sha1sum in Mac OS X

Mac OS X doesn’t come with a sha1sum utility. Neither does fink. So what’s the quickest way to check a sha1sum on a Mac? Use openssl: openssl sha1 filename If you’d like to roll this sha1sum check into a simple bash script, create the following...

SMTP relay with FreeBSD and sendmail

Here’s a guide to setting up a FreeBSD server to relay emails for a set of IP addresses and/or hostnames. Be very careful to only enable relaying for trusted machines. Ideally, you’d setup your FreeBSD sendmail server to require authentication. Enable...

Installing djbdns dnscache on FreeBSD 6

djbdns is a DNS server package that was created in response to BIND’s history of security holes. Whenever I setup a Linux or FreeBSD DNS server, I try to use djbdns rather than BIND. Here’s how to setup a DNS caching server using FreeBSD 6.x and...

Printing to a Cannon ImageRunner 5075 from Microsoft Word 97

One of my customers recently had a Canon ImageRunner 5075 coper/printer/fax unit installed in their office. Everything seemed to be working until someone tried to print a document in Microsoft Word 97. It seems that Microsoft Word 97 didn’t like the new printer....

Configuring the Cisco VPN Client in Ubuntu Linux 7.10 (Gutsy)

I do some work for an organization which requires me to authenticate to a Cisco VPN. Getting the VPN client setup under Mac OS X is a simple matter, but doing the same under Linux required some research. Here’s what worked for me. I’m using the 64-bit x86...

VNC in Mac OS X 10.3.9

The latest version of Vine Server (3.0) only officially works with Mac OS X 10.4 or later, but there’s a way to make it work with Mac OS X 10.3 (Panther). After installing Vine normally, just delete the following directory. It contains the offending OS X 10.5...

Kismac r62 download for Mac OS X 10.3 (Panther)

I was able to download a copy of the elusive Kismac r62 – the last version of Kismac to run on Mac OS X 10.3 (Panther). Kismac r62 is now running happily on my G4 iBook with OS X 10.3.9. I’ve mirrored Kismac r62 here in case anyone wants to download it:...

Prevening an iBook G4 from going to sleep when closed

Here’s how I prevented my iBook G4 notebook from going to sleep when the lid is closed. This worked with Mac OS X 10.3.9 (Panther). YMMV. If you’re running a OS X 10.4 (Tiger) or newer, you might want to check out InsomniaX instead. InsomniaX should work...