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Using Julian days for calendar calculations

Q: I need to determine days between arbitrary dates. I’ve seen epoch seconds as a possible...

Extracting products from a large depot

When working with large, multi-product depots such as the Internet Express collection, it is often...

LAN speed test with no disk I/O

Q: I need a way to test LAN performance but I don’t want disk I/O to...

Mounting an ISO image in HP-UX

Some applications are supplying ISO images rather than actual CDs or DVDs for installation. An...

Forcing Speed and Duplex of on-board network interface e1000g on T2000, T5120, and T5220 with ndd

By default the e1000g network interface is set to auto-negotiation enabled, 1Gbps full-duplex. # ndd -set...

GZIP/GUNZIP with no extra storage`

When you gzip (or compress) a file, the original plus the compressed copy will exist...

Say Yes? Say No? Say what?

Anyone who has written an interactive script has had to ask a yes or no...

Renumbering device instances

With really large disk arrays, you can find instance numbers piling up very quickly, and...

Java out of memory on HP-UX

java.lang.OutOfMemoryError: Map failed This is a common error for 32 bit applications. Without special handling,...

Stopping pwgrd (password daemon)

The password daemon (pwgrd) was created to manage massively large password file (more than 500...