How to resolve NFS stale file handle issue in linux ?
Today we will look at an interesting article how to resolve NFS Stale file handle issue which works in most of the cases. However sometimes we need to perform some...
Tag: rhel
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Solved: Redhat Satellite Subscription error: Unable to find available subscriptions for all your installed products.
Today we will see how to resolve one of the most common error we used to encounter while migrating a host on satellite server. Error Message This system has already...
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How to reset TIME_WAIT connection on my linux server ?
If you working as a system admin, you might have faced issue of multiple TIME_WAIT connections on a server resulting in no/slow connections to the specific server(s). To resolve such...
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How to identify /dev/mapper/path actual device on our linux system ?
Today in this post, we will look how to identify the lvm, or multipath device which is mapped by device mapper on our system. Device mapper automatically creates a pseudo...
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Explanation of /etc/prelink.cache & prelink.conf file : What is prelink cache in Linux ?
I. Introduction prelink as its name suggests is a program used to link ELF shared libraries and binaries in order to speed up startup time. Synopsis prelink [OPTION...] [FILES] prelink...
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How to turn off bell sound during TAB completion in linux ?
I. Introduction Let us have a look at an interesting tip today to turn off/on the bell sound during TAB completion. We will achieve this by changing inputrc file configuration....
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How to take dump or backup of all mysql databases in Linux ?
Today we will look how to take backup/dump of all mysql databases of our linux system from command line. I. Taking Backup To take backup, we will use mysqldump command...
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How to kill or clean zombie or defunct processes in linux ?
Processes marked as are zombie(Z in ps command output) processes (also called as “dead” processes) that remain in process table memory because their parent has not destroyed them properly after...
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Different ways to create a file in Linux ?
Today we will look at a very basic article to know various ways to create a file in linux. Lets see the various commands below. 1. Touch command [root@ngelinux ]#...
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How to update RHEL, or centos major release version: from RHEL 5 to RHEL 6, or from RHEL6 to RHEL 7 ?
Today in this post, we will look how to perform redhat or centos major release upgrade. I. RHEL 5 to RHEL 6 a. In-place upgrades between major RHEL versions...