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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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| by Arround The Web

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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| by Arround The Web

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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| by Arround The Web

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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| by Arround The Web

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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| by Scott Kilroy

4 ways to hide your identity using linux

Being able to change your IP address and other network information is a useful skill because it will help you access other networks while appearing as a trusted device on those networks. For example, in a denial­-of­-service (DoS) attack, you can spoof your IP so that that the attack appears to come from another source, […]

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Setting up a Basic File server Using simpleHTTPserver

Introduction In this article we will demonstrate a quick and easy method to use your local system as a basic File Server using simpleHTTPserver. The SimpleHTTPServer is a built in module that comes available with the default Python installation on a YUM based system. It is a simple HTTP server that provides standard GET and […]

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Ansible playbook to replace multiple lines in a file

Introduction Commands like sed and awk allow us to harness the power of regular expressions to search for text-based patterns in files and manipulate the matched text as per our requirement. The thing about regular expressions is that they are confusing. To the new Linux user, regular expressions may as well be another language. Although […]

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Using Seashells to display terminal output to a web browser

Introduction Having the ability to display your terminal output to a web browser would be a neat feature to have. In this article, we will be discussing a tool named Seashells that does exactly that. Seashells lets you pipe output from command-line programs to the web in real-time, even without installing any new software on […]

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| by Scott Kilroy

How To Install Kali Linux in Virtualbox

In our previous article, we have discussed about how to download the kali linux image file and how to install virtualbox. Now let’s get you started with the virtual machine. Step 01 : Open Virtualbox VirtualBox should open once it has installed. Now you should be greeted by the VirtualBox Manager Step 02 : Create […]

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| by Scott Kilroy

Kali Linux : The OS That Hackers Use

If you are familiar with cyber security stuff, you must have heard about kali linux. Kali linux is a operating system developed by offensive security and it was specifically targeted for penetration testers. This linux distribution is built on Debian and it comes pre installed with many more security tools. In this guide, we will […]

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| by Scott Kilroy

How to monitor user activity in Linux with Acct

Acct is an open source application that we can use to monitor user activity in Linux. This tool comes with the functionality of running in the background and tracking user activity. It also reports what are the system resources are being consumed by the users. In this guide, we will see how to install and […]

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Install and use pip for python package management in Linux

Introduction Python is one of the most popular scripting languages in use today and due to its wide user base and community support, it has thousands to of modules available which help to add to its existing functionality. The version of python that comes pre-installed with Linux distributions has some modules already available. Modules for […]

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