Today i got new parts for my workstation: – Phenom X6 1090T – Asus M4N75TD AM3 – 8GB RAM 1333Mhz from Kingston 4x 2GB Kingston HyperX – Graphic Card Nvidia 8400GS Low Noise (fanless) runs well as low noise workstation! tests following… Board works on: – FreeBSD 8.0 (nforce 750) – Debian Lenny 5.0 AMD64 – Ubuntu 10.04 – Centos 5.4 / SME Server 8.0beta5 works NOT: cause nforce SATA chip not recognized! by setup CD – Centos 4/5 – Redhat – FreeBSD 7 Powerconsumption as Server 130Watt/h without DVD and Graphiccard 103Watt/h with 6 Cores at 3600Mhz Temp 32 […]
Ubuntu 10.04 Lucid Lynx: Change Image Location Path of Screensaver Slideshow – Xscreensaver
If you want to use a other Path for xscreensaver Slideshow then create as user file called #nano .xscreensaver and insert: imageDirectory: /home/username/wallpapers
Ubuntu 10.04 Lucid Lynx: JWM Window Manager hangs on Login
Bug: If you want to use JWM as fast Window Manager instead of Gnome you got a little Bug, after Login at GDM Login Manager the JWM Desktop seems to hang. Background: missing deps of menu and menu-xdg Solution: #sudo aptitude install menu menu-xdg #sudo update-menus #sudo service gdm restart if you miss some installed Programs then edit: #sudo nano /etc/menu-methods/jwm (and add lines, easy look for other program lines and copy them) after close and save the jwm file-menu-template run #sudo update-menus and relogin.. enjoy the fast slim Desktop..
Change easy to Linux with the Linux-Installer for Windows
Get-Debian-Installer-for-Windows Get-Ubuntu-Installer-for-Windows (Image Banners removed Copyright!)
Ubuntu Lucid Lynx 10.04: Disable IPv6 (dmesg = no IPv6 routers present)
Problem: on default ubuntu lucid lynx setup ipv6 is enabled, dmesg shows boot.log= wlan0: no IPv6 routers present to speed up on a ipv4 network you should disable it. Solution: – run #sudo nano /etc/sysctl.conf add lines: #disable ipv6 net.ipv6.conf.all.disable_ipv6 = 1 net.ipv6.conf.default.disable_ipv6 = 1 net.ipv6.conf.lo.disable_ipv6 = 1 -quit save and reboot.. -to test system open terminal and enter #dmesg -the message = wlan0: no IPv6 routers present should not be seen!
Ubuntu Lucid Lynx 10.04: Login Manager GDM with Mac Look
download theme: here and run: sudo gdmsetup or gdm2setup (Lucid) Mac OS is NOT shown under ubuntu you will see PC Name like “Laptop”
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 […]
Change Default Browser on Debian Ubuntu Linux to Opera
run as root/sudo: #update-alternatives –config x-www-browser System shows: Auswahl Alternative ———————————————– 1 /usr/bin/iceweasel *+ 2 /usr/bin/opera Enter: 2 relogin into X-Server/Desktop and Opera is default!
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 […]
WordPress Bug 2.9 “Your attempt to edit this post:”
Problem: After upgrade to Version 2.9 of WordPress on PHP4 Posts are saved as Draft Error: Message = Your attempt to edit this post: Solution: Install Plugin WP CMS Post Control http://wordpress.org/extend/plugins/wp-cms-post-control/ go Settings Post Control Core disable “Autosave”
Hardening Freebsd 7.1 Filesystem with Raid1 and Journal
Problem: If you setup a free freebsd webserver with two disks on same size the ufs2 filesystem fails the gmirror raid1 if the server lost power. The problem is that open files are destroyed. Solution: If you setup a new freebsd system create for every partition a extra partition (for journal) install the gjournal AFTER GMIRROR!! and make some power failure tests. After powerfailure the system must reboot and rebuild its mirror and should run online after rebuild without any problem. Howto for gmirror gjournal