How to fix Httpoxy a CGI PHP/Nginx/Apache/Go application vulnerability on Linux or Unix

Posted on in Categories , , , , , , , last updated July 18, 2016

A serious vulnerability was discovered in how CGI scripts are used by Linux or Unix that use PHP, Go, Python, and other scripting languages. How do I fix Httpoxy a CGI application vulnerability on Linux or Unix for HAProxy, Varnish, Nginx, PHP, Go, Python, Tomcat and others?

How to Force Apache To Show a HTTP-410 Gone Status Code

Posted on in Categories , , , , last updated December 14, 2015

I removed www.example.com/foo/file.html from my domain. But, it is still being crawled by Google/Yahoo and many other bots. How do I return a HTTP-410 gone error i.e. tell these bots that resource permanently does not exist using Apache HTTPD server on a CentOS/RHEL/Fedora/Ubuntu/Debian and Unix-like operating system?

How to install Composer on Debian / Ubuntu Linux

Posted on in Categories , , , , last updated August 2, 2016

I‘m trying to upgrade my Mediawiki installation and I’m getting an error that read as follows:
    Error: your composer.lock file is not up to date, run “composer update” to install newer dependencies
How do I install composer command for my PHP installation on Debian or Ubuntu Linux running LAMP or LEMP stack? How do I Install and use Composer on running Ubuntu Linux server and fix this problem for mediawiki installation and/or manage and install PHP packages and dependencies for my project?