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Category Archives: Linux

Linux tips, tricks, tutorials

Apache Performance Enhancement Trick

Apache is most widely used web server in market. It’s default configuration can be tricky for optimization. Apache performance enhancement trick is a quick way to understand what are the available options you can use to make the faster 4x.…

Backup and restore 389 Directory server

It’s easy to backup and restore 389 directory server with 389 graphical console. But many times you want to backup a server which don’t have GUI installed on it or you just want to automate the backup process with crontab.…

Creating and managing swap file in Linux

swap is a virtual memory inside your Disk which holds inactive memory pages from RAM to improve system performance. There are many reasons why you want to add swap space in Linux. You have just upgraded your Systems RAM and…

Compiling and Installing Linux kernel from Source

As you many know, Kernel 4.x.x has been released with tones of changes and enhancements. We all know new kernel always have latest drivers, support for new devices, new features, filesystem enhancements.The feature that all Linux IT guys awaits for,…

How to install latest kernel in CentOS with YUM

As you many know, Kernel 4.x.x has been released with tones of changes and enhancements. We all know new kernel always have latest drivers, support for new devices, new features, filesystem enhancements.The feature that all Linux IT guys awaits for,…

Basics of AWK with examples

AWK (Aho, Weinberger, and Kernighan) stand for it’s creators name . AWK is a text processing and reporting tool used for printing, finding, replacing the strings. Let’s see some AWK with examples In UNIX or LINUX everything is a file,…

Linux load and load average

Most of Linux and Unix systems show system load on load average numbers. Unlike the CPU utilization it shows how many processes are waiting for resources. Where load is a real time measurement of CPU utilization load average is an…

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