Monthly Archives: March 2010

SSH Configuration Tips

Posted on March 10, 2010 by Administrator

I came across a useful blog post with 20 SSH configuration tips. I’ll have more to say later about why the tips are useful, but the title of “Top 20 OpenSSH Server Best Security Practices” is not really accurate. Top … Continue reading →

Posted in BSD, Open Source, Tech | Leave a comment

linux 100% swap Screenshot

Posted on March 6, 2010 by Administrator

Nice screenshot of 100% swap space being used on a popular but ill Perl app running under ModPerl::PerlRun. Tasks: 85 total, 2 running, 83 sleeping, 0 stopped, 0 zombie Cpu(s): 0.0%us, 14.8%sy, 0.0%ni, 17.0%id, 68.1%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 8174024k … Continue reading →

Posted in Linux, Open Source, Perl | Leave a comment

Redhat system-config-securitylevel Surprises

Posted on March 2, 2010 by Administrator

When I use a firewall generator, like Redhat’s system-config-securitylevel, this is not what I expect when I tell it to allow only ports 22, 80, and 443: # Firewall configuration written by system-config-securitylevel # Manual customization of this file is … Continue reading →

Posted in Linux, Open Source, Tech, Toys | 1 Comment