linux command

Install libjpegtran by using yum command in CentOS 6.x

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In this tutorial we will learn,how to install libjpegtran by using yum command in CentOS 6.x. The libjpegtran is mainly used for optimizing the jpeg and jpg format files.This utility compress an image without losing the quality of file. If you are running a website which has lots of jpeg/jpg file, which may take time … Read more

man command not found in CentOS and Red Hat

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Manual pages are software documentation found in Unix like Operating system and man linux distro. To get the information about package and command, we use the syntax yum install Package_name-Command_name.The abbreviation of Manual Page is man page . When you work in Unix like operating system,we generally need help and information about the package and … Read more

Linux: Set user password by using encrypted password in command

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In this tutorial we will learn about how to set user password by using encrypted password in command line.We assume you already know about how to simply set/reset password of user by using command (passwd username). In this tutorial,first we will encrypt the password in python interpreter then we use the output in one liner … Read more

Linux command to find modified and access date of file/dir/filesystem

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In this tutorial we will learn about linux command to find last modified and access date of a file/dir and filesystem.The command is very useful for troubleshooting purpose. Here we will use the stat command which display file or file system status. To find the last modified and access date of a file/dir/filesystem in linux,we … Read more

Useful tail command with examples in Linux/Unix

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In this tutorial we will learn about useful tail command with examples in Linux/Unix which will help you in linux and Unix system administration. Question: What the tail command do Answer: tail command helps to get output from last part of file. Question: When we generally use the tail command. Answer: => tail command is … Read more