Logs and history tricks

The article will contain some useful tricks related to Linux logs and history Store date and time in the history log: https://samiwell.eu/linux/bashrc Disable linux histroy:

set +o history

Enable linux histroy:

set -o history

Show last logins:

last

Clear the logs for the last logins (as root only):

sudo su
>/var/log/lastlog
>/var/log/wtmp
>/var/log/btmp

The shell history file

~/.bash_history

Set bash history to 2038-01-01

touch -a -m -t 203801010000.00 ~/.bash_history

Disable history and hide the trails. In the example 2000 is the last line in the history log. Don't forget to add spaces before your commands.

history | tail
HISTCONTROL=ignorespace && history -d 2000 && history -d 2000