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Author: XceptN

How to Replace the Background Image of a WordPress Theme

For the wordpress theme you are using on your blog, you might like to change the background image. Some themes support that directly and some don’t. But you still have a chance.

blogging

How to Use “tcpdump” to Log OCFS2 Interconnect (o2net)?

If from the /var/log/messages you are receiving network / o2net related errors and some OCFS2 / system functionality is not available or not working properly, generating a ‘tcpdump’ over the network interconnect may help to diagnose the problem for root cause analysis (RCA).

linux

How to Enable XenStore Tracing for Xen / OracleVM?

In /var/log/messages you see that there may be some problems with the XenStore Daemon (xenstored) of the Oracle VM  or Xen Server. In some cases it will be useful to have a debug trace of XenStore daemon for its operation. 

OracleVM

Add “Tweet This!” to your Blogs

You can update your wordpress theme to have such a “Tweet This!” link. How?

wordpress

HP QLogic Drivers

The released drivers need some good patching for rhel5 oel5 and OracleVM.

development

Programming for iPhone

Humm .. I have been programming J2ME for MotoROKR E6 and liked it.. Now have an iPhone 3G and I see that there is more opportunity. Considering to buy a nice book/guide for iPhone app development.. There are many options, and I’d like to have your ideas:

development

traceroute Fails with -F (do not fragment bit) Argument

With traceroute-1.4a12-XX  the -F argument is used to avoid intra-switch fragmentation. From traceroute(8) manpage:        …       -F     Set the “don’t fragment” bit.       … When ‘-F’  is specified the traceroute fails to get connected. Even with localhost:

linux

Extra Data Received on Transport in Urgent Mode (MSG_OOB)

While transmitting data in Urgent Mode  at the socket layer: Urgent mode is initiated using send(…, MSG_OOB), Current outgoing queue is longer than MTU Several packets are sent out with the URG flag set. The Urgent Pointer field in the TCP header is not updated correctly. Instead, it stays the same.

kernel

Importance of Price, Quality and Support Effectiveness for Virtualization

See this page for a good story about it .. Some highlights:

linux

Converting video’s for Motorola ROKR E6

The ROKR E6 has a 320×240 (QVGA) screen where the QCIF is 176×144.. The aspect ratio does not match.. xCIF is mandatory with the h263 codec.. I know Rokr E6 can play h263.. But any QCIF fornat dıes not look good. The aspect ratio is 1.22 for CIF. The phone screen is 320×240 (QVGA) where…

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linux

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