Freeradius EAP CRL Generation
Once you're issuing certificates for Freeradius authentication, you need to maintain a list of those certificates that are no longer valid. Here's how.
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Detecting And Stopping Cryptolocker Type Viruses
Cryptolocker type viruses can encrypt everything on your network shares. Here's how to detect a zero-day infection that gets past your antivirus and onto your Samba shares.
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Whitelisting IP Address Ranges with iptables and ipset
If you run a firewall you know how important it is to block out the bad guys. Here's how to only allow parts of the world to even talk to you.
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Configuring OpenLDAP replication with OLCSyncrepl
Having just one OpenLDAP server is asking for trouble. Running more than one with replication will save you hours of trouble if one of the servers dies for any reason.
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Using a RADIUS 3.X Server on Ubuntu 14.04 for WIFI Authentication
WPA2 Enterprise is the much more secure wifi authentication method. There's no hackers cracking login passwords if you do this, but there are a few downsides. Here's how to implement it for a small environment using FreeRadius 3.x
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Saving Power on Your Custom Home NAS
Spin down those hard drives! Here's a simple way to configure that on your home custom Linux NAS server.
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Monitoring a Galera Cluster WSREP Status
Nagios can easily monitor your Galera cluster status with a simple nrpe configuration.
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Chrome Hates Your SSL Certificate Security
Chrome has updated security and doesn't like any SSL certificate that uses SHA-1 as it's signing algorithm. That's good. Here's a quick fix for you.
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