System Administration

Amazon EC2 Micro – MySQL Crashes Sporadically

All of a sudden I had started receiving DOWN alerts from Pingdom in the middle of the night almost every week. Each time I checked the source of the issue I’ve seen that MySQL server was crashing or stopping somehow causing the Pingdom alerts. I ignored it for the first time, as I do not host important web sites but when it happened for the second time exactly 1 week after, now I was curious. But the same problem, happening on a Sunday night, one week another? Looks like…

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SMTP Relaying Outgoing Mail in Postfix - using Webmin

Configuring your Email Server for incoming/outgoing mails is not a big deal but it causes some serious issues on the other hand. Some popular email services will flag your mails as spam (only if you're lucky - they might completely block them too) as they are not familiar with your host and you might need to contact them to add your address to their whitelist. Therefore long ago I had decided to use Google Apps for my domain and use Gmail SMTP to support my email service. I have…

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