Docker advanced network practice
Provided by libnetwork in Docker 4 drives , they have their own advantages, but in fact, each method has certain limitations. Suppose we need to operate a data center network. We have many host computers. Hundreds or even thousands of Docker containers are running on each host computer. The details of using four network drivers are as follows. ...
Posted by KeitaroHimura on Fri, 15 Apr 2022 16:30:56 +0300
Data persistence + network mode + resource limitation of Docker container
Three ways of docker container data persistence
docker provides three ways to mount data from the host to the container:
volumes: Docker is the best way to manage part of the host file system (/ var / lib / docker / volumes) to save data.
bind mounts: Mount files or directories from any location on the host to the container.
tmpfs:: mount i ...
Posted by Donny Bahama on Thu, 14 Apr 2022 07:39:05 +0300
Docker deployment service
Deploy Nginx
Looking for images
docker search nginx: the latest version by defaultView different version information on the official website
Download Image
docker pull nginx
[root@iZwz9hv1phm24s3jicy8x1Z ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
nginx latest 605c77e624dd 3 months ago 141MB
...
Posted by hoboman on Thu, 14 Apr 2022 03:48:21 +0300
Kubernetes 1.20.4 fast upgrade and capacity expansion of high availability cluster
After the Spring Festival in 2021, Kubernetes is new again.
Kubernetes 1.20.4 has been officially released, and highly available clusters can also be upgraded directly (hub.docker.com has been stopped, and registry.cn-hangzhou.aliyuncs.com/google_containers is used). Fast upgrade (including domestic image quick download link) includes ...
Posted by adamjblakey on Wed, 13 Apr 2022 19:33:51 +0300
apt installs docker&docker log& logging driver to extract logs from the running container
apt installs docker & docker Log & logging driver
A: Online apt installation
1. Install docker Online
# Configuration after docker installation, image acceleration
root@ekmp-server-prod:/home/ekmp# docker
Command 'docker' not found, but can be installed with:
snap install docker # version 19.03.13, or
apt install docker.io ...
Posted by stuart7398 on Wed, 13 Apr 2022 17:38:55 +0300
Snapshot and snapshot data
Record the process of backing up the data in the es cluster with elatic dump
First of all, my environment is the single node mode of es cluster started by docker. The following is the docker compose file
version: '2'
services:
es01:
image: docker.elastic.co/elasticsearch/elasticsearch:7.5.2
container_name: dockerelk_new_es
#rest ...
Posted by jpschwartz on Wed, 13 Apr 2022 14:37:16 +0300
Docker Compose detailed explanation and project construction
Docker Compose detailed explanation and project construction
preface
Through the previous articles, we know the installation, image operation and container operation of Docker, and also have a preliminary understanding of Dockerfile to build its own image. Next, we need to consider how to deploy through Docker from the perspective of a projec ...
Posted by technotool on Wed, 13 Apr 2022 11:04:06 +0300
Kubedm quickly builds k8s clusters (single master node)
Kubedm quickly builds k8s clusters (single master node)
1, Cluster pre deployment planning
hostoperating systemIPdocker versionk8s versionk8s-master1Centos7.9192.168.15.13920.10.121.23.4-0k8s-node1Centos7.9192.168.8.13520.10.121.23.4-0k8s-node2Centos7.9192.168.8.13620.10.121.23.4-0
2, Main steps
Node preparation (all nodes)Deployment contain ...
Posted by myanavrin on Tue, 12 Apr 2022 23:47:17 +0300
Docker compose deploy MinIO distributed cluster
Docker compose deploy MinIO distributed cluster
summary
MinIO is the world's leading pioneer in object storage, with millions of users worldwide.
High performance. On standard hardware, the read / write speed is as high as 183GB / s and 171GB / s, with higher throughput and lower latencyScalability, which brings a simple scaling model fo ...
Posted by kkeim on Tue, 12 Apr 2022 22:33:28 +0300
Simple construction and operation of Python Flask service of Docker
preface
Run a simple flash project in the form of Docker container
step
I Write py code
1. Write a simple flash project in python. Here I use PyChram to write the project
Create an app Py files are as follows: (it is worth noting that Flask needs a wave of packet inversion. Move the mouse to Flask and press Alt + Enter to complete the pa ...
Posted by y2yang on Mon, 11 Apr 2022 15:05:37 +0300