When a network setting changes on Ubuntu, the effect can apply to the whole system or just one saved connection. IPv6 is the newer Internet Protocol Ubuntu can use alongside IPv4 to address devices and route traffic. I’ll show you how to test a temporary change and choose a system-wide or connection-specific way to disable
How to Disable IPv6 in Ubuntu Read More »
An installer for another operating system gives you a way to try it without replacing the Ubuntu system on your computer. VMware Workstation Pro runs that system in a virtual machine hosted by Ubuntu. I’ll explain how to install Workstation on Ubuntu and what to check if its host modules fail to start. TL;DR: Install
Ubuntu VMware Workstation Pro Installation Read More »
An Ubuntu repository tutorial can stop before it adds a source if the terminal cannot find add-apt-repository. add-apt-repository is Ubuntu’s helper for adding or removing a software source. I’ll show you how to install the package that supplies the helper and check whether your shell can find it. TL;DR: Fix the Missing Repository Command Install
Sudo add-apt-repository: Command Not Found Read More »
You have a message to send from an Ubuntu terminal, along with a file to attach. GNU Mailutils is a command-line mail client that can send a message with a file attached. I’ll show you how to check the attachment option available on your system and send an email with a file attached. TL;DR With
Sending Email With Attachment in Ubuntu CLI Read More »
When APT cannot find a package you expect to install, its enabled sources may not include the Ubuntu component that contains it. The Universe repository is an Ubuntu archive component for community-maintained free and open-source software. This article shows how to enable Universe from the terminal or Ubuntu Desktop, then refresh APT’s package indexes. TL;DR:
How to Enable the Universe Repository in Ubuntu Read More »
When you move an application to another server, you need a way to carry its database with it. mysqldump creates a text-based SQL backup that the mysql client can import on a server. This article explains how to choose which databases to include and how to restore a plain or compressed dump. TL;DR Use mysqldump
How To Backup Single and Multiple MySQL Databases? Read More »
On Fedora and other systems that install software as RPM packages, a program you no longer need is removed through the same package manager that installed it. Running yum remove takes the package out, and yum shows you every package it plans to remove before anything changes. The steps below cover finding a package’s exact
How to uninstall packages using YUM command on Linux? Read More »
When an unwanted command sits at history number 262, deleting an earlier entry can move it to a new number. I’m fascinated by that shift: Bash numbers positions in a live list, not permanent command identities. Have Bash display the numbered entries in its active list. See how the session list relates to the file
How to delete a single command from history in Linux? Read More »
`ls -lh` can leave `backup.img` halfway down the screen because the names set the order. I’m curious to see how that same directory reads when size calls the shots. A size-ranked listing points you to an entry to inspect without turning the directory into one disk-usage total. GNU `ls -S` starts by ordering the entries
How to Sort Files By Size in Linux? [Command Line] Read More »
A fresh Ubuntu Server boot can leave you at a login prompt with no desktop to open. I’m curious how that shell-only machine becomes a familiar Ubuntu session without confusing an installed desktop with a visible one. You’ll get a GNOME session you can reach through the machine’s display, not just a new prompt in
How to Install GNOME on Ubuntu? Read More »