How to install htop on Debian Linux using apt-get

I am a new user of Debian operating system. How do I install htop on Debian using the apt command or apt-get command?

htop is nothing but Interactive process viewer for Debian Linux system. It is just like default top command with an additional set of options and better colorful display on the screen. Very useful for developers and new system users. This page shows how to install htop on Debian using command line options.

How to install htop on Debian using apt-get

The procedure for installing htop Debian is as follows:

  1. Open the terminal application.
  2. For remote Debian server login using ssh command.
  3. Execute apt search htop command to search for htop on Debian
  4. Run sudo apt install htop to install htop in Debian

Let us see all commands and step-by-step- examples in details.

Please note that admin@ls-debian-10:$ is my shell prompt. You need to type all commands after that prompt.

Debian install htop

It is important that you know how to search for any packages. Therefore type the following command to search for htop package using apt command:
admin@ls-debian-10:$ apt search htop
## OR use the apt-cache command ##
admin@ls-debian-10:$ apt-cache search htop

aha - ANSI color to HTML converter
<span style='color: rgb(0, 153, 0);'>htop - interactive processes viewer</span>
libauthen-oath-perl - Perl module for OATH One Time Passwords
pftools - build and search protein and DNA generalized profiles

Find information about htop package

Run the following command:
admin@ls-debian-10:$ apt info htop

Installing htop on Debian

First, make sure you system is up to date and all patches are installed on Debian 10 Linux box and then install htop:
admin@ls-debian-10:$ sudo pkg update && sudo apt upgrade
Finally, run the following to install htop on Debian:
admin@ls-debian-10:$ sudo apt install htop

How to use htop command

The syntax is:
htop
htop [options] htop [options] arg1 arg2


Please note that you need to press the F10 or q key to exit from htop session.

Use a monochrome color scheme, run:

admin@ls-debian-10:$ htop -C
admin@ls-debian-10:$ htop --no-color

Want to see the tree view by default when running htop? Try:

admin@ls-debian-10:$ htop -t
admin@ls-debian-10:$ htop --tree


Let us see only processes of a given user named sayali or tom:
admin@ls-debian-10:$ htop -u sayali
admin@ls-debian-10:$ htop -u tom
admin@ls-debian-10:$ htop --user=vivek
## see all process owned and run by 'www-data' user on the server ##
admin@ls-debian-10:$ htop --user=www-data

Limit and show process for only the given PIDs:
admin@ls-debian-10:$ htop -p PID
admin@ls-debian-10:$ htop -p PID1,PID2,PID3
admin@ls-debian-10:$ htop --pid=PID1,[,PID2,PID3,...]
admin@ls-debian-10:$ htop -p 4242
admin@ls-debian-10:$ htop -p 1313,1399,6666

Debian htop keyboard shortcut keys

The following commands are supported while in htop intractive mode:

Command Description
Up arrow key Select (highlight) the previous process in the process list. Scroll the list if necessary.
Down arrow key Select (highlight) the next process in the process list. Scroll the list if necessary.
Left arrow key Scroll the process list left.
Right arrow key Scroll the process list right.
PgUp, PgDn Scroll the process list up or down one window.
Home Scroll to the top of the process list and select the first process.
End Scroll to the bottom of the process list and select the last process.
s Trace process system calls: if strace(1) is installed, pressing this key will attach it to the currently selected process, presenting a live update of system calls issued by the process.
l Display open files for a process: if lsof(1) is installed, pressing this key will display the list of file descriptors opened by the process.

Other keyboard shortcuts

u Show only processes owned by a specified user.
M Sort by memory usage (top compatibility key).
P Sort by processor usage (top compatibility key).
T Sort by time (top compatibility key).
F “Follow” process: if the sort order causes the currently selected process to move in the list, make the selection bar follow it. This is useful for monitoring a process: this way, you can keep a process always visible on screen. When a movement key is used, “follow” loses effect.
K Hide kernel threads: prevent the threads belonging the kernel to be displayed in the process list. (This is a toggle key.)
H Hide user threads: on systems that represent them differently than ordinary processes (such as recent NPTL-based systems), this can hide threads from userspace processes in the process list. (This is a toggle key.)
p Show full paths to running programs, where applicable. (This is a toggle key.)
Ctrl-L Refresh the screen.
F1 See this help menu.

How to get help about htop

Simply pass the --help option. For example:
admin@ls-debian-10:$ htop --help
admin@ls-debian-10:$ man htop

Conclusion

In this quick tutorial, we explained how to install and use htop on Debian Linux server. It has many more option. Hence, see the htop home page online here or read man page.

🐧 If you liked this page, please support my work on Patreon or with a donation.
🐧 Get the latest tutorials on SysAdmin, Linux/Unix, Open Source/DevOps topics:
CategoryList of Unix and Linux commands
File Managementcat
FirewallAlpine Awall CentOS 8 OpenSUSE RHEL 8 Ubuntu 16.04 Ubuntu 18.04 Ubuntu 20.04
Network Utilitiesdig host ip nmap
OpenVPNCentOS 7 CentOS 8 Debian 10 Debian 8/9 Ubuntu 18.04 Ubuntu 20.04
Package Managerapk apt
Processes Managementbg chroot cron disown fg jobs killall kill pidof pstree pwdx time
Searchinggrep whereis which
User Informationgroups id lastcomm last lid/libuser-lid logname members users whoami who w
WireGuard VPNAlpine CentOS 8 Debian 10 Firewall Ubuntu 20.04
0 comments… add one

Leave a Reply

Your email address will not be published. Required fields are marked *

Use HTML <pre>...</pre>, <code>...</code> and <kbd>...</kbd> for code samples.