Unix

Unix related items

Searching for Deferred Messages in postfix logs Sunday, October 12, 2008

Little command-line utils to find deferred/bounced/lost emails to specific providers

Garmin ETrex Legend + Linux Monday, August 18, 2008

A quick reminder/tutorial on downloading track information from a Garmin ETrex Legend.

SSH Key authentication and Tunneling to a proxy host Monday, June 23, 2008

Someone asked how to set this up quickly and easily… the idea being:
1) you have a host somewhere on the interwebs that’s accessible via SSH and runs a squid/proxy for you
2) you have a macintosh
3) you don’t normally do unix-y things
4) you’d like a command-line quick and easy setup to allow you to proxy your traffic (web/chat) through your ssh host and sqiud

GPG key expiring or not Tuesday, April 01, 2008

So, after a period of time your GPG key will expire, if you want it to expire, that’s good news. If you happen to still be using it, not so good news. Simple un-expire instructions follow.

Some simple postfix processing things Sunday, March 25, 2007

Postfix has a bunch of queues, and a bunch of stats through other packages, how about some simple shell things if you have multiple instances running?

Perl command line editing files Saturday, March 24, 2007

I can never remember how to do this, I always have to try the 10 versions of perldoc help then resort to google searches… So, documentation in a common place seems like a nice idea.

GPG/PGP for the pine application Monday, February 26, 2007

GnuPG and PGP are public key encryption programs, they are nice and convenient and helpful at avoiding sending ‘important’ content in the clear in email (SMTP is plain-text you remember, right?) Often console-based email clients can be fussy to setup to use this software. Here’s a quick guide, stolen from someone else (Stolen-content).

Grub and New Kernel Installation Friday, February 23, 2007

Once you make your new kernel, how do you put it into use? 

Setting an SSL Certificate's passphrase Thursday, February 22, 2007

Often when you start with an SSL certificate it has a passphrase, you may want to change that later. You may realize your webserver won’t start without entering a passphrase at the startup dialog. That’d be a bad thing for your webserver, eh? Really the problem isn’t with the certificate so much as the key, which is encrypted with a passphrase.

Making yourself an SSL certificate Monday, October 30, 2006

How many people have wanted to make an SSL certificate for one reason or another and didn’t want to pay the outrageous fees to someone to get a legittimate one, afterall if it’s just encryption you want why pay when openssl makes them free for you? Here’s how…

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