Linux

Dovecot backup over SSH using doveadm

This is just a short post about how to do  Dovecot Maildir backup using the command doveadm backup initiated from your home server that is not on the Internet, to your Internet facing mail server using SSH as a secure transport medium. The post is not based on any linux distribution and can be used […]

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Virtualization

Virtualize physical Ubuntu linux server

This post describes how to create a bit for bit copy of a Ubuntu 14.04 LTS server using tools like gddrescue and qemu from a Ubuntu Live-CD. This procedure can actually be used to create a copy of any operating system, not just Ubuntu. This could probably have been done more easily and faster using […]

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Linux

Set og change default “Open With” application in Ubuntu

This post describes how to associate a file ending like PAR2-files with the pypar2 application in Ubuntu Unity. You can also use the mimeopen command to change associated file type to other applications. $ mimeopen -d unknown-file.par2 Please choose a default application for files of type application/x-par2 1) Other… use application #1 use command: /usr/bin/pypar2 […]

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Linux

Installing build-essentials in CentOS or Ubuntu

This post desrcibes how to install “build-essentials” on CentOS/RedHat og Ubuntu/Debian. build-essentials provides the packages you need to build or compile source code (make and gcc) and create binary files. The build-essentials package is a quick way to install the packages needed to compile VMware Tools on a VMware guest. In Ubuntu $ sudo aptitude […]

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Linux

Add new harddisk to linux without reboot

This is a short post on how you can add a new SATA og SCSI harddisk in your running/live linux machine without a reboot. The BIOS of the machine is not aware of new hardware being added, but you can ask the disk controllers to rescan and become aware of new harddisks. This is how […]

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