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Hardware

How to disable chrome caching on Ubuntu?

I bought SSD drive to my laptop, so I decided to minimize write I/O on my system. The less writing is a good idea even you have a HDD. Your system become faster in this way.

There are some good starting point:

How to convert your real system to virtual machine?

I had a real Linux server system that I need to convert into virtual server, because I wanted to sell my old hardware, but I needed the system as backup. This backup is able to run as virtual server. This is a very useful backup method. This tutorial show you how you can convert your whole system into virtualbox system. Virtualbox is a free opensource virtual computer solution from Oracle.

1. Backup your system disk

If you can, put your system disk to another computer. But if you can't do it you can do it the original system.

SATA HotPlug and HostSwap in Ubuntu Linux

Check active scsi devices:

ubuntu@ubuntu:~$ lsscsi
[1:0:1:0]    disk    ATA      SAMSUNG HD103SJ  1AJ1  /dev/sda
[2:0:0:0]    disk    ATA      SAMSUNG HD103SJ  1AJ1  /dev/sdb
[3:0:0:0]    cd/dvd  HL-DT-ST DVDRAM GH22NS90  HN00  /dev/sr0
[5:0:0:0]    disk    Generic  STORAGE DEVICE   9451  /dev/sdd
[6:0:0:0]    disk    GT-I5700  - Card                /dev/sdc

Now refresh SCSI devices. Use this command to refresh host0 (or host1, host2, host3):

ubuntu@ubuntu:~$ echo "- - -" | sudo tee -a /sys/class/scsi_host/host0/scan 

Check the result:

UEFI BIOS Windows 7 installation problem and solution

New ASUS K55 Laptop with UEFI Bios

I have a client who bought an ASUS K55VD laptop. This laptop is coming with Windows 8. But my client had bought a windows 7. So He wanted to use this windows 7 on his new laptop. I had another task. I had to change the HDD to SSD. It sounds easy, doesn't it?

Problems was coming...

I have never seen UEFI BIOS before. I did not think this will be a challenge for me. I tell the truth I wasted a lot of time to install the OS.

Blog categories:  Hardware

My new JustCloud storage account

I found a very fast and easy to use online storage solution. My free dropbox account was too small for backing up my files. I mostly backup my most important files with dropbox online storage, but the 2Gb too small for me. I saw the dropbox pro pricing that was almost $10 for 100GB. When I found the it was less than $10 for unlimited storage. I think it is good offer to me.

Blog categories:  Unix admin  Hardware

Silent PC project

I'm looking for silent PC parts for totally noiseless desktop computer. I will use this PC for software development. This PC need to be silent, fast and video card need to drives 2 monitor over 2 DVI port. I will use 4 monitor with an additional video card in the far future.

Blog categories:  Hardware