Scan your network for vulnerable https (OpenSSL TLS Heartbeat Extension Bug - CVE-2014-0160)

We are going to locally build on a linux machine the Heartbleed checker wrote by https://github.com/FiloSottile (thank you!) in order to check for OpenSSL Heartbleed Bug CVE-2014-0160. Fire up your shell terminal and install golang package via aptitude or yum.
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Serving Disk Usage Graphs with Bash and PHP

Lately I was asked to develop and integrate a realtime server disk usage graph to the dashboard of our monitoring application (OpenNMS). The bar graph color should also change when disk usage exceeds a defined  percentage threshold.
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Jail SSH users to SFTP only

… or “confine untrusted users to their home directory (and give them no shell access as well)”
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