# Pull
docker pull consul
# start up
docker run -d -p 8500:8500-v /usr/local/docker/consul:/consul/data -e CONSUL\_BIND\_INTERFACE='eth0'--name=cxyConsul mirror id agent-server -bootstrap -ui -node=node-1-client='0.0.0.0'-datacenter=cxy
server: Start as server. The default is client
bootstrap-expect: The minimum number of servers required by the cluster. When it is lower than this number, the cluster fails.
data-dir: The directory where data is stored. For more information, please refer to the consul data synchronization mechanism
node: node id, each node in the cluster must have a unique name. By default, Consul uses the hostname of the machine
bind: listening ip address. Default binding 0.0.0.0, can not be specified. Indicates the address monitored by Consul,And it must be accessible by other nodes in the cluster. Consul will listen to the first private IP by default,But it is better to provide one. The server on the production equipment usually has several network cards, so it is not wrong to specify one
client:The ip address of the client, 0.0.0.0 means anyone can visit (do not add this, the following ui:8500 cannot be accessed)
ui:Can access the UI interface
- config-dir specifies the configuration folder, Consul will load all files in it
- datacenter specifies the name of the data center, the default is dc1
Judging by the Mirror OFFICIAL label, the one with the name jenkins ranked first is the official Jenkins mirror. Should we use this official mirror?
If you have read the Docker installation section in the Jenkins documentation, you will find that the official recommended image is jenkinsci/blueocean, which contains the current long-term support (LTS) version of Jenkins (which can be used in production) and bundles all Blue Ocean plugins and Features.
The Jenkins image was used for the first installation. The integrated Jenkins version was relatively high. As a result, a lot of plug-in incompatibility appeared. It was a troublesome thing for me and other Xiaobai.
Here we decisively use the jenkinsci/blueocean image and use the docker pull command to pull:
# Pull mirror
docker pull jenkinsci/blueocean
# Start the container
docker run \
- - name cxyJenkins-blueocean \
- d \
- p 8081:8080 \
- p 50000:50000 \
- v /usr/local/docker/jenkins:/var/jenkins_home \
jenkinsci/blueocean
# Report an error
[ root@centos8 jenkins]# docker logs 06a6e888dbf5
touch: cannot touch '/var/jenkins_home/copy_reference_file.log': Permission denied
Can not write to /var/jenkins_home/copy_reference_file.log. Wrong volume permissions?
# modify
sudo chown -R 1000:1000/usr/local/docker/jenkins
# success
root@centos8 jenkins]# sudo chown -R 1000:1000/usr/local/docker/jenkins
[ root@centos8 jenkins]# docker start 06a6e888dbf5
06 a6e888dbf5
[ root@centos8 jenkins]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
06 a6e888dbf5 jenkinsci/blueocean "/sbin/tini -- /usr/…"4 minutes ago Up 3 seconds 0.0.0.0:50000->50000/tcp,0.0.0.0:8081->8080/tcp cxyJenkins-blueocean
63785 bef8658 6ad6cb039dfa "/docker-entrypoint.…"2 weeks ago Up 10 minutes 2888/tcp,3888/tcp,0.0.0.0:2181->2181/tcp,8080/tcp cxyZookeeper
992 d0be96bc1 mysql:8.0.20"docker-entrypoint.s…"5 weeks ago Up 10 minutes 33060/tcp,0.0.0.0:3307->3306/tcp mysqlSlave
23 ceac64fab5 mysql:8.0.20"docker-entrypoint.s…"5 weeks ago Up 10 minutes 0.0.0.0:3306->3306/tcp,33060/tcp mysqlMaster
48 f8725736c3 redis:6.0.5"docker-entrypoint.s…"5 weeks ago Up 10 minutes 6379/tcp,0.0.0.0:7003->7003/tcp redisSentinel
38 c2f6e00354 redis:6.0.5"docker-entrypoint.s…"5 weeks ago Up 10 minutes 6379/tcp,0.0.0.0:6666->6666/tcp cxyredis
# If everything is normal to access the above, you can now use http://<ipaddress>:8081 Visited the Jenkins web interface.
# Administrator initialization password
[ root@centos8 jenkins]# docker exec -it 06a6e888dbf5 /bin/bash
bash-5.0$ cat /var/jenkins_home/secrets/initialAdminPassword
c994db795bb9450399b48e54efbc1b47
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