http://it.pomocnik.com Some usefull IT howtos and tips. Wed, 17 Mar 2010 10:49:37 +0000 http://backend.userland.com/rss092 en No free space on ext3 filesystem, How To free it up when deleting files takes no effect? The solution: manually set the number of reserved filesystem blocks to zero: sudo tune2fs -r 0 /dev/sdb2 Replace /dev/sdb2 with your partition. http://it.pomocnik.com/no-free-space-on-ext3-filesystem-how-to-free-it-up/ Recently I've bought ssd drive for my notebook and 2.5" Enclosure for the old hdd. My 2.5" Enclosure has no switch on/off, so ... to turn it off I have to plug and unplug the usb cable, but ... there's a better way All I need to do is to install sg3-utils, ... http://it.pomocnik.com/howto-switch-off-spin-down-external-usb-firewire-disk-hard-drive/ How to move all MySQL databases to a new server in a few simple steps. Let's assume your original location of mysql is at /media/disk/... Your new location of mysql is at / You just need to synchronize two directories /etc/mysql and /var/lib/mysql/. Remember to stop mysql before doing this, and start ... http://it.pomocnik.com/how-to-move-all-mysql-databases-to-another-server/ Lat week, I installed Firefox 3 final release I use lots of very usefull addons with my Firefox 2, and unfortunately some of them were disabled after upgrading from FF2 to FF3. After some Googling, I found something that solved my problem. The solution on How to Force Enable Incompatible Extensions In ... http://it.pomocnik.com/force-enable-incompatible-extensions-in-firefox-3/ What to do if you got this error on 64bit linux distro, you've downloaded skype static and you've copied libsigc-2.0.so.0 and libsigc-2.0.so.0.0.0 to /lib32?: that was wrong! - and the error is: skype: error while loading shared libraries: libsigc-2.0.so.0: wrong ELF class: ELFCLASS64 Solution is quite simple - just wget libsigc++-2.0-0c2a_2.0.16-3_i386.deb (or ... http://it.pomocnik.com/skype-error-while-loading-shared-libraries-libsigc-20so0-wrong-elf-class-elfclass64/ What to do if you got this error on 64bit linux distro and you've downloaded skype static?: skype: error while loading shared libraries: libsigc-2.0.so.0: cannot open shared object file: No such file or directory Solution is quite simple - just wget libsigc++-2.0-0c2a_2.0.16-3_i386.deb (or some other version appropriate to your distro (remember to ... http://it.pomocnik.com/skype-error-while-loading-shared-libraries-libsigc-20so0-cannot-open-shared-object-file-no-such-file-or-directory/ It's very eay to check uuid, just ls some dir ;-): ls -l /dev/disk/by-uuid/ that's all! http://it.pomocnik.com/how-to-check-uuid-for-specified-disk-partition/ How to uninstall Google Desktop for Linux? If you use Fedora, Mandrake or some other rpm based linux distro: run the command: rpm -e google-desktop-linux If you use Debian, Ubuntu, Kubuntu or some other deb based linux distro: run the command: dpkg -r google-desktop-linux http://it.pomocnik.com/how-to-uninstall-google-desktop-for-linux/ You get: FATAL: Could not determine fully qualified hostname. Please set 'visible_hostname' After installing squid (=after apt-getting squid on Ubuntu) Solution is very simple. Open your squid.conf file (/etc/squid/squid.conf) find out visible_hostname and put any name after visible_hostname: visible_hostname myLocalDesktopComputer That's all. http://it.pomocnik.com/fatal-could-not-determine-fully-qualified-hostname-please-set-visible_hostname/ Couldn't open: /dev/mga_vid, Error opening/initializing the selected video_out (-vo) device. i u got this error while trying mplayer to play video on Linux (Kubuntu, Ubuntu or other). The solution is very simple: Right click on mplayer window, go to preferences and oopen Video tab and choose correct driver. If you use OpenGL gl ... http://it.pomocnik.com/couldnt-open-devmga_vid-error-openinginitializing-the-selected-video_out-vo-device/