Rebuild postfix with mysql support from source rpm

Rebuild postfix with mysql support from source rpm… Assume that you have rpm build development environment and required development packages like mysql-devel. If not yet done those, install them first through yum. Checking lib support Which lib has already supported with your installed postfix?

How to check whether your … Continue reading

Bash shell commands for daily administration tasks

The following are a bash shell commands for daily administration tasks. Shell User $ vs # — shell user privilege indicator

Check who is in shell

Write message to user

write-a-message-to-login-users-through-terminal tty

Force logout user

Alternatively, command w to see the user, then ps -u … Continue reading