X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=grml_tips;h=cdb37e80961645dafefea7f9e0e942bffe35ffe7;hb=3afdc13d424d74183874631841ca0d5f949158a7;hp=5cce08e8f86961d0e8ab77fed35278894049c380;hpb=540a674d23e4a8ea690f2f8bc12a525fa52961c8;p=grml-tips.git

diff --git a/grml_tips b/grml_tips
index 5cce08e..cdb37e8 100644
--- a/grml_tips
+++ b/grml_tips
@@ -2719,7 +2719,7 @@ Enable shadow passwords:
 
 # shadowconfig on
 -- 
-Set up an IPv6 tunneln on grml:
+Set up an IPv6 tunnel on grml:
 
 # ipv6-tunnel start
 -- 
@@ -3057,3 +3057,54 @@ umount -l /cdrom
 eject /dev/cdrom
 echo b > /proc/sysrq-trigger
 -- 
+Show what happens on /dev/sda0:
+
+# mount the debugfs to relay kernel info to userspace
+mount -t debugfs none /sys/kernel/debug
+
+# is a convenient wrapper arround blktrace and blkparse
+btrace /dev/sda0
+-- 
+Convert Flash to Avi:
+
+% ffmpeg -i input.flv output.avi
+-- 
+Usage example for cryptsetup / -luks encrypted partition on LVM:
+
+volume group name:   x61
+logical volume name: home
+
+echo "grml-crypt_home /dev/mapper/x61-home none luks" >> /etc/crypttab
+Start cryptdisks
+mount /dev/mapper/grml-crypt_home /mnt/test
+-- 
+fdisk/parted/... complains with something like
+'unable to open /dev/sda - unrecognised disk label'?!
+
+See http://grml.org/faq/#fdisk =>
+
+* use /sbin/fdisk.distrib from util-linux
+* switch to sfdisk, cfdisk,...
+* use parted's mklabel command (but please read the
+  parted manual before executing this command)
+-- 
+dmraid - support for SW-RAID / FakeRAID controllers
+like Highpoint HPT and Promise FastTrack
+
+Activate all software RAID sets discovered:
+# dmraid -ay
+
+Deactivates all active software RAID sets:
+# dmraid  -an
+
+Discover all software RAID devices supported on the system:
+# dmraid -r
+-- 
+Extract winmail.dat:
+
+List content:
+% ytnef winmail.dat
+
+Extract files to current directory:
+% ytnef -f . winmail.dat
+--