Linux

OctoPrint with multiple 3D printers

12 minute read

One of the most useful tools when managing a 3D printer is OctoPrint, since among several things it allows you to manage your printer from a web interface, ...

How to load the VirtualBox driver

less than 1 minute read

If for any reason (for instance Genymotion complaining about not finding VirtualBox) and you need to reload the VirtualBox driver keep in mind that the scr...

How to update Linux time zones

less than 1 minute read

On May 1st, Venezuela will change its time zone to UTC-4, therefore in Linux you must update your tzdata package to be ready to this change. To do so just j...

Installing Java on Debian

1 minute read

If you need to install Oracle Java on Debian, you can follow the next steps once the binary file had been downloaded from Oracles’s download page:

How to extend a volume on LVM

2 minute read

Sometimes it is necessary to extend a logical volume, expanding the physical volume where it is hosted. If this is the case, you can follow this example e...

How to move a physical volume on LVM

3 minute read

If you need to move data from one disk to another one you could think in copying the data with cp, rsync, or any other tool, and then umount the partition,...

LPIC-2 certification

less than 1 minute read

At last my certificate and card ID for LPIC-2 have arrived, which involve exams 201 and 202.  Unlike the LPIC-1 certification, it took more time to arrive ...

Gitlab full Postgresql backup and restore

1 minute read

GitLab can be used with Postgresql as its database engine  (beside MySQL),  and all come ready to make backups and restores of its databases and git reposi...

How to install VMWare Tools on Debian 7

3 minute read

Installing VMWare Tool on Debian 7 is not that different than, for example, installing VirtualBox’s Guest Additions. In essence you have to have the system...

Installing Raspbmc successfully

4 minute read

A friend recommended me this distro for running XBMC which was released by one of the developers of the XBMC project with specific optimizations to run on ...

How to create a ramdisk in Linux

1 minute read

A ramdisk is like a disk partition but running directly from the system’s RAM. All data read and written will be faster, and as drawback all data will be e...

Novell certification

less than 1 minute read

  Talking with a friend of mine I told him that LPI certifications validates a couple of Novell0’s certifications which in deed are just an incentive to con...

How to build a Debian packge in 3 steps

1 minute read

There are several ways of making a Debian package. In this article you will learn how to create it using equivs tools, to create a simple package (for exam...

How to make big file system partitions

1 minute read

Sometimes you’ll see on hard drives some inconsistencies with size, used value and the available space. The problem occurs when the operating system report...

Where to put my Raspberry Pi?

less than 1 minute read

Due to I wanted to use my Raspberry Pi as a media center but I didn’t want to put a lot of devices on my nightstand I came up with this idea. My Raspberry,...

XBMC on Raspberry Pi with Raspbian

less than 1 minute read

If you want to install XBMC on your Raspberry Pi using  Raspbian and got dependency problems, you can download it from this repo by adding the following lin...

Mobile repository on Debian

2 minute read

If by chances you have a slow connection but in another place have a better connection (school, university, work, etc.) and have a computer with Debian whic...

Logical Volume Manager (LVM)

5 minute read

In the traditional disk partitioning scheme, administrators plan ahead the use of each partition. For instance, a laptop with 120 GB hard drive, 1 GB  RAM ...

Setting OpenVPN on OpenWrt

3 minute read

Due to my home router is connected 24×7 it makes it the ideal place to install a VPN server. In my case I had installed OpenWrt on my router TP-LINK TL-WR1...

Kernel compiling the old-fashion way

2 minute read

There are several reasons for compiling a kernel. For instance you might be interested in adding support for a new hardware or functionality, or for tuning...

Installing VirtualBox Guest Additions

less than 1 minute read

After installing your virtual machine in VirtualBox you should install the Guest Additions…what is that for? It lets you use your virtual machine at fullsc...

Why not to use Windows?

less than 1 minute read

I’ve installed my sister’s computer at least four times with Windows XP because it got viruses…I hope this time she considers to use Linux (they have it in...

apt vs aptitude

4 minute read

Both, apt (apt-get, apt-cache) and aptitude are commands for package administration from the text on Debian and spin-off distros like Ubuntu. In fact, both...