All subversion checkouts, commits and other basic operations work as expected, but when attempting to copy, move or tag (copy) a (502 Bad Gateway) error presents itself. The error may be similar to the one presented below. Setup There is a machine running nginx on port 80 (and 443 SSL) that serves as a reverse proxy for among other things…
Read More »Migrating to newer version of a web application from one domain to another has had it’s challenges. Since this web application has multiple projects, each project may be migrated one at a time. The goal is to redirect traffic to the new projects as they are migrated to the new domain. As part of that goal, the projects that have…
Read More »Scrolling through log files is unrealistic. Using ‘awk’, ‘grep’, ‘sed’, and ‘cut’ to parse through them can be quite a chore – and still has it’s place for specific searches. However, here is an interesting tool called GoAccess. GoAccess is a real time web log analyzer tool. Running a CentOS 6, minimal installation, to install. To use, for example to…
Read More »I wanted to play with a simple load balancer with powerful implications. A load balancer using nginx as the front end and two apache servers on the backend. server1 – apache – 192.168.1.89 (CentOS 6) yum -y install httpd echo server1 /var/www/html/index.html lokkit -s http -s https chkconfig httpd on && service httpd restart server2 – apache -192.168.1.90 (CentOS 6)…
Read More »Nginx is a web server. It can act as a reverse proxy server, as well as a load balancer and an HTTP cache. There was a need for an nginx reverse proxy (RP), so found a set of instructions that worked. However, after implementing those instructions, and getting everything configured, it was a determined a newer version of Nginx was…
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