From the category archives:

File System

I need to find and list all hidden files including directories on a Linux server (CentOS). How can I recursively list all hidden files and directories? How do I save result in a text file? And How do I delete all hidden files/directories ?


How To Mount A ISO Image Under Linux

by lifeLinux on May 27, 2011

An ISO image (International Organization for Standardization) is an archive file (also known as a disc image) of an optical disc, composed of the data contents of every written sector of an optical disc, including the optical disc file system. ISO images can be created from optical discs, or can be used to recreate optical […]


Linux Password Protect Files

by lifeLinux on May 27, 2011

If you store private information on your Linux system and you want to prevent other people who use the system from viewing your private files, you need to password protect these files. Solution is to use following commands to encrypt or decrypt files with a password.


Linux Hard Disk Speed Tests

by lifeLinux on May 8, 2011

While having a large hard drive is good for storing lots of data, it is also important for your computer to have a fast hard drive. Faster hard drives help your computer run more smoothly. You can use the hdparm tool or dd command to determine your disk speeds from the Linux command line.

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SUID, SGID and Sticky Bits

by lifeLinux on March 27, 2011

What are the SUID, SGID and the Sticky Bits? Sticky Bit Lets start with Sticky bit first. Since this is the most simplest to explain. Setting the sticky bit tells Unix that once the concerned application is executed, it should remain in memory. Remember that Unix is a multi-user OS and was mainly designed so […]


How To Copy Hidden Files On Linux

by lifeLinux on November 23, 2010

Q. Is there an easy way to recursively copy all files include hidden files in a directory to another directory? A. Using rsync command is a better solution.


How To Destroy All Hard Drive Data In Debian

by admin on November 23, 2010

If you want to delete all data contained in your hard drive so that you render it empty in case you want to sell it or for any other reasons, you need to follow these steps: 1. Turn on your computer and boot from Debian Live CD or any of its variants (Debian, Ubuntu, Xubuntu, […]