From the category archives:

CentOS

I‘m not told to use the root user to perform activities that do not require it. I’ve configured sudo for myself and for other web developers so that they can restart MySQL or Apache web server. How do I send email when sudo run by one of my user? How do I keep track of user login done via sudo command?

{ 4 comments }

How do I install packages via DVD / CD using yum command under CentOS Community Enterprise Linux version 5.x?

{ 2 comments }

What is bastion host? How do I configure bastion host under Linux? How do I create a firewall for a bastion host under any Linux distribution?

{ 5 comments }

I own a small business website. However, bots started to abusing my forms such as contact.php. How do I stop bots bots from abusing my site? How do I tell if PHP form is submitted by a person or a script?

{ 1 comment }

How do I uninstall or remove Webmin software under Linux / UNIX operating system?

{ 0 comments }