Networking
Optimizing Website integration with Amazon’s S3 Service
Saturday, February 28th, 2009At Participatory Culture Foundation we use Amazon’s S3 Service to host our static content — css, js, and images. This accomplishes two things — it improves the performance for our visitors since Amazon has faster performance and reliability then we can afford on our own servers, and it does so at a lower cost. In [...]
NTP Configuration
Thursday, January 24th, 20081) Install ntpd if not already there. Link it to your default startup directory. ln -s /etc/init.d/ntpd /etc/rc3.d/S99ntpd 2) /etc/ntp/step-tickers: time.nist.gov pool.ntp.org 3) In /etc/sysconfig/iptables open up the port: # NTP is only accessible via the Gig Backbone: -A RH-Firewall-1-INPUT -m state –state NEW -m udp -p udp –dport 123 -s 192.168.1.0/0 -j ACCEPT 4) [...]
Default Passwords
Saturday, October 6th, 2007Neat link of default passwords, always handy during security assesments: http://www.phenoelit-us.org/dpl/dpl.html
Terminology, Speeds, Etc
Saturday, October 6th, 2007Bits, Bytes, and Capitals… Although these seem to get interchanged often, and (except for confusing bits and bytes) don’t make a huge difference…we should try and use the correct, precise language. Bit is short for Binary digIT, and represents an on(1) or off(0). A bit is abbreviated with a lowercase b. [...]
EVDO and SSH Timeouts
Saturday, October 6th, 2007When I switched to EVDO, I started having major problems with SSH Sessions timing out, which is a major problem for me. I have also run into this on some Cable broadband systems, while DSL has always performed well. I use an SSH Tunnel to send outgoing email (so regardless of whether I’m on my [...]