In this CentOS 7 tutorial we are going to learn how to install and configure DHCP Server on CentOS 7 Linux. At the end of this tutorial you should be able to configure your CentOS 7 server as a DHCP server and issue dynamic IP Address to the client Computers on your network.
Very Secure FTP Daemon (VSFTP) is the most popular FTP server implementation use in CentOS 7 Linux. Vsftpd has been very popular because it is a very fast, lightweight FTP server and very easy to configure.In This CentOS 7 tutorial we are going to learn how to install and configure VSFTPD on CentOS 7 Linux.
More often we use netstat command to list open ports on a Linux system. But not only that, we can use netstat command to display routing table by combining with -nr options. The output of the netstat -nr in Linux very identical to route -n command, which can also use to display the routing table.
Usually we add ip routes in Linux using either route command or "ip route" command. While both commands work the same way, neither command can use to add permanent routes to the system. They will get removed if you restart the network or if the server rebooted. We have two methods to add permanent static routes in CentOS 7. One method is to use nmcli command, another method is to add entries manually by directly adding the configuration file into the /etc/sysconfig/network-scripts/ directory.
First of all what is a Persistent Route? The answer is very simple. persistent route is a permanent static route that will not be deleted when computer restart. Use following format to add Persistent route in Microsoft Windows using CMD(You need to run CMD as administrator)
MTR (My Traceroute) is a real time network diagnostic tool used to trace the path IP packets take to its destination. My Traceroute is a combination of two other networking tools, ping and traceroute. Even though MTR originally was a unix like software, windows version of the software called WinMTR available for Microsoft Windows operating systems.You can download the latest verion of WinMTR from this website for both 64bit and 32 bit systems.
Simple Mail Transfer Protocol (SMTP) protocol is used to send emails From Client To Mail Server Across the Internet. SMTP is used to Send Mails. To Receive emails From the Server to email Client (MUA) on Your Computer, One of Following Two Mail Access Protocols can be used.
Below is a Good Video Tutorial I Found on YouTube, Talks About What are Ports and Sockets in Networking. It is Short And Simple.