In this category, you can see all articles related to Unix or Linux operating System.
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=...
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...
Today in this post, we will look how to use HPONCFG tool to reset ILO password from the installed Linux OS. 1. First Step is to get existing ILO configuration...
XFS filesystem is the default filesystem that comes with RHEL 7, and is considered as highly scalable and high performance filesystem. Ideally XFS filesystem can only be increased in size...
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...
Today we will look at an interesting topic to understand the meaning of value stored in /proc/sys/kernel/panic file. I. File Path /proc/sys/kernel/panic II. Meaning The value stored in this file...
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 ?”...
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 ~]$...
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...