Linux setup
Linux KVM setup
iSCSI setup
Linux cluster setup
Linux Xen setup

Linux kernel interfaces

Linux kernel debugging

Linux kernel tracing and profiling

Making Linux patch


Windows kernel interfaces

OS X kernel interfaces

FreeBSD setup
FreeBSD kernel interfaces


Fax found by fax machine at SAP building

VAX/VMS great security hole (a reminiscence)

Early history of Oracle in the USSR (a reminiscence, in Russian)