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How To Create sar Graphs With kSar To Identifying Linux Bottlenecks

Posted: 06 Jan 2018 04:59 PM PST


The sar command output can be used for identifying server bottlenecks. However, analyzing information provided by sar can be difficult, so use kSar tool. kSar takes sar command output and plots a nice easy to understand graph over a period of time.

The post How To Create sar Graphs With kSar To Identifying Linux Bottlenecks appeared first on nixCraft.

Ksplice: Upgrade / Patch Your Linux Kernel Without Reboots

Posted: 06 Jan 2018 04:58 PM PST


This is useful if you've a small number of Linux based servers and/or you want avoid unscheduled reboot just to apply hotfix to Linux kernel.

The post Ksplice: Upgrade / Patch Your Linux Kernel Without Reboots appeared first on nixCraft.

Vmware Linux Guest Add a New Hard Disk Without Rebooting Guest

Posted: 06 Jan 2018 04:56 PM PST


This procedure, adding physical block devices to virtualized guests, describes how to add a hard drive on the host to a virtualized guest using VMWare software running Linux as guest.

The post Vmware Linux Guest Add a New Hard Disk Without Rebooting Guest appeared first on nixCraft.

Debian Linux: Change Hostname / Computer Name Permanently

Posted: 06 Jan 2018 04:01 PM PST


How do I change the hostname of a Debian Linux system permanently using the command line tools?

The post Debian Linux: Change Hostname / Computer Name Permanently appeared first on nixCraft.

FreeBSD Change Hostname without reboot

Posted: 06 Jan 2018 10:54 AM PST

I am a new FreeBSD user. How do I change hostname in FreeBSD using the command line option? You need to use the hostname command to show the name of the current host. The root user can set the hostname by supplying an argument to the hostname command. However, editing the file is a good … Continue reading "FreeBSD Change Hostname without reboot"

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