Search:

I did
$>shred -n 1 -v /dev/sda2 # /home partition (ext4)
It gave some error messages and continued. I quit it after several seconds by Ctrl+C.

Then,
$>shred -n 1 -v /dev/sda1 # / partition...

Googling told me that single pass deletion is good enough for SSD and more than one pass deletion just reduce the life of SSD with no benefit.

"man sfill" was not clear for me how to do a single...

I made a screen capture that includes both pictures and texts.
How to make this picture a searchable image?

Thanks in advance.

I am using the default terminal for Ubuntu.
For example, ls -CF --color=auto make usual files, directories, and links visually different.

I want to be reminded visually that some directories are...

What is the option of "convert" command to convert a.pdf to a.tiff with a given DPI(pixels per inches) value (e.g. 600)?
Currently, I use GIMP to do same thing but "convert" would be simpler.
I...

While I installed a Revolution Enterprise Academic Version from a source package, following error occurred.

********
conftest.c:16:28: error: ac_nonexistent.h: No such file or directory
********...

If you updated it to the Ubuntu 10.04, you can set it easily.

On the menubar: System -> Preference -> Desktop setting -> Windows -> check 'Use Gnome Compositing'

While I installed a software from source at Ubuntu 10.04, "GL/glut.h: No such file or directory" was appeared in a config.log

'Ubuntu package search' found two packages containing 'GL/glut.h'...

Thank you for reply.

My question maybe was not good enough.
I want to amplify the sound of a network streaming.
I looked up audacity but it looks like a software only for an offline audio...

At Ubuntu 10.04, I amplified sound maximally using alsamixer and volume icon on the menu bar but I want to amplify further.

VLC can amplify sound upto 400% but only inside VLC.

Are there any...

Same problem for Ricoh Imagio MP-C4000.

I freshly install 10.04. Previouly, 9.10 on same machine printed well but 10.04 doesn't.

'Print Test page' did not print at all but 'Print Self-test...

I want to merge many .odp files into one.
I know that it can be done one by one inside impress but it's laborious.
Is it possible to merge .odp slides automatically such as pdftk for pdf merge?

sudo cat /var/log/messages | grep -i Network

Nov 22 01:47:04 mypcname kernel: [ 1.760781] e1000e: Intel(R) PRO/1000 Network Driver - 1.0.2-k2
Nov 22 01:47:04 mypcname kernel: [ 1.905022]...

Messages containing iwlcore were produced when I installed 'http://www.orbit-lab.org/kernel/compat-wireless-2.6/2009/11/compat-wireless-2009-11-21.tar.bz2'.
Before I installed it and after I...

Wireless of my laptop is always disabled.
I can use wireless at Windows (dual booting) but never, yet, at linux.

"Intel Wifi Link 5300" is disabled at my Ubuntu 9.10.
How can I enable this?

Once I installed "http://intellinuxwireless.org/iwlwifi/downloads/iwlwifi-5000-ucode-8.24.2.12.tgz", which contained...

When a file is opened by gedit in a nautilus, gedit opens them using multiple tabs in a gedit window (gedit is the default editor).

I want to do same thing for gvim.
I know that :tabnew open...

I've heard that msn message is sent in a clear text form through net.
I use msn account in pidgin.

1. Message through MSN account in pidgin is encrypted by default?

2. If not, how to encrypt...

I have a .png file, which has 2 x 2 inches and 100 ppi resolution.

How can I change this into a .png file of 1 x 1 inches and 200 ppi resolution, without any lost of qualities?

Thank you. :D It works!!

I have two .tiff files.
I want to join the bottom side of an image and the top side of the other image.

How to do this?

Thanks.

Hi, all

Is there any difference between following two lines in /etc/fstab ?

tmpfs /dev/shm tmpfs defaults 0 0
vs.
none /dev/shm tmpfs defaults 0 0

I have many mp3 files but many of them are actually same files with different names.

Simple file size is not good enough to detect same mp3. How can I detect automatically same mp3 files without...

I mounted a ramdrive to /tmp/ by adding a line to '/etc/fstab'.

However, I want to change the size.

How can it be done?

In options of /etc/fstab, noatime is about files and nodiratime is about directories. In this context, directories are included in files?

If noatime was already set, nodiratime does not make any...