How to extend the LVM Partition / Resizing lvm partion

If required space is not available in the VG then request Vmware or SAN team for a new disk. To Extend the lvm partion, we need to have free space in volume...

Find command with some examples

Find command is available by default in most of the Linux distros so you don't need to install any packages to get this command. Find command is very useful to search...

How to encrypt and decrypt the file in Linux

Sometimes you may need to send a important files as a attachment thru emails. Better if the files was sent in encryption mode then unauthorized person can't misuse the file. Now we...

How to fix error “volume group holds max 1 physical volume(s)” for system VG

By default the system volume group holds only one disk. If you tried to add another disk then you might be received like below error. Existing space in system volume group # vgs ...

How to find top CPU utilization processes

At frequent intervals, cpu will be utilized high however sometimes you can't find which process is consuming. Below commands will help you to find top consuming cpu processes. # ps -eo pcpu,args...

How to enable the password less authentication between servers

SSH (Secure Shell) is a network protocal which allow users to connect the remote computers securely from unsecured network to administer the system. Using this protocol, you can transfer the files between...

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