File Permissions in Linux with Examples in 2023

File Permissions in Linux: Clear Examples and Practical Guide (2023)

Erfan Linux October 1, 2023
File access permissions are crucial in ensuring the security and health of Linux operating systems. Those using Linux must be familiar with setting, changing, and managing file access permissions. For this reason, we decided to…
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How to Block Port Scanners in MikroTik: Practical Security Guide

Erfan Mikrotik September 30, 2023
Open network ports are golden opportunities to launch hacker attacks. If you don’t do the necessary things to protect your Mikrotik router and network, you can be sure that hackers can easily take advantage of…
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How to Use Port Knocking To Secure SSH Service (Debian/Ubuntu)

How to Use Port Knocking To Secure SSH Service (Debian/Ubuntu)

Erfan Linux, Ubuntu September 28, 2023
At the beginning of reading the article, you may have a question about what SSH is and what its uses are. So, we will start with a brief explanation of the concept of SSH and…
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Linux

Want a Successful Business? Focus on Linux: Key Benefits and Opportunities

Erfan Linux September 23, 2023
The Linux job market has attracted the attention of many people these days and has caused many people to seek learning in the field of Linux. There are many jobs in the IT field that…
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How to Clear Command History in Linux

How to Clear Command History in Linux: A Step-by-Step Guide

Erfan Linux September 20, 2023
It is normal to use multiple commands in the Linux environment. These commands, which may contain sensitive and vital information, can accumulate in the ‘shell history’ section and interfere with recording data in the history.…
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How to Set Mikrotik Date and Time Using NTP: Step-by-Step Guide

Erfan Mikrotik August 20, 2023
Maybe setting the time and date in Mikrotik is one of the easiest things you can do with the Winbox tool, but the importance of this issue is very high for the proper functioning of…
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How to use Nano Editor in Linux (Ubuntu/Debian/CentOS)

How to Use Nano Editor in Linux (Ubuntu/Debian/CentOS)

Erfan Linux August 12, 2023
In Linux environments such as Ubuntu, Debian, and CentOS, one of the basic tasks of users is to edit files and text. Editors play a very important role in this process, and choosing the right…
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Traceroute

How to Perform a Traceroute on MikroTik RouterOS

Erfan Mikrotik August 10, 2023
You can use Mikrotik’s Traceroute tool to check the path the packet takes in the network to reach the destination and which routers are on this path. Checking package paths, troubleshooting path problems, and checking…
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How to Limit Bandwidth Mikrotik Router with Queue

How to Limit Bandwidth on MikroTik Router with Queue – Step-by-Step Bandwidth Control

Erfan Mikrotik August 5, 2023
There is an unwritten rule about people who buy Mikrotik virtual servers: Most of them buy them for bandwidth management. People with this goal want to control and monitor network traffic well. One of Mikrotik’s…
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The Linux cp Command – How to Copy Files in Linux

Mastering the Linux cp Command: A Complete Guide to Copying Files and Directories

Erfan Linux July 20, 2023
If you are new to Linux and don’t know how to copy files, use the cp command. The cp command in Linux is a powerful tool that allows you to copy files and directories. This…
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