2 Easy ways to fix cd: Permission denied

If you’re getting an error like “cd: Permission denied” when trying to change directories in Bash, don’t worry, you’re not alone. This is a common issue that can be fixed fairly easily. In this blog post, we will discuss two ways to fix the cd: Permission denied error. Hopefully one of these methods will work […]

Understanding SSH StrictHostKeyChecking Option

The SSH option StrictHostKeyChecking is a security feature that affects how SSH verifies the identity of a remote computer when connecting to it. When this option is enabled, the client will automatically reject any key from the server that does not match the one stored in its known_hosts file. This helps protect against man-in-the-middle attacks, […]

3 ways to fix ssh: Could not resolve hostname Name or service not known

If you’ve been getting the error message “ssh: Could not resolve hostname Name or service not known,” don’t worry, you’re not alone. This is a common problem that can be fixed in a few simple steps. In this blog post, we will discuss three ways to fix the ssh error message. We will also provide […]

Solving a Networking Issue on Linux in 20 minutes

Recently, the network at my workplace went down for a few minutes. I was tasked with investigating the issue and found that one of the network cards had failed. Step by Step guide to Troubleshooting network issue I started by checking the status of the network interface: ifconfig eth0 The output showed that the interface was […]

Step by Step Guide to troubleshoot a network issue in Linux

Troubleshooting a problem related to Linux networking can be a challenging experience, but it doesn’t have to be. By understanding the basic principles of Linux networking and having an organized approach, you can quickly identify and resolve any issue that arises. Check network configuration with ifconfig or ip command The first step in troubleshooting a […]

3 Ways to fix ifconfig command not found in Linux

If you’re having trouble with the ifconfig command not found in Linux, don’t worry – you’re not alone. This is a common issue that can often be fixed quite easily. In this blog post, we will discuss three ways to fix this problem. We will also provide some tips on how to avoid it in […]

10 Linux Interview Questions about networking You Need to Know

Networking is an essential element of any Linux interview. Employers want to know that potential employees can establish and maintain secure connections in a networked environment. What you should prepare for the interview? Being able to troubleshoot networking issues, and configure basic networking services are just some of the skills employers look for when interviewing […]

6 performance tools you should know in Linux

In Linux, there are many tools available for performance analysis and monitoring. In this article, we will introduce 6 of the most commonly used tools. top – display cpu memory process info in Linux The top command is one of the most commonly used tools in Linux for monitoring system performance. By default, it displays […]

Top 60 Linux Interview Questions and Answers

In this blog post, we will provide you with the top 60 Linux interview questions and answers. This information is essential for anyone looking to start a career in Linux or for those who are already working in the field and want to take their career to the next level. We have divided the questions […]