Build a virtual network lab

http://www.marionnet.org/EN/

Open SOHO apps

http://www.datamation.com/open-source/50-must-have-open-source-apps-for-your-home-office-1.html

Lighttpd with PHP and MySQL on Natty

http://www.howtoforge.com/installing-lighttpd-with-php5-and-mysql-support-on-ubuntu-11.04

Secure WordPress with plugins

http://fossforce.com/2011/06/wordpress-plugins-for-security-robustness/

Freeware tools for SysAdmins

http://www.brendangregg.com/specials.html

Track your system’s logs with Logcheck

http://linuxaria.com/pills/logcheck-scan-your-logs-and-warns-you?lang=en

Install Mageia on encrypted btfs

http://www.linuxbsdos.com/2011/06/22/install-mageia-1-on-an-encrypted-btrfs-file-system/

Quickies: upgrade Debian to Iceweasel 5

http://debian.stevenrosenberg.net/index.php/2011/06/22/if-youre-running-iceweasel-401-from-mozilladebiannet-change-your-sources-to-iceweasel-50/

Bare bones Sparkleshare

http://www.linux-magazine.com/Online/Blogs/Productivity-Sauce/Getting-Started-with-SparkleShare

Extend a libvirt raw volume on Squeeze

http://www.debian-administration.org/article/670/Extending_a_libvirt_raw_storage_volume_in_Debian_Squeeze

Squid on Squeeze

http://www.howtoforge.com/debian-squeeze-squid-kerberos-ldap-authentication-active-directory-integration-and-cyfin-reporter

Customize MacVim

https://github.com/carlhuda/janus

Configure IPv6 for your network

http://beginlinux.com/desktop/opensuse/auto-configure-ipv6-for-your-network

Using chkconfig

http://www.thegeekstuff.com/2011/06/chkconfig-examples/

Dropbox alternatives

http://www.techdrivein.com/2011/06/7-good-dropbox-alternatives-for-linux.html

More server hardening tips

http://blog.monitis.com/index.php/2011/06/22/25-linux-server-hardening-tips/