Operating Systems

Apple OS X 10.4.11 update problems

Some people are having problems with the latest Mac OS X 10.4.11 update.

BSD vs Linux

"It's been my impression that the BSD communit{y,ies}, in general, understand Linux far better than the Linux communit{y,ies} understand BSD. I have a few theories on why that is, but that's not really relevant. I think a lot of Linux people get turned off BSD because they don't really understand how and why it's put together. Thus, this rant; as a BSD person, I want to try to explain how BSD works in a way that Linux people can absorb."

SSH tricks

"SSH (secure shell) is a program enabling secure access to remote filesystems. Not everyone is aware of other powerful SSH capabilities, such as passwordless login, automatic execution of commands on a remote system or even mounting a remote folder using SSH! In this article we’ll cover these features and much more." Full article: SSH tricks

OS X and Linux Command line reference

SS64.com is a useful site with:

Incremental backups on the Mac using rsync and ssh

Instructions for setting up secure incremental backups to a remote server: How to Backup your Mac incrementally over SSH (from Pete Freitag's Homepage).

20 ways to secure Apache

These steps are from Pete Freitag's Homepage.
  1. First, make sure you've installed latest security patches.
  2. Hide the Apache Version number, and other sensitive information.
  3. Make sure apache is running under its own user account and group.
  4. Ensure that files outside the web root are not served.
  5. Turn off directory browsing.
  6. Turn off server side includes.
  7. Turn off CGI execution.
  8. Don't allow apache to follow symbolic links.
  9. Turn off multiple Options.
  10. Turn off support for .htaccess files.