Monat: Mai 2010

How to compile the Centos SME Server 7.4 Linux Kernel 2.6.34

Download the latest stable kernel from the http://www.kernel.org/ unpack the downloaded source file. Steps: # wget http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.34.tar.bz2 # tar xjf tar xjf linux-2.6.34.tar.bz2 # ln -s linux-2.6.34 linux # cd linux # cp /boot/config-`uname -r` ./.config # make menuconfig (here you can select .config as preselected .config from old kernel) # make rpm (Compile the Kernel and make a rpm-paket) During the compilation of linux-2.6.34 kernel the following error appears drivers/message/fusion/mptsas.c: In function `mptsas_port_delete' drivers/message/fusion/mptsas.c: 105: sorry, unimplemented: inlining failed in call to 'mptsas_set_rphy': function body not available drivers/message/fusion/mptsas.c: 467: sorry, unimplemented: called from here Because: The ‚mptsas_set_rphy‘ function is […]

Review and Testing Ubuntu 10.04 on Thinkpad R50p

Today i setup Ubuntu 10.04 on my old Thinkpad R50p Short Review: console-kit-daemon more than 30 threads unsolved bug since 9.04 – bad – fast nice easy Setup Dialog – good – does not Support fglrx ATI 3D Drivers – bad – fast Boot new Gui-Desktop with changed Window Buttons on left – bad – NO HUMAN Theme Design now its purple „New AGE Design“ – very bad – ALL Drivers work out of the box – good – faster Operation on same Hardware – good – faster Opensource Madwifi Driver (ath5k) – good – NO TEXT BOOT MODE!! remove […]

Thinkpad R50p ATI xserver hanging freeze sometimes Debian Lenny

Hardware: R50p with ATI Graphic 128MB 01:00.0 VGA compatible controller: ATI Technologies Inc M10 NT [FireGL Mobility T2] (rev 80) System: Debian Lenny 5.0 Driver: fglrx Solution: install cpufrequtils #sudo apt-get install cpufrequtils edit #nano /etc/initrd/cpufrequtils change line „ondemand“ to „performance“ check System #dmesg System show „unstable clocksource“ last line edit #sudo nano /etc/boot/menu.lst add to Kernelparametes line /vmlinuz-2.6.26-2-686 root=/dev/hda3 ro quiet vga=normal clocksource=acpi_pm ..reboot This will run System on max. Speedstep and Videos does’nt hang X-Server. Should help on other Thinkpads to with ATI Chip’s

Ubuntu Lucid Lynx 10.04 Bug vnc4server press „m“ not usable! vnc4server

Problem: If you install vnc4server and open a ssh tunnel session to you Lucid Lynx Server you can’t press little key „m“ cause it highlights taskbar indicator applet! Solution1: 1. edit /home/username/.vnc/xstartup 2. add lines: #!/bin/sh # Uncomment the following two lines for normal desktop: # unset SESSION_MANAGER # exec /etc/X11/xinit/xinitrc [ -x /etc/vnc/xstartup ] && exec /etc/vnc/xstartup [ -r $HOME/.Xresources ] && xrdb $HOME/.Xresources xsetroot -solid grey vncconfig -iconic & x-terminal-emulator -geometry 80×24+10+10 -ls -title "$VNCDESKTOP Desktop" & x-window-manager & #gnome-session & (disable gnome opens only Screen with a Xterm) 3.save xstartup 4.restart vncserver #vncserver -kill :1 and then […]

Ubuntu 10.04 Lucid Lynx Kiosk Mode

If you run your PC as Family PC for Kids or Public PC you have to make some changes: Step: Setup Ubuntu 10.04 with alternate Disk! select XDM as Login Manager by default!! go /etc/init folder as root edit control-alt-delete.conf and disable reboot without login go /etc/acpi make chmod 000 on powerbtn.sh hibernation.sh lidbtn.sh to prevent unwanted shutdown make #sudo aptitude remove gnome-power-manager to prevent unwanted standby by all users test forced shutdowns pressing all buttons at menu optional add autologin at login manger for a user without „sudo“ rights optional add to startup the opera -kioskmode Browser Command (fullscreen […]

Ubuntu 10.04 Lucid Lynx Videocall VoIP Webcam Chat Skype

For using Video Chat over different continents you need under Ubuntu 10.04 following steps: buy a older used good Webcam Logitech Fusion (UVC-Driver-Webcam) go to Skype Homepage install Skype Beta for 8.10 (working on 10.04 too) plugin Webcam install skype-deb paket #sudo apt-get install skype-ubuntu-intrepid_2.1.0.81-1_i386.deb login to skype if you have a account, if not register at skype for free ..have fun..out of the box Webcam Chat works out of the box! (This was a big problem of older ubuntu/debian versions, cause i can’t phone to other countries)

Ubuntu 10.04 Lucid Lynx disable hide REBOOT SHUTDOWN STANDBY SUSPEND GNOME SYSTEM MENU SECURE KIOSK MODE

Problem: If you install ubuntu 10.04 Desktop by default every user can shutdown,reboot,hibernate or standby a PC If you want to disable this make: – install gdm2conf from the ppa channel to customize hide System Menu at Login GDM2 Manager – create custom Gnome System Menu Policy against User shutdown,reboot,hibernate or standby. Steps: create new policy file: #sudo touch /etc/polkit-1/localauthority/50-local.d/custom-menu.pkla edit new policy: #nano nano /etc/polkit-1/localauthority/50-local.d/custom-menu.pkla insert into: [Disable suspend] Identity=unix-user:* Action=org.freedesktop.devicekit.power.suspend ResultActive=no ResultAny=no [Disable hibernate] Identity=unix-user:* Action=org.freedesktop.devicekit.power.hibernate ResultActive=no ResultAny=no [Disable shutdown] Identity=unix-user:* Action=org.freedesktop.consolekit.system.stop ResultActive=no ResultAny=no [Disable reboot] Identity=unix-user:* Action=org.freedesktop.consolekit.system.restart ResultActive=no ResultAny=no reboot and try! To disable CTRL-ALT-DEL REBOOT edit […]

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