This how to article for using yum with a proxy server describe how to configure YUM to work behind proxy server using username and password.If you are behind proxy server then you need to configure yum to pass proxy server.

important uses of LSOF Command – lsof is a Linux utility which lists the information about files opened by processes.LSOF is one of the powerful tool available for troubleshooting problems.

First runlevel for Linux system which only one user is allowed to access that root user.Single user mode is useful for fixing some system problem like filesystem errors,recovering root password etc.So these are the steps for entering to single user mode in Linux.This is based on redhat enterprise linux 5( RHEL 5) Steps: Press any [...]

You installed a new Linux system, but forgot to set enough swap space for your needs. Do you need to repartition and reinstall? No, the swap utilities on Linux allow you to make a real file and use it as swap pace.The trick is to make a file and then tell the swapon program to [...]

To convert an ext2 filesystem to ext3,login as root and type the following command in terminal #/sbin/tune2fs -j <block device> A valid block device includes the following type of entries 1) .A mapped device -(a logical volume in a volume group) eg: /dev/mapper/VolGroup00-LogVol02 2) .A state device – A traditional storage volume eg: /dev/hdaX Incoming [...]