Linux

http://lwn.net/Articles/321702/ Message to Kernel Mailing List about differences between XEN and KVM .

http://www.sit.auckland.ac.nz/Skiplist_recovery This note explains how you can recover corrupted skiplist databases used by cyrus to keep track of the mailbox status (eg READ/UNREAD email).

http://www.ibm.com/developerworks/linux/library/l-10sysadtips/?S_TACT=105AGX99&S_CMP=CP really good article. If you did not find at least 1 useful trick in this article you must be really cool (like Linus himself)

http://www.gluster.org/docs/index.php/GlusterFS fully-distributed network file system (fully = no separate meta-data servers ). Supports data redundancy (data can be stripped/mirrored across several nodes), supposed to be high performance. supports encryption and can be embedded in app server (i.e. apache won’t need to go through the kernel for FS access )

http://support.microsoft.com/kb/555092 Apache authentication against AD (via Kerberos). Really easy to do, but make sure you put your kerberos real all in UPPER CASE, i.e. MYDOMAIN.COM. If you are using something like MYDOMIAN, then put it into config as MYDOMAIN.LOCAL

http://boombick.org/blog/posts/48 [RUSSIAN] How to configure Perlball + Heartbeat as HA load balancer with session support for app servers

http://technet.microsoft.com/en-au/magazine/dd228986.aspx tehcnet article on providing authentication against AD using samba/winbind

http://blog.foppiano.org/2007/12/11/installing-source-package-with-yum/ in the essence it is:

http://blogs.technet.com/seanearp/archive/2008/06/29/linux-on-hyper-v.aspx Blog posts shows some screenshot of various linux distros running under MS new virtualization solution, similar to XEN. Hyper-V used special network device (not sure about block device, i.e. disk ), so linux needs a

http://conshell.net/wiki/index.php/Xen_Hosting_Providers list of hosting providers that host XEN (PV) images. /some host custom images/