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…
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…
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…
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…
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…
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…
To install Apache web server in Ubuntu and Debian is easy task. If you have worked on any Red Hat based operating system ,you may find the Apache webserver package name is different. In Red Hat based Operating System the package name is httpd. In Debian based operating system like Ubuntu, Linux Mint etc. You…
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…
Summary In this tutorial we will learn,how to install EPEL repo in CentOS 5.x , 6.x / RHEL 5.x, 6.x / Scientific Linux. EPEL stands for Extra Packages for Enterprise Linux which is a repository of Red Hat based packages.EPEL repository is part of fedora project supported by volunteers and contributers.You can know more about…
In this practical we will learn,how to reset forgot root password in CentOS 6.x and Redhat 6.x. We are doing this practical in CentOS 6.x and it is also applicable to Red Hat 6.x.To reset the root password we will boot the linux system in Runlevel 1 also known as single user mode. Note: The…
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…
In this tutorial we will learn how to install Ubuntu font family for individual user in CentOS/Red Hat. In our last post we have already described about how to install Ubuntu font family system wide. To Add/Install Ubuntu font family for an individual users in CentOS and Red Hat Step A: Create a .fonts directory…
Introduction In this tutorial we will learn, how to add/install Ubuntu fonts in CentOS/Red Hat Linux. The Ubuntu fonts are very popular in typography. The Ubuntu fonts are funded by Canonical . Its wonderful design work and implementation has been taken care by Dalton Maag . To know more about Ubuntu Fonts, here is the…
In this post I am sharing the tip, how to make rm -fr command to be interactive. As we know if you hit the command rm along with switch -fr ,it will remove the files and directory recursively. Sometimes because of human mistake any important file or directory can be removed. When you hit the…
In this post I am sharing the command to remove files and folder from git repo.The command will remove files from the working tree and from the index. Note: Before removing any files and directory it is always a good practice to keep the backup of the data.Hence suggesting to first take the backup of…