I was surprised to find that apt update refreshes package indexes but does not update installed software. apt upgrade applies available upgrades without removing installed packages. Explore what package management does on Linux. You can use that as your starting point for understanding your distribution’s package manager. What package management does on Linux Linux package
Package Management on Linux: A guide Read More »
That loopback limit catches my attention: a remote viewer cannot connect directly to the server’s public address because TigerVNC is limited to localhost. The SSH tunnel forwards viewer traffic to the server’s loopback address, while VNC stays on loopback. The next step is to look at the session TigerVNC creates on Debian. That gives you
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A file’s name on Linux doesn’t always tell you what’s inside, since a file ending in .dat can hold plain text. The file command looks at the contents and tells you what kind of data the file holds. I’ll show you how to check one file or many at once, and how to get output
File command in Linux Read More »
-y used to display differences in files side by side -s Report when two compared files are identical -r If a directory is specified, this option will compare any subdirectories found. -i Since Linux is case sensitive, this option will ignore all case sensitive differences. -B Ignore blank lines and don’t show them as differences
How to Use the diff Command in Linux? Read More »
Your Ubuntu machine’s clock needs to stay correct, and the time zone setting only changes how that time is displayed. Time synchronization corrects the clock itself by checking it against time servers on the network, through a time client such as chrony. You’ll find which time client your system runs and set it up. What
How To Set Up Time Synchronization on Ubuntu? Read More »
People use the word Linux both for a core piece of software and for a whole operating system like Ubuntu. That core piece, the Linux kernel, connects your programs to the computer’s hardware, and a distribution bundles it with the desktop and apps you work in. In this piece, I’ll explain how the kernel and
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Choosing a Linux system to install means picking a distribution, and Zorin OS is one built on Ubuntu. It takes Ubuntu’s long-term-support base and adds Zorin’s desktop layouts and bundled apps, in free and paid editions. I’ll go through what each edition includes and the hardware it needs, so you can pick the right download.
What Is Zorin OS? Its Ubuntu Base, Editions, and Requirements Read More »
When a website won’t load or a server stops answering, the first thing to check is whether your computer can reach that machine at all. The ping command checks that by sending small test messages and timing the replies. I’ll show you how to run ping, read what it prints, and what a reply does
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Every command you type in a Linux terminal is read by a program called the shell, and Linux has more than one shell to choose from. The shell interprets what you type and starts programs, while the terminal window only displays the session. You’ll see how the Linux shells differ, from sh to zsh, and
Types of Shell in Linux: Understanding Your Command Line Options Read More »
To move files between your computer and a remote server, Linux has an ftp command. It connects to a File Transfer Protocol (FTP) server and gives you a prompt for browsing the server’s folders and transferring files. This guide covers moving files with get and put once you’re connected, and why plain FTP shouldn’t carry
How to use the FTP command in Linux? Read More »