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Tuesday, January 23, 2018

An abbreviation of SAR is System Activity Reporter which is an important tool for system administrators to get the performance overview of the server at different point of time. Using sar commaned,...

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...

1. To list all enabled repositories # yum repolist Loaded plugins: product-id, security, subscription-manager This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register. rhel6 ...

You might have allocated more space to lvm partition for future use but now its not required hence you are planning to reduce the LVM partition and to remove the disk...

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...

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...

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 ...

What is Vim ? Vim is a highly configurable text editor built to enable efficient text editing. It is an improved version of the vi editor distributed with most UNIX systems. Vim is...

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