Linux Users command save in a log file

 If you want to keep a trace all Linux user commands in a log file, 

Follow below-mentioned steps:

1)** Edit /etc/rsyslog.d/bash.conf

vi /etc/rsyslog.d/bash.conf

and add the following: 

local6.*    /var/log/commands.log

2)** Open /root/.bashrc:

sudo -e /etc/bashrc

and add this line:

export PROMPT_COMMAND='RETRN_VAL=$?;logger -p local6.debug "$(whoami) [$$]: $(history 1 | sed "s/^[ ]*[0-9]\+[ ]*//" )"'

Run the following to load the changes:

source /etc/bashrc

3)** Edit /etc/logrotate.d/syslog:

sudo -e /etc/logrotate.d/syslog

and add the following line:

/var/log/commands.log

4)** Restart rsyslog service:

sudo service rsyslog restart 

5)** With the above, the logs are saved in /var/log/commands.log in the following format:

Enjoy.... @taybkhan@

tail -f /var/log/commands.log