Open a cache of riches with lsof
Treasure Trove
© Lead Image © Scott Rothstein, 123RF.com
In Linux, everything is a file – directories, devices, pipes – so lsof (list open files) reveals what's happening on your system.
Few Linux utilities are as popular as netstat, a fantastic tool used to display network connections, routes, and bandwidth statistics gleaned from network interfaces. Not only is netstat very effective and full of features, but I can't count the number of Linux books and Linux training courses that cover its stock commands as must-have knowledge for any newcomers to Linux.
Don't get me wrong, netstat certainly has its place within those tutorials for both advanced and novice users, but I like to think I can turn to a more powerful tool sometimes. You could say that I've neatly slotted netstat into a place where I know I can use it if I want, but I can achieve the same results in most cases with one of its counterparts – and usually much more efficiently.
If I were making a package comparison and using DNS clients, I might say that netstat is the nslookup to my host command. That said, I will now backtrack a little and state that my alternative to netstat lacks many of its features and, in fact, isn't really a network information tool at all. However, because of this mighty command's formidable capabilities, I rarely turn to netstat at all.
[...]
Buy this article as PDF
(incl. VAT)
Buy Linux Magazine
US / Canada
UK / Australia
Subscribe to our Linux Newsletters
Find Linux and Open Source Jobs
Subscribe to our ADMIN Newsletters
Support Our Work
Linux Magazine content is made possible with support from readers like you. Please consider contributing when you’ve found an article to be beneficial.
News
-
TUXEDO has unveiled a new InfinityBook Pro with an AMD Ryzen AI 300
This new notebook offers serious power that is ready for your business, development, or entertainment needs.
-
Is This the Year of Linux?
Another major organization has decided to kick Windows and Office to the curb, in favor of Linux.
-
Linux Mint 20 Reaches EOL
With Linux Mint 20 at its end of life, the time has arrived to upgrade to Linux Mint 22.
-
TuxCare Announces Support for AlmaLinux 9.2
Thanks to TuxCare, AlmaLinux 9.2 (and soon version 9.6) now enjoys years of ongoing patching and compliance.
-
Go-Based Botnet Attacking IoT Devices
Using an SSH credential brute-force attack, the Go-based PumaBot is exploiting IoT devices everywhere.
-
Plasma 6.5 Promises Better Memory Optimization
With the stable Plasma 6.4 on the horizon, KDE has a few new tricks up its sleeve for Plasma 6.5.
-
KaOS 2025.05 Officially Qt5 Free
If you're a fan of independent Linux distributions, the team behind KaOS is proud to announce the latest iteration that includes kernel 6.14 and KDE's Plasma 6.3.5.
-
Linux Kernel 6.15 Now Available
The latest Linux kernel is now available with several new features/improvements and the usual bug fixes.
-
Microsoft Makes Surprising WSL Announcement
In a move that might surprise some users, Microsoft has made Windows Subsystem for Linux open source.
-
Red Hat Releases RHEL 10 Early
Red Hat quietly rolled out the official release of RHEL 10.0 a bit early.