How to allocate system memory for test purpose in Linux ?
Suppose you want to test system behavior when memory usage reaches 90% or more. Hence you want a mechanism to increase the used system memory to this level. Now you...
Category: Linux/Unix
In this category, you can see all articles related to Unix or Linux operating System.
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Script to get ram memory and total memory usage of a particular user in Linux.
Here we will check how to get RSS(Resident Set size) memory i.e. total KBs of memory usage in RAM, and VSZ(Virtual Size) memory i.e. total memory usage including ram, swap,...
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How to resolve -bash: fork: retry: Resource temporarily unavailable in Linux ?
In Linux, we have several ways to put limitations on complete system or for a particular user. In this article, we will discuss how to resolve -bash: fork: retry: Resource...
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How to install redhat cluster on RHEL 6 or NGELinux 1.0 ?
In this article, we will see how to install redhat cluster on RHEl 6 or NGELinux 1.0. The first step is to install the required software packages: 1. Installing Packages...
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How to overcome argument list too long error message in Linux ?
A Process supports limited length of arguments in command line. Suppose we have too many arguments and we pass all this to a command, then we will get the error...
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How to read file using bash for loop ?
Here we will check a quick tip how to read a file using bash for loop. We know this is easily possible with “do while” loop and other ways. Lets...
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How to see all available Linux System Errors Numbers with their Description ?
Today we will check out how to check out all available error numbers on our linux system with the description of corresponding error number. The command is very handy, you...
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Print only usernames from /etc/passwd file using grep, awk or cut commands.
In this post, we will quickly check a quick tip to grep only the usernames from /etc/passwd file using grep command. So here goes the command: 1. Using grep command...
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How to search recursively whole Linux system ?
Lets have a quick tip to search our whole system for some specific file or a file which contains a specific text. To search a file containing a text say...
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How to use xargs command in Linux with examples.
Here we will see what is xargs command and how can we use it to simplify the complex or long tasks on Linux. What is xargs Xargs stand for extended...