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19 Absolute Simple Things About Linux Terminal Every Ubuntu User Should Know

This article focuses on explaining small, basic, and often ignored things about using the terminal. This should help new Ubuntu desktop users to know the terminal and use it with more efficiency.
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find: 25 Basic find Commands to Search for Files in Linux with Examples

The find command in Linux/Unix is known to be one of the most important and frequently used commands for searching files and directories. It supports different arguments and options for finding files and directories. Even if you can find files and folders in Linux via GUI it will be more friendly and easier to use, […]

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20 Commands for Newbies Who’ve Just Switched from Windows to Linux

From my past experience when I was new to Linux, its commands and terminals really scared me. I was worried about the commands, especially as to what extent I have to remember and memorize commands to get myself fully functional with Linux. No doubt online documentation, Linux books, man pages, and user community helped me […]

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Linux for Starters: Your Guide to Linux Part 14 – Maintain your System

Like any operating system, Ubuntu can misbehave and the unexpected happens. Fortunately, most system issues experienced are easily rectified with a dose of knowledge, experience, and common sense. Sometimes issues are caused as a result of neglecting system maintenance. For example, you may run out of hard drive space, or your system becomes clogged up […]

The post Linux for Starters: Your Guide to Linux Part 14 – Maintain your System appeared first on Linux Today.

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Learn the Networking Basics Every Sysadmin Needs to Know

Networking is one of a sysadmin’s most important duties, so make sure you have the essentials covered.
The post Learn the Networking Basics Every Sysadmin Needs to Know appeared first on Linux Today.

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Google Cloud basics: Activate Cloud Shell

Introduction Google CLoud like it’s popular contemporary cloud vendors offers a means to manage cloud resources via the command line. The folks at GCP refer to this command line interface as cloud shell and it uses the gcloud sdk. One of the benefits of using cloud shell is that it can be launched directly from […]

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Create persistent swap partition on Azure Linux VM

Introduction Swap space is storage on a disk device that is used when the system’s RAM (physcial memory) is full. When a Linux system runs out of RAM, inactive memory pages are moved from the RAM to the swap space. Swap space can take the form of either a dedicated swap partition or a swap […]

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DNF, YUM and RPM package manager comparison

Introduction We have been using the yum or rpm package management tools for a while for managing packages in Redhat, Centos and other distributions which have been forked from RHEL. Yum has been the default package manager since Redhat Enterprise Linux 5 onwards. Before yum, RHEL systems had been using the up2date software management program. […]

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Introduction to the aptitude package manager for Ubuntu

Introduction In our ongoing series of articles covering various software management tools, we have already covered, dpkg,apt-get and apt. In this article, we’ll cover the aptitude tool for package management on our Ubuntu 16.04 system. The aptitude command is a very useful, text-based utility for managing packages on your server.  Some administrators use it as […]

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zypper package management tool examples for managing packages on SUSE Linux

Introduction The zypper package management tool performs the same function for SUSE Linux as yum and apt perform for RedHat and Debian based systems respectively. SUSE (Software and System Entwicklung (Germany) meaning Software and System Development, in English) Linux runs on top of the open-source Linux kernel. The SUSE Linux distribution is available in two […]

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APT-CACHE and APT-GET commands for package management in Ubuntu

Introduction In an earlier article, we demonstrated how you could use the dpkg package manager to install, remove and query information about software packages in the Ubuntu OS. In this article, we will show you how to use apt-cache to search for and query information about packages available in online and local repositories and we […]

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APT-CACHE and APT-GET commands for package management in Ubuntu

Introduction In an earlier article, we demonstrated how you could use the dpkg package manager to install, remove and query information about software packages in the Ubuntu OS. In this article, we will show you how to use apt-cache to search for and query information about packages available in online and local repositories and we […]

The post APT-CACHE and APT-GET commands for package management in Ubuntu appeared first on The Linux Juggernaut.

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12 DPKG command examples

Introduction The package manager for Debian and distros derived from Debian is called dpkg or Debian package. As users, we can use dpkg directly or use higher level programs like apt(advanced package management tool) which gives us a few more features. Utilities such as dpkg-deb and dpkg-query use dpkg as a front-end to perform some […]

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Installing Nagios on Centos 7

Introduction Nagios is an extremely popular open source monitoring and alerting tool. The name nagios is an offshoot of an older system called ‘net saint’. Although Nagios has it’s limits and is not an all in one solution but provides a considerable feature set nonetheless. The monitoring platform is available in two variants: Nagios core […]

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apt command examples for package management in Ubuntu

Introduction In our earlier articles on package management for Debian bases distributions, we’ve covered dpkg, apt-get, and apt-cache tools. In this article, we will cover the apt tool for managing packages on our Ubuntu 16.04 system. The command line options for apt are very similar to those available with apt-get and apt-cache because apt encompasses […]

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Setting up a local repository on Ubuntu 16.04

Introduction Having packages available locally is helpful in a number of situations. Your organization might be using certain packages which are not available on public repositories. You might also be building your own debian packages and would prefer to have them available locally on the system. In this article, we will show you how to set […]

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Creating namespaces in Linux using unshare

Introduction In a previous post, we talked about how kernel namespaces and cgroups form the building blocks of containerization in Linux. In this article, we will explore namespaces in more depth by demonstrating some examples of creating namespaces using the unshare command.Namespaces use the clone(), unshare() and netns() system calls to allow different process hierarchies […]

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Using rubygems for managing ruby packages in Linux

Introduction Ruby has become a popular and powerful programming language over the years since its inception in 1995. The Ruby programming language is the foundation for the popular web development framework Ruby on Rails. Increased popularity implied increased user base and increased functionality. So, ruby packages or gems were introduced to add additional features to […]

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Merging git branches on the command line and GitHub

Introduction In our previous articles on git branches we explained what are branches in git terminology. Branches provide a means to have a working copy of our code available in the master branch while we continue to make changes to it in a different branch. We also practically demonstrated how to create branches and work […]

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4 ways to identify your current shell (if it’s bash)

Introduction Knowing which run you are using on your system is an important piece of information. Your shell determines your login environment to a large extent as it controls which environment variables get exported, your shell prompt etc. On a Linux system it’s almost certain that you will using the bash shell unless the system […]

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