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PowerDNS flexible, fast DNS Server

I’ve recently been testing/installing PowerDNS for a web hosting provider. Man am I impressed. You have a number of options to choose for a backend to PowerDNS, my choice is the mysql (gmysql) backend. The DNS server basically relies on a MySQL server to store all of the data. Why is this so great you […]


C++ Compiler

I you are trying to compile software on a new system, and you get this error: checking how to run the C++ preprocessor… /lib/cpp configure: error: C++ preprocessor “/lib/cpp” fails sanity check See `config.log’ for more details. Then you need to install the gcc-c++ compiler: # yum install gcc-c++ or # sudo apt-get install gcc-c++ […]


If you are a system administrator of a linux system, you may find the following log entries familiar: Sep 15 02:00:30 sol sshd[16364]: Failed password for invalid user test from ::ffff: 61.167.x.x port 53382 ssh2 Sep 15 02:00:30 sol sshd[16365]: Failed password for invalid user test from ::ffff: 61.167.x.x port 53394 ssh2 Sep 15 02:00:30 […]


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