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Monday, April 28, 2014

Recover deleted files used by any process in Linux from RAM memory.

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Every thing in Linux is a File. A file in turn is actually a pointer to inode which contain the actual data on the disk, permissions, owne...
1 comment:
Tuesday, April 8, 2014

Sendmail Error : NOQUEUE: SYSERR(root): No local mailer defined NOQUEUE: SYSERR(root): QueueDirectory (Q) option must be set

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Error using m4 macro while building sendmail.cf from sendmail.mc on RHEL 6 / CentOS 6 flavors? [root@cent1]# m4 /etc/mail/sendmail.mc...
3 comments:

Change Default MTA in RHEL 6 / Cent OS 6

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By default Postfix is set as the default mail transfer agent in Redhat Enterprise Linux 6 and Cent OS 6 flavors. However you can change t...
Thursday, October 10, 2013

How to configure Veritas Volume Manager VxVM 6.0.2

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The disks should be discovered by OS before it can be added to Veritas Volume Manager. 1. List the disks detected by VxVM. # vxdisk -o alld...
1 comment:
Friday, July 5, 2013

Configure DNS Client in Solaris 11.1

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Solaris 11.1 saw a lot of changes. A number of configurations has been moved from config files to Service Management Framework , SMF. To ...
2 comments:
Wednesday, June 12, 2013

Cut command reference

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Cut is a simpler alternative to the sed command. Cut is also very efficient and flexible.. The examples specified below is from Solaris ...
Thursday, April 25, 2013

Set Setuid, Setgid and Sticky bit in Linux

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Special permissions on files and directories in linux are : SetUID , SetGID and Sticky bit. With the help of “chmod” command  we can im...
11 comments: