Een hoop linux tips en trucks zijn aan bod gekomen tijdens OpenToko 20 over Linux

lsb_release -d -s -c

• http://catcode.com/teachmod/numeric2.html

find . -type f -print | xargs chmod 644

find . -type d -print0 | xargs -0 chmod 755

sudo mv fontname.ttf /usr/share/fonts/truetype

• Problem booting Vista after installing Ubuntu
• Installing Code-Blocks on Ubuntu
• Killing the xserver ('fast logout'): Ctrl Alt Backspace
• to edit the ubuntu boot menu

gksudo gedit /boot/grub/menu.lst

(kdesu heeft hetzelfde effect?)

• Booting from USB drive

list with one column

export COLUMNS=1
ls

Als ie useradd bijvoorbeeld niet kan vinden of iets anders essentieels kan dat komen omdat soms /usr/sbin niet in het zoekpad staat.

/etc/init.d/sshd restart
You need to do this after manually adding a user to the sshd_config file (see this thread)

.AIR bestanden als binary laten downloaden in .htaccess:

 AddType application/vnd.adobe.air-application-installer-package+zip .air 

If you are just after tracking someone else's project, this get you started quickly:

git clone url = svn checkout url
git pull = svn update

• Laptop beeldscherm knippert / flikkert in Ubuntu. Mogelijke oplossing: Probeer bij Administration/Screen and Graphics de 'Intel Experimental mode' te veranderen in i810.
• Using multiple monitors for in Ubuntu
• start screen and graphic preferences:

displayconfig-gtk

• find an application's location:

whereis firefox

• find a file's location:

locate menu.lst

• reboot the system:

reboot

• to tar a folder (with all subfolders and files):

tar czf backup.tgz thefolder

• to untar a file:

tar xvzf file.tar.gz

• search for a phrase in all files:

grep something *

• search for a phrase in all files (recursive):

find . | xargs grep -s phrase

• to start ubuntu without GUI empty '/etc/X11/default-display-manager'. If you want to start it from the shell type 'gdm'
• What to do when 'locate' gives the following error 'can not open `/var/lib/mlocate/mlocate.db': No such file or directory'?

sudo updatedb

• cat - Concatenates files, or standard input, to standard output:

cat newmpeg.txt >> daily.txt

• Alle processen weergeven met hun PID's

ps -A

• zoekt naar naam binnen de actieve processen

ps -C naam

• een proces beeindigen:

sudo kill 5943

• copy a directory:

cp -r /home/hope/files/* /home/hope/backup

• show last system messages:

tail /var/log/messages

• get computer name / hostname

hostname

• You can use 'sudo apt-get install thunderbird' for installing software like thunderbird or any other program.
• You can use 'sudo apt-build install libfreetype6' for installing a library. You can also use apt-get for that by saying: 'apt-get build-dep libfreetype6'
• Use 'sudo dpkg -i filename.deb' to install a download .deb file.
• Install RPM packages:

rpm -i software-2.3.4.rpm

• of gebruik:

alien -i filename.rpm

• In case of the following message “error while loading shared libraries: libstdc++-libc6.2-2.so.3: cannot open shared object file: No such file or directory” while installing/running something install the glibc library:

sudo apt-get build-dep glibc

• 7-Zip installeren op Ubuntu

sudo apt-get install p7zip

• .sh extensie
• execute a script in a terminal:

xterm -e /home/fileToExecute

• Checking errorCode, errorLevel, returnValue in a shell script

• “If you want to mount your NFS and samba file systems on ubuntu client machines you need to use the /etc/fstab file (short for filesystem table) keeps track of filesystems that you want to mount in static locations.”
• You can use NFS for this with adding the share to /etc/exports on sharing computer. You can then mount to that from the client computer by creating an empty folder (ie. /mnt/testfolder) and then say:

mount 192.1680.104:/home/rick/srcfolder /mnt/testfolder

• Na een wijziging in het /etc/networking/interfaces moet er een restart worden gegeven

sudo /etc/init.d/networking restart

• Het instellen kan ook met ifconfig.

sudo ifconfig eth0 192.168.1.50 netmask 255.255.255.0 up

• Networkadapter down:

ifdown eth1

• Networkadapter up:

ifup eth1

• For permanent changes in your network address change your network configuration file '/etc/network/interfaces'. more info

• Installing AVR-GCC for compiling and uploading C code to Arduino
• TV Video Signal Generator with Arduino

• My favorite Scite User properties

• Time time; time.fileNameTag()

• zoeken naar usb apparaten met 'ph' in de naam. (-vvvv is extra verbose)

lsusb -vvvv | grep ph

*list all devices?

ls /dev/

• To disable gdm, from Gnome click System/Administration/Services and unclick Graphical Logic Manager (gdm)

• Exporteer de eerste 9 files uit een AVI naar losse jpg's: mplayer test.avi -vo jpeg -ao null -frames 9
• Speel test.avi af in een x11 venster, maar het kan ook bijv. een video-out zijn: mplayer test.avi -vo x11
• Goede Nederlandse handleiding over video

xmodmap -e 'keycode 133=Control_L'
xmodmap -e 'keycode 37=Super_L'
xmodmap -e 'keycode 134=Control_R'
xmodmap -e 'keycode 109=Super_R'

Use wine to run Windows programs on linux.

sudo apt-get install wine
winecfg
sudo usermod -aG dialout <myuser>
sudo ln -sf /dev/ttyUSB0 ~/.wine/dosdevices/com1 
sudo ln -sf /dev/ttyACM0 ~/.wine/dosdevices/com2 
unzip Minibloq.v0.8.Beta.zip
cd Minibloq.v0.8.Beta
wine MinibloqRun.exe

RewriteEngine on
 
RewriteBase /
 
RewriteRule ^_media/(.*)              lib/exe/fetch.php?media=$1  [QSA,L]
RewriteRule ^_detail/(.*)             lib/exe/detail.php?media=$1  [QSA,L]
RewriteRule ^_export/([^/]+)/(.*)     doku.php?do=export_$1&id=$2  [QSA,L]
RewriteRule ^$                        doku.php  [L]
RewriteCond %{REQUEST_FILENAME}       !-f
RewriteCond %{REQUEST_FILENAME}       !-d
RewriteRule (.*)                      doku.php?id=$1  [QSA,L]

• http://news.softpedia.com/news/Install-Alternative-Desktop-Managers-in-Ubuntu-48586.shtml

Ctrl+A, Ctrl+\
more tips http://ss64.com/osx/screen.html

tr '\n' ' ' < doit.sh> out.sh && ./out.sh