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sudo command not found error means sudo package is not installed or PATH variable does not include sudo’s directory. To fix this bash error, you can install sudo in linux using apt install sudo command (apt package manager for Debian-based distributions).

Linux Server administrators To fix server security issues and keep data safe, need to know which TCP and UDP ports are open in Linux os and distributions like Centos,Ubuntu,RHEL,Debian with use this commands (ss-lsof-netstat-nmap-netcat).

In the digital developing world, data security comes first. Sensitive data must be encoded into encrypted to be protected. Encrypt disk in Ubuntu ensures that important data will be saved if the storage fails or is stolen.

Sometimes, seasoned Linux users need to review running processes in order to make changes, review the information of a process, or kill the process. On the other hand, Linux newbies will be in need of the ps command sooner or later.

File systems play a crucial role in organizing, storing, and retrieving data on storage devices, and the failure of file systems can have irreparable consequences. As a Linux system administrator, you should prioritize the maintenance and health of the storage system and enhance your knowledge in this area. The powerful command-line tool fsck (file system […]

The Access Denied errors usually occur when the server believes you are not permitted to take your considered action. One of these situations is when logging in to the MySQL server. In this article, you will learn How to fix MySQL Error 1045 and be able to access your database files. Not having the correct […]

Linux Terminal is a valuable advantage because it is a powerful component of Linux, making Linux system management more flexible and efficient for administrators. That’s why most experienced and expert Linux users prefer using the terminal to interact with and manage the Linux system over a graphical user interface (GUI). While using the Linux terminal […]

LVM, short for Logical Volume Manager, is a virtualization technology for disk and storage management in Linux. LVM provides a dynamic and flexible solution for managing volumes and storage devices, allowing users to tailor storage space management to their specific needs. LVM is utilized to facilitate and improve the creation of logical volumes, manage disk […]

To change DNS server in Windows may be it if you are seeking a solution to solve your internet connection problems. DNS servers are set automatically in Windows to connect to the local network. This is why changing them can lead to troubleshooting your internet connection problems. There are several reasons why it’s better to […]

Django is a free and open-source framework written in Python that is designed to help developers, governments, top technology companies, and organizations develop their websites and applications. In this article, you will learn How to Install Django on Ubuntu through four different methods. As the most popular framework, Django is used in the development of […]

If you are a team member and connected to a network where devices are running different operating systems, sharing files, printers, and various resources between different computers on the network is likely to be challenging for you. Undoubtedly, this problem has been annoying for you, and you have made many efforts to find a solution. […]

Sometimes, a Mikrotik administrator must block social media websites like Facebook, YouTube, Twitter, Telegram, Netflix, etc. Also, it is sometimes required to block all websites except one. This article covers three different methods to Block Website on Mikrotik. In contrast to other firewall devices, MikroTik Firewall automatically permits all websites. Therefore, you must construct a […]