SysAdmin

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,...

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...

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...

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 ...

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...

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...