High Availability linux cluster with Pacemaker and Corosync

Corosync Corosync is an open supply Cluster Engine. it’s miles virtually a communication gadget that enables or extra Linux Cluster nodes to transfer statistics among them. Corosync is continually listening on designed port number wherein Linux Cluster nodes are sending information. Corosync verbal exchange machine permits all of...
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Install and configure LDAP server on Centos and RHEL

OpenLDAP is a free open-source LDAP convention. LDAP remains for Lightweight Directory Access Protocol. A LDAP server essentially is a non-social database which is upgraded for getting to, however not composing, information. It is principally utilized as a location book (for e.g. email customers) or validation backend to...
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Setup and Configured FirewallD Rules To Make Linux Servers Secure

The RHEL7 has introduce new security module/aplication/daemon for managing and support network/interface zone with named Firewalld. Firewalld replaces the iptables interface and it is compatible with both IPV version ipv4 and ipv6 and it’s related firewall settings. firewalld provides facility to configure firewall rules dynamically on linux system...
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Nginx Load Balancer on Centos/RHEL/Fedora

Nginx is is free open-source high performance load balancer with caching http server as well as reverse proxy web server, SMTP, IMAP, POP server. Nginx provide the load balancing feature nginx easily distribute the load across multiple backend servers without any technical issues which scale your infrastructure and...
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Postfix load balancing and High Availability with HaProxy

HAProxy is a absolutely price less open source high availability and load balancing solution for application layer protocols such as HTTP, SMTP, MYSQL etc…. HAProxy provides fast, reliable, stable high availability and load balacing solution for small, medium and enterprises organizations. It is very useful for high volume...
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