Utility ss (Socket Statistics) in Linux

The ss (Socket Statistics) utility in Linux provides information about network sockets, TCP/UDP connections, routing and other network statistics. It is an alternative to the outdated netstat utility.

Program Features

The ss (Socket Statistics) utility in Linux provides information about network sockets, TCP/UDP connections, routing and other network statistics. The following are some of the features of ss utility:

1. Speed: is faster and more efficient compared to the legacy netstat utility. It uses the new Netlink engine to retrieve information about network connections.
2. Connection Details: allows you to view detailed information about network connections such as local and remote IP address, port, connection status, timeouts, process IDs, etc.
3. Filtering and sorting: allows you to filter and sort the output by various parameters such as IP address, port, connection status and process ID. This provides more convenient and understandable output.
4. Supports various protocols: supports viewing TCP, UDP, DCCP, Unix domain sockets, RAW and other protocols.
5. Routing Information: shows routing information including routing tables, firewall rules, etc.
6. IPv6 Support: Fully supports IPv6 and allows you to view connections and statistics for IPv6 networks.
7. Easy to use: has a simple and clear command line syntax and offers various options and flags to get specific information about network connections.

The ss utility is a powerful tool for analyzing and monitoring network connections in Linux and provides detailed information for diagnosing and optimizing network applications.

How to install ss

To use the ss utility in Linux, follow these steps:

1. Open a terminal.
2. Type the `ss` command and press Enter.

Examples of usage:

• ss -t: shows active TCP connections.
• ss -u: shows active UDP connections.
• ss -tlp: shows TCP connections and their associated processes.
• ss -ulp: shows UDP connections and their associated processes.
• ss-s: shows general statistics by socket type.

If necessary, you can use different options and filters to get specific information. Use the `manss` command for more information about the ss utility and its options. The ss utility allows you to quickly retrieve information about network connections, service sockets, and other network statistics.

How to uninstall ss (Socket Statistics) in Linux?

If you want to remove the installed ss package on Linux, follow these instructions:

1. Open a terminal.
2. Type the following command that corresponds to your distribution: for Debian/Ubuntu: `sudoapt-get remove iproute2`; for CentOS/Fedora: `sudoyum remove iproute`; for Arch Linux: `sudopacman -R iproute2`.
3. Press Enter to execute the command.
4. Enter the administrator (root) password if required.
5. Confirm the package removal by typing"y" if required.

Wait for the removal process to complete. After completing these steps, the ss package should be completely removed from your system.