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Rebuilding VirtualBox with missing VDI snapshots
VirtualBox is great, until you realise your missing the a key snapshot, or your original image and you only have the lastest snapshot on your backups. A while back I had the task of rebuilding a windows server for someone … Continue reading
Posted in Backup, IT Support, Linux, Server
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Asterisk VoIP Voice Quality
A lot of different things can cause voice quality issues. When using SIP a variety of things could be to blame, and not at all easy to track down. Causes of poor sip voice quality can be one of the … Continue reading
Posted in Asterisk, IT Support, Server, Treshna
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Howto create Loop Device on Linux
This mini howto explain how to create more loop device on your operating system.You need to create more loop device in some case like encrypted file system or HVM xen virtualization. By default there are 7 devices available, named /dev/loop0 … Continue reading
Thin client + Slax + LCD TV= Media Center
I have a 1.5TB external hard drive(with its own power adapter) and three computers at home, it was not convenient if I want to get the files or save them to the external storage. So I planned to make my … Continue reading
Slax: solution to read only external hard drivers
.fullpost{display:inline;} When Slax auto detect External hard drives or USB keys but it permission defaulted to read only. Slax will not allow you to change the file permission. You will not be able to copy important files to the external … Continue reading
Posted in IT Support, Linux, slax
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How to find USB VID/PID on various operating systems
source:http://www.freelabs.com/~whitis/USB_VID_PID.xhtml Linux users can, of course, just use lsusb or usbview. Run as root because on some systems, this doesn’t show all the information otherwise. lsusb (short form) $ sudo lsusb Bus 002 Device 049: ID eb1a:1760 eMPIA Technology, Inc. … Continue reading
Posted in IT Support, Linux, Ubuntu, Windows, hardware
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How To Tar Files And Folders Easy
To compress a file or folder do this command: in this example, I want to tar my test directory: Command: tar -pczf test.tar.gz test/ Now to untar: Command: tar xvfz test.tar.gz
Posted in Backup, IT Support, Linux, Server, Ubuntu
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DD comand examples
THE DD COMMAND The dd command copies an amount of data block by block. The most basic syntax is: Format# dd if=xxxxx of=yyyyy bs=zzzzzz( Where if=xxxxx is the source, of=yyyyy is the target and bs= both read and write zzzzz … Continue reading
Posted in Backup, IT Support, Linux, Server, Ubuntu
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Joining a Windows 7/ Windows 2008 R2 system to a Samba domain
This article suits for both Windows 7 and Windows 2008 R2(tested on 17/10/2010): To join the domain for Windows 7 make sure you do the following steps: First you need to be running Samba v3.3.4 or later. Earlier versions have … Continue reading
Posted in IT Support, Linux, Samba, Server, Windows
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Linux permissions help
Linux permissions help 1. What are file permissions 2. File permissions notation 2.1. Textual representation like “-rwxr–r–” 2.1.1. Examples 2.2. Numeric (octal) representation like “644″ 2.2.1. Examples 2.2.2. Why there is a leading zero? 2.2.3. Four meaningful digits like “4755″ … Continue reading
Posted in IT Support, Linux, Server
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