Questions tagged [htop]

htop is CLI-based command that gives information on processes and memory usage, similar to top.

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Htop shows a mysqld that isn't in filesystem?

Upon cleaning up my filesystem and uninstalling services I don't use, I noticed that 'htop' shows what appears to be a MySQL daemon running at /usr/sbin/mysqld The thing is I don't have any MySQL ...
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Why are processors seemingly so active on an Ubuntu 20.04 Server with no appreciable services running in an LXC container?

On a minimal Ubuntu 20.04 server that's just been set up (and with some services disabled), I'm finding that htop is conveying that there's more processor activity going on than what I figure should ...
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45 views

Understanding the Htop output

I am a recent user of Ubuntu. I am running some simulations in my Ubuntu 20.04 which don't run successfully. When I look at the usage, I see numbers like these. Does this mean that my machine is ...
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2answers
50 views

How to manage number of cores used on my institution's server

I'm using a remote server where I'm not supposed to request more than 24 of the 100 cores. I'm running a couple of R scripts which seem to be using too many... How can I tell, in htop, how many cores ...
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120 views

Overall CPU utilization% of 'htop' is smaller than a process' cpu usage

Because of my stupidity, I can't provide any screenshot of such phenomenon. My 2-core system's cpu utilization(which is output of htop command) is smaller than the cpu usage of a process. For example, ...
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1answer
28 views

Running htop when system boots (CLI)

I have been searching for what feels like ages now, but have not been able to solve this problem. The furthest I have gotten is opening htop on boot, but without any updates(just the initial CPU usage ...
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1answer
216 views

Showing total CPU usage by using htop

Online I found the following figure where you can see "CPU" as first row and it should represent the total amount of the used CPU. Amongst the options of the htop I run on my PC there isn't ...
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2answers
413 views

Summarize CPU load for a full process tree in htop or other tool

I want to see the full load MS teams creates, which has plenty of threads. I already tried the tree view but the values from (1) are not added up in (2) Can this be seen in htop or another nice tool? ...
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74 views

How to install the `htop` manpage?

I have htop installed via snap, but apparently the man page (man htop) is not installed. Is it possible to install this?
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788 views

"Error: File /etc/sensors3.conf: Permission denied" when running htop

When running htop I get Error: File /etc/sensors3.conf: Permission denied the permissions: $ ls -l /etc/sensors3.conf -rw-r--r-- 1 root root 10368 Apr 5 2017 /etc/sensors3.conf htop still works ...
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Rofi does not launch certain programs in Ubuntu 20.04

I use Rofi as my application launcher. However, when I try to launch certain applications like anaconda-navigator, spyder I get the following error message: Failed to execute: 'spyder' Error: 'Failed ...
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290 views

Very high RAM usage in Ubuntu 20.04 on startup

When I start my computer, the htop command shows a very high RAM usage, even without having started the web browser, which is a very common resource eater. Is this normal? Can I do something to reduce ...
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1answer
284 views

htop and sytem-monitor shows 0 cpu ubuntu 20.04 ryzen 3950x

I freshly built a new PC and make dual boot with an Ubuntu 20.04. Im having trouble with ryzen 3950x, htop and system monitor didn't recognize cpu (instead of 32 shows 1 thread). I must start it with ...
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120 views

Ubuntu 18.04 repeatedly crashes on HP laptop with AMD Ryzen 3550H

So I bought a new laptop with an AMD Ryzen 5 3550H CPU, with Nvdia graphics, and have dual booted Ubuntu 18.04 onto it. The problem I face is that the system keeps on crashing after some time, every ...
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791 views

htop Memory usage vs bar depicted

Attached is a screenshot from htop command. I am wondering why the Mem bar is like 50% full when only 4.1GB out of 126GB is used. Are the Mem bar and the 4.1GB figures representing something different?...
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469 views

iftop never stops working

I recently learned about iftop and used it for monitoring my wifi data usage few times today. sudo iftop -i wlp2s0 is how I call it. After 4-5 opening closing of iftop, I figured out that my ...
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2answers
2k views

Check how many processor cores my Python code is running on?

I want to check how many cores my Python script is using. Suppose that I have this code: while True: print('Hello World!') When I run top, it gives the CPU, Memory, percentage in addition to ...
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1answer
83 views

Mystic activity when idle

When my computer is running idle with no programs running i can see unusual spikes in the processor and network activity in the system monitor. I has been like this for quite a while. It happens even ...
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301 views

Ubuntu Studio running slow after some months

I am a Ubuntu Studio user and general Linux novice. I installed the latest Ubuntu Studio on my Dell Vostro 400 Q6600 quad-core, and it ran perfectly for many months. Now it's unusable. When I boot up,...
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247 views

Track a process using htop

I have a process that runs for while gets killed and restarts itself for every 15 seconds and I want to track the nice value of it how to do it using htop .I can track using PID by my PID changes ...
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1answer
68 views

Start glances with a few switches

I've got the gnome-terminal set to open on login, using the following command: gnome-terminal -- glances. I'd like to use these commands that work when glances is running, at launch: / 0 U F. I'm not ...
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4k views

How do you see the cpu temperature in htop command? Does this work for WSL?

Is there a way to see the CPU temperature in htop. I am using windows10 wsl, so I'm not sure if WSL1 has access to CPU temperature reading.
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avahi process maxing out 18 CPUs on VM

I'm not quite sure what the avahi process does, I see from searching that it "facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite" and I understand it comes default on ...
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1answer
1k views

Custom keyboard shortcut for terminal command `htop` not working

On Ubuntu 18.04 I can setup custom keyboard shortcuts to run terminal commands via: Settings > Devices > Keyboard > + Name: htop keyboard shortcut Command: htop ShortCut: Ctrl+Super+...
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1answer
508 views

How to use htop or other system monitor as screensaver

I want to make system monitor like htop as screensaver or when I block computer. Is it possible to use htop or other terminal system monitor as I want?
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1answer
29 views

Average of CPU and memory use of ALL process that appear during some time interval

I know some ways that I can see the average of CPU and memory use for one process, but I never saw a way to see the average of all process that appeared during some time. The goal is, for example, to ...
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1answer
342 views

Remove htop grey filler

I recently started to notice grey "filler" in some of my servers when viewing htop as shown in the image below. Does anybody know how to get rid fo this and go back to "normal" like below:
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234 views

Xorg causing unusual High Amount of CPU and Hard Drive use

After reboot from update noticed high use of Hard Drive and CPU. ran HTOP and getting this at top of queue: /usr/lib/xorg/Xorg -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -...
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1answer
403 views

HTOP understanding

Sorry new to linux/ubuntu. I have read through a bunch of htop posts here, but I just wanted to clarify what the values mean. I run a 32-bit program, and my understanding is that roughly 4.2 is the ...
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1answer
3k views

Avahi daemon uses excessive amounts of CPU?

It seems that avahi-daemon process, which is unknown to me, is using excessive amounts of CPU on my system I have tried both htop and system monitor, and only htop show the CPU use. Screenshots are ...
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105 views

fcitx consume 93.4% cpu

I check processes with htop and find the input method manager/fcitx consumes 93.4% cpu, What's might be the problem? Is it a single cpu or all the cpu?
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4k views

htop displays identical program in multiple lines

When I use htop, I found that an identical program occupies multiple lines: Additionally the PID could not be traced: me@host:~$ ps 16255 16256 16259 24772 16254 PID TTY STAT TIME COMMAND ...
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1answer
808 views

htop isn't displaying consistent information

I'm running a computationally intense serial python script, and htop is giving me an inconsistent information. It shows that a thread is almost 100% in use, but that python isn't using any CPU power. ...
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1answer
4k views

How can I show only zombie processes in htop?

I would like to monitor in real time zombie process in htop?
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296 views

Vim, terminal, or htop won't start

Starting Vim, terminal or Htop from the Ubuntu 16.04 Unity desktop "Search your computer" doesn't work. When I select Vim for example, The Vim icon appears in the launcher and oscillates between ...
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86 views

htop graphics cut off in AWS Ubuntu

htop is not working properly on an AWS Ubuntu instance. F2 or ALT-F2 do nothing. Does anybody come across this issue? This screenshot shows that htop only shows part of the graphics.
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337 views

Task/Resource Manager Memory Usage Accuracy Ubuntu 18

I'm running Ubuntu 18.04LTS (8GB RAM) and I noticed how the Gnome task manager, the "top" and "htop" applications give me 3 considerably different memory usage figures. For instance, right now: ...
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750 views

Unable to stop VIM with Kill, Htop, or anything else

I'm running Ubuntu Bionic. I installed SLiM display manager so my GUI uses tty2 and I ran vim to edit some C++ code in tty1. Suddenly, it froze completely. I tried to type things but nothing would ...
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1answer
1k views

Command fails in crontab but works in terminal

I have checked this question regarding crontab failures. I am running this command to capture the htop command and create a snapshot of it in html format (htop output to human readable file): /bin/...
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3k views

what is cinnamon --replace process?

I use cinnamon 3.6.7 <> cinnamon --replace became cinnamon --replace --replace when I restarted it:
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594 views

Is htop becoming part of the default install?

I noticed that the htop package for 18.04 is in main, where previous releases had it in universe. This is reflected in the packages index and on Launchpad. Software in main is supported by Canonical, ...
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1answer
4k views

GNOME system monitor and top showing different CPU usage

When I play a movie with SMPlayer (video:mpv) and I check my CPU usage with GNOME system monitor, it shows %4 or %5 CPU usage (1 second update interval), but htop shows %45 CPU usage: top shows the ...
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1answer
10k views

Htop is showing 100% cpu usage on thread 1 , on a fresh install of 17.10

I have a freshly installed 17.10.1 (amd64) , my cpu : Intel(R) Core(TM) i7-6700K , and when I'm running the htop command I see that the first thread is always maxed out (98-100%), although I don't see ...
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3answers
335 views

Monitor and time a process that is already running and saving the total running time into a file

I have a few different processes that have been running for quite a long time (200 h). I just realized that I have forgotten to use the time command to get the total running time at the end. These ...
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1answer
20k views

How to see thread name in htop?

htop shows the name of process for all of its threads even a thread has a customized name. How should I force htop to displays customized name of threads?
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181 views

Ubuntu 14.04 slow (after update?)

After an update, my Desktop slows down a lot. Linux commands and reboot now take a lot of time. Chrome is unusable. dmesg output right after reboot [ 1.706897] sd 3:0:0:0: [sdc] Attached SCSI ...
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1answer
2k views

Follow process with htop

I'm using htop to monitor processes, whenever I want to find a running process I the / command which highlights the process until it moves on the list. Is there a way to keep the selected process ...
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1answer
2k views

Why does htop display nothing?

My Ubuntu htop command does not display anything, like this: Is there any problem with this command? Thanks a lot!
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1answer
432 views

Run part of a command with sudo [duplicate]

I want to create a keybinding Ctrl+Alt+Delete on my Ubuntu PC. It should open htop, but I want maximum priority for it. I use this command. xterm -fullscreen -fa 'Monospace' -fs 13 -e htop It works ...
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2answers
5k views

how to save CPU logs or GPU usage values?

folks! I want to check my CPU logs continuously. I used top and htop commands. But I just check them during simulations. Now I want to run a real ROBOT for approx 2 hours (my laptop would be on ...