As a Linux user, or as a server administrator, you need to regularly understand how long your servers have been up and running to understand their patch levels. What that means is that if a major update was recently rolled out, but a server has been up for a few weeks, you know that the […]
The uptime Command in Linux Read More ยป
The root user enjoys the privilege of being able to access just about anything in the Linux system. While disabling root login is an authentication strategy that might boost security, people still debate whether it’s truly effective or not. Don’t worry, in this tutorial we’re going to walk you through different ways to prevent root
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The tail command in Linux displays the last few lines/blocks of any file, the number of lines/blocks being dependent on the options passed when using the command. Also read: The uptime Command in Linux The Linux tail command default output When no options are provided, the tail command prints the last 10 lines for all
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NOTE: Before reading this article, I would like to inform you that the ifconfig command is outdated, and is not recommended anymore. The ip command is the current replacement for the ifconfig command. Even though this program may be outdated, you may be in a system where you may need this command, so I’ll start
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With the introduction of Ubuntu 16.04 LTS, the “apt” command started being noticed by bloggers and average Linux users. Every Ubuntu-based tutorial that popped up on the internet used apt install instead of what we were normally used to seeing, i.e. apt-get install. Let’s see what exactly the apt command is, and why a new
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The touch command in Linux is used to update timestamps on files, namely, the access and modification time for any file(s). This is basically ‘touching’ the file, and hence the name of the command. This command has different options through which we could modify certain timestamps for the files provided as arguments. 1. Using touch
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There are multiple ways of setting hostname in Debian or Linux system. You can temporarily change the hostname, or permanently apply the changes to a system. Let’s go over these methods. Setting hostname temporarily Let’s start with the temporary and simple method. The hostname command in Debian allows you to set up the system hostname
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The cat and the more commands are used to display the contents of a file or files on the terminal in Linux. Both commands have similar functionality but are still different. How are they similar as well as different at the same time? Let’s find that out now. 1. The cat command Short for concatenate,
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The Debian repository already has a VirtualBox package for us to directly install on our systems. But it’s a version older than the latest official release. As of this writing, the version available in the apt sources is 5.2, while the latest one is version 6.1. So let’s see how we can go about installing
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The mv command in Linux allows you to move a file from one location to another. Also, we don’t really have a rename command in Linux. Instead, we move files from one name to another. This is facilitated by the “mv” command which stands for move. For basic usage, you will find it very straightforward
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