Global Server Load Balancing via DNS

The following guide outlines the deployment methodology and installation instructions for DNS based Global Load Balancing service. The solution includes PowerDNS Authoritative application deployed on Centos 7.9 servers. The application supports static as well as dynamic DNS records. The dynamic records contain small snippets which can perform different checks based…

NGINX Reverse Proxy Deployment

NGINX can be deployed in front of web applications to improve the response time (by caching) and to provide additional layer of security. NGINX can perform the functions of Reverse Proxy, SSL Offload and Load Balancing for the Web Applications. The following guide outlines the deployment methodology and installation instructions…

Linux Identity and Policy Management

The following guide outlines the deployment of FreeIPA Identity management solution. The solution provides centralized identity management for Linux and LDAP clients. The solution also includes authentication and authorization controls. FreeIPA is an integrated security information management solution combining Linux (Fedora), 389 Directory Server, MIT Kerberos, NTP, DNS, Dogtag (Certificate…

DNS Anycast Deployment

The following guide outlines the deployment methodology and installation instructions for deploying DNS Anycast Infrastructure. The solution comprises of DNS Load Balancers (dnsdist) which sit in front of the Caching DNS Servers and Load Balance the DNS queries among the backend DNS Servers. For advertising the Anycast IPs BGP routing…

MySQL NDB Cluster Management

Safe Shutdown and Startup of NDB Cluster To shut down the cluster, enter the following command in a shell on one of the machine hosting the management node: $ ndb_mgm -e shutdownConnected to Management Server at: 192.168.100.11:11864 NDB Cluster node(s) have shutdown.Disconnecting to allow management server to shutdown. The command…