A sparse file is a type of computer file that has holes in it. These holes don’t contain actual data. A spare file only allocates disk space for the data that are actually stored. This allows a sparse file to…
Here are five commands that we can use to troubleshoot network issues in Linux. ifconfig: the ifconfig command is used to view and configure network interface parameters. netstat: The netstat command is used to display network connections, routing tables, and…
The cd command is used to change the current working directory. When using the cd command with arguments, you can use either absolute paths or relative paths as arguments for the command. Absolute paths begin at the root of the…
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…
The SSH option StrictHostKeyChecking is a security feature that affects how SSH verifies the identity of a remote computer when connecting to it. It determines whether strict host checking is enabled or disabled. When this option is enabled, the client…
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. The error message “ssh: Could not resolve hostname [name]: Name or service not known” indicates that the SSH…
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…
I was recently tasked with solving a tricky disk performance issue on a Linux server. At first, I thought it would be a straightforward task. After all, I had been working in IT for several years and had seen my…
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…
The “ifconfig: command not found” error typically means that the ifconfig binary is not installed or the path of the binary file is not under the $PATH. So we can use the following 3 ways to fix this issue. …
