A miscellaneous collection of tech notes, how to's, cheat sheets, hints and tips and resources which don't fall into any other category.

Latest posts

Giving 'scp' go faster stripes

1 minute read    2864 visits.

Transferring files with scp isn't the quickest option, but if it's the only one there's a simple way to make it go a little quicker.

xargs examples

5 minute read    2821 visits.

xargs command are unlike most other Unix commands in that its function is not so much to do something on its own, but to construct other commands

How much memory is in this UNIX system?

1 minute read    2738 visits.

This is a relatively simple question, but alas, poor Yorick!, the answer is not plain sailing as all flavors of UNIX and Linux have different tools.

Allocating Sufficient Swap Space

1 minute read    2659 visits.

If the system needs more memory resources and the RAM is full, inactive pages in memory are moved to the swap space.

#man RTFM

3 minute read    3440 visits.

RTFM is often used as a response to technical questions. Unfortunately, some folks do not even know how to find the manual, let alone understand it.

Text file end-of-line termination

2 minute read    2639 visits.

Solaris and Linux use only a new-line character. Windows based systems use both a new-line and a carriage return

Subnet Mask and Subnetting

3 minute read    2765 visits.

Subnetting gives you the possibility to organize your hosts into logical groups, configuration that improves the network security and performance.