Russell Coker’s Documents

Here are some speed results for RAM according to Memtest86+ on some machines that I have run. Note that the reported speed varies between runs by a few percent.

Compaq Athlon 1GHz PC133 RAM (3 DIMMs)219MB/s
Compaq P3-800MHz PC133 RAM (1 DIMM)270MB/sCompaq P3-800MHz PC133 RAM (3 DIMMs, 2*128 + 256)240MB/s
Compaq P4 1.5GHz PC133 RAM (3 [...]

Currently Debian/Lenny contains all packages needed to run SE Linux. Development continues so there are periodic updates which sit in Unstable for a while before migrating to Lenny (testing).
I have set up my own APT repository for SE Linux packages. This has packages that need newer versions than in Lenny but which will [...]

Here is a complete list of entries for /etc/magic related to SE Linux.
# SE Linux policy database for Fedora versions less than 5, RHEL 4, and Debian before Etch
# http://doc.coker.com.au/computers/selinux-magic
0      lelong  0xf97cff8c      SE Linux policy
>16    lelong  x              v%d
>20    lelong  [...]

Here are links to some instances when SE Linux prevented exploits from working or mitigated their damage:

Based on past mistakes by myself and others, here is a check-list before putting a Linux (or other Unix) server online:

Run memtest86+ (or an equivalent program for other architectures) before going live, ideally run it before installing the OS. Run it again every time you upgrade the RAM.
Reboot the machine after every significant change. [...]