UNIX

General UNIXish stuff

• The Vim Editor
• The Z Shell
• SSH Port Forwarding
• Multitail
• Authenticating against Active Directory
• grepping in XML and other structured files
• Process groups, sessions, parents and so on

Misc. Information

• Stripping VLAN tags in pcap
• Stupid pf tricks

Minix

External Links

Technical Documentation

• Network Stack Documentation

FreeBSD

External Links

• http://www.mavetju.org/unix/multimedia.php
• All about netgraph

Local How-To Articles

• IPSEC tunneling using Racoon and gif(4)

• Changing an IPSEC endpoint's IP address

• Deploying MySQL from ports

• MAC Spoofing with Netgraph

• Resizing partitions with disklabel and growfs

• ccd(4) driver on freebsd

• Mail content filtering in a jail(8) with postfix/amavisd/spamassassin/clamav

• If you create a ext2 partition you want to be able to mount on freebsd make sure to use only 128 bit inodes. (using mke2fs -I 128).

• FreeBSD binary package upgrades

• FreeBSD ZFS: Playing with compression on the ZFS filesystem

NetBSD

External Links

• Updating an existing system with build.sh

Local How-To Articles

• IPSEC tunneling using Racoon and gif(4)
• Using vnconfig to add more vnode-backed swap

OpenBSD

Local How-To Articles

• OpenBSD Anomalies
• OpenBSD Squid RAM-disk
• IPSEC using isakmpd, ipsecctl and gif(4)
• Building a tiered access OpenVPN gateway on OpenBSD
• OpenBSD CARP router/firewall zsh shell prompt
• OpenBSD NFS Server with Linux Clients
• OpenBSD readonly root
• Sun Netra t1 compact flash root
• Read-only root filesystem on a Soekris
• Using OpenBSD with onewire(4) gear
• OpenBSD QinQ (VLAN tag stacking / nesting, etc)

Solaris

• pkgsrc on solaris
• Solaris tricks

IRIX

• pkgsrc on IRIX
• IRIX tricks

AIX

• AIX tricks

HP-UX

• HP-UX tricks

Mac OS X

Okay, I don't really consider this a 'real' unix, but this is probably the best place for it.

• pkgsrc on OS X
• OS X tricks