Vim - basics - copy-paste

Useful shortcuts for Vim beginners: 

mark text 

v ... start highlighting text 

+y ... end highlighting text 

d ... cut 

P ... P-paste above cursor (capital P)

p ... paste below 

u ... undo 

Ctrl+R ... redo 

source: source web 

other: other web 

Vim macro for copy-paste with Ctrl+C and Ctrl+W: abclinuxu.cz (Czech version)

VI shourtcuts:

Go to

Shift g    = end of file

gg    = start beginning of file

GG    = start of file

:22    = go to line 22

0 = start of line

^ = first letter on line

$ = end of line

Delete 

x = delete

X = backspace

dw = delete word

d$ = delete to EOL $

d0 = delete to start 0

Copy to buffer

:t.    = duplicate line

:t7 = copy line after line 7

yy = copy current line

ayy = copy current line to buffer a

a5yy = copy 5 lines into buffer a

Paste from buffer

y7yp = copy and paste 7 lines

p = paste line

ap = paste buffer a at the cursor

Search

n = search next

N = search previous

* = go to next occurrence of word under cursor

# = go to previous occurence

Less shortcuts

https://en.wikipedia.org/wiki/Less_(Unix)

https://en.wikipedia.org/wiki/Less_(Unix)#Frequently_used_commands

NoHup

# Nohup process id pid :

nohup my_command > my.log 2>&1 &

echo $! > save_pid.txt

No sound in Flash under Linux

Problem description:
Using Debian or Ubuntu Linux, I experienced problem with no sound
using Flash player in Firefox.

Solution:
# apt-get install alsa-oss

Details:
alsa-oss package creates interface between Alsa sound libraries and OSS libraries. Latest systems usually support Alsa drivers while Flash requires OSS. This package interconnects both of them to play together.

Firefox default browser in Linux

How to set Firefox as default browser for Thunderbird and other applications in Debian or Ubuntu Linux?


System wide default
Define Firefox as system wide default web browser by running:
update-alternatives --config x-www-browser


KDE4 default
To use Firefox as default in the KDE4, you must open:
Desktop Settings / Personalised Settings -> Default Applications -> Web Browser ->

or in latest KDE open:
System Settings / Default Applications -> Web Browser ->

check: 'in the following browser'
set value: /usr/bin/firefox


Thunderbird default
In Thunderbird open menu:
Edit / Preferences / Advanced / General / Config Editor

Change Filter to:
network.protocol-handler.app.

Add or modify existing preferences. Double click specific preference for modification or,
if preference is not in list, right click to empty area and choose: New -> String

Insert key name: network.protocol-handler.app.ftp
Value: /etc/alternatives/x-www-browser

Insert key name: network.protocol-handler.app.http
Value: /etc/alternatives/x-www-browser

Insert key name: network.protocol-handler.app.https
Value: /etc/alternatives/x-www-browser


Edit Thunderbird config directly
Optionaly you can edit your Thunderbird config directly.
Thunderbird preferences file: ~/.thunderbird/*.default/prefs.js


Note
If you have not selected your default browser, you can replace string /etc/alternatives/x-www-browser by /usr/bin/firefox (with appropriate path)

Keywords: thunderbird url open
Source: novell.com