Have you been searching for a top like interface for container metrics and monitoring?. Ctop is a command line tool written to provide a concise and condensed overview of real-time metrics for containers running in your system. This command line tool comes with built-in support for both Docker and runC container engines.
Installing ctop on Linux / macOS
Ctop is written in Go and distributed as binary file which you can quickly download from Github and install it. Fetch the latest release for your platform and download with your wget or curl command.
Install ctop on Linux
For Linux systems we’ll download the binary file, extract and put in in the system PATH.
curl -s https://api.github.com/repos/bcicen/ctop/releases/latest | grep browser_download_url|grep linux-amd64 | cut -d '"' -f 4 | wget -i -
chmod +x ctop-*-linux-amd64
sudo mv ctop-*-linux-amd64 /usr/local/bin/ctopInstall ctop on macOS
If you’re running OS X, you can install ctop with brew or by downloading the latest pre-built binary file from Github.
Install ctop with brew:
brew install ctop
For manual package download, it is similar to below.
curl -s https://api.github.com/repos/bcicen/ctop/releases/latest | grep browser_download_url|grep darwin-amd64 | cut -d '"' -f 4 | wget -i -
chmod +x ctop-*-darwin-amd64
sudo mv ctop-*-darwin-amd64 /usr/local/bin/ctopConfirm that is working.
$ ctop --help
Usage of ctop:
-a show active containers only
-connector string
container connector to use (default "docker")
-f string
filter containers
-h display this help dialog
-i invert default colors
-r reverse container sort order
-s string
select container sort field
-scale-cpu
show cpu as % of system total
-v output version information and exit
Running ctop
Using ctop is easy, just run the command ctop and you should get containers metrics displayed to you in realtime.
$ ctopSample output
Ctop Keybindings
| Key | Action |
|---|---|
| <enter> | Open container menu |
| a | Toggle display of all (running and non-running) containers |
| f | Filter displayed containers (esc to clear when open) |
| H | Toggle ctop header |
| h | Open help dialog |
| s | Select container sort field |
| r | Reverse container sort order |
| o | Open single view |
| l | View container logs (t to toggle timestamp when open) |
| S | Save current configuration to file |
| q | Quit ctop |
Running ctop in Docker container
If you have big love for containers, you can run ctop in a docker container. But first install Docker in your system using the guide below,
Once docker is installed and running, spin up ctop container by running:
docker run --rm -ti \
--name=ctop \
-v /var/run/docker.sock:/var/run/docker.sock \
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