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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...

Using Live Upgrade To Apply Patches To Running Solaris 10 x86

The following is my procedure to patch a Sun x4540 booted on a ZFS filesystem with the...

Java out of memory on HP-UX

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