GSMShield_ArduinoUno

Renewing Ovirt Engine certificates before they expire

In Red Hat Virtualization earlier than version 4.4 SP1, all certificates followed a 398 day lifetime. Starting in Red Hat Virtualization version 4.4 SP1, the self-signed internal certificates between hypervisors and the Manager follow a five year lifetime. Certificates visible to web browsers still follow the standard 398 day lifetime and must be renewed once […]

Send Nagios SMS Alert with Gnokii

Installing Gnokii Requirements – intltool-0.35.0-2.i386.rpm tar -xzvf gnokii-0.6.28.tar.gz cd gnokii-0.6.28 ./configure make make install cp -Rdp /usr/share/doc/gnokii/sample/gnokiirc /root/.gnokiirc or cp -Rdp /usr/share/doc/gnokii/sample/gnokiirc /etc/gnokiirc configure Gnokii for Wavecom GSM modem #vim /root/.gnokiirc [global] port = /dev/ttyS0 model = AT initlength = default connection = serial use_locking = no serial_baudrate = 9600 smsc_timeout = 10 [xgnokii] allow_breakage […]

Password Validation Plugin in MySQL

The validate_password plugin serves to test passwords and improve security. The plugin exposes a set of system variables that enable you to define password policy. First check the plugin directory of MySQL. mysql> show variables like “plugin%”; +—————+————————–+ | Variable_name | Value | +—————+————————–+ | plugin_dir | /usr/lib64/mysql/plugin/ | +—————+————————–+ 1 row in set (0.00 […]