How to delete an array & its content in HPSSACLI or HP Smart Storage interface ?
We have seen how to create array in HPSSACLi earlier. Today we will look how to delete an array or logical drive in HP Smart Storage Admin CLI. Lets have...
Tag: redhat
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Solved: Not able to see console after POST in Redhat Enterprise Linux or Centos.
Some Linux Operating Systems, or RHEL versions sometimes disable console video and you might be not able to see remote console after POST. This happens due to a kernel issue...
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systemd limit directives: Set ulimit in RHEL7 or CentOS 7
1. Resource limit directives, their equivalent ulimit shell commands and the unit used Directive ulimit equivalent Unit LimitCPU= ulimit -t Seconds LimitFSIZE= ulimit -f Bytes LimitDATA= ulimit -d Bytes LimitSTACK=...
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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 view last users’ login history in Linux ?
Today we will see how to view user login history in linux. For this, we will use “last” command which gives login history for any specific username mentioned. If we...
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How to identify if our linux kernel is build with a specific option or not, for example if cgroup option is enabled during kernel build or not ?
Sometimes when you browse solution to some issue, you might have seen “make sure your kernel supports —- option i.e. during its build, this option is specified and enabled ?”...
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What is the meaning and impact of /run/user/0 and /run/user/1000 directories in Linux(Fedora) ?
Have you ever worked in latest versions of fedora ? If yes, you might have observed some directories “/run/user/some-number” when doing “df -h”. Lets see the command output. [saket@localhost ~]$...
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How to run sudo command over ssh to remote servers via a script in Linux/Unix ?
Today in this post, we will look how to run a command with root user, i.e. using sudo on remote server. And how to place it in a loop to...
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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...