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Send SNMP Traps from Nagios to Remote Management Host
1. Add ‘send snmp trap’ command to nagios vim /usr/local/nagios/etc/objects/commands.cfg define command{ command_name send_snmptrap command_line /usr/bin/snmptrap -v 2c -c public 10.50.24.34 ” NAGIOS-NOTIFY-MIB::nSvcEvent nSvcHostname s “$HOSTNAME$” nSvcDesc s “$SERVICEDESC$” nSvcStateID i $SERVICESTATEID$ nSvcOutput s “$SERVICEOUTPUT$” } 2. Add this event and enable the event to services which needed to send traps vim /usr/local/nagios/etc/objects/localhost.cfg define service{ […]
Adding a New Disk Drive to a CentOS 6 / 7 System
Finding the New Hard Drive in CentOS # ls /dev/sd* /dev/sda /dev/sda1 /dev/sda2 /dev/sdb Creating Linux Partitions # su – # fdisk /dev/sdb Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel Building a new DOS disklabel with disk identifier 0xd1082b01. Changes will remain in memory only, until you decide […]
How To Create a New User and Grant Permissions in MySQL
How to Create a New User Let’s start by making a new user within the MySQL shell: CREATE USER ‘newuser’@’localhost’ IDENTIFIED BY ‘password’; Sadly, at this point newuser has no permissions to do anything with the databases. In fact, if newuser even tries to login (with the password, password), they will not be able to […]