Category: Debian

How to disable Ipv6 on Ubuntu, Linux Mint, Debian

So if ipv6 is not supported on your network infrastructure, it might be useful to disable it all together. Why ? It can cause issues like delayed domain lookups, un-necessary attempts to connect to ipv6 addresses causing delay in network connection etc.

Source: How to disable Ipv6 on Ubuntu, Linux Mint, Debian (BinaryTides)

(This is also applicable to a Raspberry Pi running Raspbian, or some other Debian derivative such as RasPBX)

Build your own NAS with OpenMediaVault

OpenMediaVault is a Debian based special purpose Linux Distribution to build a Network Attached Storage (NAS) System. It provides an easy to use web-based interface, Multilanguage support, Volume Management, Monitoring and a plugin system to extend it with LDAP, Bittorrent, and iSCSI capabilities. This tutorial describes the installation and configuration of OpenMediaVault.

Source: Build your own NAS with OpenMediaVault – Howtoforge

Link: How to Install and Configure NTP (Network Time Protocol) Server/Client in Debian Linux

Network Time Protocol (NTP) presents an unique ability for companies to synchronize the clocks of all the systems within the company. Time synchronization is important for many reasons ranging from application time stamps to security to proper log entries. When an organization’s systems all maintain different clock times, it becomes very difficult from a troubleshooting standpoint to determine when and under what conditions a particular event might be occurring.

NTP provides an easy way to ensure that all systems will maintain the correct time which in turn can greatly simplify the burden on administrators/tech support.

Full article here:
How to Install and Configure NTP (Network Time Protocol) Server/Client in Debian Linux(Tecmint)

Link: Linux Basics: How To Check If A Package Is Installed Or Not In Ubuntu

If you’re managing Debian or Ubuntu servers, probably, you may use dpkg or apt-get commands often. These two commands are used to install, remove, update packages.

In this brief tutorial, let us see how to check if a package is installed or not in DEB based systems.

Full article here:
Linux Basics: How To Check If A Package Is Installed Or Not In Ubuntu (Unixmen)

Link: How To Add Launchpad PPAs In Debian Via `add-apt-repository` Command

“add-apt-repository” is an Ubuntu-specific script to add or remove repositories which, among others, automatically imports the public GPG key. For more information, see its man page.

You can use “add-apt-repository” in Debian to add Launchpad PPAs however, there are a few things that you should know. Read on to find out how to use “add-apt-repository” in Debian.

Full article here:
How To Add Launchpad PPAs In Debian Via `add-apt-repository` Command (Web Upd8)

Link: How to Setup a Complete Mail Server (Postfix) using ‘SquirrelMail’ (Webmail) on Ubuntu/Debian

Creating a mail server on Linux powered machines can be one of the most essential things that every system administrator needs to do while configuring his servers for the first time, if you don’t know what it means; it’s simple, if you have a website like “example.com”, you can create an email account like “username@example.com” to use it to send / receive emails easily instead of using services like Hotmail, Gmil, Yahoo Mail.. etc.

In this article, we’ll learn how to do so by installing the Postfix with “SquirrelMail” webmail application and its dependences on Debian/Ubuntu machines.

Full article here:
How to Setup a Complete Mail Server (Postfix) using ‘SquirrelMail’ (Webmail) on Ubuntu/Debian (Tecmint)

Link: Monitorix – An Open Source, Lightweight System Monitoring Tool For Linux

Monitorix is a free, Open Source monitoring tool that can be used to monitor as many services and system resources as possible. Unlike other monitoring tools, it is very simple to install, configure and monitor the systems. Initially, it was developed to support only the RPM based systems such as Red Hat, CentOS etc., but, later it is expanded its support to other distributions like Debian/Ubuntu, and BSD systems such as FreeBSD, NetBSD, and OpenBSD.

Full article here:
Monitorix – An Open Source, Lightweight System Monitoring Tool For Linux (Unixmen)

Link: Debian-goodies: A must-have Set of Utilities For Debian/Ubuntu Administrators

Are you a Debian/Ubuntu Administrator or a regular user, then you may use the dpkg and APT commands often. These commands are used to install, remove, update or upgrade a package or the whole system. Mostly, we use the above two tools only for our day to day operations, But believe me, there are many useful commands are exist that most users aware of.

If you want to know which packages occupy the most disk space, or which package might have broken another, or to get a most recent version of a package, or just to get a particular version of a package, then you probably need Debian-goodies.

Full article here:
Debian-goodies: A must-have Set of Utilities For Debian/Ubuntu Administrators (Unixmen)

Link: Finding Orphaned Packages Using Deborphan And Rpmorphan

Are you troubling with full of unused packages that occupies more space and slow down your operating system performance? Well, you should try these two awesome utilities that help will you to easily find and remove the orphaned packages on your hard drive.

Well, What is an Orphaned package? Simple, Orphaned package is an unwanted package which is no longer necessary. As you may know, whenever you install a package, it will install along with other packages(dependencies). After removing the package, not all the dependencies will be removed completely. Some dependencies might still exist and dumbs the hard drive space after removing a specified package.

In this tutorial, We will discuss how to find and remove the orphaned files in Debian, and RHEL based systems.

Full article here:
Finding Orphaned Packages Using Deborphan And Rpmorphan (Unixmen)