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DNS resolve timeout on RHEL 6.3 behind firewall
Rômulo asked: I have a server running Red Hat 6.3 Enterprise inside a VMWare virtual machine. There’s a Juniper SSG 5 firewall sitting between the server and the Internet. I’m trying to diagnose what...
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MySQL-5.5.10 – Lost connection to MySQL server during query (Both Web Clients...
kwiksand asked: We’ve just upgraded our existing MySQL5.1 DB servers to newer (much better) hardware with MySQL 5.5, and things have been going mostly smoothly for almost 6 weeks. Just the last few...
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Postfix Connection Timed out
Newtonx asked: I used the tutorial below to setup postfix and dovecot on a Digital Ocean server. But I’m getting “Connection Timed out” when postfix/smtp tries to deliver an email to a remote host...
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Should DNS A timeout to result in permanent email failure?
George Bailey asked: Occasionally an email does not get through when sent to a recipient who uses the outlook.com system for their email server. Their MX record resolves fine, but their A record...
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Postfix seems too aggressive while sending newsletters
SteffenNielsen asked: I’m having a problem sending newsletters to certain domains/servers, like yahoo or minor network providers. It’s like I’m spamming their servers with connections and they tell me...
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Let PHP-FPM report the script's current line number on timeout
i.amniels asked: My website is running successfully on PHP-FPM with NGINX on Debian. Timeout period is set at 300 seconds for NGINX. This is enough for most pages, but some scripts get stuck. I can’t...
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