KeepAlived related tutorial/FAQ

Linux bind IP that doesn’t exist with net.ipv4.ip_nonlocal_bind

last updated February 24, 2020 in High Availability, KeepAlived, Linux, Networking, Nginx

How do I allow Linux processes to bind to IP address that doesn’t exist yet on my Linux systems or server?

Linux nginx: Chroot (Jail) Setup

last updated May 3, 2017 in High Availability, KeepAlived, Linux, Nginx

How do I run Nginx web server in a chroot (jail) so that I can minimizes the damage done by a potential break-in by isolating the web server to a small section of the filesystem?

nginx: Setup SSL Reverse Proxy (Load Balanced SSL Proxy)

last updated May 3, 2017 in CentOS, Debian / Ubuntu, FreeBSD, High Availability, KeepAlived, Linux, Nginx, RedHat and Friends, Suse, UNIX

A reverse proxy is a proxy server that is installed in a server network. Typically, reverse proxies are used in front of Web servers such as Apache, IIS, and Lighttpd. How do I setup nginx web server as SSL reverse proxy?

Handling nginx Failover With KeepAlived

last updated May 3, 2017 in High Availability, KeepAlived, Linux, Nginx, UNIX

How do configure to release and obtain VIP (virtual IP) when nginx is dead, down or system is rebooted for the kernel upgrades?

CentOS / Redhat: Install nginx As Reverse Proxy Load Balancer

last updated May 3, 2017 in CentOS, High Availability, KeepAlived, Linux, Nginx, RedHat and Friends

How do I configure nginx as failover reverse proxy load balancer in front of two Apache web servers under CentOS / RHEL 5.x?

CentOS / Redhat Linux: Install Keepalived To Provide IP Failover For Web Cluster

last updated May 3, 2017 in CentOS, High Availability, KeepAlived, Linux, Nginx, RedHat and Friends, UNIX

Keepalived provides a strong and robust health checking for LVS clusters. It implements a framework of health checking on multiple layers for server failover, and VRRPv2 stack to handle director failover. How do I install and configure Keepalived for reverse proxy server such as nginx or lighttpd?

nixCraft