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pfelk-installer.sh
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pfelk-installer.sh
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#!/bin/bash
#
# Version | 20.02
# Email | support@pfelk.com
# Website | https://pfelk.3ilson.dev | https://pfelk.com
#
###################################################################################################################################################################################################
# #
# pfELK Easy Installation Script #
# #
###################################################################################################################################################################################################
#
# OS | List of Supported Distributions/OS
# | Ubuntu Xenial Xerus ( 16.04 )
# | Ubuntu Bionic Beaver ( 18.04 )
# | Ubuntu Cosmic Cuttlefish ( 18.10 )
# | Ubuntu Disco Dingo ( 19.04 )
# | Ubuntu Eoan Ermine ( 19.10 )
# | Ubuntu Focal Fossa ( 20.04 )
# | Debian Stretch ( 9 )
# | Debian Buster ( 10 )
# | Debian Bullseye ( 11 )
# | Debian Bookworm ( 12 )
#
###################################################################################################################################################################################################
# #
# Dynamic Dependency Version #
# #
###################################################################################################################################################################################################
#
# MaxMind | https://github.com/maxmind/geoipupdate/releases
# GeoIP | 4.6.0
# Java | openjdk-11-jre-headless
# Jave_Version | 11
# Elasticstack | 7.10.2
#
###################################################################################################################################################################################################
# #
# Color Codes #
# #
###################################################################################################################################################################################################
RESET='\033[0m'
GRAY='\033[0;37m'
WHITE='\033[1;37m'
GRAY_R='\033[39m'
WHITE_R='\033[39m'
RED='\033[1;31m' # Light Red.
GREEN='\033[1;32m' # Light Green.
###################################################################################################################################################################################################
# #
# Start Checks #
# #
###################################################################################################################################################################################################
header() {
clear
clear
echo -e "${GREEN}#####################################################################################################${RESET}\\n"
}
header_red() {
clear
clear
echo -e "${RED}#####################################################################################################${RESET}\\n"
}
# Check for root (sudo)
if [[ "$EUID" -ne 0 ]]; then
header_red
echo -e "${WHITE_R}#${RESET} The script need to be run as root...\\n\\n"
echo -e "${WHITE_R}#${RESET} For Ubuntu based systems run the command below to login as root"
echo -e "${GREEN}#${RESET} sudo -i\\n"
echo -e "${WHITE_R}#${RESET} For Debian based systems run the command below to login as root"
echo -e "${GREEN}#${RESET} su\\n\\n"
exit 1
fi
if ! env | grep "LC_ALL\\|LANG" | grep -iq "en_US\\|C.UTF-8"; then
header
echo -e "${WHITE_R}#${RESET} Your language is not set to English ( en_US ), the script will temporarily set the language to English."
echo -e "${WHITE_R}#${RESET} Information: This is done to prevent issues in the script..."
export LC_ALL=C &> /dev/null
set_lc_all=true
sleep 3
fi
abort() {
if [[ "${set_lc_all}" == 'true' ]]; then unset LC_ALL; fi
echo -e "\\n\\n${RED}#########################################################################${RESET}\\n"
echo -e "${WHITE_R}#${RESET} An error occurred. Aborting script..."
echo -e "${WHITE_R}#${RESET} Please open an issue (pfelk.3ilson.dev) on github!\\n"
echo -e "${WHITE_R}#${RESET} Creating support file..."
mkdir -p "/tmp/pfELK/support" &> /dev/null
if dpkg -l lsb-release 2> /dev/null | grep -iq "^ii\\|^hi"; then lsb_release -a &> "/tmp/pfELK/support/lsb-release"; fi
df -h &> "/tmp/pfELK/support/df"
free -hm &> "/tmp/pfELK/support/memory"
uname -a &> "/tmp/pfELK/support/uname"
dpkg -l | grep "openjdk" &> "/tmp/pfELK/support/packages"
dpkg -l &> "/tmp/pfELK/support/dpkg-list"
echo "${architecture}" &> "/tmp/pfELK/support/architecture"
sed -n '3p' "$0" &>> "/tmp/pfELK/support/script"
grep "# Version" "$0" | head -n1 &>> "/tmp/pfELK/support/script"
if dpkg -l tar 2> /dev/null | grep -iq "^ii\\|^hi"; then
tar -cvf /tmp/pfELK_support.tar.gz "/tmp/pfELK" "${pfELK_dir}" &> /dev/null && support_file="/tmp/pfELK_support.tar.gz"
elif dpkg -l zip 2> /dev/null | grep -iq "^ii\\|^hi"; then
zip -r /tmp/pfELK_support.zip "/tmp/pfELK/*" "${pfELK_dir}/*" &> /dev/null && support_file="/tmp/pfELK_support.zip"
fi
if [[ -n "${support_file}" ]]; then echo -e "${WHITE_R}#${RESET} Support file has been created here: ${support_file} \\n"; fi
if [[ -f /tmp/pfELK/services/stopped_list && -s /tmp/pfELK/services/stopped_list ]]; then
while read -r service; do
echo -e "\\n${WHITE_R}#${RESET} Starting ${service}..."
systemctl start "${service}" && echo -e "${GREEN}#${RESET} Successfully started ${service}!" || echo -e "${RED}#${RESET} Failed to start ${service}!"
done < /tmp/pfELK/services/stopped_list
fi
exit 1
}
if uname -a | tr '[:upper:]' '[:lower:]'; then
pfELK_dir='/tmp/pfELK'
fi
script_logo() {
cat << "EOF"
________________.____ ____ __. .___ __ .__ .__
_______/ ____\_ _____/| | | |/ _| | | ____ _______/ |______ | | | | ___________
\____ \ __\ | __)_ | | | < | |/ \ / ___/\ __\__ \ | | | | _/ __ \_ __ \
| |_> > | | \| |___| | \ | | | \\___ \ | | / __ \| |_| |_\ ___/| | \/
| __/|__| /_______ /|_______ \____|__ \ |___|___| /____ > |__| (____ /____/____/\___ >__|
|__| \/ \/ \/ \/ \/ \/ \/
pfELK Installation Script - version 6.7
EOF
}
start_script() {
mkdir -p /tmp/pfELK/logs 2> /dev/null
mkdir -p /tmp/pfELK/upgrade/ 2> /dev/null
mkdir -p /tmp/pfELK/dpkg/ 2> /dev/null
mkdir -p /tmp/pfELK/geoip/ 2> /dev/null
header
script_logo
echo -e "\\n${WHITE_R}#${RESET} Starting the pfELK Install Script..."
echo -e "${WHITE_R}#${RESET} Thank you for using pfELK Install Script :-)\\n\\n"
sleep 4
}
start_script
help_script() {
if [[ "${script_option_help}" == 'true' ]]; then header; script_logo; else echo -e "${WHITE_R}----${RESET}\\n"; fi
echo -e " Easy pfELK Install Script Options\\n"
echo -e "
Script usage:
bash $0 [options]
Script options:
--clean Purges pfELK (Elasticstack+pfELK)
--help Displays this information :)
--noelastic Do not install Elasticsearch
--nogeoip Do not install MaxMind GeoIP
--noip Do not configure firewall IP Address.
Must Configure Manually via:
/etc/logstash/conf.d/01-inputs.conf
--nojava Do not install openjdk-14-jre
--nosense Do not configure pfSense/OPNsense.
Must Configure Manually via:
/etc/logstash/conf.d/01-inputs.conf\\n\\n"
exit 0
}
rm --force /tmp/pfELK/script_options &> /dev/null
script_option_list=(--clean --help --nogeoip --noip --nojava --nosense)
while [ -n "$1" ]; do
case "$1" in
--clean)
script_options_clean=true
# Note: Will configure to purge Elasticsearch, logstash, kibana and delete (rm -rf /data/pfELK)
;;
--help)
script_option_help=true
help_script;;
--noelasticsearch)
script_option_elasticsearch=true
echo "--noelasticsearch" &>> /tmp/pfELK/script_options;;
--nogeoip)
script_option_geoip=true
echo "--nogeoip" &>> /tmp/pfELK/script_options;;
--noip)
echo "--noip" &>> /tmp/pfELK/script_options;;
--nojava)
script_option_nojava=true
echo "--nojava" &>> /tmp/pfELK/script_options;;
--nosense)
script_option_nosense=true
echo "--nosense" &>> /tmp/pfELK/script_options;;
esac
shift
done
# shellcheck disable=SC2016
grep -io '${pfELK_dir}/logs/.*log' "$0" | grep -v 'awk' | awk '!a[$0]++' &> /tmp/pfELK/log_files
while read -r log_file; do
if [[ -f "${log_file}" ]]; then
log_file_size=$(stat -c%s "${log_file}")
if [[ "${log_file_size}" -gt "10000000" ]]; then
tail -n1000 "${log_file}" &> "${log_file}.tmp"
cp "${log_file}.tmp" "${log_file}"; rm --force "${log_file}.tmp" &> /dev/null
fi
fi
done < /tmp/pfELK/log_files
rm --force /tmp/pfELK/log_files
run_apt_get_update() {
if ! [[ -d /tmp/pfELK/keys ]]; then mkdir -p /tmp/pfELK/keys; fi
if ! [[ -f /tmp/pfELK/keys/missing_keys && -s /tmp/pfELK/keys/missing_keys ]]; then
if [[ "${hide_apt_update}" == 'true' ]]; then
echo -e "${WHITE_R}#${RESET} Running apt-get update..."
if apt-get update &> /tmp/pfELK/keys/apt_update; then echo -e "${GREEN}#${RESET} Successfully ran apt-get update! \\n"; else echo -e "${YELLOW}#${RESET} Something went wrong during running apt-get update! \\n"; fi
unset hide_apt_update
else
apt-get update 2>&1 | tee /tmp/pfELK/keys/apt_update
fi
grep -o 'NO_PUBKEY.*' /tmp/pfELK/keys/apt_update | sed 's/NO_PUBKEY //g' | tr ' ' '\n' | awk '!a[$0]++' &> /tmp/pfELK/keys/missing_keys
fi
if [[ -f /tmp/pfELK/keys/missing_keys && -s /tmp/pfELK/keys/missing_keys ]]; then
#header
#echo -e "${WHITE_R}#${RESET} Some keys are missing... The script will try to add the missing keys."
#echo -e "\\n${WHITE_R}----${RESET}\\n"
while read -r key; do
echo -e "${WHITE_R}#${RESET} Key ${key} is missing... adding!"
http_proxy=$(env | grep -i "http.*Proxy" | cut -d'=' -f2 | sed 's/[";]//g')
if [[ -n "$http_proxy" ]]; then
apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --keyserver-options http-proxy="${http_proxy}" --recv-keys "$key" &> /dev/null && echo -e "${GREEN}#${RESET} Successfully added key ${key}!\\n" || fail_key=true
elif [[ -f /etc/apt/apt.conf ]]; then
apt_http_proxy=$(grep "http.*Proxy" /etc/apt/apt.conf | awk '{print $2}' | sed 's/[";]//g')
if [[ -n "${apt_http_proxy}" ]]; then
apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --keyserver-options http-proxy="${apt_http_proxy}" --recv-keys "$key" &> /dev/null && echo -e "${GREEN}#${RESET} Successfully added key ${key}!\\n" || fail_key=true
fi
else
apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv "$key" &> /dev/null && echo -e "${GREEN}#${RESET} Successfully added key ${key}!\\n" || fail_key=true
fi
if [[ "${fail_key}" == 'true' ]]; then
echo -e "${RED}#${RESET} Failed to add key ${key}!"
echo -e "${WHITE_R}#${RESET} Trying different method to get key: ${key}"
gpg -vvv --debug-all --keyserver keyserver.ubuntu.com --recv-keys "${key}" &> /tmp/pfELK/keys/failed_key
debug_key=$(grep "KS_GET" /tmp/pfELK/keys/failed_key | grep -io "0x.*")
wget -q "https://keyserver.ubuntu.com/pks/lookup?op=get&search=${debug_key}" -O- | gpg --dearmor > "/tmp/pfELK/keys/pfELK-${key}.gpg"
mv "/tmp/pfELK/keys/pfELK-${key}.gpg" /etc/apt/trusted.gpg.d/ && echo -e "${GREEN}#${RESET} Successfully added key ${key}!\\n"
fi
sleep 1
done < /tmp/pfELK/keys/missing_keys
rm --force /tmp/pfELK/keys/missing_keys
rm --force /tmp/pfELK/keys/apt_update
#header
#echo -e "${WHITE_R}#${RESET} Running apt-get update again.\\n\\n"
#sleep 2
apt-get update &> /tmp/pfELK/keys/apt_update
if grep -qo 'NO_PUBKEY.*' /tmp/pfELK/keys/apt_update; then
if [[ "${hide_apt_update}" == 'true' ]]; then hide_apt_update=true; fi
run_apt_get_update
fi
fi
}
cancel_script() {
if [[ "${set_lc_all}" == 'true' ]]; then unset LC_ALL &> /dev/null; fi
header
echo -e "${WHITE_R}#${RESET} Cancelling the script!\\n\\n"
exit 0
}
http_proxy_found() {
header
echo -e "${GREEN}#${RESET} HTTP Proxy found. | ${WHITE_R}${http_proxy}${RESET}\\n\\n"
}
remove_yourself() {
if [[ "${set_lc_all}" == 'true' ]]; then unset LC_ALL &> /dev/null; fi
if [[ "${delete_script}" == 'true' || "${script_option_skip}" == 'true' ]]; then
if [[ -e "$0" ]]; then
rm --force "$0" 2> /dev/null
fi
fi
}
# Get distro
get_distro() {
if [[ -z "$(command -v lsb_release)" ]]; then
if [[ -f "/etc/os-release" ]]; then
if grep -iq VERSION_CODENAME /etc/os-release; then
os_codename=$(grep VERSION_CODENAME /etc/os-release | sed 's/VERSION_CODENAME//g' | tr -d '="' | tr '[:upper:]' '[:lower:]')
elif ! grep -iq VERSION_CODENAME /etc/os-release; then
os_codename=$(grep PRETTY_NAME /etc/os-release | sed 's/PRETTY_NAME=//g' | tr -d '="' | awk '{print $4}' | sed 's/\((\|)\)//g' | sed 's/\/sid//g' | tr '[:upper:]' '[:lower:]')
if [[ -z "${os_codename}" ]]; then
os_codename=$(grep PRETTY_NAME /etc/os-release | sed 's/PRETTY_NAME=//g' | tr -d '="' | awk '{print $3}' | sed 's/\((\|)\)//g' | sed 's/\/sid//g' | tr '[:upper:]' '[:lower:]')
fi
fi
fi
else
os_codename=$(lsb_release -cs | tr '[:upper:]' '[:lower:]')
if [[ "${os_codename}" == 'n/a' ]]; then
os_codename=$(lsb_release -is | tr '[:upper:]' '[:lower:]')
if [[ "${os_codename}" == 'parrot' ]]; then
os_codename='buster'
fi
fi
if [[ "${os_codename}" =~ (hera|juno) ]]; then os_codename=bionic; fi
if [[ "${os_codename}" == 'loki' ]]; then os_codename=xenial; fi
if [[ "${os_codename}" == 'debbie' ]]; then os_codename=buster; fi
fi
if [[ "${os_codename}" =~ (precise|maya) ]]; then
repo_codename=precise
elif [[ "${os_codename}" =~ (trusty|qiana|rebecca|rafaela|rosa) ]]; then
repo_codename=trusty
elif [[ "${os_codename}" =~ (xenial|sarah|serena|sonya|sylvia) ]]; then
repo_codename=xenial
elif [[ "${os_codename}" =~ (bionic|tara|tessa|tina|tricia) ]]; then
repo_codename=bionic
elif [[ "${os_codename}" =~ (stretch|continuum) ]]; then
repo_codename=stretch
elif [[ "${os_codename}" =~ (buster|debbie) ]]; then
repo_codename=buster
else
repo_codename="${os_codename}"
fi
}
get_distro
if ! [[ "${os_codename}" =~ (xenial|bionic|cosmic|disco|eoan|focal|stretch|buster|bullseye|bookworm) ]]; then
clear
header_red
echo -e "${WHITE_R}#${RESET} This script is not made for your OS."
echo -e "${WHITE_R}#${RESET} Feel free to contact pfELK (pfelk.3ilson.dev) on github, if you need help with installing pfELK or alternate installation options."
echo -e ""
echo -e "OS_CODENAME = ${os_codename}"
echo -e ""
echo -e ""
exit 1
fi
if ! grep -iq '^127.0.0.1.*localhost' /etc/hosts; then
clear
header_red
echo -e "${WHITE_R}#${RESET} '127.0.0.1 localhost' does not exist in your /etc/hosts file."
echo -e "${WHITE_R}#${RESET} You may see experience issues if it does not exist..\\n\\n"
read -rp $'\033[39m#\033[0m Do you want to add "127.0.0.1 localhost" to your /etc/hosts file? (Y/n) ' yes_no
case "$yes_no" in
[Yy]*|"")
echo -e "${WHITE_R}----${RESET}\\n"
echo -e "${WHITE_R}#${RESET} Adding '127.0.0.1 localhost' to /etc/hosts"
sed -i '1i # ------------------------------' /etc/hosts
sed -i '1i 127.0.0.1 localhost' /etc/hosts
sed -i '1i # Added by pfELK instalaltion script' /etc/hosts && echo -e "${WHITE_R}#${RESET} Done..\\n\\n"
sleep 3;;
[Nn]*) ;;
esac
fi
if [[ $(echo "${PATH}" | grep -c "/sbin") -eq 0 ]]; then
PATH="$PATH:/sbin:/bin:/usr/bin:/usr/sbin:/usr/local/sbin:/usr/local/bin"
fi
if ! [[ -d /etc/apt/sources.list.d ]]; then mkdir -p /etc/apt/sources.list.d; fi
if ! [[ -d /tmp/pfELK/keys ]]; then mkdir -p /tmp/pfELK/keys; fi
# Check if --show-progress is supported in wget version
if wget --help | grep -q '\--show-progress'; then echo "--show-progress" &>> /tmp/pfELK/wget_option; fi
if [[ -f /tmp/pfELK/wget_option && -s /tmp/pfELK/wget_option ]]; then IFS=" " read -r -a wget_progress <<< "$(tr '\r\n' ' ' < /tmp/pfELK/wget_option)"; fi
# Check if MaxMind GeoIP is already installed
if dpkg -l | grep "geoipupdate" | grep -q "^ii\\|^hi"; then
header
echo -e "${WHITE_R}#${RESET} MaxMind GeoIP is already installed on your system!${RESET}\\n\\n"
read -rp $'\033[39m#\033[0m Would you like to remove MaxMind GeoIP? (Y/n) ' yes_no
case "$yes_no" in
[Yy]*|"")
rm --force "$0" 2> /dev/null
apt purge geoipupdate;;
[Nn]*);;
esac
fi
# Check if Elasticsearch is already installed
if dpkg -l | grep "elasticsearch" | grep -q "^ii\\|^hi"; then
header
echo -e "${WHITE_R}#${RESET} Elasticsearch is already installed on your system!${RESET}\\n\\n"
read -rp $'\033[39m#\033[0m Would you like to remove Elasticsearch? (Y/n) ' yes_no
case "$yes_no" in
[Yy]*|"")
rm --force "$0" 2> /dev/null
apt purge elasticsearch;;
[Nn]*);;
esac
fi
# Check if Logstash is already installed
if dpkg -l | grep "logstash" | grep -q "^ii\\|^hi"; then
header
echo -e "${WHITE_R}#${RESET} Logstash is already installed on your system!${RESET}\\n\\n"
read -rp $'\033[39m#\033[0m Would you like to remove Logstash? (Y/n) ' yes_no
case "$yes_no" in
[Yy]*|"")
rm --force "$0" 2> /dev/null
apt purge logstash;;
[Nn]*);;
esac
fi
# Check if Kibana is already installed
if dpkg -l | grep "kibana" | grep -q "^ii\\|^hi"; then
header
echo -e "${WHITE_R}#${RESET} Kibana is already installed on your system!${RESET}\\n\\n"
read -rp $'\033[39m#\033[0m Would you like to remove Kibana? (Y/n) ' yes_no
case "$yes_no" in
[Yy]*|"")
rm --force "$0" 2> /dev/null
apt purge kibana;;
[Nn]*);;
esac
fi
dpkg_locked_message() {
header_red
echo -e "${WHITE_R}#${RESET} dpkg is locked... Waiting for other software managers to finish!"
echo -e "${WHITE_R}#${RESET} If this is everlasting, please open an issue on pfELK (pfelk.3ilson.dev) on github!\\n\\n"
sleep 5
if [[ -z "$dpkg_wait" ]]; then
echo "pfelk_lock_active" >> /tmp/pfelk_lock
fi
}
dpkg_locked_60_message() {
header
echo -e "${WHITE_R}#${RESET} dpkg is already locked for 60 seconds..."
echo -e "${WHITE_R}#${RESET} Would you like to force remove the lock?\\n\\n"
}
# Check if dpkg is locked
if dpkg -l psmisc 2> /dev/null | awk '{print $1}' | grep -iq "^ii\\|^hi"; then
while fuser /var/lib/dpkg/lock /var/lib/apt/lists/lock /var/cache/apt/archives/lock >/dev/null 2>&1; do
dpkg_locked_message
if [[ $(grep -c "pfelk_lock_active" /tmp/pfelk_lock) -ge 12 ]]; then
rm --force /tmp/pfelk_lock 2> /dev/null
dpkg_locked_60_message
if [[ "${script_option_skip}" != 'true' ]]; then read -rp $'\033[39m#\033[0m Do you want to proceed with removing the lock? (Y/n) ' yes_no; fi
case "$yes_no" in
[Yy]*|"")
killall apt apt-get 2> /dev/null
rm --force /var/lib/apt/lists/lock 2> /dev/null
rm --force /var/cache/apt/archives/lock 2> /dev/null
rm --force /var/lib/dpkg/lock* 2> /dev/null
dpkg --configure -a 2> /dev/null
DEBIAN_FRONTEND='noninteractive' apt-get -y -o Dpkg::Options::='--force-confdef' -o Dpkg::Options::='--force-confold' install --fix-broken 2> /dev/null;;
[Nn]*) dpkg_wait=true;;
esac
fi
done;
else
dpkg -i /dev/null 2> /tmp/pfelk_dpkg_lock; if grep -q "locked.* another" /tmp/pfelk_dpkg_lock; then dpkg_locked=true; rm --force /tmp/pfelk_dpkg_lock 2> /dev/null; fi
while [[ "${dpkg_locked}" == 'true' ]]; do
unset dpkg_locked
dpkg_locked_message
if [[ $(grep -c "pfelk_lock_active" /tmp/pfelk_lock) -ge 12 ]]; then
rm --force /tmp/pfelk_lock 2> /dev/null
dpkg_locked_60_message
if [[ "${script_option_skip}" != 'true' ]]; then read -rp $'\033[39m#\033[0m Do you want to proceed with force removing the lock? (Y/n) ' yes_no; fi
case "$yes_no" in
[Yy]*|"")
pgrep "apt" >> /tmp/pfELK/apt/apt
while read -r pfelk_apt; do
kill -9 "$pfelk_apt" 2> /dev/null
done < /tmp/pfELK/apt/apt
rm --force /tmp/pfelk_apt 2> /dev/null
rm --force /var/lib/apt/lists/lock 2> /dev/null
rm --force /var/cache/apt/archives/lock 2> /dev/null
rm --force /var/lib/dpkg/lock* 2> /dev/null
dpkg --configure -a 2> /dev/null
DEBIAN_FRONTEND='noninteractive' apt-get -y -o Dpkg::Options::='--force-confdef' -o Dpkg::Options::='--force-confold' install --fix-broken 2> /dev/null;;
[Nn]*) dpkg_wait=true;;
esac
fi
dpkg -i /dev/null 2> /tmp/pfelk_dpkg_lock; if grep -q "locked.* another" /tmp/pfelk_dpkg_lock; then dpkg_locked=true; rm --force /tmp/pfelk_dpkg_lock 2> /dev/null; fi
done;
rm --force /tmp/pfelk_dpkg_lock 2> /dev/null
fi
script_version_check() {
if dpkg -l curl 2> /dev/null | awk '{print $1}' | grep -iq "^ii\\|^hi"; then
version=$(grep -i "# Version" "$0" | awk '{print $4}' | cut -d'-' -f1)
script_online_version_dots=$(curl "https://raw.githubusercontent.com/pfelk/pfelk/master/pfelk-installer.sh" -s | grep "# Version" | awk '{print $4}' | head -1)
script_local_version_dots=$(grep "# Version" "$0" | awk '{print $4}' | head -1)
script_online_version="${script_online_version_dots//./}"
script_local_version="${script_local_version_dots//./}"
# Script version check.
if [[ "${script_online_version::3}" -gt "${script_local_version::3}" ]]; then
header_red
echo -e "${WHITE_R}#${RESET} You're currently running script version ${script_local_version_dots} while ${script_online_version_dots} is the latest!"
echo -e "${WHITE_R}#${RESET} Downloading and executing version ${script_online_version_dots} of the Easy pfELK Installation Script..\\n\\n"
sleep 3
rm --force "$0" 2> /dev/null
rm --force "pfelk-install-${version}.sh" 2> /dev/null
wget -q "${wget_progress[@]}" "https://raw.githubusercontent.com/pfelk/pfelk/master/pfelk-installer.sh" && bash "pfelk-installer.sh" "${script_options[@]}"; exit 0
fi
else
curl_missing=true
fi
}
script_version_check
###################################################################################################################################################################################################
# #
# Variables #
# #
###################################################################################################################################################################################################
# dpkg -l | grep "elasticsearch\\|logstash\\|kibana" | awk '{print $3}' | sed 's/.*://' | sed 's/-.*//g' &> /tmp/pfELK/elk_version
# elk_version_installed=$(sort -V /tmp/pfELK/elk_version | tail -n 1)
# rm --force /tmp/pfELK/elk_version &> /dev/null
# first_digits_elk_version_installed=$(echo "${elk_version_installed}" | cut -d'.' -f1)
# second_digits_elk_version_installed=$(echo "${elk_version_installed}" | cut -d'.' -f2)
# third_digits_elk_version_installed=$(echo "${elk_version_installed}" | cut -d'.' -f3)
#
system_memory=$(awk '/MemTotal/ {printf( "%.0f\n", $2 / 1024 / 1024)}' /proc/meminfo)
system_swap=$(awk '/SwapTotal/ {printf( "%.0f\n", $2 / 1024 / 1024)}' /proc/meminfo)
system_swap_var=0
system_mem_var=4
#
maxmind_username=$(echo "${maxmind_username}")
maxmind_password=$(echo "${maxmind_password}")
maxmind_install=''
ILM_option=''
system_free_disk_space=$(df -kh / | awk '{print $4}' | tail -n1)
system_free_disk_space_tmp=$(df -kh /tmp | awk '{print $4}' | tail -n1)
#
#SERVER_IP=$(ifconfig | grep -Eo 'inet (addr:)?([0-9]*\.){3}[0-9]*' | grep -Eo '([0-9]*\.){3}[0-9]*' | grep -v '127.0.0.1' | head -1)
#SERVER_IP=$(/sbin/ifconfig | grep 'inet ' | grep -v '127.0.0.1' | head -n1 | awk '{print $2}' | head -1 | sed 's/.*://')
SERVER_IP=$(ip addr | grep -A8 -m1 MULTICAST | grep -m1 inet | cut -d' ' -f6 | cut -d'/' -f1)
if [[ -z "${SERVER_IP}" ]]; then SERVER_IP=$(hostname -I | head -n 1 | awk '{ print $NF; }'); fi
PUBLIC_SERVER_IP=$(curl ifconfi.me/ -s)
architecture=$(dpkg --print-architecture)
get_distro
#
#JAVA11=$(dpkg -l | grep -c "openjdk-11-jre-headless\\|oracle-java11-installer")
unsupported_java_installed=''
openjdk_11_installed=''
port_5601_in_use=''
port_5601_pid=''
port_5601_service=''
port_5140_in_use=''
port_5140_pid=''
port_5140_service=''
port_5141_in_use=''
port_5141_pid=''
port_5141_service=''
port_5190_in_use=''
port_5190_pid=''
port_5190_service=''
port_5040_in_use=''
port_5040_pid=''
port_5040_service=''
elk_version=7.10.2
maxmind_version=4.6.0
###################################################################################################################################################################################################
# #
# Required Packages #
# #
###################################################################################################################################################################################################
# Install needed packages if not installed
install_required_packages() {
sleep 2
installing_required_package=yes
header
echo -e "${WHITE_R}#${RESET} Installing required packages for the script.\\n"
hide_apt_update=true
run_apt_get_update
sleep 2
}
apt_get_install_package() {
if [[ "${old_openjdk_version}" == 'true' ]]; then
apt_get_install_package_variable="update"
apt_get_install_package_variable_2="updated"
else
apt_get_install_package_variable="install"
apt_get_install_package_variable_2="installed"
fi
hide_apt_update=true
run_apt_get_update
echo -e "\\n------- ${required_package} installation ------- $(date +%F-%R) -------\\n" &>> "${pfELK_dir}/logs/apt.log"
echo -e "${WHITE_R}#${RESET} Trying to ${apt_get_install_package_variable} ${required_package}..."
if DEBIAN_FRONTEND='noninteractive' apt-get -y -o Dpkg::Options::='--force-confdef' -o Dpkg::Options::='--force-confold' install "${required_package}" &>> "${pfELK_dir}/logs/apt.log"; then echo -e "${GREEN}#${RESET} Successfully ${apt_get_install_package_variable_2} ${required_package}! \\n" && sleep 2; else echo -e "${RED}#${RESET} Failed to ${apt_get_install_package_variable} ${required_package}! \\n"; abort; fi
unset required_package
}
if ! dpkg -l sudo 2> /dev/null | awk '{print $1}' | grep -iq "^ii\\|^hi"; then
if [[ "${installing_required_package}" != 'yes' ]]; then install_required_packages; fi
echo -e "${WHITE_R}#${RESET} Installing sudo..."
if ! DEBIAN_FRONTEND='noninteractive' apt-get -y -o Dpkg::Options::='--force-confdef' -o Dpkg::Options::='--force-confold' install sudo &>> "${pfELK_dir}/logs/required.log"; then
echo -e "${RED}#${RESET} Failed to install sudo in the first run...\\n"
if [[ "${repo_codename}" =~ (precise|trusty|xenial) ]]; then
if [[ $(find /etc/apt/ -name "*.list" -type f -print0 | xargs -0 cat | grep -c "^deb http[s]*://[A-Za-z0-9]*.archive.ubuntu.com/ubuntu/ ${repo_codename}-security main") -eq 0 ]]; then
echo -e "deb http://us.archive.ubuntu.com/ubuntu/ ${repo_codename}-security main" >>/etc/apt/sources.list.d/pfelk-install-script.list || abort
fi
elif [[ "${repo_codename}" =~ (bionic|cosmic|disco|eoan|focal) ]]; then
if [[ $(find /etc/apt/ -name "*.list" -type f -print0 | xargs -0 cat | grep -c "^deb http[s]*://[A-Za-z0-9]*.archive.ubuntu.com/ubuntu ${repo_codename} main") -eq 0 ]]; then
echo -e "deb http://us.archive.ubuntu.com/ubuntu ${repo_codename} main" >>/etc/apt/sources.list.d/pfelk-install-script.list || abort
fi
elif [[ "${repo_codename}" =~ (stretch|buster|bullseye|bookworm) ]]; then
if [[ $(find /etc/apt/ -name "*.list" -type f -print0 | xargs -0 cat | grep -c "^deb http[s]*://ftp.[A-Za-z0-9]*.debian.org/debian ${repo_codename} main") -eq 0 ]]; then
echo -e "deb http://ftp.us.debian.org/debian ${repo_codename} main" >>/etc/apt/sources.list.d/pfelk-install-script.list || abort
fi
fi
required_package="sudo"
apt_get_install_package
else
echo -e "${GREEN}#${RESET} Successfully installed sudo! \\n" && sleep 2
fi
fi
# ILM Preference
header
echo -e "${WHITE_R}#${RESET} Do you want to enable ILM?${RESET}";
echo -e "${WHITE_R}#${RESET} ILM is disabled by default but may also be enabled/configured later.${RESET}";
echo -e "\\n";
read -rp $'\033[39m#\033[0m Would you like to enable ILM? (y/N) ' yes_no
case "$yes_no" in
[Yy]*)
echo -e "${RED}#${RESET} ILM will be configured!\\n"
ILM_option=true
sleep 3
echo -e "\\n"
;;
[Nn]*|"")
echo -e "${RED}#${RESET} ILM will not be configured!\\n"
ILM_option=false
sleep 3
echo -e "\\n"
;;
*) echo "invalid option $REPLY";;
esac
# MaxMind GeoIP install
if dpkg -l | grep "geoipupdate" | grep -q "^ii\\|^hi"; then
header
echo -e "${WHITE_R}#${RESET} MaxMind GeoIP is already installed!${RESET}";
echo -e "${WHITE_R}#${RESET} Ensure MaxMind GeoIP is properly configured!${RESET}";
echo -e "${RED}# WARNING${RESET} Running Logstash without properly configured GeoIP settings will result in fatal errors...\\n\\n"
sleep 5;
else
echo -e "${WHITE_R}#${RESET} Select GeoIP Database Type.${RESET}";
GeoIPType='Please specify GeoIP database type: '
options=("MaxMind" "Elastic")
select opt in "${options[@]}"
do
case $opt in
"MaxMind")
echo -e "${RED}#${RESET} MaxMind GeoIP Selected!\\n"
#sleep 3
read -rp $'\033[39m#\033[0m Do you have your MaxMind Account and Password credentials? (y/N) ' yes_no
case "$yes_no" in
[Yy]*)
if [[ "${script_option_geoip}" != 'true' ]]; then
maxmind_install=true
geoip_temp="$(mktemp --tmpdir=/tmp geoipupdate_${maxmind_version}_linux_amd64_XXX.deb)"
echo -e "${WHITE_R}#${RESET} Downloading MaxMind v${maxmind_version} GeoIP..."
if wget "${wget_progress[@]}" -qO "$geoip_temp" "https://github.com/maxmind/geoipupdate/releases/download/v${maxmind_version}/geoipupdate_${maxmind_version}_linux_amd64.deb"; then echo -e "${GREEN}#${RESET} Successfully downloaded MaxMind GeoIP! \\n"; else echo -e "${RED}#${RESET} Failed to download MaxMind GeoIP...\\n"; abort; fi;
else
echo -e "${GREEN}#${RESET} ${WHITE_R} MaxMind GeoIP v${maxmind_version} ${RESET} has already been downloaded!"
fi
echo -e "${WHITE_R}#${RESET} Installing MaxMind GeoIP..."
echo "geoip geoip/has_backup boolean true" 2> /dev/null | debconf-set-selections
if DEBIAN_FRONTEND=noninteractive dpkg -i "$geoip_temp" &>> "${pfELK_dir}/logs/geoip_install.log"; then
echo -e "${GREEN}#${RESET} Successfully installed MaxMind v${maxmind_version}! \\n"
else
echo -e "${RED}#${RESET} Failed to install MaxMind v${maxmind_version}...\\n"
fi
rm --force "$geoip_temp" 2> /dev/null
# GeoIP Cronjob
echo 00 17 * * 0 geoipupdate -d /usr/share/GeoIP > /etc/cron.weekly/geoipupdate
sed -i 's/EditionIDs.*/EditionIDs GeoLite2-Country GeoLite2-City GeoLite2-ASN/g' /etc/GeoIP.conf
maxmind_username=$(echo "${maxmind_username}")
maxmind_password=$(echo "${maxmind_password}")
read -p "Enter your MaxMind Account ID: " maxmind_username
read -p "Enter your MaxMind License Key: " maxmind_password
sed -i "s/AccountID.*/AccountID ${maxmind_username}/g" /etc/GeoIP.conf
sed -i "s/LicenseKey.*/LicenseKey ${maxmind_password}/g" /etc/GeoIP.conf
echo -e "\\n";
geoipupdate -d /usr/share/GeoIP
sleep 2
echo -e "\\n";;
[Nn]*|"")
echo -e "${RED}#${RESET} MaxMind v${maxmind_version} not installed!"
echo -e "${RED}#WARNING${RESET} Running Logstash without MaxMind will result in fatal errors...\\n"
maxmind_install=false
sleep 2;;
esac
echo -e "\\n"
break
;;
"Elastic")
echo -e "${RED}#${RESET} Elastic's Built-In GeoIP Selected!\\n"
sleep 3
echo -e "\\n"
break
;;
*) echo "invalid option $REPLY";;
esac
done
fi
# lsb-release install
if ! dpkg -l lsb-release 2> /dev/null | awk '{print $1}' | grep -iq "^ii\\|^hi"; then
if [[ "${installing_required_package}" != 'yes' ]]; then install_required_packages; fi
echo -e "${WHITE_R}#${RESET} Installing lsb-release..."
if ! DEBIAN_FRONTEND='noninteractive' apt-get -y -o Dpkg::Options::='--force-confdef' -o Dpkg::Options::='--force-confold' install lsb-release &>> "${pfELK_dir}/logs/required.log"; then
echo -e "${RED}#${RESET} Failed to install lsb-release in the first run...\\n"
if [[ "${repo_codename}" =~ (precise|trusty|xenial|bionic|cosmic|disco|eoan|focal) ]]; then
if [[ $(find /etc/apt/ -name "*.list" -type f -print0 | xargs -0 cat | grep -c "^deb http[s]*://[A-Za-z0-9]*.archive.ubuntu.com/ubuntu/ ${repo_codename} main universe") -eq 0 ]]; then
echo -e "deb http://us.archive.ubuntu.com/ubuntu/ ${repo_codename} main universe" >>/etc/apt/sources.list.d/pfelk-install-script.list || abort
fi
elif [[ "${repo_codename}" =~ (jessie|stretch|buster|bullseye|bookworm) ]]; then
if [[ $(find /etc/apt/ -name "*.list" -type f -print0 | xargs -0 cat | grep -c "^deb http[s]*://ftp.[A-Za-z0-9]*.debian.org/debian ${repo_codename} main") -eq 0 ]]; then
echo -e "deb http://ftp.us.debian.org/debian ${repo_codename} main" >>/etc/apt/sources.list.d/pfelk-install-script.list || abort
fi
fi
required_package="lsb-release"
apt_get_install_package
else
echo -e "${GREEN}#${RESET} Successfully installed lsb-release! \\n" && sleep 2
fi
fi
# apt-transport install
if ! dpkg -l apt-transport-https 2> /dev/null | awk '{print $1}' | grep -iq "^ii\\|^hi"; then
if [[ "${installing_required_package}" != 'yes' ]]; then install_required_packages; fi
echo -e "${WHITE_R}#${RESET} Installing apt-transport-https..."
if ! DEBIAN_FRONTEND='noninteractive' apt-get -y -o Dpkg::Options::='--force-confdef' -o Dpkg::Options::='--force-confold' install apt-transport-https &>> "${pfELK_dir}/logs/required.log"; then
echo -e "${RED}#${RESET} Failed to install apt-transport-https in the first run...\\n"
if [[ "${repo_codename}" =~ (precise|trusty|xenial) ]]; then
if [[ $(find /etc/apt/ -name "*.list" -type f -print0 | xargs -0 cat | grep -c "^deb http[s]*://security.ubuntu.com/ubuntu ${repo_codename}-security main") -eq 0 ]]; then
echo -e "deb http://security.ubuntu.com/ubuntu ${repo_codename}-security main" >>/etc/apt/sources.list.d/pfelk-install-script.list || abort
fi
elif [[ "${repo_codename}" =~ (bionic|cosmic) ]]; then
if [[ $(find /etc/apt/ -name "*.list" -type f -print0 | xargs -0 cat | grep -c "^deb http[s]*://security.ubuntu.com/ubuntu ${repo_codename}-security main universe") -eq 0 ]]; then
echo -e "deb http://security.ubuntu.com/ubuntu ${repo_codename}-security main universe" >>/etc/apt/sources.list.d/pfelk-install-script.list || abort
fi
elif [[ "${repo_codename}" =~ (disco|eoan|focal) ]]; then
if [[ $(find /etc/apt/ -name "*.list" -type f -print0 | xargs -0 cat | grep -c "^deb http[s]*://[A-Za-z0-9]*.archive.ubuntu.com/ubuntu ${repo_codename} main universe") -eq 0 ]]; then
echo -e "deb http://us.archive.ubuntu.com/ubuntu ${repo_codename} main universe" >>/etc/apt/sources.list.d/pfelk-install-script.list || abort
fi
elif [[ "${repo_codename}" == "jessie" ]]; then
if [[ $(find /etc/apt/ -name "*.list" -type f -print0 | xargs -0 cat | grep -c "^deb http[s]*://security.debian.org/debian-security ${repo_codename}/updates main") -eq 0 ]]; then
echo -e "deb http://security.debian.org/debian-security ${repo_codename}/updates main" >>/etc/apt/sources.list.d/pfelk-install-script.list || abort
fi
elif [[ "${repo_codename}" =~ (stretch|buster|bullseye|bookworm) ]]; then
if [[ $(find /etc/apt/ -name "*.list" -type f -print0 | xargs -0 cat | grep -c "^deb http[s]*://ftp.[A-Za-z0-9]*.debian.org/debian ${repo_codename} main") -eq 0 ]]; then
echo -e "deb http://ftp.us.debian.org/debian ${repo_codename} main" >>/etc/apt/sources.list.d/pfelk-install-script.list || abort
fi
fi
required_package="apt-transport-https"
apt_get_install_package
else
echo -e "${GREEN}#${RESET} Successfully installed apt-transport-https! \\n" && sleep 2
fi
fi
# software-properties-common install
if ! dpkg -l software-properties-common 2> /dev/null | awk '{print $1}' | grep -iq "^ii\\|^hi"; then
if [[ "${installing_required_package}" != 'yes' ]]; then install_required_packages; fi
echo -e "${WHITE_R}#${RESET} Installing software-properties-common..."
if ! DEBIAN_FRONTEND='noninteractive' apt-get -y -o Dpkg::Options::='--force-confdef' -o Dpkg::Options::='--force-confold' install software-properties-common &>> "${pfELK_dir}/logs/required.log"; then
echo -e "${RED}#${RESET} Failed to install software-properties-common in the first run...\\n"
if [[ "${repo_codename}" == "precise" ]]; then
if [[ $(find /etc/apt/ -name "*.list" -type f -print0 | xargs -0 cat | grep -c "^deb http[s]*://security.ubuntu.com/ubuntu ${repo_codename}-security main") -eq 0 ]]; then
echo -e "deb http://security.ubuntu.com/ubuntu ${repo_codename}-security main" >>/etc/apt/sources.list.d/pfelk-install-script.list || abort
fi
elif [[ "${repo_codename}" =~ (trusty|xenial|bionic|cosmic|disco|eoan|focal) ]]; then
if [[ $(find /etc/apt/ -name "*.list" -type f -print0 | xargs -0 cat | grep -c "^deb http[s]*://[A-Za-z0-9]*.archive.ubuntu.com/ubuntu ${repo_codename} main") -eq 0 ]]; then
echo -e "deb http://us.archive.ubuntu.com/ubuntu ${repo_codename} main" >>/etc/apt/sources.list.d/pfelk-install-script.list || abort
fi
elif [[ "${repo_codename}" =~ (jessie|stretch|buster|bullseye|bookworm) ]]; then
if [[ $(find /etc/apt/ -name "*.list" -type f -print0 | xargs -0 cat | grep -c "^deb http[s]*://ftp.[A-Za-z0-9]*.debian.org/debian ${repo_codename} main") -eq 0 ]]; then
echo -e "deb http://ftp.us.debian.org/debian ${repo_codename} main" >>/etc/apt/sources.list.d/pfelk-install-script.list || abort
fi
fi
required_package="software-properties-common"
apt_get_install_package
else
echo -e "${GREEN}#${RESET} Successfully installed software-properties-common! \\n" && sleep 2
fi
fi
# curl install
if ! dpkg -l curl 2> /dev/null | awk '{print $1}' | grep -iq "^ii\\|^hi"; then
if [[ "${installing_required_package}" != 'yes' ]]; then install_required_packages; fi
echo -e "${WHITE_R}#${RESET} Installing curl..."
if ! DEBIAN_FRONTEND='noninteractive' apt-get -y -o Dpkg::Options::='--force-confdef' -o Dpkg::Options::='--force-confold' install curl &>> "${pfELK_dir}/logs/required.log"; then
echo -e "${RED}#${RESET} Failed to install curl in the first run...\\n"
if [[ "${repo_codename}" =~ (precise|trusty|xenial|bionic|cosmic) ]]; then
if [[ $(find /etc/apt/ -name "*.list" -type f -print0 | xargs -0 cat | grep -c "^deb http[s]*://security.ubuntu.com/ubuntu ${repo_codename}-security main") -eq 0 ]]; then
echo -e "deb http://security.ubuntu.com/ubuntu ${repo_codename}-security main" >>/etc/apt/sources.list.d/pfelk-install-script.list || abort
fi
elif [[ "${repo_codename}" =~ (disco|eoan|focal) ]]; then
if [[ $(find /etc/apt/ -name "*.list" -type f -print0 | xargs -0 cat | grep -c "^deb http[s]*://[A-Za-z0-9]*.archive.ubuntu.com/ubuntu ${repo_codename} main") -eq 0 ]]; then
echo -e "deb http://us.archive.ubuntu.com/ubuntu ${repo_codename} main" >>/etc/apt/sources.list.d/pfelk-install-script.list || abort
fi
elif [[ "${repo_codename}" == "jessie" ]]; then
if [[ $(find /etc/apt/ -name "*.list" -type f -print0 | xargs -0 cat | grep -c "^deb http[s]*://security.debian.org/debian-security ${repo_codename}/updates main") -eq 0 ]]; then
echo -e "deb http://security.debian.org/debian-security ${repo_codename}/updates main" >>/etc/apt/sources.list.d/pfelk-install-script.list || abort
fi
elif [[ "${repo_codename}" =~ (stretch|buster|bullseye|bookworm) ]]; then
if [[ $(find /etc/apt/ -name "*.list" -type f -print0 | xargs -0 cat | grep -c "^deb http[s]*://ftp.[A-Za-z0-9]*.debian.org/debian ${repo_codename} main") -eq 0 ]]; then
echo -e "deb http://ftp.us.debian.org/debian ${repo_codename} main" >>/etc/apt/sources.list.d/pfelk-install-script.list || abort
fi
fi
required_package="curl"
apt_get_install_package
else
echo -e "${GREEN}#${RESET} Successfully installed curl! \\n" && sleep 2
fi
fi
# dirmngr install
if ! dpkg -l dirmngr 2> /dev/null | awk '{print $1}' | grep -iq "^ii\\|^hi"; then
if [[ "${installing_required_package}" != 'yes' ]]; then install_required_packages; fi
echo -e "${WHITE_R}#${RESET} Installing dirmngr..."
if ! DEBIAN_FRONTEND='noninteractive' apt-get -y -o Dpkg::Options::='--force-confdef' -o Dpkg::Options::='--force-confold' install dirmngr &>> "${pfELK_dir}/logs/required.log"; then
echo -e "${RED}#${RESET} Failed to install dirmngr in the first run...\\n"
if [[ "${repo_codename}" =~ (precise|trusty|xenial|bionic|cosmic|disco|eoan|focal) ]]; then
if [[ $(find /etc/apt/ -name "*.list" -type f -print0 | xargs -0 cat | grep -c "^deb http[s]*://[A-Za-z0-9]*.archive.ubuntu.com/ubuntu/ ${repo_codename} universe") -eq 0 ]]; then
echo -e "deb http://us.archive.ubuntu.com/ubuntu/ ${repo_codename} universe" >>/etc/apt/sources.list.d/pfelk-install-script.list || abort
fi
if [[ $(find /etc/apt/ -name "*.list" -type f -print0 | xargs -0 cat | grep -c "^deb http[s]*://[A-Za-z0-9]*.archive.ubuntu.com/ubuntu/ ${repo_codename} main restricted") -eq 0 ]]; then
echo -e "deb http://us.archive.ubuntu.com/ubuntu/ ${repo_codename} main restricted" >>/etc/apt/sources.list.d/pfelk-install-script.list || abort
fi
elif [[ "${repo_codename}" =~ (jessie|stretch|buster|bullseye|bookworm) ]]; then
if [[ $(find /etc/apt/ -name "*.list" -type f -print0 | xargs -0 cat | grep -c "^deb http[s]*://ftp.[A-Za-z0-9]*.debian.org/debian ${repo_codename} main") -eq 0 ]]; then
echo -e "deb http://ftp.us.debian.org/debian ${repo_codename} main" >>/etc/apt/sources.list.d/pfelk-install-script.list || abort
fi
fi
required_package="dirmngr"
apt_get_install_package
else
echo -e "${GREEN}#${RESET} Successfully installed dirmngr! \\n" && sleep 2
fi
fi
# wget install
if ! dpkg -l wget 2> /dev/null | awk '{print $1}' | grep -iq "^ii\\|^hi"; then
if [[ "${installing_required_package}" != 'yes' ]]; then install_required_packages; fi
echo -e "${WHITE_R}#${RESET} Installing wget..."
if ! DEBIAN_FRONTEND='noninteractive' apt-get -y -o Dpkg::Options::='--force-confdef' -o Dpkg::Options::='--force-confold' install wget &>> "${pfELK_dir}/logs/required.log"; then
echo -e "${RED}#${RESET} Failed to install wget in the first run...\\n"
if [[ "${repo_codename}" =~ (precise|trusty|xenial|bionic|cosmic) ]]; then
if [[ $(find /etc/apt/ -name "*.list" -type f -print0 | xargs -0 cat | grep -c "^deb http[s]*://security.ubuntu.com/ubuntu ${repo_codename}-security main") -eq 0 ]]; then
echo -e "deb http://security.ubuntu.com/ubuntu ${repo_codename}-security main" >>/etc/apt/sources.list.d/pfelk-install-script.list || abort
fi
elif [[ "${repo_codename}" =~ (disco|eoan|focal) ]]; then
if [[ $(find /etc/apt/ -name "*.list" -type f -print0 | xargs -0 cat | grep -c "^deb http[s]*://[A-Za-z0-9]*.archive.ubuntu.com/ubuntu ${repo_codename} main") -eq 0 ]]; then
echo -e "deb http://us.archive.ubuntu.com/ubuntu ${repo_codename} main" >>/etc/apt/sources.list.d/pfelk-install-script.list || abort
fi
elif [[ "${repo_codename}" == "jessie" ]]; then
if [[ $(find /etc/apt/ -name "*.list" -type f -print0 | xargs -0 cat | grep -c "^deb http[s]*://security.debian.org/debian-security ${repo_codename}/updates main") -eq 0 ]]; then
echo -e "deb http://security.debian.org/debian-security ${repo_codename}/updates main" >>/etc/apt/sources.list.d/pfelk-install-script.list || abort
fi
elif [[ "${repo_codename}" =~ (stretch|buster|bullseye|bookworm) ]]; then
if [[ $(find /etc/apt/ -name "*.list" -type f -print0 | xargs -0 cat | grep -c "^deb http[s]*://ftp.[A-Za-z0-9]*.debian.org/debian ${repo_codename} main") -eq 0 ]]; then
echo -e "deb http://ftp.us.debian.org/debian ${repo_codename} main" >>/etc/apt/sources.list.d/pfelk-install-script.list || abort
fi
fi
required_package="wget"
apt_get_install_package
else
echo -e "${GREEN}#${RESET} Successfully installed wget! \\n" && sleep 2
fi
fi
# netcat install
if ! dpkg -l netcat 2> /dev/null | awk '{print $1}' | grep -iq "^ii\\|^hi"; then
if [[ "${installing_required_package}" != 'yes' ]]; then install_required_packages; fi
echo -e "${WHITE_R}#${RESET} Installing netcat..."
if ! DEBIAN_FRONTEND='noninteractive' apt-get -y -o Dpkg::Options::='--force-confdef' -o Dpkg::Options::='--force-confold' install netcat &>> "${pfELK_dir}/logs/required.log"; then
echo -e "${RED}#${RESET} Failed to install netcat in the first run...\\n"
if [[ "${repo_codename}" =~ (precise|trusty|xenial|bionic|cosmic|disco|eoan|focal) ]]; then
if [[ $(find /etc/apt/ -name "*.list" -type f -print0 | xargs -0 cat | grep -c "^deb http[s]*://[A-Za-z0-9]*.archive.ubuntu.com/ubuntu/ ${repo_codename} universe") -eq 0 ]]; then
echo -e "deb http://us.archive.ubuntu.com/ubuntu/ ${repo_codename} universe" >>/etc/apt/sources.list.d/pfelk-install-script.list || abort
fi
elif [[ "${repo_codename}" =~ (jessie|stretch|buster|bullseye|bookworm) ]]; then
if [[ $(find /etc/apt/ -name "*.list" -type f -print0 | xargs -0 cat | grep -c "^deb http[s]*://ftp.[A-Za-z0-9]*.debian.org/debian ${repo_codename} main") -eq 0 ]]; then
echo -e "deb http://ftp.us.debian.org/debian ${repo_codename} main" >>/etc/apt/sources.list.d/pfelk-install-script.list || abort
fi
fi
required_package="netcat"
apt_get_install_package
else
echo -e "${GREEN}#${RESET} Successfully installed netcat! \\n" && sleep 2
fi
netcat_installed=true
fi
if [[ "${curl_missing}" == 'true' ]]; then script_version_check; fi
###################################################################################################################################################################################################
# #
# Checks #
# #
###################################################################################################################################################################################################
# Temporarily Disk Space
if [ "${system_free_disk_space_tmp}" -lt "5" ]; then
header_red
echo -e "${WHITE_R}#${RESET} Temporarily disk space is below 5GB. Please expand the disk size!"
echo -e "${WHITE_R}#${RESET} It is recommend tha available space be expanding to at least 10GB\\n\\n"
if [[ "${script_option_skip}" != 'true' ]]; then
read -rp "Do you want to proceed at your own risk? (Y/n)" yes_no
case "$yes_no" in
[Yy]*|"") ;;
[Nn]*) cancel_script;;
esac
else
cancel_script
fi
fi
# Disk Space
if [ "${system_free_disk_space}" -lt "5" ]; then
header_red
echo -e "${WHITE_R}#${RESET} Free disk space is below 5GB. Please expand the disk size!"
echo -e "${WHITE_R}#${RESET} It is recommend tha available space be expanding to at least 10GB\\n\\n"
if [[ "${script_option_skip}" != 'true' ]]; then
read -rp "Do you want to proceed at your own risk? (Y/n)" yes_no
case "$yes_no" in
[Yy]*|"") ;;
[Nn]*) cancel_script;;
esac
else
cancel_script
fi
fi
# Memory
if [ "${system_swap}" == "0" ]; then
header_red
echo -e "${WHITE_R}#${RESET} Disabling swap!"
swapoff -a
sleep 2
fi
if [ "${system_memory}" -le "4" ]; then
header_red
echo -e "${RED}#${RESET} System memory does not meet minimum and may not run!"
echo -e "${RED}#${RESET} This system has "${system_memory}"GB of RAM configured!"
echo -e "${WHITE_R}#${RESET} It is recommend that ram is expanded to at least 8GB\\n\\n"
sleep 2
if [[ "${script_option_mem_skip}" != 'true' ]]; then
read -rp "Do you want to proceed at your own risk? (Y/n)" yes_no
case "$yes_no" in
[Yy]*|"") ;;
[Nn]*) cancel_script;;
esac
else
cancel_script
fi
else
header
echo -e "${WHITE_R}#${RESET} Memory Meets Minimum Requirements!\\n\\n"
echo -e "${RED}#${RESET} This system has "${system_memory}"GB of RAM configured!"
echo -e "${RED}#${RESET} This system has "${system_swap}"GB swap allocated!"
swapoff -a
sleep 2
fi
###################################################################################################################################################################################################
# #
# Ask to keep script or delete #
# #
###################################################################################################################################################################################################
script_removal() {
header
read -rp $'\033[39m#\033[0m Do you want to keep the script on your system after completion? (Y/n) ' yes_no
case "$yes_no" in
[Yy]*|"") ;;
[Nn]*) delete_script=true;;
esac
}
if [[ "${script_option_skip}" != 'true' ]]; then
script_removal
fi
###################################################################################################################################################################################################
# #
# Installation Script starts here #
# #
###################################################################################################################################################################################################