Topic 8

Dates: 3/8/2017
Start-up and Run Levels. Scheduled jobs (at, cron)
Linux System Administration


Practical Exercises with login scripts and checking the run sequence.


Complete the exercises below on run01 VM

In a user home directory on Ubuntu 14.04, there should be scripts .profile and .bashrc.
Create a new user account, for example jerry:
useradd -m -s /bin/bash jerry
passwd jerry
In file .profile, put entry
echo PROFILE
In file .bashrc, put entry
echo BASHRC

Create files .bash_login and .bash_profile with the only entries echo BASH_LOGIN and echo BASH_PROFILE, accordingly.
Logout and login as user jerry and notice BASH_PROFILE in the login prompt. Start a new shell,
/bin/bash
notice BASHRC in the new shell prompt.
Remove file .bash_profile, logout and login as user jerry again. Notice BASH_LOGIN in the new login prompt.
Remove file .bash_login, logout and login as user jerry again. Notice PROFILE in the login prompt.


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