http://www.osl.iu.edu/~dikim/doku/ 2008-06-21T21:46:40-04:00 http://www.osl.iu.edu/~dikim/doku/ http://www.osl.iu.edu/~dikim/doku/lib/images/favicon.ico text/html 2008-06-18T10:55:04-04:00 donginn http://www.osl.iu.edu/~dikim/doku/blog/linux/ssh_tunneling?rev=1213800904&do=diff This is a very useful thing to remember when I need to run a remote X application on a local machine. Especially, when I need to test a web server which is not open to the public. Before using ssh-tunneling, I had to setup ssh X-forward which is not safe at all and then run the web browser on the ssh-connected machine. :-( This causes a really heavy traffic. text/html 2008-06-18T10:53:52-04:00 donginn http://www.osl.iu.edu/~dikim/doku/blog/some_ideas/amazing_my_usb_key?rev=1213800832&do=diff I bought an USB key(1GB, DANE-ELEC) from K-Mart with a very cheap price a few weeks ago. It looked very cute and useful. More importantly, it was very cheap. AFAIR, it was $14. Anyway, I saved my MP3 files(about 900MB) to it and carried it in my pants pocket anywhere. One day, I put the pants to my laundry box without checking the pockets of the pants carefully and totally forgot about my USB key until today. I just wanted to listen what I saved to the USB key and I realized that it is missin… text/html 2008-06-17T13:31:42-04:00 donginn http://www.osl.iu.edu/~dikim/doku/blog/linux/screen_shortcuts?rev=1213723902&do=diff Key Action Notes Ctrl+a c new window Ctrl+a n next window I bind F12 to this Ctrl+a p previous window I bind F11 to this Ctrl+a ” select window from list I have window list in the status line Ctrl+a Ctrl+a previous window viewedCtrl+a S split terminal horizontally into regions Ctrl+a c to create new window thereCtrl+a X Close the current region among the split regions Ctrl+a :resize resize region Ctrl+a :fit fit screen size to new terminal size Ctrl+a F is the same. Do after resizing xterm Ctr… text/html 2008-04-29T00:06:02-04:00 donginn http://www.osl.iu.edu/~dikim/doku/blog/linux/install_oscar_on_ps3?rev=1209441962&do=diff Requirements * OSCAR 5.1 * 2 x PS3 machines or more * USB key * OtherOS Installer * HDMI-DVI connector * YellowDogLinux(YDL)5.0 (PPC) DVD * USB Keyboard and USB mouse * Network Install Step 1. Install YDL5.0 on PS3 * Download the OtherOS installer specially built for OSCAR * Save it to the USB key (FAT format) and then hook it up to the PS3 * Power on PS3 on the game mode * Settings Menu -> System Settings -> A partition setting for hard disk: custom * 60GB = 10… text/html 2008-02-22T19:50:57-04:00 donginn http://www.osl.iu.edu/~dikim/doku/blog/linux/setfacl?rev=1203727857&do=diff Before I forget, I would like to keep it here. setfacl -Rm group:SOME_GROUP_NAME:r-x /foo text/html 2008-02-22T09:13:24-04:00 donginn http://www.osl.iu.edu/~dikim/doku/archive?rev=1203689604&do=diff text/html 2008-02-22T09:06:55-04:00 donginn http://www.osl.iu.edu/~dikim/doku/blog/apple/useful_commands_for_os_x?rev=1203689215&do=diff * ioreg shows I/O Kit registry. I usually use this to check the capacity of a battery in my powerbook ioreg -p IODeviceTree -n "battery" -w 0 | grep IOBatteryInfo * hdiutil manipulates disk images: I usually use this to merge several dmg files to one iso file. text/html 2008-02-06T07:28:43-04:00 donginn http://www.osl.iu.edu/~dikim/doku/blog/linux/simple_scripts?rev=1202300923&do=diff I would like to share my simple scripts that I found useful while working for the Open Systems Lab(OSL) as a System Administrator lsof Sometimes my system is in trouble with the high loadaverage of the web server because of the attack of some malicious IPs. I have tried to look for a command to get the IPs which make this kind of trouble by looking into its pid. text/html 2008-01-13T16:57:00-04:00 donginn http://www.osl.iu.edu/~dikim/doku/blog/linux/restore_grub?rev=1200261420&do=diff Sometimes, you may mess up with your grub and you can not even boot up your system because of the broken grub. Here is a simple way to restore or re-setup grub. * Boot up your system with the first install CD or DVD to go to the rescue mode (e.g., linux rescue) * Let the rescue mode mount your linux partition(your root(/) partition) to /mnt/sysimage. * chroot /mnt/sysimage * grub-install /dev/hda <= if your grub is not installed/messed up, try to reinstall it * grub * root (hd0,1… text/html 2007-12-31T12:15:42-04:00 donginn http://www.osl.iu.edu/~dikim/doku/links?rev=1199121342&do=diff Open Systems Lab OSCAR OSCAR Trac OSCAR Wiki OSCAR's SF IUCS Helpdesk Password encryptor IUCS FAQ IUCS Events IUCU IU One start IU Webmail IU Exchange mail OSL Webmail IU OIS GMail Hotmail Yahoo mail My Cyworld My Calendar The Linux Documentation Project KLDP JBOOK Haskell AsmGofer Korean School Korean Politics Stoo ISPlus NAVER Open MPI PVM Torque Ganglia Perceus Monroe County Public Library CCC Xen IRC FAQ