Blogs

Asus O!Play on Release 1.30P

I upgrade my O!Play media box to the newest Release 1.30P on Sunday and CIFS really improved.
Before that upgrade I had to open the Network folder twice to get my Samba server into the list, now it will detect that immediately.

Merge/Join MP4 Videos

Using cat on the command line to simply merge multiple MPEG4 files into one, will just not work. VLC will stop after the first part.
But this is not really surprising, the header is originating from the first file and still contains the information about the single file.
I am now using a mencoder wrapper script to merge multiple MPEG4 files into a new MPEG4 container named complete.mp4:

SNMP Monitoring for Java VM

SNMP is not really simple, but quite a useful protocol, if you want to run standard monitoring tools like Nagios, Zero RRD or Cacti.
Even though Java offers JMX for runtime information like thread and memory consumption, you can also use SNMP to read at least a subset.
In my opinion usage of a standard monitoring tool has several advantages over JMX-based visualization in jconsole or Lambda Probe:

  • Statistics fit into centralized reporting, e.g. for SLAs.
  • The tools are independent of the Java VM. If the VM freezes, the history is still available

DD-WRT on LinkSys WRT54GL

After strange behavior while reconfiguring my DD-WRT on the LinkSys hardware I am using and even instabilities, I decided to upgrade to the recommended DD-WRT firmware for my WRT54GL model.

I have been using DD-WRT on that same router for years and also conducted several updates, but recently (over the past few months) the router's behavior turned from stable to weird.

But it seems the latest upgrade procedure fixed the problems.

Fix VDR Recordings (MPEG-PS)

I currently use the following script to copy a VDR recording into a MPEG-PS container using a very robust input decoder, so any error in the recording is fixed:

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