電腦 | Peter Luk's Blog

check_generic plugin for Nagios core

check_generic to call custom command on Nagios core.

http://www.my-plugin.de/wiki/projects/check_generic/tutorial

Startup key combinations for Intel-based Macs

Keystroke Description Press C during startup Start up from a bootable CD or DVD, such as the Mac OS X Install disc that came with the computer. Press D during startup Start up in Apple Hardware Test (AHT). Press Option-Command-P-R until you hear startup sound a second time. Reset NVRAM Press Option during startup […]

Video Delivery: HTTP Pseudo-Streaming

Introduction

Both MP4 and FLV videos can be played back with a mechanism called HTTP Pseudostreaming. This mechanism allows your viewers to seek to not-yet downloaded parts of a video. YouTube is an example site that offers this functionality. HTTP pseudostreaming is enabled by setting the option provider=http in your player.

HTTP pseudostreaming combines the […]

IEEE Network interface controller MAC address range

http://standards.ieee.org/develop/regauth/oui/oui.txt

configure vmware vcenter 5 server

http://pubs.vmware.com/vsphere-50/index.jsp?topic=/com.vmware.vsphere.vcenterhost.doc_50/GUID-0B9988FF-5FB6-4656-9C58-EE3617B57E90.html

Minimum requirements for the VMware vCenter Server 5.x Appliance

http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2005086

Have some problem to start the DB2 embedded database in the appliance. May be I have allocated too little RAM to it?? After some investigation, the DB2 embedded database can be started using the below procedures in a 2GB footprint :

su – db2inst1 […]

Some drupal links

Create custom region in drupal : http://mydrupalblog.lhmdesign.com/creating-custom-regions-drupal-6-themes

L2TP over IPsec client on Linux and Ubuntu

Finally, a tool which can provide the required UI and generate the suitable configuration for xl2tp, ppp and openswan to provide the L2TP over IPsec on Linux with only a few clicks. I have tested it, it works without problem with my dept ASA applicance and CUHK’s VPN. The only minor problem is that you […]