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Tutorial

How to Configure SNMP in Zabbix Server (Debian) to monitor Cisco Switches

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To monitor SNMP(simple network management protocol) enabled cisco switches and routers in Zabbix server, you need to configure the server for SNMP. In this post, I have used a Debian 8 server running  zabbix and setup SNMP in a cisco switch for monitoring its interfaces and bandwidth. The configuration will be in three parts. In the first step, we will install SNMP on the … [Read more...] about How to Configure SNMP in Zabbix Server (Debian) to monitor Cisco Switches

How to setup Gmail SMTP relay to send email from your domain?

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Scenario: you have your own domain and have setup an email address in your server using, say, roundcube. Now, you want to send emails using a reliable free third party SMTP relay. What steps you need to follow to use Gmail SMTP? You have to have postfix installed in your server. This post will show you how to configure postfix to use Gmail SMTP relay. But you to … [Read more...] about How to setup Gmail SMTP relay to send email from your domain?

How to Check and Enable Gzip Compression in CentOS for WordPress?

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Gzip compression is used to zip or compress webpages in the webserver before serving it to the users’ web browser. Thus it saves network bandwidth because the server sends the compressed form of your webpage over the network. Another advantage of Gzip compression is faster page loading time. When the users’ machines receive the compressed format of webpages, it only takes a few … [Read more...] about How to Check and Enable Gzip Compression in CentOS for WordPress?

Active vs Passive FTP Mode: Which One is More Secure?

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FTP or file transfer protocol is used to transfer files between two computers: one is FTP host or server and another is FTP client. In addition to transferring files, FTP helps to gain access to the physical location of the server to modify files such as file deleting, folder creating or even modifying file contents. Before knowing the difference between active and passive … [Read more...] about Active vs Passive FTP Mode: Which One is More Secure?

How to Build Failover Cluster in Windows Server 2008

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The main objective of a failover cluster is to ensure high availability of  services. A failover cluster means that only one server--which is also known as active server--in the cluster will provide the service such as a file server or webserver. When this active server will go offline or will be out of service, another server in the cluster will provide the same service, … [Read more...] about How to Build Failover Cluster in Windows Server 2008

How to Configure VPN,RAS and IPSec Policy in Windows Server

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VPN is a trusted and secure network, which use tunneling and protocol(PPTP,L2TPIPSec) to make data transmission through the public network. RAS: remote access service used to access server remotely from client terminal using dial-up connection. IAS:Internet authentication service is used to remotely and centrally manage all RAS server and keep remote access policy … [Read more...] about How to Configure VPN,RAS and IPSec Policy in Windows Server

Windows DNS Server Configuration

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DNS or domain name system is one of the most important parts of client-server model. Without a DNS no client could be part of a domain and there will be no way you can convert domain name into the IP address of the server. In this post you will find basic procedures that you can use to configure DNS for your domain controller. Though the procedures described in this post is … [Read more...] about Windows DNS Server Configuration

Exchange Server 2003 Tutorial

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Exchange server 2003 installation process: Before installing exchange server on windows server you need to have installed the following Windows components: ASP.NET IIS SMTP NNTP WWW To install the above mentioned components you need to insert your Windows server CD in your CD or DVD drive and then select those components from the add remove components … [Read more...] about Exchange Server 2003 Tutorial