Linux Tips

See Various tips, Command list, Linux Network
ABRT - Crash reports - Redhat
cd /var/cache/abrt
 
Bash
See Command list for the set command

Configuration files order
1) /etc/profile
2) ~/.bash_profile
3) ~/.bash_login
4) ~/.profile

Files description
.bash_history #Last executed commands
.bash_logout  #Commands executed when shell is leaved
.bash_profile #Commands executed at login
.bashrc       #Commands executed each time a new shell is opened
 
Disable system crontabs
#Example:
mkdir -m 700 /etc/cron.disabled
mkdir -m 700 /etc/cron.disabled/cron.hourly
mkdir -m 700 /etc/cron.disabled/cron.daily
mkdir -m 700 /etc/cron.disabled/cron.weekly
#disable makewhatis
mv /etc/cron.daily/makewhatis.cron /etc/cron.disabled/cron.daily
mv /etc/cron.weekly/makewhatis.cron /etc/cron.disabled/cron.weekly
 
Linux startup no graphic
[/etc/inittab]
from id:5:initdefault:
to   id:3:initdefault:

 

Change hostname - rename
vi /etc/hosts
vi /etc/sysconfig/network
ifdown eth0
ifup eth0

 

How to remove that annoyingly loud system beep

Put this line into your /etc/profile
This will make the beep a quiet little low-pitched 'bip'.
echo -e "\33[10;50]\33[11;10]"
This will make the system bell completely silent
echo -e "\33[10;20]\33[11;5]System bell disabled"