NetHogs is a small 'net top' tool. Instead of breaking the traffic down per protocol or per subnet, like most tools do, it groups bandwidth by process.
NetHogs does not rely on a special kernel module to be loaded. If there's suddenly a lot of network traffic, you can fire up NetHogs and immediately see which PID is causing this. This makes it easy to identify programs that have gone wild and are suddenly taking up your bandwidth.
Since NetHogs heavily relies on /proc, most features are only available on Linux. NetHogs can be built on Mac OS X and FreeBSD, but it will only show connections, not processes.
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Recent Releases
0.8.804 Feb 2025 10:25
major bugfix:
Fix that on ubuntu 20.04, the current version of the code does not compile as a python package by @molysgaard in #224
Add -std=c++14 for application build by @msbit in #228
Hide cursor during initialization and restore at exit by @zevweiss in #231
Capabilities for reading process names by @qouoq in #233
Additional useful capabilities by @qouoq in #234
Add -std=c++14 for application build by @NeilZhy in #236
Use s instead of sec for units of seconds by @a1346054 in #242
Add Arch Linux instructions to README.md by @orhun in #250
Fix wrong extern declaration of pidsToWatch by @sgtcortez in #251
fix get_devlen function from being pointless by @DiedByDisgust in #255
fix python bindings by @AndreasGocht in #258
Report only changes of send and received data by @AndreasGocht in #260
Clarify units by @hramrach in #262
fix an copy-and-paste error in the bindings by @AndreasGocht in #263
Report pcap stas by @AndreasGocht in #264
Fix nethogsmonitor_loop_devices_py to accept more than one device by @AndreasGocht in #267
allow the library to enable UDP recording by @AndreasGocht in #269
Add meson buildsystem by @lleon95 in #275
determineVersion.sh: prevent traversing into outer git repo for git-describe call by @BubuOT in #279
0.8.631 Mar 2020 08:25
minor feature:
Remove dead 'BusyTasks' link
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Update readme to point to correct binary location.
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improve manpage consistency.
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Update Readme.md.
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Remove confusing 'waiting for first packet' message.
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Merge branch 'master' of github.com:raboof/nethogs.
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Better error message when dispatching fails.
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Remove changelog (as I wasn't updating it anyway) ().
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Link to releases page.
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docs of -a option.
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Add -l option to show full command line.
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Link to nethogs-qt.
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Merge branch 'master' of github.com:raboof/nethogs.
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Add python wrapper by Philip Semanchuk as 'contrib' script.
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cleanup.
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compiler warning - type of refreshdelay.
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Add "how to run without root" (capabilities note) to README.
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: no install_dev target in docs/Makefile.
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have Process::gettotal include connections remove .
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libnethogs support for limiting to specific devices.
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Build not just nethogs but also libnethogs on travis.
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add support for pcap capture filters.
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add warnings about capture filter being experimental.
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change all sent/recv counters from int32 to int64 to prev .
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DEV colum length to 15.
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dynamic DEV column length, MIN=5, MAX=15.
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dynamic DEV column length, MIN=5, MAX=15.
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unknown udp added.
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added unknown udp.
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unknown udp added.
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libnethogs handle memory leak.
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add habitat plan.
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Add MB/s and GB/s view modes.
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Escape asterisk.
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Quote asterisk.
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Added 'Running without root' section to the man page.
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, #145:
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run make format with clang-format:
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removes exit in inode2prog:
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: Expose to_ms / packet buffer timeout to libnethogs.
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typo in man page.
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Create FUNDING.yml.
0.8.511 Sep 2016 07:43
minor feature:
Don't make/install libnethogs by default (but document how to do it when you want to)
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