netstat Command Tutorial In Linux with Example

netstat Command Tutorial In Linux with Example

The netstat command is used to display network connections for network protocols like TCP and UDP. The netstat can display routing tables, network interfaces, network protocol statistics, open ports, etc. Both Linux distributions and Windows operating systems provide the netstat command. In this tutorial, we examine different usage examples for the netstat command. netstat Command … Read more

How To Set Proxy For wget Command?

How To Set Proxy For wget Command?

The wget command is a popular command used to download files via the command-line interface. Proxy is used as an intermediate host which redirects HTTP and HTTPS requests to the destination server. In some cases, we may require to set a proxy for the wget command. In this tutorial, we examine how to set a … Read more

How To Generate Random Number In Bash Linux?

How To Generate Random Number In Bash Linux?

Linux bash provides different ways to generate random numbers. Random numbers can be used for different cases like security, selection, generating random content, etc. Linux bash can be used to generate random numbers by using the operating system devices, commands, etc. Using the $RANDOM Environment Variable The bash shell provides the $RANDOM environment variable which … Read more

Linux telnet Command Tutorial

Linux telnet Command Tutorial

Telnet is a network protocol and tool used to connect remote systems via a command-line interface. Similar to SSH, telnet can be used to manage remote systems. Telnet use the TCP port 23. Event the telnet is created by Microsoft it is popularly used Linux and network systems. In this tutorial we examine how to … Read more

rsync Command Tutorial with Examples

rsync Command Tutorial with Examples

The rsync is a utility to transfer and synchronize files and folders between different computers in an efficient and secure way. The rsync command is provided by all Linux distributions, Unix systems. The rsync command provides easy synchronization, compression for network optimization, multithread performance, etc. In this tutorial, we examine how can we use the … Read more

tcpdump Tutorial with Examples

tcpdump Tutorial with Examples

The tcpdump command or tool is used to analyze network packets on Linux systems. It provides the ability to parse, filter and display network packets and protocols in different ways. The tcpdump is created in 1988 for BSD systems and ported most of the Unix, Linux operating systems and became very popular. The tcpdump is … Read more

How To Install and Setup Pi-Hole On Ubuntu and RaspberryPi?

How To Install and Setup Pi-Hole On Ubuntu and RaspberryPi?

Pi-Hole is a network-wide adblocking software that can be installed on Linux distributions like Ubuntu, RaspberryPi. Also, the Pi-Hole can be installed on Docker containers easily. The Pi-Hole is used as a DNS server and checks every DNS request and domain name if it is secure. If the requested domain name is not secure the … Read more

“ip route add” – Add Route In Linux

"ip route add" - Add Route In Linux

Linux provides the ip route command in order to manage the routing table. The routing table is used to set routes for different destination IP addresses. Even there is a default route in most of the cases which are used to sent IP packets to the other networks we may need to add new routes … Read more

Bash Shell Script Comment

Bash Shell Script Comment

Linux Bash Shell Script Comments can be used to add some information about the script of specific command or line in a script file. Comments are not interpreted as a shell script command. Single line or multiline comments can be created in a shell script. Bash Shell Script Singleline Comment The hash mark (#) is … Read more

Linux zgrep Command Tutorial

Linux zgrep Command Tutorial

The grep is a popular command used to search and match specified string in the given content or files. The zgrep is very similar to the grep where the compressed files can be easily grepped without any extra command to uncompress them. In this tutorial, we examine how to use zgrep to search in compressed … Read more