Sometimes setting a good password policy is not easy and you may receive many complaint from end user especially non-IT related users. Normally they like password = password = abc123 as easy as possible.
Personally I don’t like pam_cracklib and I would preferred pam_passwdqc.
The pam_passwdqc module is a simple password strength checking module for PAM. In [...]
For some security reason you may configure SSH or any other protocol using different kind of port number on Linux server. Sometimes it’s important to know which ports are actually listern or open to the system network, it may open for network instruction or hacking.
Basically there are few methods to see which ports are [...]
My previous post talked about How To Show Linux User Password Expires. I would like to share “How to force user change password at next login on Linux“.
Option 1:
passwd command - change user password
Use the following syntax:
passwd -e
-e Force the user to [...]
[Ctrl]-[Alt]-[Delete] is a shortcut key to shutdown/reboot the server without having to log on but sometimes it will be a problem by accidently pressing the [Ctrl]-[Alt]-[Delete] key in the production Linux server console. In order to prevent the use of [Ctrl]-[Alt]-[Delete] key combination on a production server, we MUST disable it.
Basically it is configured [...]
Sometimes using a command line is much more faster than using GUI. Personally I found VMware Virtual Center always have bugs. The following article will guide you how to use vmware-cmd VM management tool for some basic VMware administrative tasks.
The figure below illustrates states, transitions, and state changing commands for virtual machines.
List path and names [...]
