How to change swappiness on a linux server ?
Swappiness is a feature in linux which tells the system kernel how much data to be swapped, or to be moved into swap memory and back to main memory. The...
Tag: proc
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What is hung task and how to panic our RHEL/centos system when a task remains hanged for specific period of time ?
The hung task is detected by linux kernel by parsing processes with uninterruptible sleep state(which are waiting for some event or resource and is usually not going to move forward)...
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What is the meaning of 0 in /proc/sys/kernel/ctrl-alt-del file in Linux ?
Do you know what is the meaning of value stored in /proc/sys/kernel/ctrl-alt-del file ? Let us have a look at it. I. Meaning of default values [root@ngelinux kernel]# cd /proc/sys/kernel...
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Difference between procfs and sysfs filesystem in Linux
/proc and /sys partitions keeps the system information on which its running and are useful to get any system details or running configuration we need. As we know in Linux,...
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What is /proc/sysrq-trigger in linux and how to use sysrq kernel feature ?
SysRq or “System Request” also known as Magic Keys, which allows us to send some specific instructions directly to the Linux kernel. This can be invoked by using a specific...