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 […]
What is Fail2Ban? Any service that is exposed to the internet is susceptible to attacks from malicious parties. If your service requires authentication, illegitimate users and bots will attempt to break into your system by repeatedly trying to authenticate using different credentials. A common example of this is with SSH, which will be the subject […]
Description: When i tried to configurate a crash safe slave with MTS and GTID based replication, but after a OS crash replication failed to be start. error log: ——————————— 2016-10-26 21:00:23 2699 [Warning] Neither –relay-log nor –relay-log-index were used; so replication may break when this MySQL server acts as a slave and has his hostname […]
