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How to gracefully reboot MariaDB Galera Cluster servers?
Cluster Configuration In this example configuration of two nodes, we assume that the servers are connected over private network. This allows direct connections without requiring SSH tunnels. The most important parts is to enable listening on IP protocol and to configure addresses and names of the cluster nodes. The config files are similar for each […]
OBD Call using Asterisk CLI
This is a useful command when building your dial plan, it allows testing of the dial plan remotely. There are a couple of commands to explain. The first is the originate command a highly useful tool for checking any IVR context’s, this is how to use it. originate SIP/14075551234@sip-outbound extension s@auto-att Let me explain this.: […]
Setting up the Basic High-Availability Cluster on Centos/RHEL 7
Networking: We have two nodes that are reachable by below Networks: 10.1.1.0/24 : Cluster heartbeat vlan. 172.16.1.0/24 : LAN with access to the Internal LAN network and Internet. We have set the following hostnames: [master ~]# hostnamectl set-hostname master.sysadmin.lk [client ~]# hostnamectl set-hostname client.sysadmin.lk We defined the Hostname and IP Address in “/etc/hosts” file(On both […]