proxy server HowTo - Linux / Unix Q & A from nixCraft

How to use curl command with proxy username/password on Linux/ Unix

in BASH Shell, FreeBSD, Linux, Mac OS X, UNIX last updated December 26, 2017

My sysadmin provided me the following proxy details:
       IP: 202.54.1.1
       Port: 3128
       Username: foo
       Password: bar
The settings worked perfectly with Google Chrome and Firefox browser. How do I use it with the curl command? How do I tell the curl command to use my proxy settings from Google Chrome browser?

Set/Export: http_proxy With Special Characters In Password Under Unix / Linux

in BASH Shell, Linux, Squid, UNIX last updated December 4, 2012

My proxy server password has special characters such as !,@, and so on. How do I set and export the variable called http_proxy or HTTP_PROXY when password has special characters under Unix like operating systems?

How To: Nginx Redirect All HTTP Request To HTTPS Rewrite 301 Rules

in Linux, Nginx, UNIX last updated March 12, 2017

I have setup nginx as a secure reverse proxy server. How do I redirect all http://example.com/ requests (traffic) to https://example.com/ under nginx web server?

Reload Squid Proxy Server Without Restarting Squid Daemon

in CentOS, Debian / Ubuntu, FreeBSD, Linux, RedHat and Friends, Squid, Suse, UNIX last updated March 31, 2017

I made some changes to the /etc/squid/squid.conf file and issued the command /sbin/service squid restart. However, this command takes way too much time to restart the server. How do I tell squid to just reread the config file and apply new changes under Linux operating systems?

Mediawiki Fix Internal Server Host Names / Redirection In shared Hosting or Proxy Setup

in Apache, Linux, Nginx, PHP, UNIX last updated January 27, 2012

Our customer support wiki runs on an internal host (ip:192.168.1.100:300, hostname a-node100.:300) and it is behind the nginx reverse proxy server. However, our Apache server end up displaying internal server name http://a-node100.:300/, which results into an unexpected redirection and timeouts as http://a-node100.:300/ is not accessible over the Internet. How do I force nginx or apache to use the base URL of our server (http://support.example.com/wiki/)?

WordPress Install Memcached Object Cache Plugin To Speed Up Blog

in PHP last updated September 13, 2010

How do I install memcached cache plugin under UNIX / Linux to speed up my dynamic database-driven wordpress blog by caching data and objects in RAM to reduce the number of times an external data source must be read?

Use wget with Squid Proxy Server

in Networking, Squid last updated September 8, 2010

How do I make wget work with Squid under UNIX or Linux operating systems?