noteBook | w01ki3

bashNote

folder delete

rm -rf foldername

folder compress

tar -zcvf public_html.tar.gz html

unpack tar file to directory

tar -zxvf public_html.tar.gz

copy file from server to other remote server

scp /var/www/public_html.tar.gz userName@xxx.xx.xx.xx:/home/username/domains/xxx.com

List root user scheduled tasks

crontab -u root -l

folder with scheduled tasks

cd /var/spool/cron

copy file from windows to linux by specifying port

pscp -P 22 D:\xampp\htdocs\html.zip userName@xx.xx.xx.xx:/var/www/

download from linux to windows

pscp.exe username@xx.xx.xx.xx:/var/www/dbbkp20201108.sql D:\privateJobs\downloads

link

ln -s /etc/apache2/sites-available/xxx.com.vhost /etc/apache2/sites-enabled/xxx.com.vhost

password change

passwd

delete user

deluser --remove-home test
deluser username

show users

cat /etc/passwd
cat /etc/shadow

watch xxx.log file live

tail -f xxx.log

give user permission to the folder

useradd -d /var/www/clients/client7/web28 username
useradd -d /var/www/clients/client7/web28 username -s /bin/bash

Change password of all users in mysql.

UPDATE mysql.user SET PASSWORD=PASSWORD('xxxxx')

press 755 or 644 to folders

find * -type d -exec chmod 755 {} +
find * -type f -exec chmod 644 {} +

press 644 to files that start with a [.]

find .* -type f -exec chmod 644 {} +

add username user to client7 group

usermod -a -G client7 username

Make username owner of files

chown -R username *
chown -R username .*

search pdf file

find -name *.pdf -type f

ssh settings

nano /etc/ssh/sshd_config
service sshd restart

mysql backup

mysqldump -p -h localhost -u kullaniciAdi databaseAdi > yedekDosyasi.sql

open new window

screen
shift+ctrl+A+C
shift+ctrl+A+N

View running apps with name xxx

ps -aux | grep xxxx

run appname as supervisor

supervisor appname

restrict ssh connections by ip - at [/etc/hosts]

sshd sshd1 sshd2 : 127.0.0.1 : ALLOW
sshd sshd1 sshd2 : xx.xx.xx.xx : ALLOW
sshd sshd1 sshd2 : ALL : DENY

timezone setting

tzselect

graphical timezone setup

dpkg-reconfigure tzdata

clock setting only

date -s "22:43:10"

time status & settings

timedatectl status
timedatectl set-timezone UTC

ssl certificate renewal

certbot certificates
certbot renew --force-renewal
certbot -d damainname.com,www.damainname.com --force-renewal
systemctl restart httpd

Create key and authorize server for github ssh

//1 - create ssh key
ssh-keygen -t rsa -b 4096 -C "mail@mail.com"
//2 - run in background
eval "$(ssh-agent -s)"
//3 - give a permission
ssh-add .ssh/id_rsa
//4 - view pub
cat .ssh/id_rsa.pub
//5 - copy what is displayed and add from there
https://github.com/settings/keys