How to add a new disk to Ubuntu server (12.04) by using remote ssh

1. Physically install the hard disk.
2. use ssh log in
3. find out whether the disk is installed

sudo fdisk -l

4. find out the UUID of the disk

sudo blkid

How to use the left Winkey to input Romanized Sanskrit and Pali in Linux

Modified from this page

Test in US keyborad setting.

How to Play Different Audio Files in GoldenDict (Ubuntu and Mint)

If your GoldenDict does not play your dictionary audio files, you can try these two options:

1. Install VLC, and use this command (From Edit > Preferences > Audio > Use external program):

Howto Use HandBrakeCLI to Rotate a video

To rotate 90° (clockwise)
HandBrakeCLI -i source -o target.m4v --preset="Universal" --rotate="4"

To rotate 270°(anticlockwise)

Linux Mint 17 Mate edition is good for old computers

1. Download and install

2. After installing, one can replace the default menu with tradtional Gnome 2 menu bar (A Custom menu bar).

Note on Lubuntu 14.04

If you have installed Lubuntu, then DO NOT install Chromium-browser and libreoffice from Ubuntu software repositories, but download the original packages from their websites.

Howto Log in server SSH without password (e.g. unison)

1. Creating A Private/Public Key Pair
ssh-keygen -t dsa
Note: Do not enter anything for passphrase, just hit the Enter key to use empty

2. copy the public key to the Server PC

Things to do after installing Ubuntu 14.04

1. Change Unity to traditional menu

2. Install language Support,
Top-Right menu, choose "System Settings"

How to disable error-reporting system in Ubuntu 14.04

1) At the Terminal, run the command

sudo gedit /etc/default/apport

2) Change “enabled=1″ to “enabled=0″

3) Save and Exit

Replace Unity with Gnome-session-flashback in Ubuntu 14.04LTS

Warning: Following my instruction will destroy your Unity desktop.
Personally, I don't like Unity and Ubuntu Software Center.

1. Install gnome-session-flashback

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