PANGDU

make exact duplicate directory for ftp users above DefaultRoot

2012-02-17T14:07:00.000-08:00

sudo mount --bind /var/www/somedir /home/someuser/somedir

debian dvd player apt-get

2012-02-11T16:03:00.001-08:00

apt-get install vlc libdvdcss2

ubuntu 404 Not Found [IP: 91.189.92.169 80]

2012-01-31T20:26:00.001-08:00

the ubuntu is no longer supported,so in /etc/apt/sources.listchange http://us.archive.ubuntu.com/ubuntu/to http://old-releases.ubuntu.com/ubuntu/

debian NO_PUBKEY AAFF4A5B336064B5

2012-01-23T21:56:00.000-08:00

error message:

W: GPG error: http://deb.opera.com stable Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY AAFF4A5B336064B5

reason:
key is outdated

solution:
wget -O - http://deb.opera.com/archive.key | sudo apt-key add -

hp laserjet p1102w setup on debian 6

2012-01-06T19:29:00.000-08:00

hp laserjet p1102w setup on debian 6

commands:

wget http://prdownloads.sourceforge.net/hplip/hplip-3.11.12.run
sh hplip-3.11.12.run

then run hp-setup to download some additional software then you are good to go

firefx how to select column in table

2011-12-21T05:36:00.001-08:00

hold down ctrl key while select

firefox how to disable/block alert,confirm,prompt?

2011-11-14T20:07:00.001-08:00

find your prefs.jsadd 3 linesuser_pref("capability.policy.default.Window.alert", "noAccess");user_pref("capability.policy.default.Window.confirm", "noAccess");user_pref("capability.policy.default.Window.prompt", "noAccess");

scim stopped working

2011-10-20T23:12:00.001-07:00

scim stopped working?try kill -9 all process of scim,then run this/usr/lib/scim-1.0/scim-launcher -d -c simple -e all -f socket --no-stay

To configure Exim4, run the following command

2011-10-08T19:24:00.001-07:00

sudo dpkg-reconfigure exim4-config

To install Exim4, run the following command

2011-10-08T19:23:00.001-07:00

sudo apt-get install exim4

ADB: error: insufficient permissions for device

2011-09-16T04:45:00.000-07:00

problem:

List of devices attached
???????????? no permissions

solution:

adb kill-server
sudo adb start-server
adb devices

create a partition shared by both Windows & Linux

2011-08-16T19:11:00.000-07:00

sudo apt-get install ntfs-config

vim move the current line to scrolltop of the screen

2011-08-16T19:05:00.000-07:00

move the current line to scrolltop
zt
move the current line to scrollbottom
zb

wordpress filters

2011-04-13T02:01:00.001-07:00

located in:
wp-includes/default-filters.php

linux reference a file start with a dash

2011-04-04T17:24:00.001-07:00

problem:

say you have a file, its name start with a dash, when you try to use command on that file, it will result in error,

solution:

use command ./-xxxxxxxxxxxxxxx instead of command -xxxxxxxxxxxxxxx

magento how to debug sql query

2011-03-30T19:44:00.001-07:00

edit this file: lib/varien/Db/Adapter/Pdo/Mysql.php

protected $_debug = true;
protected $_logAllQueries = true;
protected $_debugFile = 'var/debug/sql.txt';

magento import export cms pages

2011-03-22T16:26:00.000-07:00

mysqldump cms_page and cms_page_store tables

and restore to your destination database

mysql change root password

2011-03-14T23:14:00.001-07:00

mysqladmin -u root -p'abc' password '123456'

How to set TAB to 4 spaces in vim?

2011-03-09T14:51:00.001-08:00

set ts=4

mysql find all columns in a database

2011-03-08T18:11:00.000-08:00

SELECT table_name, column_name from information_schema.columns WHERE column_name LIKE ’%searchTerm%’ AND table_schema = ‘yourDB’

sudo rm Operation not permitted, undeletable file

2011-03-04T15:05:00.000-08:00

problem:
ever encounter such a file?
you can't even rm with root.

reason:
this file might be marked as immutable, to confirm, you can use lsattr to confirm, if you see an "i" then it's immutable, you can't even remove with root

solution:

use chattr -i
the one i had to use is: sudo chattr -s, sudo chattr -u, sudo chattr -a too then able to remove this file
then you can remove

Boot debian directly to terminal mode

2011-03-02T14:47:00.000-08:00

remove gui on startup

update-rc.d -f gdm remove

then you can start gui, gnome desktop with command

startx

reset, make gui on startup

update-rc.d -f gdm defaults

note, you need to use "gdm3" for debian squeeze

windows 7 partition is gone, after installing debian

2011-03-01T23:44:00.001-08:00

try this first

sudo update-grub

how to install dual-boot with debian and windows 7

2011-03-01T23:27:00.000-08:00

first thing you need to do is to free up some disk space, in windows 7, you can use the new "shrink volume" feature from windows 7 in disk management.

after that, use debian installation cd to boot, and you can use that free space you created from windows 7 to install debian

linux tar same folder permissions

2011-02-28T19:48:00.001-08:00

problem
linux tar same folder permissions

solution
use -p option