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Showing posts with label UNIX. Show all posts
Showing posts with label UNIX. Show all posts
Tuesday, October 7, 2014

Disk Metadata : Superblock, Directory and Inodes

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Metadata Filesystem blocks are user for 2 purposes : To store User data and Metadata User data - stores actual data contained in fi...
1 comment:
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:
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:
Friday, March 30, 2012

The Find command cheat sheet

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The Find Command Cheat Sheet 1. Basic find command # find -name "TestFile" 2. Find Files Using Name and Ignoring Case # fi...
2 comments:
Wednesday, March 3, 2010

setuid File Permission in UNIX/Linux

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In this post I am going to describe you about the 'setuid' in UNIX and Linux. setuid or ' set u ser ID upon execution' an...