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124 lines
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124 lines
5.0 KiB
Plaintext
# [](https://htop.dev)
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[](https://github.com/htop-dev/htop/actions)
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[](https://scan.coverity.com/projects/21665)
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[](https://groups.io/g/htop)
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[](https://webchat.freenode.net/#htop)
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[](https://github.com/htop-dev/htop/releases/latest)
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[](https://bintray.com/htop/source/htop/_latestVersion)
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## Introduction
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`htop` is a cross-platform interactive process viewer.
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`htop` allows scrolling the list of processes vertically and horizontally to see their full command lines and related information like memory and CPU consumption.
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The information displayed is configurable through a graphical setup and can be sorted and filtered interactively.
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Tasks related to processes (e.g. killing and renicing) can be done without entering their PIDs.
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Running `htop` requires `ncurses` libraries (typically named libncursesw*).
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For more information and details on how to contribute to `htop` visit [htop.dev](https://htop.dev).
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## Build instructions
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This program is distributed as a standard GNU autotools-based package.
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Compiling `htop` requires the header files for `ncurses` (libncursesw*-dev). Install these and other required packages for C development from your package manager.
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Then, when compiling from a [release tarball](https://bintray.com/htop/source/htop), run:
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~~~ shell
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./configure && make
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~~~
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Alternatively, for compiling sources downloaded from the Git repository (`git clone` or downloads from [Github releases](https://github.com/htop-dev/htop/releases/)),
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install the header files for `ncurses` (libncursesw*-dev) and other required development packages from your distribution's package manager. Then run:
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~~~ shell
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./autogen.sh && ./configure && make
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~~~
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By default `make install` will install into `/usr/local`, for changing the path use `./configure --prefix=/some/path`.
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### Build Options
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`htop` has several build-time options to enable/disable additional features.
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#### Generic
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* `--enable-unicode`:
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enable Unicode support
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dependency: *libncursesw*
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default: *yes*
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* `--enable-hwloc`:
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enable hwloc support for CPU affinity; disables Linux affinity
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dependency: *libhwloc*
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default: *no*
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* `--enable-setuid`:
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enable setuid support for privilege dropping
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default: *no*
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* `--enable-debug`:
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Enable asserts and internal sanity checks; implies a performance penalty
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default: *no*
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#### Linux
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* `--enable-sensors`:
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enable libsensors(3) support for reading temperature data
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dependencies: *libsensors-dev*(build-time), at runtime *libsensors* is loaded via `dlopen(3)` if available
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default: *check*
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* `--enable-capabilities`:
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enable Linux capabilities support
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dependency: *libcap*
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default: *check*
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* `--with-proc`:
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location of a Linux-compatible proc filesystem
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default: */proc*
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* `--enable-openvz`:
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enable OpenVZ support
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default: *no*
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* `--enable-vserver`:
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enable VServer support
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default: *no*
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* `--enable-ancient-vserver`:
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enable ancient VServer support (implies `--enable-vserver`)
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default: *no*
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* `--enable-linux-affinity`:
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enable Linux `sched_setaffinity(2)` and `sched_getaffinity(2)` for affinity support; conflicts with hwloc
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default: *check*
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* `--enable-delayacct`:
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enable Linux delay accounting support
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dependencies: *pkg-config*(build-time), *libnl-3* and *libnl-genl-3*
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default: *check*
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## Usage
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See the manual page (`man htop`) or the on-line help ('F1' or 'h' inside `htop`) for a list of supported key commands.
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## Support
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If you have trouble running `htop` please consult your Operating System / Linux distribution documentation for getting support and filing bugs.
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## Bugs, development feedback
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We have a [development mailing list](https://htop.dev/mailinglist.html). Feel free to subscribe for release announcements or asking questions on the development of htop.
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You can also join our IRC channel #htop on freenode and talk to the developers there.
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If you have found an issue with the source of htop, please check whether this has already been reported in our [Github issue tracker](https://github.com/htop-dev/htop/issues).
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If not, please file a new issue describing the problem you have found, the location in the source code you are referring to and a possible fix.
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## History
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`htop` was invented, developed and maintained by Hisham Muhammad from 2004 to 2019. His [legacy repository](https://github.com/hishamhm/htop/) has been archived to preserve the history.
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In 2020 a [team](https://github.com/orgs/htop-dev/people) took over the development amicably and continues to maintain `htop` collaboratively.
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## License
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GNU General Public License, version 2 (GPL-2.0)
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