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openSUSE:SUSE Studio General howtos
- 1 Note to the general howtos
- 2 How to uncompress/extract downloaded appliances
- 3 How to login for the first time
- 4 How to install proprietary drivers on first boot
- 5 How to run local scripts
- 6 How to run firstboot scripts
- 7 How to configure graphics on first boot
- 8 How to add a user to the sudoers
- 9 How to customize the yast2-firstboot
- 10 How to set up crontab
- 11 How to setup a custom firewall
- 12 How to add autoyast so that some configurations are done automatically on booting
- 13 How to add services
- 14 Minimal X (Icewm) howtos
- 15 How to implement a KIOSK like application without window manager
- 16 How to implement a KIOSK like application with window manager
- 17 How to launch an application in fullscreen mode
- 18 How to customize icewm taskbar and windows
- 19 How to add X for JeOS and Server templates
- 20 Pango Bugfix
Note to the general howtos
- In this section we explain howtos that are not specific to any template or target but to all of them.
- You'll see that most of them are related to firstboot scripts.
How to uncompress/extract downloaded appliances
Users can unpack .tar.gz files with built-in system tools. Examples of such graphical applications include Ark and File Roller, which are included in KDE and GNOME respectively. Alternatively, you can extract the .tar.gz file with the following command in the console terminal:
$ tar xf <FILE_NAME>
For example, suppose you have downloaded LAMP_Server.i686-1.0.0.vmx.tar.gz. You can extract it by executing:
$ tar xvf LAMP_Server.i686-1.0.0.vmx.tar.gz LAMP_Server-1.0.0/ LAMP_Server-1.0.0/LAMP_Server.i686-1.0.0.vmdk LAMP_Server-1.0.0/LAMP_Server.i686-1.0.0.vmx
These tools have File Explorer integration and a graphical user interface, but they are unable to uncompress the .tar.gz in one step - you need to extract it twice, first for gzip uncompression and then tar extraction.
NOTE: If you get a "corrupt archive" error message during tar extraction even though the archive MD5 checksum matches, it is likely that the tar file contains files larger than 8 GB. You need WinRAR 3.9 and above, or 7-zip 9.16 beta and above. LibArchive/BSD tar also works.
We recommend using LibArchive/BSD tar (freeware). It only has a command line interface, but is easy to use:
$ bsdtar.exe -xf <FILE_NAME>
For example, suppose you have downloaded LAMP_Server.i686-1.0.0.vmx.tar.gz. Here is a step-by-step guide:
- Download and install LibArchive: http://downloads.sourceforge.net/gnuwin32/libarchive-2.4.12-1-setup.exe.
- Add the LibArchive path (default is C:\Program Files\GnuWin32\bin) to your system %PATH% variable.
- Extract the tarball by executing the following in the command terminal:
$ bsdtar.exe -xf LAMP_Server.i686-1.0.0.vmx.tar.gz
The files will be unpacked to the LAMP_Server-1.0.0 directory.
Note: Legacy Windows file systems like FAT32 have several limitations, in particular the lack of sparse file support (required by some build formats, such as Xen) and a maximum file size of 4 GB.
How to login for the first time
- Use the susestudio opensuse default root password of linux
username: root or tux password: linux
- You can change this in susestudio on the configuration page 'susestudio.com/appliance/edit/NNNN#tab-configuration'
How to install proprietary drivers on first boot
- Write a script that uses lspci and grep commands in order to see which hardware you have, and then use zypper in order to add a repo and install the needed rpms. Once you have this script, upload it to the overlay section and add this script to the firstboot section. (see How to run firstboot scripts ).
How to run local scripts
- If you want your script to run on every boot, you have two options. One is using the "Scripts" option on the "Configuration" Tab; two is writing your own service.
- By using the "Scripts" option, your script will be run before any service. If that is want you want, check the "Run script whenever the appliance boots" option and write your script.
- If what you want is to run your script after the other services, create your own service. In order to do that, copy /etc/init.d/skeleton file and adapt it to your needs. Set the required_start to $ALL so it runs after all the other services. Then, upload this file to the overlay section and add an "insserv script_name" line on the "firstboot section" (See How to run firstboot scripts ).
How to run firstboot scripts
- Like "How to run local scripts ", firstboot scripts can be run before any services or after. For the first option, use the "Scripts" option on the "Configuration" tab. You'll see there is an if section that looks for a /etc/init.d/suse_studio_firstboot file. Put your commands there.
- For the second option, do like in "How to run local scripts" and make your own service. Add a "insserv script_name -r" line at the end of this service so it removes itself after firstboot.
How to configure graphics on first boot
- If you want to configure graphics on your firstboot, write a firstboot script (see " How to run firstboot scripts ") that launches sax2. That will configure your graphics hardware.
How to add a user to the sudoers
- Add the sudo rpm and upload a custom /etc/sudoers like this one on the overlay section:
Defaults always_set_home Defaults env_reset
Defaults env_keep = "LANG LC_ADDRESS LC_CTYPE LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE LC_TIME LC_ALL LANGUAGE LINGUAS XDG_SESSION_COOKIE" LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE LC_TIME LC_ALL LANGUAGE LINGUAS XDG_SESSION_COOKIE XMODIFIERS GTK_IM_MODULE QT_IM_MODULE QT_IM_SWITCHER" Defaults targetpw # ask for the password of the target user i.e. root ALL ALL=(ALL) ALL # WARNING! Only use this together with 'Defaults targetpw'! root ALL=(ALL) ALL tux ALL=(ALL) NOPASSWD:ALL
How to customize the yast2-firstboot
- If you want to have your own yast2-firstboot, upload a file with any content as /var/lib/YaST2/reconfig_system and edit the /etc/yast2-firstboot.xml file as your convenience. Make sure the yast2-firstboot package is installed.
- If you just want to run one module, you can do that by adding the line "yast2 modulename" at the firstboot ( see How to run firstboot scripts ).
How to set up crontab
- Upload your custom crontab files onto /etc/cron.daily, /etc/cron.hourly, /etc/cron.weekly, /etc/cron/monthly. Check that you have the crontab rpm installed.
How to setup a custom firewall
- You have two options. Either use the SuSEfirewall2 or the iptools.
** For the first option, edit the /etc/sysconfig/SuSEfirewall2 and the /etc/sysconfig/SuSEfirewall2.d files. ** If you prefer the second one, remove the SUSEfirewall2 package, install the iptools one and add a custom iptools script on boot (see How to run local scripts).
How to add autoyast so that some configurations are done automatically on booting
- Copy an autoyast profile at /var/lib/autoinstall/autoconf/autoconf.xml
- Create a /etc/install.inf file with "AutoYaST:" in it.
- Create an empty file at /var/lib/YaST2/runme_at_boot
- More info on autoyast and how to create profiles at the AutoYaST homepage
How to add services
- Run "insserv servicename" on firstboot (see How to run firstboot scripts).
- If you have your own systemd script (i.e. myscript.service), first uplod it to /lib/systemd/system/myscript.service at files section, then check the "Run script at the end of the build" and then add the following to the script. (Tested on openSUSE 12.1)
ln -s '/lib/systemd/system/myscript.service '/etc/systemd/system/multi-user.target.wants/myscript.service'
Minimal X (Icewm) howtos
- This howtos are specific to the minimal X template. They are basically focus on making kiosk like applications. There are different ways to achieve that and different ways to control the window sizes. As the Minimal X has the Icewm window manager, most of them are related to this window manager.
How to implement a KIOSK like application without window manager
- On some cases you may want to not have any window manager. This cases include when your application can get fullscreen and it is a single window application. You do that by editing the /etc/inittab file and the .bashrc file on the user home dir.
# The default runlevel is defined here id:3:initdefault: # First script to be executed, if not booting in emergency (-b) mode si::bootwait:/etc/init.d/boot # /etc/init.d/rc takes care of runlevel handling # # runlevel 0 is System halt (Do not use this for initdefault!) # runlevel 1 is Single user mode # runlevel 2 is Local multiuser without remote network (e.g. NFS) # runlevel 3 is Full multiuser with network # runlevel 4 is Not used # runlevel 5 is Full multiuser with network and xdm # runlevel 6 is System reboot (Do not use this for initdefault!) # l0:0:wait:/etc/init.d/rc 0 l1:1:wait:/etc/init.d/rc 1 l2:2:wait:/etc/init.d/rc 2 l3:3:wait:/etc/init.d/rc 3 #l4:4:wait:/etc/init.d/rc 4 l5:5:wait:/etc/init.d/rc 5 l6:6:wait:/etc/init.d/rc 6 # what to do in single-user mode ls:S:wait:/etc/init.d/rc S ~~:S:respawn:/sbin/sulogin # what to do when CTRL-ALT-DEL is pressed ca::ctrlaltdel:/sbin/shutdown -r -t 4 now # special keyboard request (Alt-UpArrow) # look into the kbd-0.90 docs for this kb::kbrequest:/bin/echo "Keyboard Request -- edit /etc/inittab to let this work." # what to do when power fails/returns pf::powerwait:/etc/init.d/powerfail start pn::powerfailnow:/etc/init.d/powerfail now #pn::powerfail:/etc/init.d/powerfail now po::powerokwait:/etc/init.d/powerfail stop # for ARGO UPS sh:12345:powerfail:/sbin/shutdown -h now THE POWER IS FAILING # getty-programs for the normal runlevels # «id»:«runlevels»:«action»:«process» # The "id" field MUST be the same as the last # characters of the device (after "tty"). 1:2345:respawn:/sbin/mingetty --autologin tux --delay 1 tty1 # <<------CHANGED LINE-- 3:2345:respawn:/sbin/mingetty tty3 4:2345:respawn:/sbin/mingetty tty4 5:2345:respawn:/sbin/mingetty tty5 6:2345:respawn:/sbin/mingetty tty6 # #S0:12345:respawn:/sbin/agetty -L 9600 ttyS0 vt102 #cons:1235:respawn:/sbin/smart_agetty -L 38400 console # # Note: Do not use tty7 in runlevel 3, this virtual line # is occupied by the programm xdm. # # This is for the package xdmsc, after installing and # and configuration you should remove the comment character # from the following line: #7:3:respawn:+/etc/init.d/rx tty7 # modem getty. # mo:235:respawn:/usr/sbin/mgetty -s 38400 modem # fax getty (hylafax) # mo:35:respawn:/usr/lib/fax/faxgetty /dev/modem # vbox (voice box) getty # I6:35:respawn:/usr/sbin/vboxgetty -d /dev/ttyI6 # I7:35:respawn:/usr/sbin/vboxgetty -d /dev/ttyI7 # end of /etc/inittab
while true do WINDOWMANAGER=/home/tux/bin/start.sh startx done
How to implement a KIOSK like application with window manager
- On some cases you may want a window manager. Then, all you have to do is to select the runlevel 5 on the Configuration section and add an autostart program on user tux. That will overwrite the .xinitrc file on user tux.
- If you want that autostart program to happen on all users, copy the generated /home/tux/.xinitrc to the /etc/skeleton/.xinitrc file.
How to launch an application in fullscreen mode
- Some applications may not be started in fullscreen. One way to control such a thing is to use the icewm-ctrl utility on the .xinitrc (see How to implement a KIOSK like application with window manager ). In order to do so, the icewm-ctrl utility needs the window id.
- Here is an example on how to achieve that with the gbrainy application :
gbrainy & while [ `wmctrl -l | grep gbrainy | wc -l` != '1' ]; do echo "waiting for gbrainy" » /tmp/start.sh.log ;done wmctrl -r gbrainy -b toggle,fullscreen echo "done" »» /tmp/start.sh.log
How to customize icewm taskbar and windows
- Icewm can be very customized. One of the customizations include the taskbar. Also you can customize each window size and design. You can customize this for the tux user by adding the needed files into the .icewm dir. If you want this to happen for all users, copy this dir to the /etc/skeleton/ dir.
- The easiest way to create these files is to use the icewm control panel application. To do that, add the icewmcp rpm into your appliance. Then build it and run it. Open an xterm and run icewmcp and customize your icewm. After that, copy the .icewm into the overlay section.
How to add X for JeOS and Server templates
- In order to get X up and running for JeOS and Server based templates you have to add several packages to your appliance:
- xorg-x11-server - sax3 - xorg-x11-driver-video - xorg-x11-driver-input - xorg-x11-fonts-core (OR xorg-x11-fonts)
- Then go to Configuration tab section and under Startup choose 5:Graphical login.
- Note: by default you will have IceWM as window manager!
Well now, if you speak squareese, thats great, but for ordinary people, this is kinda not so good:
This is a known pango bug (which we hope they will fix soon) and can be remedied easily. We'll just need to regenerate pango's module list and we're going to fix this using Studio again. Let's open the Configuration tab and click on scripts:
Studio enables users to run bash scripts after build finishes, or optionally on every boot of the appliance. Since this one-time fix, we'll go for the former option and add pango-querymodules-64 > /etc/pango/pango64.modules to the build script. If you started with a 32-bit appliance, add pango-querymodules > /etc/pango/pango.modules instead.