containerd

containerd

if you are using containerd 1.2 (the default centos 7 & 8 version) note that it was END OF LIFE was last week

1.2 Active October 24, 2018 March 26, 2020 (Active),

September 26, 2020 (Extended)

moby container builder

Moby is an open framework created by Docker to assemble specialized container systems without reinventing the wheel. It provides a “lego set” of dozens of standard components and a framework for assembling them into custom platforms. At the core of Moby is a framework to assemble specialized container systems

intro to virtualisation videos by katie cladis

https://www.youtube.com/channel/UCbbcDf-cbr5xqeFKkmrb6UA/featured

docker normally runs as root but you can also run it #rootless

docker normally runs as root so has a very high attack surface but you can also run it #rootless

see also

system monitoring your #cloud infrastrcuure with @datadog and @docker #devops #sysadmin

system monitoring your #cloud infrastrcuure with @datadog and @docker

@datadog docs

@datadog on github

docker for @NVIDIA GPUs

docker for @NVIDIA GPUs

NVIDIA NVS 3100M (GT218 16 cores)

NVIDIA Quadro 2000M (GF106 192 cores)

docker quickstart

docker quickstart

# aptitude install docker.io

# systemctl enable docker
# systemctl start docker
# systemctl is-active docker.service
# systemctl status docker.service

# usermod -aG docker $USER

logout of xwindows

login to xwindows

git clone & docker build

$ git clone my-image 
$ docker build my-image

docker pull

$ docker pull infrabuilder/foldingathome

docker run and monitor

$ docker run -d --name humpty-dumpty hello-world
$ docker ps [to confirm container name ie humpty-dumpty]
$ docker logs -f humpty-dumpty
$ docker top humpty-dumpty
$ docker stop humpty-dumpty
$ docker kill humpty-dumpty

manage docker containers

$ docker stats
$ docker ps
$ docker ps -a$ docker rm humpty-dumpty

manage docker images

$ docker images
$ docker rmi hello-world

docs