Recently I had problems with installing Oracle 11gR2 Express Edition on CentOS 6.4.

The installation of the RPM package worked but the database configuration crash with the following error:

1# service oracle-xe configure
2...
3"Database Configuration failed.  Look into /u01/app/oracle/product/11.2.0/xe/config/log …

If you want to receive mails on your smartphone or tablet you have to choose between two completely different technologies:

• Polling - The mail server is contacted in a pre-configured timeframe (30 minutes, 1 hour,...) and asked for new messages
• Pushing - The mails servers informs the mobile device about about new …

Not everybody wants his contacts and calendar entries synchronized to the Google Cloud - I'm also one of those persons who prefer synchronizing sensitive data locally.

With HTC ROMs you can use HTC Sync for this - for me this have been the only reason why I used this ROMs for a long time.

But what to do if you don't …

Currently I'm implementing a IPSec tunnel between my and another flat. After my first plan, using an already existing Raspberry Pi as IPSec gateway, fizzled after plently of failed tries I decided to implement a router-to-router solution.

The center of my network is a ALIX.2D13 which is used as IPCop to offer DNS, NTP …

Sometimes it might be necessary to mount Linux file systems under Windows.

This can be done very easily using a tool named "DiskInternals Linux Reader". This tool is able to mount the following file system types in read-only mode:

• ext2/3/4
• reiserFS/reiser4
• HFS(+)
• UFS2

Be noticed that the tool only mounts …

Today Red Hat released the fourth update of Red Hat Enterprise Linux 6. After 8 months there's also another update that brings a lot of fixes and new features.

The Release Notes für RHEL 6.4 are, as usual, very considerably - I personally think, that the following updates are specially mentionable:

Kickstart

Using th …

Reading the World Wide Name (WWN) / World Wide Identifier (WWID) of a controller or a LUN is not always easy unter HP-UX - depending on the release. Especially under the older releases 11.11 and 11.23 additional tools are required to get the requested information - this is much easier under 11.31.

Controller …

There are plenty of changes that have to be made after a fresh HP-UX 11i v1/v2 installation because of missing pre-configuration. For example:

Name resolution

By default, the file /etc/nsswitch.conf doesn't exist and has to be created and modified using a template. If this isn't done, neither XF86 nor the sw utility …

It is possible that a system update for a Google Nexus device can't be found and - according to this - downloaded, even if the update was definitely released.

A reason for this issue might be the "Google Services Framework" - it forces an error while communicating with the Google update servers. A solution …

A few days ago I wanted to use my HP C8000 workstation after a long time - but a defect changed my plans. Instead of showing the Boot Console Handler (BCH) the C8000 only presented a black screen. Even the serial interface was not working at all - no good sign.

I had a deepter look at the issue and unplugged all …