format a partition with check for badblocks 
Tuesday, April 29, 2008, 10:23 - System
Posted by Administrator
badblocks -swvo <output_file> /dev/PARTITION
mkfs.vfat -l <output_file> /dev/PARTITION


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Upgrade to Hardy Kubuntu 
Friday, April 25, 2008, 12:16 - Debian/Ubuntu
Posted by Administrator
* enable port tcp 80 forwarding on your firewall

because adept_manager connects directly to http://changelogs.ubuntu.com/
https://bugs.launchpad.net/ubuntu/+source/adept/+bug/153016/comments/13

* kdesu "adept_manager --dist-upgrade-devel"

if you use a proxy like approx stop adept_manager after changing /etc/apt/sources.lists and rewrite to

deb http://proxy:9999/ubuntu/ hardy-security universe main multiverse restricted
deb http://proxy:9999/ubuntu/ hardy-updates universe main multiverse restricted
deb http://proxy:9999/ubuntu/ hardy main universe multiverse restricted

and start it again.

after upgrade done add
deb http://proxy:9999/medibuntu hardy free non-free

to /etc/apt/sources.lists

on my proxy /etc/approx/approx.conf:
ubuntu          http://ubuntu.inode.at/ubuntu
medibuntu       http://de.packages.medibuntu.org


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isdn dialin syncppp 
Thursday, April 10, 2008, 10:07 - Network
Posted by Administrator
apt-get install isdnutils-base

because ippp0 sets a default route we change to ippp1:

mv /etc/isdn/device.ippp0 /etc/isdn/device.ippp1
mv /etc/isdn/ipppd.ippp0 /etc/isdn/ipppd.ippp1

/etc/isdn/device.ippp1 (remove '# REMOVE'):
LOCALMSN='XXXXX'
REMOTEMSN=
isdnctrl ihup ${device} on
isdnctrl secure ${device} off

/etc/isdn/ipppd.ippp1 (remove '# REMOVE'):
debug
name YYYYY

/etc/ppp/chap-secrets:
# client server secret IP addresses
YYYYY HOSTNAME PASSWORD ""


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Desktopsharing with vnc 
Wednesday, April 9, 2008, 13:23 - System
Posted by Administrator
sudo apt-get install vnc4-common vnc4

sudo vncpasswd /etc/vncpasswd

/etc/X11/xorg.conf:
Section "Module"
        Load     "vnc"
EndSection

Section "Screen"
        Option          "PasswordFile"    "/etc/vncpasswd"
EndSection



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Using a Flashdisk and take care about limited writes 
Tuesday, March 25, 2008, 11:23 - System
Posted by Administrator
For me it is sufficient to have data written every 20 Minutes.

To enable this i use laptop-mode and set some values in /etc/sysctrl.conf:

vm.swappiness = 0
vm.laptop_mode = 1200
vm.dirty_writeback_centisecs = 120000
vm.dirty_expire_centisecs = 120000
vm.dirty_ratio = 40
vm.dirty_background_ratio = 1


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