June 2003
Beginner to intermediate
944 pages
43h 1m
English
Content preview from Linux in a Nutshell, Fourth EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Name
netstat
Synopsis
netstat [options]TCP/IP command. Show network status. Print information on active sockets, routing tables, interfaces, masquerade connections, or multicast memberships. By default, netstat lists open sockets.
Options
The first five options( -g, -i, -r, -s, and -M) determine what kind of information netstat should display.
- -g, --groups
Show multicast group memberships.
- -i, --interface[= name]
Show all network interfaces, or just the interface specified by name.
- -r, --route
Show kernel routing tables.
- -s, --statistics
Show statistics for each protocol.
- -M, --masquerade
Show masqueraded connections.
- -a, --all
Show all entries.
- -c, --continuous
Display information continuously, refreshing once every second.
- -e, --extend
Increase level of detail in reports. Use twice for maximum detail.
- -l, --listening
Show only listening sockets.
- -n, --numeric
Show network addresses, ports, and users as numbers.
- --numeric-hosts
Show host addresses as numbers, but resolve others.
- --numeric-ports
Show ports as numbers, but resolve others.
- --numeric-users
Show user ID numbers for users, but resolve others.
- -o, --timers
Include information on network timers.
- -p, --program
Show the process ID and name of the program owning the socket.
- --protocol= family
Show connections only for the specified address family. Accepted values are inet, unix, ipx, ax25, netrom, and ddp.
- -t, --tcp
Limit report to information on TCP sockets.
- -u, --udp
Limit report to information on UDP sockets.
- -v, --verbose ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.