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  1. 2014-04-10 How to fix OpenSSL Heartbleed vulnerability on CentOS
    The Heartbleed Bug The Heartbleed Bug is a serious vulnerability in the popular OpenSSL cryptographic software library. This weakness allows stealing the information protected, under normal conditions, by the SSL/TLS encryption used to secure the Internet. SSL/TLS provides communication security an... Read more
  2. 2012-08-11 How to fix "readv() failed (104: Connection reset by peer)" error in Nginx
    "Connection reset by peer" error in Nginx: [error] readv() failed (104: Connection reset by peer) while reading upstream, client: x.x.x.x, server: host.tld, request: "POST /script.php, ... may occur because the following PHP parameters can cause the PHP process to end unexpectedly: max_input_time... Read more
  3. 2012-08-09 How to fix "upstream timed out (110: Connection timed out) while reading" error in Nginx and PHP-FPM
    "Upstream timed out (110: Connection timed out) while reading upstream" error may occur when it takes more than 60 seconds for PHP-FPM backend to respond. [error] upstream timed out (110: Connection timed out) while reading upstream, client: x.x.x.x, server: howtounix.info, request: "GET /script.ph... Read more
  4. 2012-08-09 How to fix upstream timed out (110: Connection timed out) error in Nginx
    When you come across "Upstream timed out (110: Connection timed out)" error in your Nginx log: [error] upstream timed out (110: Connection timed out) while reading response header from upstream, client: xxx.xxx.xxx.xxx, server: howtounix.info, request: "GET / HTTP/1.1", upstream: "http://127.0.0.... Read more
  5. 2012-08-03 How to fix "500 OOPS: cannot change directory:/home/someuser" error
    Probably you have SELinux (Security Enhanced Linux) enabled by default in your system. There are two ways to fix this problem. The first one is to disable SELinux, and the second one is to configure SELinux properly. Disabling SELinux To disable SELinux open its config file in an editor, for examp... Read more
 
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