Mount a ZFS dataset

Mounting an unmounted ZFS dataset is very easy. Eg I have a ZFS pool called orapool. Within in this pool I have various datasets like u01, u02, ... and u06:

# mount | grep u06
/u06 on orapool/u06 ...

Wake-On-Lan with Linux

I have two systems. One is my HTPC and the other is my notebook (both running slackware as usual). Both system are connected via my home router. My HTPC is connected directly via lan cable to my home router and my notebook is connected to my home router via wireless lan. In my case I want to wake up my HTPC from my notebook. To check if WOL is supported use the tool ethtool: 

Create SPFILE from PFILE

PFILE: traditional init.ora file, changes via eg. vi
SPFILE: binary file, changes via SQL 'alter system...'

To create a spfile login to your database as sysdba locally:

$ sqlplus "sys/oracle as sysdba"

Run the following SQL statement to create a binary spfile from a text pfile: 

Change Core behaviour in AIX

When you need to change the core behaviour in AIX then run lscore the check the current settings, eg.:

# lscore
compression: off
path specification: off
corefile location: not set
naming specification: off

Suspend to disk/ram with Linux

This article describes the following topics:

Suspend to disk
Suspend to ram
Stand-By
Configure buttons for ACPI events
Issues with KDE
Issues with VT6102 (Via Rhine NIC)

List DVD content

If you need to know what is on your DVD then you can use mplayer. With the right option mplayer lists the content of any DVD. This is very useful if you need to copy your DVD's to harddisk etc. (especially for TV series on DVD). Just run the following mplayer command to list the DVD content (output truncated - very):