Docker daily command:
Docker Help: To get help on a topic in Docker, you can use
#docker topicName --help
Docker Note:
Application running in a VM is hidden from the host OS with the help of Hypervisor/ VMM. Container can alter host filesystem without any restriction.
Docker Information:
#docker version
#docker info
Docker Images:
#docker pull <image_name>
#docker history <image_name>
#docker history mysql/mysql-server:8.0.18
#docker search mysql --no-trunc
List images:
#docker images -a
Remove images:
#docker rmi <image_id | image_name>
#docker rmi -f <image_id | image_name>
Purging All:
#docker system prune -a
#docker system prune
Docker daemon start | stop | pause:
#systemctl start / stop/ status docker
#service docker start / stop/ status
Docker for MySQL:
Note: Get tag information for Docker for MySQL from - https://hub.docker.com/_/mysql
Community Edition:
#docker pull mysql/mysql_server:<tag_name OR tag no.>
MySQL Docker Enterprise Edition:
Sign in to Oracle account, from Patches and Updates download tar.zip file for the Docker image (mysql-commercial-version_linux_x86_64_docker_tar.zip), unzip it and load the image
#docker load -i mysql-enterprise-server-version.tar
Docker Run: You can run multiple container using one image
#docker run --name=container_name -d image_name:tag
#docker run --name=mysql_8.1 -d mysql/mysql-server:8.0
#docker run --name=mysql_8.2 -d mysql/mysql-server:8.0
# docker swarm init
# docker network create -d overlay <network_name>
# docker network create --driver=overlay --attachable <network_name>
# docker run -it --name=<container_name> \
--network <network_name> \
--volume=/mysql/data_1:/var/lib/mysql \
--publish 3999:3306 \
-d mysql/mysql-server:5.7.25
# docker logs <container_name> 2>&1 | grep GENERATED
# docker exec -it mysql_8.0.18_3 bash
# docker exec -it mysql_8.0.18_3 mysql -uroot –p
Docker Process:
#docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
73ea2913986e 39649194a7e7 "/entrypoint.sh mysq…" 3 minutes ago Created mysql8_1
#docker stats <container_name or containr_id>
#docker pause <container_name or containr_id>
#docker unpause <container_name or containr_id>
#docker kill <container_name or containr_id>
#docker start <container_name or containr_id>
#docker stop <container_name or containr_id>
#docker rm <container_name or containr_id>
#docker container prune - Remove all stopped containers
Docker Backup and Recovery:
#docker export <container_name or containr_id> > <file_name>.tar
#docker improt <Remover URL / .tar file>
List Docker Container:
#docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
73ea2913986e 39649194a7e7 "/entrypoint.sh mysq…" 3 minutes ago Created mysql8_1
Remove Docker Container:
# docker rm mysql8_1
mysql8_1
Display Docker container status:
#docker ps
#docker --help
Usage: docker [OPTIONS] COMMAND
A self-sufficient run time for containers
Options:
--config string Location of client config files (default "/root/.docker")
-D, --debug Enable debug mode
-H, --host list Daemon socket(s) to connect to
-l, --log-level string Set the logging level
("debug"|"info"|"warn"|"error"|"fatal")
(default "info")
--tls Use TLS; implied by --tlsverify
--tlscacert string Trust certs signed only by this CA (default
"/root/.docker/ca.pem")
--tlscert string Path to TLS certificate file (default
"/root/.docker/cert.pem")
--tlskey string Path to TLS key file (default
"/root/.docker/key.pem")
--tlsverify Use TLS and verify the remote
-v, --version Print version information and quit
Management Commands:
builder Manage builds
config Manage Docker configs
container Manage containers
engine Manage the docker engine
image Manage images
network Manage networks
node Manage Swarm nodes
plugin Manage plugins
secret Manage Docker secrets
service Manage services
stack Manage Docker stacks
swarm Manage Swarm
system Manage Docker
trust Manage trust on Docker images
volume Manage volumes
Commands:
attach Attach local standard input, output, and error streams to a running container
build Build an image from a Dockerfile
commit Create a new image from a container's changes
cp Copy files/folders between a container and the local filesystem
create Create a new container
diff Inspect changes to files or directories on a container's filesystem
events Get real time events from the server
exec Run a command in a running container
export Export a container's filesystem as a tar archive
history Show the history of an image
images List images
import Import the contents from a tarball to create a filesystem image
info Display system-wide information
inspect Return low-level information on Docker objects
kill Kill one or more running containers
load Load an image from a tar archive or STDIN
login Log in to a Docker registry
logout Log out from a Docker registry
logs Fetch the logs of a container
pause Pause all processes within one or more containers
port List port mappings or a specific mapping for the container
ps List containers
pull Pull an image or a repository from a registry
push Push an image or a repository to a registry
rename Rename a container
restart Restart one or more containers
rm Remove one or more containers
rmi Remove one or more images
run Run a command in a new container
save Save one or more images to a tar archive (streamed to STDOUT by default)
search Search the Docker Hub for images
start Start one or more stopped containers
stats Display a live stream of container(s) resource usage statistics
stop Stop one or more running containers
tag Create a tag TARGET_IMAGE that refers to SOURCE_IMAGE
top Display the running processes of a container
unpause Unpause all processes within one or more containers
update Update configuration of one or more containers
version Show the Docker version information
wait Block until one or more containers stop, then print their exit codes
Docker Network: #docker network --help
Usage: docker network COMMAND
Manage networks
Commands:
connect Connect a container to a network
create Create a network
disconnect Disconnect a container from a network
inspect Display detailed information on one or more networks
ls List networks
prune Remove all unused networks
rm Remove one or more networks
Run 'docker network COMMAND --help' for more information on a command.
Docker Swarm join:
Usage: docker swarm join [OPTIONS] HOST:PORT
Join a swarm as a node and/or manager
Options:
--advertise-addr string Advertised address (format: <ip|interface>[:port])
--availability string Availability of the node ("active"|"pause"|"drain") (default "active")
--data-path-addr string Address or interface to use for data path traffic (format: <ip|interface>)
--listen-addr node-addr Listen address (format: <ip|interface>[:port]) (default 0.0.0.0:2377)
--token string Token for entry into the swarm
Docker run:
docker run --help
Usage: docker run [OPTIONS] IMAGE [COMMAND] [ARG...]
Run a command in a new container
Options:
--add-host list Add a custom host-to-IP mapping (host:ip)
-a, --attach list Attach to STDIN, STDOUT or STDERR
--blkio-weight uint16 Block IO (relative weight), between 10 and 1000, or 0 to disable (default 0)
--blkio-weight-device list Block IO weight (relative device weight) (default [])
--cap-add list Add Linux capabilities
--cap-drop list Drop Linux capabilities
--cgroup-parent string Optional parent cgroup for the container
--cidfile string Write the container ID to the file
--cpu-period int Limit CPU CFS (Completely Fair Scheduler) period
--cpu-quota int Limit CPU CFS (Completely Fair Scheduler) quota
--cpu-rt-period int Limit CPU real-time period in microseconds
--cpu-rt-runtime int Limit CPU real-time runtime in microseconds
-c, --cpu-shares int CPU shares (relative weight)
--cpus decimal Number of CPUs
--cpuset-cpus string CPUs in which to allow execution (0-3, 0,1)
--cpuset-mems string MEMs in which to allow execution (0-3, 0,1)
-d, --detach Run container in background and print container ID
--detach-keys string Override the key sequence for detaching a container
--device list Add a host device to the container
--device-cgroup-rule list Add a rule to the cgroup allowed devices list
--device-read-bps list Limit read rate (bytes per second) from a device (default [])
--device-read-iops list Limit read rate (IO per second) from a device (default [])
--device-write-bps list Limit write rate (bytes per second) to a device (default [])
--device-write-iops list Limit write rate (IO per second) to a device (default [])
--disable-content-trust Skip image verification (default true)
--dns list Set custom DNS servers
--dns-option list Set DNS options
--dns-search list Set custom DNS search domains
--entrypoint string Overwrite the default ENTRYPOINT of the image
-e, --env list Set environment variables
--env-file list Read in a file of environment variables
--expose list Expose a port or a range of ports
--group-add list Add additional groups to join
--health-cmd string Command to run to check health
--health-interval duration Time between running the check (ms|s|m|h) (default 0s)
--health-retries int Consecutive failures needed to report unhealthy
--health-start-period duration Start period for the container to initialize before starting health-retries countdown (ms|s|m|h) (default 0s)
--health-timeout duration Maximum time to allow one check to run (ms|s|m|h) (default 0s)
--help Print usage
-h, --hostname string Container host name
--init Run an init inside the container that forwards signals and reaps processes
-i, --interactive Keep STDIN open even if not attached
--ip string IPv4 address (e.g., 172.30.100.104)
--ip6 string IPv6 address (e.g., 2001:db8::33)
--ipc string IPC mode to use
--isolation string Container isolation technology
--kernel-memory bytes Kernel memory limit
-l, --label list Set meta data on a container
--label-file list Read in a line delimited file of labels
--link list Add link to another container
--link-local-ip list Container IPv4/IPv6 link-local addresses
--log-driver string Logging driver for the container
--log-opt list Log driver options
--mac-address string Container MAC address (e.g., 92:d0:c6:0a:29:33)
-m, --memory bytes Memory limit
--memory-reservation bytes Memory soft limit
--memory-swap bytes Swap limit equal to memory plus swap: '-1' to enable unlimited swap
--memory-swappiness int Tune container memory swappiness (0 to 100) (default -1)
--mount mount Attach a filesystem mount to the container
--name string Assign a name to the container
--network string Connect a container to a network (default "default")
--network-alias list Add network-scoped alias for the container
--no-healthcheck Disable any container-specified HEALTHCHECK
--oom-kill-disable Disable OOM Killer
--oom-score-adj int Tune host's OOM preferences (-1000 to 1000)
--pid string PID namespace to use
--pids-limit int Tune container pids limit (set -1 for unlimited)
--privileged Give extended privileges to this container
-p, --publish list Publish a container's port(s) to the host
-P, --publish-all Publish all exposed ports to random ports
--read-only Mount the container's root filesystem as read only
--restart string Restart policy to apply when a container exits (default "no")
--rm Automatically remove the container when it exits
--runtime string Runtime to use for this container
--security-opt list Security Options
--shm-size bytes Size of /dev/shm
--sig-proxy Proxy received signals to the process (default true)
--stop-signal string Signal to stop a container (default "SIGTERM")
--stop-timeout int Timeout (in seconds) to stop a container
--storage-opt list Storage driver options for the container
--sysctl map Sysctl options (default map[])
--tmpfs list Mount a tmpfs directory
-t, --tty Allocate a pseudo-TTY
--ulimit ulimit Ulimit options (default [])
-u, --user string Username or UID (format: <name|uid>[:<group|gid>])
--userns string User namespace to use
--uts string UTS namespace to use
-v, --volume list Bind mount a volume
--volume-driver string Optional volume driver for the container
--volumes-from list Mount volumes from the specified container(s)
-w, --workdir string Working directory inside the container
Docker run:
docker run --name dbmaster -e MYSQL_ROOT_PASSWORD=DBpassword -p 10.0.1.101:3306:3306 -d mysql
Explore - Docker Network, Docker Network
7 layers (level) of OSI
Docker v/s Kubernetes
Weave v/s Calico
Weave
VXLAN
What is VXLAN
VXLAN White papers
Docker Help: To get help on a topic in Docker, you can use
#docker topicName --help
Docker Note:
Application running in a VM is hidden from the host OS with the help of Hypervisor/ VMM. Container can alter host filesystem without any restriction.
Docker Information:
#docker version
#docker info
Docker Images:
#docker pull <image_name>
#docker history <image_name>
#docker history mysql/mysql-server:8.0.18
#docker search mysql --no-trunc
List images:
#docker images -a
Remove images:
#docker rmi <image_id | image_name>
#docker rmi -f <image_id | image_name>
Purging All:
#docker system prune -a
#docker system prune
Docker daemon start | stop | pause:
#systemctl start / stop/ status docker
#service docker start / stop/ status
Docker for MySQL:
Note: Get tag information for Docker for MySQL from - https://hub.docker.com/_/mysql
Community Edition:
#docker pull mysql/mysql_server:<tag_name OR tag no.>
MySQL Docker Enterprise Edition:
Sign in to Oracle account, from Patches and Updates download tar.zip file for the Docker image (mysql-commercial-version_linux_x86_64_docker_tar.zip), unzip it and load the image
#docker load -i mysql-enterprise-server-version.tar
Docker Run: You can run multiple container using one image
#docker run --name=container_name -d image_name:tag
#docker run --name=mysql_8.1 -d mysql/mysql-server:8.0
#docker run --name=mysql_8.2 -d mysql/mysql-server:8.0
# docker swarm init
# docker network create -d overlay <network_name>
# docker network create --driver=overlay --attachable <network_name>
# docker run -it --name=<container_name> \
--network <network_name> \
--volume=/mysql/data_1:/var/lib/mysql \
--publish 3999:3306 \
-d mysql/mysql-server:5.7.25
# docker logs <container_name> 2>&1 | grep GENERATED
# docker exec -it mysql_8.0.18_3 bash
# docker exec -it mysql_8.0.18_3 mysql -uroot –p
Docker Process:
#docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
73ea2913986e 39649194a7e7 "/entrypoint.sh mysq…" 3 minutes ago Created mysql8_1
#docker stats <container_name or containr_id>
#docker pause <container_name or containr_id>
#docker unpause <container_name or containr_id>
#docker kill <container_name or containr_id>
#docker start <container_name or containr_id>
#docker stop <container_name or containr_id>
#docker rm <container_name or containr_id>
#docker container prune - Remove all stopped containers
Docker Backup and Recovery:
#docker export <container_name or containr_id> > <file_name>.tar
#docker improt <Remover URL / .tar file>
List Docker Container:
#docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
73ea2913986e 39649194a7e7 "/entrypoint.sh mysq…" 3 minutes ago Created mysql8_1
Remove Docker Container:
# docker rm mysql8_1
mysql8_1
Display Docker container status:
#docker ps
#docker --help
Usage: docker [OPTIONS] COMMAND
A self-sufficient run time for containers
Options:
--config string Location of client config files (default "/root/.docker")
-D, --debug Enable debug mode
-H, --host list Daemon socket(s) to connect to
-l, --log-level string Set the logging level
("debug"|"info"|"warn"|"error"|"fatal")
(default "info")
--tls Use TLS; implied by --tlsverify
--tlscacert string Trust certs signed only by this CA (default
"/root/.docker/ca.pem")
--tlscert string Path to TLS certificate file (default
"/root/.docker/cert.pem")
--tlskey string Path to TLS key file (default
"/root/.docker/key.pem")
--tlsverify Use TLS and verify the remote
-v, --version Print version information and quit
Management Commands:
builder Manage builds
config Manage Docker configs
container Manage containers
engine Manage the docker engine
image Manage images
network Manage networks
node Manage Swarm nodes
plugin Manage plugins
secret Manage Docker secrets
service Manage services
stack Manage Docker stacks
swarm Manage Swarm
system Manage Docker
trust Manage trust on Docker images
volume Manage volumes
Commands:
attach Attach local standard input, output, and error streams to a running container
build Build an image from a Dockerfile
commit Create a new image from a container's changes
cp Copy files/folders between a container and the local filesystem
create Create a new container
diff Inspect changes to files or directories on a container's filesystem
events Get real time events from the server
exec Run a command in a running container
export Export a container's filesystem as a tar archive
history Show the history of an image
images List images
import Import the contents from a tarball to create a filesystem image
info Display system-wide information
inspect Return low-level information on Docker objects
kill Kill one or more running containers
load Load an image from a tar archive or STDIN
login Log in to a Docker registry
logout Log out from a Docker registry
logs Fetch the logs of a container
pause Pause all processes within one or more containers
port List port mappings or a specific mapping for the container
ps List containers
pull Pull an image or a repository from a registry
push Push an image or a repository to a registry
rename Rename a container
restart Restart one or more containers
rm Remove one or more containers
rmi Remove one or more images
run Run a command in a new container
save Save one or more images to a tar archive (streamed to STDOUT by default)
search Search the Docker Hub for images
start Start one or more stopped containers
stats Display a live stream of container(s) resource usage statistics
stop Stop one or more running containers
tag Create a tag TARGET_IMAGE that refers to SOURCE_IMAGE
top Display the running processes of a container
unpause Unpause all processes within one or more containers
update Update configuration of one or more containers
version Show the Docker version information
wait Block until one or more containers stop, then print their exit codes
Docker Network: #docker network --help
Usage: docker network COMMAND
Manage networks
Commands:
connect Connect a container to a network
create Create a network
disconnect Disconnect a container from a network
inspect Display detailed information on one or more networks
ls List networks
prune Remove all unused networks
rm Remove one or more networks
Run 'docker network COMMAND --help' for more information on a command.
Docker Swarm join:
Usage: docker swarm join [OPTIONS] HOST:PORT
Join a swarm as a node and/or manager
Options:
--advertise-addr string Advertised address (format: <ip|interface>[:port])
--availability string Availability of the node ("active"|"pause"|"drain") (default "active")
--data-path-addr string Address or interface to use for data path traffic (format: <ip|interface>)
--listen-addr node-addr Listen address (format: <ip|interface>[:port]) (default 0.0.0.0:2377)
--token string Token for entry into the swarm
Docker run:
docker run --help
Usage: docker run [OPTIONS] IMAGE [COMMAND] [ARG...]
Run a command in a new container
Options:
--add-host list Add a custom host-to-IP mapping (host:ip)
-a, --attach list Attach to STDIN, STDOUT or STDERR
--blkio-weight uint16 Block IO (relative weight), between 10 and 1000, or 0 to disable (default 0)
--blkio-weight-device list Block IO weight (relative device weight) (default [])
--cap-add list Add Linux capabilities
--cap-drop list Drop Linux capabilities
--cgroup-parent string Optional parent cgroup for the container
--cidfile string Write the container ID to the file
--cpu-period int Limit CPU CFS (Completely Fair Scheduler) period
--cpu-quota int Limit CPU CFS (Completely Fair Scheduler) quota
--cpu-rt-period int Limit CPU real-time period in microseconds
--cpu-rt-runtime int Limit CPU real-time runtime in microseconds
-c, --cpu-shares int CPU shares (relative weight)
--cpus decimal Number of CPUs
--cpuset-cpus string CPUs in which to allow execution (0-3, 0,1)
--cpuset-mems string MEMs in which to allow execution (0-3, 0,1)
-d, --detach Run container in background and print container ID
--detach-keys string Override the key sequence for detaching a container
--device list Add a host device to the container
--device-cgroup-rule list Add a rule to the cgroup allowed devices list
--device-read-bps list Limit read rate (bytes per second) from a device (default [])
--device-read-iops list Limit read rate (IO per second) from a device (default [])
--device-write-bps list Limit write rate (bytes per second) to a device (default [])
--device-write-iops list Limit write rate (IO per second) to a device (default [])
--disable-content-trust Skip image verification (default true)
--dns list Set custom DNS servers
--dns-option list Set DNS options
--dns-search list Set custom DNS search domains
--entrypoint string Overwrite the default ENTRYPOINT of the image
-e, --env list Set environment variables
--env-file list Read in a file of environment variables
--expose list Expose a port or a range of ports
--group-add list Add additional groups to join
--health-cmd string Command to run to check health
--health-interval duration Time between running the check (ms|s|m|h) (default 0s)
--health-retries int Consecutive failures needed to report unhealthy
--health-start-period duration Start period for the container to initialize before starting health-retries countdown (ms|s|m|h) (default 0s)
--health-timeout duration Maximum time to allow one check to run (ms|s|m|h) (default 0s)
--help Print usage
-h, --hostname string Container host name
--init Run an init inside the container that forwards signals and reaps processes
-i, --interactive Keep STDIN open even if not attached
--ip string IPv4 address (e.g., 172.30.100.104)
--ip6 string IPv6 address (e.g., 2001:db8::33)
--ipc string IPC mode to use
--isolation string Container isolation technology
--kernel-memory bytes Kernel memory limit
-l, --label list Set meta data on a container
--label-file list Read in a line delimited file of labels
--link list Add link to another container
--link-local-ip list Container IPv4/IPv6 link-local addresses
--log-driver string Logging driver for the container
--log-opt list Log driver options
--mac-address string Container MAC address (e.g., 92:d0:c6:0a:29:33)
-m, --memory bytes Memory limit
--memory-reservation bytes Memory soft limit
--memory-swap bytes Swap limit equal to memory plus swap: '-1' to enable unlimited swap
--memory-swappiness int Tune container memory swappiness (0 to 100) (default -1)
--mount mount Attach a filesystem mount to the container
--name string Assign a name to the container
--network string Connect a container to a network (default "default")
--network-alias list Add network-scoped alias for the container
--no-healthcheck Disable any container-specified HEALTHCHECK
--oom-kill-disable Disable OOM Killer
--oom-score-adj int Tune host's OOM preferences (-1000 to 1000)
--pid string PID namespace to use
--pids-limit int Tune container pids limit (set -1 for unlimited)
--privileged Give extended privileges to this container
-p, --publish list Publish a container's port(s) to the host
-P, --publish-all Publish all exposed ports to random ports
--read-only Mount the container's root filesystem as read only
--restart string Restart policy to apply when a container exits (default "no")
--rm Automatically remove the container when it exits
--runtime string Runtime to use for this container
--security-opt list Security Options
--shm-size bytes Size of /dev/shm
--sig-proxy Proxy received signals to the process (default true)
--stop-signal string Signal to stop a container (default "SIGTERM")
--stop-timeout int Timeout (in seconds) to stop a container
--storage-opt list Storage driver options for the container
--sysctl map Sysctl options (default map[])
--tmpfs list Mount a tmpfs directory
-t, --tty Allocate a pseudo-TTY
--ulimit ulimit Ulimit options (default [])
-u, --user string Username or UID (format: <name|uid>[:<group|gid>])
--userns string User namespace to use
--uts string UTS namespace to use
-v, --volume list Bind mount a volume
--volume-driver string Optional volume driver for the container
--volumes-from list Mount volumes from the specified container(s)
-w, --workdir string Working directory inside the container
Docker run:
docker run --name dbmaster -e MYSQL_ROOT_PASSWORD=DBpassword -p 10.0.1.101:3306:3306 -d mysql
Explore - Docker Network, Docker Network
7 layers (level) of OSI
Docker v/s Kubernetes
Weave v/s Calico
Weave
VXLAN
What is VXLAN
VXLAN White papers
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