Squid is a proxy caching server. If you are Linux sysadmin, you can use squid to control internet access at your work environment. This beginners guide will give a jump-start on how to setup squid on Linux to restrict internet access in an network. Install Squid You should install the following three squid related packages [...] Read More: How To Use Squid Proxy Cache Server To Control Internet Access

cpio command is used to process archive files (for example, *.cpio or *.tar files). cpio stands for “copy in, copy out”. cpio performs the following three operations. Copying files to an archive Extracting files from an archive Passing files to another directory tree cpio takes the list of files from the standard input while creating [...] Read More: Linux cpio Examples: How to Create and Extract cpio Archives (and tar archives)

Do you need more time to do the things that you enjoy? Of course, you do. For geeks there are tons of technical projects to mess with, but we don’t have enough time. Over the years, I’ve tried few time management and productivity systems. While they all helped me grow, there is something in those [...]

Question: How do I lookup the wwn address of my HBA card installed on the Linux system. I need this information to create zoning on my fiber channel switch.
Answer: Use one of the following methods to view the HBA WWN address on Linux.

Method 1: /sys/class/scsi_host/host{n}/device/fc_host:host{n}/port_name File
On Redhat 5 and above (including OEL and CentOS), the [...] Read More: HBA WWN: How to Find Qlogic or Emulex HBA Card WWN Address on Linux

Question: I would like to add more swap space to my Linux system. Can you explain with clear examples on how to increase the swap space?
Answer: You can either use a dedicated hard drive partition to add new swap space, or create a swap file on an existing filesystem and use it as swap space.

How [...] Read More: UNIX / Linux: 2 Ways to Add Swap Space Using dd, mkswap and swapon