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

Rebuild source rpm to binary rpm on RedHat system

Rebuild source rpm to binary rpm on RedHat system RPM Build Environment You need to have rpm build and software development environment. Install rpm-build package:

Install software development group:

And install any required library and dependency by a software package that you are going to rebuild. Directory Structure … Continue reading