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Deepin 2014.2 review

Deepin 2014.2 review

March 25, 2015 at 10:29 pm

Deepin 2014 was a major release of Deepin (formerly Linux Deepin), a desktop distribution developed by some good folks in China. Though based on Ubuntu Desktop, the distribution...

  • PC-BSD 10.1.1 Cinnamon review
    PC-BSD 10.1.1 Cinnamon review

    The last PC-BSD release I reviewed was PC-BSD 10.1. And that was actually just late last year. You may read that...

    February 7, 2015 at 10:59 pm
  • PC-BSD 10.1 review
    PC-BSD 10.1 review

    The last PC-BSD release I reviewed was the 9.1 edition, and that was back in December 2012 (see PC-BSD 9.1 preview)....

    November 24, 2014 at 8:43 pm
  • Kubuntu 14.10 review
    Kubuntu 14.10 review

    The last time I reviewed a Kubuntu release was back in November 2011 and that was Kubuntu 11.10 (see Kubuntu 11.10...

    November 20, 2014 at 2:12 am

News & Tutorials

Android on a Stick, or how to install Android-x86 on a USB stick

Android on a Stick, or how to install Android-x86 on a USB stick

The Android-x86 project provides ISO installation images of Android that can be installed on personal computers, which is cool, because that makes it possible to use the most popular operating system on the planet without buying an Android tablet or smartphone. The latest stable release is Android-x86 4.4-r2. This tutorial shows how to install it on a USB stick, so […]

How to reset user password on Ubuntu 14.10

How to reset user password on Ubuntu 14.10

After publishing How to reset passwords on Fedora 21 and 22, I thought it was appropriate to do the same for Ubuntu 14.10. So this tutorial will show how to reset a password on Ubuntu Desktop 14.10. It should also work on earlier editions, like Ubuntu 14.04, and even on the upcoming Ubuntu 15.04. The obvious reason you might want […]

How to reset passwords on Fedora 21 and 22

How to reset passwords on Fedora 21 and 22

Thanks to a very strict password policy and one too many passwords to remember, I managed to forget both the root and user account passwords of a test Fedora 21 installation. I could have reinstalled the whole system, but decided that the situation presented a good opportunity to attempt a password recovery. Luckily, performing a password reset operation on a […]

Anaconda on root and user account password strengths: Why so strict?

Anaconda on root and user account password strengths: Why so strict?

So the third alpha release of what will become Fedora 22 has been released and I’ve managed to download ISO installation images of the main edition, which uses the GNOME 3 desktop, KDE and the Netinstall. From those installation images, I’ve installed Fedora 22 alpha (GNOME 3), Fedora 22 KDE alpha, and Fedora 22 Cinnamon in virtual environments on my […]

How to install Prey on Linux Mint 17.1

How to install Prey on Linux Mint 17.1

Prey is a cross-platform (Android, Linux, iOS, Mac OS X, and Windows desktop) anti-theft tracking software that, when installed and activated on a supported device, makes it possible for the owner to remotely locate, lock, wipe and recover it, if it’s stolen or missing. If Prey is news to you, read the introduction at How to integrate Prey into the […]

How to integrate Prey into the security posture of your Linux PC

How to integrate Prey into the security posture of your Linux PC

Prey is a cross-platform (Android, Linux, iOS, Mac OS X, and Windows desktop) anti-theft tracking software that, when installed and activated on a supported device, makes it possible to remotely locate, lock, wipe and recover it, if it’s stolen or missing. It’s a good piece of software to install on your Linux computer, whether that computer is a desktop or […]

5 awesome security features to expect in PC-BSD 10.1.2

5 awesome security features to expect in PC-BSD 10.1.2

I’ve been keeping track of developments in PC-BSD for the past several months, more than I’ve done in more than three years. I’ve reviewed the last two releases – see PC-BSD 10.1 review, PC-BSD 10.1.1 Cinnamon review, written about an aspect of its package manager – see Getting to know the pkg audit command on PC-BSD and FreeBSD, and even […]

A 200 GB microSDXC card? Yes, I can haz that!

A 200 GB microSDXC card? Yes, I can haz that!

The top (in terms of capacity) microSDXC card in the market can hold 128 GB of stuff. That’s a lot of stuff. Starting from the second quarter, that capacity will go up by 56%, thanks to a new addition to that line of SD cards by SanDisk. A 56% jump in stuff-holding capacity means that a storage device the size […]

Triple-boot Windows 7, Linux Mint 17.1, Kali 1.1 on a PC with UEFI firmware

Triple-boot Windows 7, Linux Mint 17.1, Kali 1.1 on a PC with UEFI firmware

What you’ll read in this tutorial is simple: How to triple-boot Windows 7 (or Windows 8), Linux Mint 17.1, and Kali Linux 1.1 on a single hard drive and on a computer with UEFI firmware. This article is, in a sense, a continuation of how to Dual-boot Linux Mint 17.1, Windows 7 on a PC with UEFI firmware, which was […]

How to layout and design an infographic in R

How to layout and design an infographic in R

For R fans and infographics lovers out there (I’m one of you), here’s an article that shows how to layout and design an infographic in R. Here’s how the data used to generate it was obtained.

Below is the final product. Go here to learn how the author did it.

Dual-boot Linux Mint 17.1, Windows 7 on a PC with UEFI firmware

Dual-boot Linux Mint 17.1, Windows 7 on a PC with UEFI firmware

After Linux Mint 17 was released back in mid-2014, I published How to dual-boot Linux Mint 17 and Windows 8 on a PC with UEFI firmware. Now that Linux Mint 17.1 has been released, it seems that many users are stumbling in their attempt to use the tutorial to dual-boot it and Windows 8 on a computer with UEFI firmware. […]

Configure OSSEC to not email alerts on IPTables denied messages

The tl;dr of this article is: It shows how to configure OSSEC, a host-based intrusion detection system, to not send email alerts whenever IPTables rejects or denies a traffic source. The more detailed form follows. So I use OSSEC to monitor and protect my cloud servers, which gives me a lot of confidence because OSSEC keeps me informed about what’s […]

How  to delete Superfish from Lenovo computers permanently

How to delete Superfish from Lenovo computers permanently

So Lenovo has been reeling from the self-inflicted wound called Superfish, VisualDiscovery or WindowShopper. No sympathies from me, buster. What else have you done in the past that nobody found out? If you have no idea what Superfish is, here’s a very brief summary. Superfish is an adware installed on some Lenove consumer computers. The actual name is WindowShopper or […]

The ideal value of listen.backlog when setting PHP-FPM pm = ondemand

I recently wrote about the impact that setting how PHP-FPM’s process manager controls child processes from dynamic (pm = dynamic) to ondemand (pm = ondemand) has on RAM usage. You may read the article at How to reduce PHP-FPM (php5-fpm) RAM usage by about 50%. One other interesting PHP-FPM setting I got to learn a little bit more about while […]

How to reduce PHP-FPM (php5-fpm) RAM usage by about 50%

PHP-FPM is the FastCGI Process Manager for PHP. On Unix-like operating systems, including Linux and BSD distributions, PHP-FPM is enabled by installing the php5-fpm (Linux) or php56-fpm (FreeBSD 10.1) package. The problem with PHP-FPM is that the default configuration and that promoted by numerous blogs chews up too much resources – RAM and CPU. The server that powers this blog […]

For an editor, Atom uses way too much RAM

For an editor, Atom uses way too much RAM

For some time now I’ve been using Atom as a replacement for Kate, KWrite and GEdit, depending on the desktop environment I’m using. That’s because it’s much easier and faster to take notes when you’re formatting with MarkDown. If you’ve never heard about Atom, it’s a text editor from the folks at GitHub and officially described as a “hackable text […]

How to configure Ubuntu 14.04 server to forward root mails to your email address

This short tutorial shows how to configure a Ubuntu 14.04 Cloud server to forward system-generated mails sent to the root account to your email address. Why would you want to forward mails sent to root to an email address? Because most properly-configured Cloud servers are managed using a (normal) user account with sudo (root) privileges. So unless you switch to […]

What I can say about KDE Plasma 5 that I can’t say about Windows 8

What I can say about KDE Plasma 5 that I can’t say about Windows 8

I’ve never really had the time to explore KDE Plasma 5 since it was released back in July 2014. I’ve played with it a bit, but not much. Now that it’s at version 5.2 and at that stage when its deemed almost ready for primetime, that is, ready to replace all aspects of KDE Plasma 4, I decided to kick […]

Calamares will be the graphical installer on the next OpenMandriva edition

Calamares will be the graphical installer on the next OpenMandriva edition

News from OpenMandriva has it that the next release of the distribution will feature the Calamares graphical installer. Calamares is a “distribution independent installer framework” that features a modular design with 25 modules already implemented. It has plugin interfaces for C++, Python and a generic process, and an advanced partitioning tool with support for DOS and GPT partition tables. It […]

Why did this server run out of disk space?

Less than two hours after I logged into the admin end of this website, which is powered by WordPress, the site went offline, with a 502 Bad Gateway error. What the…? So I logged in via ssh and noticed a serious lag between when I type a letter and when it appears on the screen. I’ve got a problem. And […]