Notes on PHP handlers

Comparison Graph DSO CGI SUPHP FASTCGI Low CPU usage ✔ ✔ Low Memory consumption ✔ ✔ ✔ Runs PHP as site owner instead of Apache ✔ only w/ suEXEC ✔…

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Notes about Spamassassin

The default rules set location: /var/lib/spamassassin/some_version_here/updates_spamassassin_org The custom rule set location: /etc/mail/spamassassin/ To update Spamassassin default rules set: sa-update -D  

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I have confused for many time about these three terms, STARTTLS vs SSL vs TLS. Therefore, I did some research and summarize them in short. STARTTLS is a way to use an existing insecure connection…

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Choice of Apache 2.4 MPM

For a super fast request/response, choose Prefork MPM, but RAM killer For a super fast concurrency-tagged server, choose Event MPM Reference: Difference between MPM in Apache

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