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Archives for November 2022

iftop: command not found

by admin

The iftop command displays bandwidth usage information for the system, helping to identify whether a particular NIC or protocol is consuming the most bandwidth. The iftop command may not be installed on all Linux distributions. This command can help you identify why a particular link may be slow by showing the traffic on that connection. […]

Filed Under: Linux

netcat Command Examples in Linux

by admin

The netcat command can be used to test connectivity and send data across network connections. The command may be spelled out as “netcat” or abbreviated as “nc” depending on the distribution. Systems may be identified by IP address or by hostname. When troubleshooting, use netcat to listen on the destination computer and attempt a connection […]

Filed Under: Linux

tcpdump: command not found

by admin

The tcpdump utility allows you to capture packets that flow within your network to assist in network troubleshooting. The following are several examples of using tcpdump with different options. Traffic is captured based on a specified filter. A variety of options exist, including: Options Description -D Print a list of network interfaces. -i Specify an […]

Filed Under: Linux

nmap Command Examples in Linux

by admin

Network Mapper, or nmap, is a powerful tool for exploring a network environment. It identifies nodes and is often able to report back available services, operating system versions, hostnames, IP addresses, MAC addresses, network devices (switches, routers), network printers, etc. The nmap utility has a great many options. It also has a GUI version called […]

Filed Under: Linux

nmap: command not found

by admin

Network Mapper, or nmap, is a powerful tool for exploring a network environment. It identifies nodes and is often able to report back available services, operating system versions, hostnames, IP addresses, MAC addresses, network devices (switches, routers), network printers, etc. The nmap utility has a great many options. It also has a GUI version called […]

Filed Under: Linux

route: command not found

by admin

It is possible to configure a Linux system to act as a router. The role of a router is to pass traffic from one network segment to another, based on the network ID of packets. In order to properly direct traffic to the appropriate subnet (and prevent traffic from getting to certain subnets, too), routing […]

Filed Under: Linux

host Command Examples in Linux

by admin

host is a simple tool capable of gathering information and testing name resolution. It is installed on most Linux distributions. host is one of the simplest DNS lookup utilities. If the host command is used without any option, it prints the short summary for its argument DNS lookup. The example of host command are shown […]

Filed Under: Linux

host: command not found

by admin

host is a simple tool capable of gathering information and testing name resolution. It is installed on most Linux distributions. host is one of the simplest DNS lookup utilities. If the host command is used without any option, it prints the short summary for its argument DNS lookup. The example of host command are shown […]

Filed Under: Linux

nslookup Command Examples in Linux

by admin

A tool for gathering name resolution information and testing name resolution. It is available on most Linux distributions as well as Microsoft Windows. This command has a non-interactive mode, in which you can provide a domain name in a single command, and an interactive mode, in which you can issue the command by itself and […]

Filed Under: Linux

nslookup: command not found

by admin

A tool for gathering name resolution information and testing name resolution. It is available on most Linux distributions as well as Microsoft Windows. This command has a non-interactive mode, in which you can provide a domain name in a single command, and an interactive mode, in which you can issue the command by itself and […]

Filed Under: Linux

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