How to install gksu in Linux Mint 19 or Ubuntu 18.04?

Let's not debate about the dangers of using gksu on GUI based desktop applications. Let's not talk about the merits of removing it from the latest Debian, Ubuntu and Linux Mint versions either! Linux is about choice, independence, and expertise. And sometimes a bit of risk taking. Today, we are going to apply that freedom of […]

PBX On The Go: A How-To Worth Knowing

Disclaimer: This is part of a "NerdVittles" article. We have reproduced it here (under fair use copy rules) as a safekeeping copy for our own sake as we do fiddle our portable Asterisk PBX as we travel. Absolutely all rights, credits, etc. for this material belong to him. We do not make any claims whatsoever […]

How to improve Citadel Mail Server’s performance?

One easy way to improve Citadel Mail's performance is to allocate it its own storage space on a separate disk sub-system. In large or heavy-use environment, the improvement will be quite significant. Placing the databases and/or database logs on a separate disk, or disk array is easy if you follow through the steps below: Here are […]

How to disable IPv6 on Linux Mint 18.x and Ubuntu 16.04?

If you want to completely disable IPv6 on your Linux Mint or Ubuntu system, proceed as follows. First, edit the file called 99-sysctl.conf (which is actually /etc/sysctl.conf). sudo nano /etc/sysctl.d/99-sysctl.conf Insert the following three lines to the bottom of the file: net.ipv6.conf.all.disable_ipv6 = 1 net.ipv6.conf.default.disable_ipv6 = 1 net.ipv6.conf.lo.disable_ipv6 = 1 Second, save your changes and close the […]

Automated Snapshot Backups with Rsync

Disclaimer: The following material, 14 year old yet quite current, was taken verbatim from Mike Rubel - the original author's website to whom all authorship rights belong. As we find the information contained in his write-up quite didactic, and because often the author's website is unresponsive, when we could, we decided to replicate it in […]

How to access and troubleshoot an LVM volume from a Linux Mint live disk?

This is a simple method to access files stored on a logical volume: Boot Linux Mint 18.3 live CD or flashdisk Install lvm2 by running the following command in a terminal window: $ sudo apt-get install lvm2 Load the necessary module(s): $ sudo modprobe dm-mod Scan your system for LVM volumes and identify in the […]

How to run your Linux Mint Desktop without a monitor attached?

There are times when a Linux Mint system is used without a monitor attached to it. For instance, it could be that the machine is being used as a VirtualBox host, and it can be remotely accessed via VNC. The following steps would allow such a configuration to work properly: Installation of a Dummy Display […]

How to Install IncrediblePBX on Ubuntu 18.04?

Today we'll install IncrediblePBX on a legacy netbook computer. Our hardware is made by Acer. It's probably about 10 years old. It has an Intel Atom D270 CPU which is definitely not a 64 bit device. According to some literature it is a 32 bit CPU with 64 bit extensions. But thus far no 64 […]

How to successfully install and run pfSense 2.3.x and 2.4.x on Zotac CI327 ?

Running pfSense 2.3.x or 2.4.x on Zotac CI327 is not without some odd problems. One particularly annoying issue is that on the main console window the following sequence of messages appears every few seconds due to unrecognized hardware and/or missing device drivers in FreeBSD 10 and 11. Depending on the version of pfSense/FreeBSD it either freezes (2.4.x/FBSD11) […]

How to Load & Unload Modules in Linux Kernel?

Note: The material below was taken, almost verbatim, from an internet site. All credits go to the original author. We only made some adjustments and corrected typos. There may be times when you need to be able to load or unload a specific module into and/or out of the Linux kernel. Why? Let's say you're […]

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