Linux

Linux
Whether Linux is difficult to learn depends on the person you are asking. Experienced UNIX users will say no, because Linux is an ideal ....

Wednesday, August 29, 2012

Upgrading Red Hat Enterprise Linux From Version 6.2 to 6.3

Red Hat Enterprise Linux v6.3 has been released and available via RHN for immediate update. How do I upgrade my RHEL from 6.2 to the latest 6.3 version? You can only upgrade from minor release as Red Hat does not support in-place upgrades between any major versions of Red Hat Enterprise Linux. However, a minor upgrade can be done easily and recommended for all users. Back up any important data on the server Make a backup - it...

CentOS / RHEL: Disable or Enable SELinux Policy Modules

H ow do I disable or enable SELinux policy modules under Red Hat Enterprise Linux running on Dell hardware? You need to use the semodule command. This command is used to manage SELinux policy modules, including installing, upgrading, listing, disabling and removing modules. Task: See currently installed modules Type the following command as the root user: semodule –l semodule -l | more semodule | less Sample...

yum command: Update / Install Packages Under Redhat Enterprise / CentOS Linux Version 5.x

H ow do I use yum command to update and patch my Red hat Enterprise Linux / CentOS Linux version 5.x server via RHN / Internet? Can I use up2date command under RHEL 5? Up2date command was part of RHEL v4.x or older version. You need to use yum command to update and patch the system using...

NFS Server and Client Configuration in RHEL / CENTOS / Fedora (Basic)

Server Side NFS Package Installation [root@system1 ~]# yum install nfs* Create a shared directory with appropriate permission to access [root@system1 ~]# cd / [root@system1 /]# mkdir redhat [root@system1 /]# ls bin   dev  home  lost+found  misc  net  proc    root  selinux  sys  usr boot  etc  lib   media      ...
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