Sysadmin

http://ovirt.org/ new project from redhat to provide management console for XEN, KVM [and everything that can be managed via libvirt]

http://markelov.blogspot.com/2008/06/fedora-9-selinux.html notes bout new SELinux user role types available in Fedora 9 and how they can be useful

http://wiki.xensource.com/xenwiki/XenWindowsGplPv Open-source windows para-virtualization drivers drivers for XEN.

http://hostinghelp.biz/content/ddos-%D1%87%D1%82%D0%BE-%D0%B4%D0%B5%D0%BB%D0%B0%D1%82%D1%8C-%D0%B5%D1%81%D0%BB%D0%B8-%D1%81%D0%B5%D1%80%D0%B2%D0%B5%D1%80-%D1%82%D0%BE%D0%BB%D1%8C%D0%BA%D0%BE-%D0%BE%D0%B4%D0%B8%D0%BD-linux-%D1%81-apache article describes some recipes to counter DDoS using iptables limit and string matching filters. Useful

http://xgu.ru/wiki/Nettee see http://saf.bio.caltech.edu/nettee.html

http://debian.telenet.ru/adjustmentsoft/samba_pdc short how-to about configuring AD PDC using debain+samba+ldap+kerberos

http://blog.emmettshear.com/post/2008/03/03/Dont-use-Pound-for-load-balancing another evidence that if u need a loadbalancer – ngnix is the answer these days [and maybe perlball]

http://www.haifux.org/lectures/153/lvm2.html sort of a lecture slides/presenation that contains a useful explaination how several LVM2 features actually work (i.e. backup)

http://docs.rodecker.nl/10-GE_Routing_on_Linux.pdf paper describing linux 10G ethernet performance as per RFC2544

http://www.ibm.com/developerworks/linux/library/l-scalability/?ca=dgr-lnxw02FasterLinuxNet SMP and network performace in linux (tcp only, no forwarding)