Born2beroot

These are some commands that will be usefull during the evaluation of the born2beroot proyect.

Machine signature

Get the machine signature in sha1 format

shasum born2beroot.vdi

Graphical Interface

Checks if a graphical interface is installed

ls /usr/bin/*session

Expected output for no GUI: /usr/bin/dbus-run-session

System details

Show system details

uname -a

Sudo

Check that sudo is installed

apt-cache policy sudo

Check the strong configuration for sudo

cat /etc/sudoers.d/sudo_config

Partitions

See partitions

lsblk

SSH

Service is runing

service ssh status

Configuration file

/etc/ssh/sshd_config

Connect via SSH

ssh alaparic@localhost -p 4242

UFW (Uncomplicated FireWall)

Configure port rule

ufw allow <number>

Delete port rule

ufw delete <number>

See opened ports

ufw status numbered

Users and groups

Create a new user

adduser <username>

Create a new group

addgroup <groupname>

Add user to group

adduser <username> <groupname>

Check which groups a user belongs to

groups <username>

Check password rules in users

chage -l <username>

Password policy

See password policy

vim /etc/pam.d/common-password

See password expiration

vim /etc/login.defs

hostname

Check current hostname

hostname

Change the hostname

Chnage the current value for the new login in these two files

vim /etc/hostname

vim /etc/hosts

Password policy

Open the configuration file

vim /etc/pam.d/common-password

Crontab

Open the crontab config file

crontab -u root -e

Start / Stop

/etc/init.d/cron start

/etc/init.d/cron stop