htop is an interactive process viewer for Linux. It is a text-mode application (for console or X terminals) and requires ncurses.

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Understanding difference between system and process memory in htop

I'm a bit confused by the memory stats that htop is reporting on one of our servers. On the top bars, it's showing system memory as: Mem: 456 / 7950MB So, looks very low usage. However, my main ...
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1answer
634 views

What do negative numbers under TIME+ in htop mean?

What do the red negative numbers I'm seeing displayed in htop mean? Should I be worried?
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Debian 100% cpu every 30 minutes but not loggable?

I have a Debian 7 x64 machine running with Digital Ocean that has every 30 Minutes a 100% cpu usage for about 1 minute. A couple of days ago it stayed there for a couple of hours so the server finally ...
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0answers
88 views

Red VIRT tab in htop

I've tried to find some info on this and reading the source, but couldn't really figure it out. At work we have a bunch of machines with a lot of cores and memory, which we run computations on. ...
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free and htop show no free ram but ps doesn't show who consumes it

Can someone please explain the following: [kait@prod0 tmp]$ sudo ps -e --format rss | awk 'BEGIN{c=0} {c+=$1} END{print c/1024}' 3538.48 [kait@prod0 tmp]$ free -m total used ...