Tutorials On Linux, Unix & Open Source
Tips And Tricks
In this post we will know about 30 useful Linux terminal keyboard shortcuts.The Linux keyboard shortcuts make your work on terminal very easy.We have tried to gather some useful Linux terminal keyboard shortcuts which can be run in system terminal as well as accessing machine with ssh command(Means through ssh terminal in short). The given … Read more
In this post I will discuss about, how a person still can log into Single User mode even if you have secure the single user mode.We can still login into system even if you are getting password prompt in single user mode / runlevel 1.The practical has been done in CentOS 6.x and Red Hat … Read more
In this tutorial we will learn,how to install and optimize the png file by using optipng. Optimizing the png format file is very important, in terms of decreasing the website loading page time. If your website has a lots of png file,it may take time to load which also results in decreasing the webpage opening … Read more
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
In this tutorial we will learn,recover Linux Grub Password in linux rescue mode CentOS/Red Hat.We are doing this practical with scenario,in case we forgot root as well as grub password.The method will help you to recover linux grub boot loader password. Requirement: We prefer to use bootable CentOS/Red Hat CD/DVD/USB which is used for installing … Read more
In this tutorial we will learn about how to set GRUB password after installation in Red Hat based Operating System. In our last post,we have described about how to reset root password in single user mode. If our system does not have grub password set, anyone can reset root password after booting the system in … Read more