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Tag: FreeBSD

FreeBSD: Monitor svn Updates

If you use theĀ  svn subversion tool to update source tree or ports tree, you want to have a possibility to look back what was pulled, pushed and droped you can use a Log File to monitor the update scripts. This helps if you temporarily log out the Terminal Sessions for a Coffee break. Howto: Login to FreeBSD via SSH Use a tmux program like screen or tmux, if not installed, then install it. This allows ongoing operations on disconnects Run on the Terminal $tmux Run $sudo svn update /usr/src > /home/updates/svn.log #exit STRG+B then press "d" detach The svn […]

FreeBSD: Current Version port upgrade fails with “portsnap extract” bug

If you use the current “head” Version (Release 12) of FreeBSD with a svn updated /usr/src path you could run into errors after updating the OS via buildworld from sources. There’s a bug ahead Revision “r314099” at the “portsnap” lib that will stop on extracting the ports.tgz to /usr/ports! Solution: Pull again sources to /usr/src with $svn update /usr/src $make buildworld $make buildkernel $make installkernel $reboot $mergemaster -p $make installworld $mergemaster -FiU $reboot $portsnap fetch update #again.. to update ports tree $portupgrade -a $reboot This should work now, the failed portsnap extract function was a known bug. If you dont […]

FreeBSD: Clicking noise Harddrive SATA WDC WD5000LPVX SATA 3 Drive on FreeBSD 9.1

FreeBSD: Clicking noise WDC WD5000LPVX SATA 3 Drive on FreeBSD 9.1 same like in Linux: APM Funktion starts/stops the heads and make click sounds, not needed on a Server. To disable like in Linux with hdparm on FreeBSD do: If you want to disable APM (Advanced Power Management) on your hard drive to reduce heads movements and increase your hard drive life you can do that very easy by using ataidle app from FreeBSD’s Ports: cd /usr/ports/sysutils/ataidle make install clean; rehash Then to disable APM on your hard drive run: ataidle -P 0 /dev/ad0 We can start ataidle app at […]

Linux Tip: Split Console Screen on Widescreen Laptop / PCs with “screen” and “terminator”

Current Laptops / PCs uses 16:9 Widescreen Displays and if you dont want to use Xorg (Gnome,unity,Openbox Desktops) you can use on Linux Console the program called “screen” it offers: – Split Consoles horizontally and vertically – disconnect the screen and let the scripts/commands active on remote Systems – reconnect if the remote Session was broken cause network problems On Gnome or unity you can use “terminator” see: – manpage of screen – http://unix.stackexchange.com/questions/7453/how-to-split-the-terminal-into-more-than-one-view

Linux FreeBSD: Protect your Disc Data against power loss

Problem: If you use IDE or SATA Disc Drives inside your Workstation or Server without a additional uninterruppted power supply after a power loss your Disc Drives can lose data, do not boot clean up agian or damage the drive headers and sectors. Background: SATA or IDE Drives uses “Disc Cached Controllers”, the count of this disc cache reach from 8 to 64 megabytes. In case of data write to disc, the disc controllers do cache some data who are often used. A Raid 1 Disc Mirror is affected too by this problem. SCSI od SAS are not using Cache […]

FreeBSD Linux: Remove Clear GPT Partition Table from drives

Problem: FreeBSD 9 use GPT Partitionlabel by default to remove with Linux do: fdisk message: WARNING: GTP (GUID Partition Table) detected on '/dev/sdX' The util fdisk isn't support GPT. do on console: sudo parted /dev/sdX mklabel msdos (Enter Yes!) quit now use Linux fdisk to recreate a new partion Table

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

FreeBSD PCBSD and DesktopBSD easy Setup for Beginners of Unix

If you have a older PC and have learned Linux you can have a closer Look at the new OS of PcBSD or DektopBSD     Its a easy way to learn “real Unix” and understand the structure of a Unix OS, you can setup all kinds of BSD Unix on a very high count of different hardware. The most popular programs of Linux can be used here too, many commands are like linux commands and you can compile always the newest programs onto your System for the highest performance instead of pre-compiled software like redhat-debian-packages (.deb/.rpm)