netstat Archives - Linux Windows and android Tutorials https://www.osradar.com tutorials and news and Seurity Wed, 30 Jun 2021 16:51:01 +0000 en-US hourly 1 https://wordpress.org/?v=5.8.12 How to install the netstat command on Linux? https://www.osradar.com/how-to-install-the-netstat-command-on-linux/ https://www.osradar.com/how-to-install-the-netstat-command-on-linux/#respond Sat, 03 Jul 2021 04:50:00 +0000 https://www.osradar.com/?p=30911 Hello, friends. In this post, we will show you how to install the Netstat command with which we can quickly monitor our network information. The post will be approached from the terminal and covering most Linux distributions or at least the most popular ones. Netstat is a tool that we can use through the command […]

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]]> Hello, friends. In this post, we will show you how to install the Netstat command with which we can quickly monitor our network information. The post will be approached from the terminal and covering most Linux distributions or at least the most popular ones.

Netstat is a tool that we can use through the command line. It allows us to monitor networks and also to troubleshoot certain problems that may arise. Also, it is widely used to identify the TCP connections that are active on the machine on which the command is executed.

All this, we emit an output screen where we can visualize the network information or even export it through the use of commands.

This tool is quite useful for the more technical Linux users because it allows us to quickly analyze and detect possible problems that are happening in our network. Even more, to make an analysis on it.

Despite being so popular, it is not included in most Linux distributions and that is why in this post, we will help you how to install it.

So, let’s start.

Install the Netstat on Linux command

As we said, being such a popular tool, it is hard to believe that it is not included in the existing Linux distributions.

The solution to this is to install via official repositories, the net-tools package in order to add the command but also other important tools.

So, in the case of Debian, Ubuntu, Linux Mint, ElementaryOS, and any distribution based on any of these, just open the terminal and execute

sudo apt update
sudo apt install net-tools

In case you are using, Fedora 34, RockyLinux, AlmaLinux OS, RHEL 8, CentOS 8, Oracle Linux 8, or any distribution based on these.

sudo dnf install net-tools

But, if you are using older versions such as RHEL 7, CentOS 7, Oracle Linux 7, or any of their derivatives, then you will need to run

sudo yum install net-tools

A very popular distribution among Linux users is Arch Linux. It also has some derivatives such as Manjaro. For these distributions or any derivative of them, just run:

sudo pacman -S netstat-nat

As we all know, one of our favorite distributions is OpenSUSE, so we can’t leave it out.

So, to install it on OpenSUSE

sudo zypper in net-tools

This way we will be able to use it from the terminal without problems.

Using the Netstat command

It is normal to use the command directly on the terminal. And there it will show much of the default information of the active network interface.

Another common use is to run it together with some other options, for example:

netstat -tulpn

For more complex use of this command, we have prepared a post on the use of Netstat where you can find use cases.

Monitor Network with netstat command in Linux

So, enjoy it.

Conclusion

These types of commands can be useful in our work where many tools are required to help with network control. Although there are more specialized and larger tools, it is also true that sometimes we just need a little help.

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]]> https://www.osradar.com/how-to-install-the-netstat-command-on-linux/feed/ 0 How to solve network problems in Windows 10 with the Netstat command. https://www.osradar.com/how-to-solve-network-problems-in-windows-10-with-the-netstat-command/ https://www.osradar.com/how-to-solve-network-problems-in-windows-10-with-the-netstat-command/#respond Mon, 07 Dec 2020 22:26:00 +0000 https://www.osradar.com/?p=26415 Hello! Sometimes problems occur that affect network connections. Sometimes these failures can be simply due to a bad configuration. Also, the failure may be caused by an out-of-date driver or system-wide problems. Consequently, the user can use various tools and methods to check that everything is in order. In today’s post, we will see how […]

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]]> Hello! Sometimes problems occur that affect network connections. Sometimes these failures can be simply due to a bad configuration. Also, the failure may be caused by an out-of-date driver or system-wide problems. Consequently, the user can use various tools and methods to check that everything is in order. In today’s post, we will see how to solve network problems in Windows 10 with the Netstat command.

What is Netstat?

This is a tool to be used through the command line. It also allows to monitor the networks and also to be able to solve certain problems that may arise. Additionally, it offers detailed information of the connections of our device through the terminal. Its name comes from Network and Statistics. Therefore, it basically provides network statistics. In addition, it also provides data related to open ports and addresses. On the other hand, this tool is integrated in both Windows and GNU/Linux. Consequently, it can be used on both operating systems. As mentioned above, it is used via command and has no graphical interface.

Netstat utility.

Certainly this command provides data on network usage. However, Netstat can be used to solve some network problems.

Using Netstat to solve network problems in Windows 10

To use Nestat on Windows 10, you need to open a command prompt with administrator privileges. With this intention, type CMD in the search bar and select the option.

Running a CMD as an administrator.
Running a CMD as an administrator.

Once there, simply type in Netstat and press Enter.

Netstat command running on Windows 10.
Netstat command running on Windows 10.

All active connections of the device will be displayed immediately. The first column shows the protocol type (TCP or UDP). The second column shows the IP addresses and network interface ports for connections. It is also possible to view the IP addresses and ports for remote connections. Additionally, the command indicates whether the connection is active or closed. On the other hand, the process of charging the connections may take a few minutes depending on the quantity.

This command displays instantaneous information. That is, it is a data of a given moment. However, it is possible to program the command to be executed from time to time. For this please use the following syntax:

netstat -n S

Please remember to replace S with the number of seconds to update. For example, to update the command every 8 seconds please use the following:

netstat -n 8

Some Nestat commands.

With Netstat it is possible to solve some problems that may arise with the network connection. Indeed, there are different usage parameters. Let’s look at the most commonly used parameters to find specific network details. Please note, that all as commands begin with netstat. The only thing that varies is the parameter:

  • –a: allows you to know all the networks that are active or inactive. Consequently, it is possible to detect possible problems affecting a network.
  • –e: This command displays statistics on incoming and outgoing network packets on a network card.
  • –f: It displays the full domain name of remote addresses.
  • –n: This time the port numbers are displayed instead of the connection names.
  • -o: It displays the ID of each process at each connection.
  • –p: With this command we can filter connections according to the desired protocol. Example:
netstat –p TCP
  • -q: consult the linked listening and non-listening ports
  • -s: displays group statistics by protocol. This way we can classify networks according to the available protocols: TCP, UDP, ICMP, IPv4 or IPv6.
  • -r: This command displays the routing table of the current network.
  • -t: provides information about connections in the download state.
  • -x: In this case we can get information about all NetworkDirect connections.

In this way we have seen how to solve network problems in Windows 10 with the Netstat command. Now you have one more tool to control the connections in the system. See you later!

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