This website is my blog page for Linux and Web development. Contents on Buddhist Studies have been moved to

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

Make Ubuntu 14.04LTS run faster

1. Install gnome-session-flashback

Press CTRL+ALT+T simultaneously to enter terminal.
sudo apt-get install gnome-session-flashback

log out and choose "GNOME Flashback" to log in

Chromium Bookmarks with unicode characters cannot be displayed in Ubuntu 14.04

1. Go to /etc/fonts/conf.d
sudo nautilus /etc/fonts/conf.d

How to convert audio files to mp3 in Ubuntu 12.04

Just install Sound converter (version 1.5).
In order to support mp3, one also needs to install gstreamer0.10-ffmpeg and gstreamer0.10-plugins-ugly

There is no sound after rebooting Ubuntu

To fix the problem, the first step is always to re-install "linux-sound-base alsa-base alsa-utils":

sudo apt-get purge linux-sound-base alsa-base alsa-utils

Running Ubuntu 10.04 in 2013

Ubuntu 10.04 is not supported by Ubuntu after May 2013. We still use it for old computers.

First thing we need to do is to change the software sources.

10 Programs I installed in Ubuntu 12.04

1. KeepassX
2. Unison
3. Stardict
4. gThumb image view
5. GIMP Image editor (version 2.8 support Single-Window-Mode)

sudo add-apt-repository ppa:otto-kesselgulasch/gimp

Make Ubuntu 12.04LTS run faster

Update for Ubuntu 14.04:

0. Stick to LTS.
Do not upgrade your system to 13.04, which is very slow.

1. Install gnome-shell

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