Differences between Baseband and Broadband

Both baseband and broadband describe how data is transmitted between two nodes. Baseband technology transmits a single data signal/stream/channel at a time while broadband technology transmits multiple data signals/streams/channels simultaneously at the same time. Read More …

413 Request Entity Too Large and PHP Execution Time

It can be found on standalone Apache/Nginx/IIS web server or while proxy-based solutions when Nginx acts as a front end server for Apache at back end server. In this guide, we will see how to fix this error “413 request entity is too large” in Apache as well as in Nginx, Microsoft IIS , and definitely in PHP as well. Read More …

Direct Broadcast Address (DBA)

With directed broadcast, all recipients are always addressed within the target network. A combination of the number of the target network and the setting of all host bits to 1 produces the broadcast address in this case. If the destination is not located in its own (sub-) network, a router forwards the data packet. Read More …

Nginx – Password Protect Web Directories

Managers of web projects often need to protect their work one way or another. Often people ask how to password protect their website while it is still in development. On an Apache web server, it’s possible to password protect a directory using .htaccess and .htpasswd files. However, .htaccess files are not supported on Nginx. Read More …

Linux – scp transfer files (passwordless) between systems

SSH (Secure SHELL) is a network protocol that is used to login into remote servers for execution of commands and programs. It is also used to transfer files from one computer to another computer over the network using secure copy (SCP) Protocol. Let’s see how to automate, passwordless, using Public/Private keys, file transfers between systems. Read More …