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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 […]
Sending SNMP Traps from Nagios
As well as receiving SNMP traps in Nagios, you can send SNMP traps from Nagios to a remote SNMP management station like HP OpenView (NNM) or the like. The easiest way to do this is to create a notification command that generates an SNMP trap. This way, you can use an SNMP management station as […]
Important Linux Commands
### Check Inode usage for i in /*; do echo $i; find $i |wc -l; done ### How do you empty a linux directory with a large size/number of files? -bash: /bin/rm: Argument list too long find . -name “*” | xargs -n 10 rm