haproxy
Fast and reliable HTTP reverse proxy and load balancer. tldr-pages
On several platforms
Several platforms
Check configuration file for validity
haproxy -c -f path/to/haproxy.cfgIdentifyStart HAProxy with a configuration file
haproxy -f path/to/haproxy.cfgIdentifyStart in daemon mode
haproxy -D -f path/to/haproxy.cfgIdentifyStart in master-worker mode
haproxy -W -f path/to/haproxy.cfgIdentifyStart with debugging mode enabled (foreground, verbose output)
haproxy -d -f path/to/haproxy.cfgIdentifyReload configuration with graceful shutdown of old process
haproxy -f path/to/haproxy.cfg -sf process_idIdentifySet maximum number of simultaneous connections
haproxy -f path/to/haproxy.cfg -n maxconnIdentifyReload with zero downtime by reusing sockets from old process
haproxy -f path/to/haproxy.cfg -x path/to/haproxy.sock -sf process_idIdentify