From the category archives:

Sys Admin

If you are running RedHat / CentOS 32 bit and have 4 GB or more RAM use the Linux kernel compiled for PAE capable machines. Your machine may not show up total 4GB ram with 32 bit architecture servers. All you have to do is install PAE kernel package.

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How To Kill Process In Linux

by lifeLinux on May 21, 2011

Sometimes, I need to kill a process in Linux. So, how can I do that ? In this article, i will explain how do I kill process in Linux.

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How To Find Hard Drive Specifications

by lifeLinux on May 19, 2011

There are many tools to get hard drive information such as smartctl, hdparm, hwinfo… In this article, i will use hdparm command which provides a command line interface to various hard disk ioctls supported by the stock Linux ATA/IDE device driver subsystem.

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Linux Display CPU Information

by lifeLinux on May 19, 2011

Q. How do I display CPU information in Linux ? A.You can get information of /proc/cpuinfo file or use lshw command to display CPU information in Linux.

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How To Add User To Group In Linux

by lifeLinux on May 19, 2011

There are two types of group. First is primary user group and other is secondary group. Group infomation is stored in /etc/group file contains basic group attributes. This is an ASCII file that contains records for system groups.

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By default iptables firewall stores its configuration at /etc/sysconfig/iptables file. Type the following command to see its # cat /etc/sysconfig/iptables

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