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MySQL Master-Master Replication Bug – ERROR 1872
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 […]
Nagios Notifications using SMTP server with Authentication
We needed to setup Nagios to utilize our internet service providers SMTP Email server for notification emails. The biggest problem was that the ISP’s outgoing email server requires authentication. Nagios setup with SMTP outgoing authentications. These are instructions and examples on how we got this setup working. I hope this helps others in the Nagios […]
Fix Asterisk 1 way Audio Issues
NAT issues Perhaps the most common problem encountered is one-way audio, and 99% of the time, this is caused by a NAT firewall. So here are the steps you must take to configure the PBX to work behind a NAT firewall. Make sure you have a resolvable address on the Internet. If you don’t want […]