Update1:As of now we started with RHCE concepts and in future we will move on to advanced concepts such as virtualization, CVS, Monitoring, Storage etc.

Update2:Started posting on DNS stuff this month

Hi all,

We are planing to systematically write quality posts on Linux admin stuff at www.linuxnix.com which every Linux administrators are facing in day today activities. In order to bring similar topics under one umbrella we came up with a plan to address this. Linux is a … Continue Reading

We are very much happy to announce that we started posting on DNS client and Server stuff on our blog for this month(Jan 2011). We already have some minor existing stuff related to DNS and troubleshooting it. Below are quick links to our existing DNS Server/Client stuff

http://www.linuxnix.com/tag/dns-servers

http://www.linuxnix.com/tag/dns

Some of the DNS topics which are going to cover in this month are as follows. Please feel free to add requirements for DNS concepts which are not … Continue Reading

Dear Friends/Readers,

I take this opportunity to convey our sincere thanks to each one of you personally for your support and co-operation for several years. I request you to continue the same support and refer more people to our blog to grow bigger. We are very happy and personally congratulate each one of you for yourr successful career and continuous achievements.

We personally request each one of you to give us your valuable suggestions and feed … Continue Reading

What is a sticky Bit and how to set it in Linux?

This is next to SGID in our ongoing File and Folder permissions in Linux. We already discussed about CHMOD, UMASK, CHOWN, CHGRP SGID and SUID File and folder permissions etc in our previous posts. In this post we will see

What is Sticky Bit?

Why we require Sticky Bit?

Where we are going to implement Sticky Bit?

How … Continue Reading

What is SGID and how to set SGID in Linux/Unix?

This is next to SUID in our ongoing File and Folder permissions in Linux. We already discussed about CHMOD, UMASK, CHOWN, CHGRP and SUID File and folder permissions etc in our previous posts. In this post we will see

What is SGID?

Why we require SGID?

Where we are going to implement SGID?

How to implement SGID in Linux?

What is SGID?… Continue Reading

What is SUID and how to set SUID in Linux/Unix?

There are some other special permission apart from the normal file permissions read, write and execute. They are SUID, SGID, Sticky Bit, ACL’s and SELinux etc for granular file/folder management by administrator. In this post we will see

1)What’s SUID?
2)How to set SUID?
3)Where to us SUID?

What is SUID and how to set it in Linux?

SUID (Set owner User … Continue Reading

What is UMASK and how to define it in Linux?

UMASK(User Mask or User file creation MASK) is the default permission or base permissions given when a new file(even folder too, as Linux treats everything as files) is created on a Linux machine. Most of the Linux distros give 022(0022) as default UMASK. In other words, It is a system default permissions for newly created files/folders in the machine.