how to change the default ssh port in linux

linux change default port

One of the best ways to connect to a remote machine is by using the ssh protocol. Secure Socket Shell (or ssh) is a cryptographic network protocol that allows you to securely connect to a remote machine. It also refers to a suite of utilities that implement the protocol, such as the ssh server and an ssh client. In order for…

how to forward ports on a network router

port forwarding for age of empiers

Network Routers are an integral part of your home network. Most applications and services works without having to open up ports on your router. But sometimes there are some applications, such as multiplayer games, p2p networks and web servers that necessitates the need for certain ports to be open or forwarded so that they can function correctly. The network router…

network router: how and why to change channels..making router faster

Web Interface for Asus Router

It is very likely that you already use a network router to handle your home network. A network router gives you the ability to manage and configure both the wired and the wireless network on a local scale, usually for work or home. A wireless local area network (called WLAN) allows to link multiple devices and to a wider area…

seo: 9 ways to improve server response time of your website

Server Response Time for SEO

The most important factor in Search Engine Optimization (SEO) is the overall page loading time. If you have a fast loading page, then you might be able to get away with a lot of other issues. As you might already know, most of the SEO optimizations are geared towards making the webpage load faster. One of the performance bottleneck could…

how to find which program or process is using the port in linux

nmap, lsof, netstat outputs

A port in computer networking refers to a communication end point on a particular machine. It is associated with one machine or an IP address and is used as a communication mechanism between two or more machines. A port is said to be open, when a software is actively using the port either to receive or to send data and/or…

how to check for open ports or sockets in linux

zenmap port scanner in linux

The Linux operating system as well as many of the Linux applications use ports to communicate with each other. A port can be viewed as a communication endpoint that is identified by a number called the port number. This port number along with the address of the machine is used by other applications to communicate with an application (or process)…

5 caveats to be aware of before using data compression

Gnome Data Compression Software

Data Compression or compressing of your files and folders do have many advantages. It is a process by which the resources such as disk space and network time can be conserved by reducing the overall size of the files. There are several reasons as to why you might want to compress the files and folders, several of which are good….

what is data compression and why use it

Zip File opened in Ark for KDE

Data compression is a process by which the file size is reduced by re-encoding the file data to use fewer bits of storage than the original file. The original file can then be recreated from the compressed representation using a reverse process called decompression.  There are several different algorithms and implementations that allow you to compress your files, some of which…

5 compelling reasons you should have a network router at your home

Network Router Ethernet Port

Network Router is a network device that sits usually between an internal network (LAN or Local Area Network) and the external network (usually a WAN or the internet) and forwards network data packets to machines based on their addresses. You usually need a network router if you have an internal or home network and have to connect to the internet. You…

what is an IP address and how to find it…

Internet Protocol (IP) Address is an unique number that is assigned to your computer or any device for that matter, like your smart phone, router or printer, when it is connected to a computer network (eg. internet). There are usually two types of networks that you could be directly connected to, an internal network or the internet. If your computer…

how to speed up your internet? 3 easy ways to do it…

Internet Speed Keyboard

You can always squeeze a little more out of your network speed. Here are three ways to further speed up your internet/network connection speed. First, do an internet speed test to ensure that you getting a good network speed, something that your ISP promised that you will get. Usually you are never going to hit what they promised, but you…