Linux, Ubuntu, Debian, Mint, CentOS Tutorials
Linux and other operating systems provide the ssh-keygen command in order to generate SSH keys. SSH keys consist of a key pair which are called Public Key and Private Key. These cans can be used to automatic or passwordless certificate-based login to the remote SSH server.
Shell scripts are an important part of Linux systems. Most of the daily jobs and general jobs are done with shell scripts. The ShellCheck is a static analysis tool created to analyze the provided shellcode and give suggestions for better shell scripts and show warnings for some errors. The ShellCheck can be installed into all … Read more
Linux provides the scp command in order to copy files and folders in a secure way. The scp command can download or upload directories to or from a remote system. The scp command is integrated with the SSH command and subsystem. So in order to use scp command to copy a directory, SSH should be … Read more
Linux kernel is the core of the Linux operating system and distributions. Linux kernel is the lowest level of the operating system and provides different system resources and services to the user level. these resources may have a different configuration where sometimes they may change. The sysctl command is used to list, set, and update … Read more
The zsh is a shell provided by Linux distributions. Even though it is not much popular as bash it has a geek user base. The oh-my-zsh is a popular tool used to manage the zsh shell configuration in an easier and more configurable way. The Oh My Zsh is open source and a community-driven framework … Read more
Apache or Apache2 is a popular web server software used by millions of websites. Apache webserver can run PHP web applications and is generally used as Linux+Apache+MySQL+PHP formula in order to create a full-stack web application. Apache Web Server is a service that may be required to restart in different cases. Why Restart Apache Web … Read more
Linux provides the wget command in order to download files from the network and internet. The wget command is very popular amongst Linux users as it supports a lot of different protocols like HTTP, HTTPS, FTP, etc. As a command-line tool, the wget is called from the bash and when we try to run the … Read more
Wireshark is a network sniffing, packet capture, and analysis tool. It is a very popular free and open-source tool that is initially released in 1998. Originally it was named “Etheral” but in 2006 named “Wireshark”. Even Wireshark is a cross-platform tool that is supported by Linux, Windows, MacOSX, Android, and BSD it was initially created … Read more
Ubuntu is used by a lot of users around the world. It is the most popular Linux distribution and a lot of users prefer it for its easiness, support, and simplicity. An Ubuntu system can be used by multiple users and new users can be added in different ways via command-line interface or GUI. In … Read more
The Extra Package for Enterprise Linux or EPEL is a repository that contains extra packages for RPM-based distributions for RHEL, CentOS, and Fedora. EPEL packages are created and maintained by the EPEL Special Interest Group. The EPEL repositories provide high-quality software packages about sysadmin, programming, monitoring, and software development. Install and Enable EPEL For CentOS, … Read more