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kubernetes persistent storage PV and PVC 1. Introduction of PV and PVC Volume provides a very good data persistence scheme, but there are still deficiencies in manageability. Take the previous example of AWS EBS. To use Volume, Pod must know the following information in advance: The current Volume is from AWS EBS. The EBS Volume has been crea ...

Aria2 creates offline network disk Official website Construction conditions: Own ladderThe server should preferably be foreign, which will save a lot of problems Step 1: docker runs p3terx / aria2 Pro docker run -d \ --name aria2-pro \ --restart unless-stopped \ --log-opt max-size=1m \ -e UMASK_SET=022 \ -e RPC_SECRET= <TOKEN& ...

catalogue 1, dockerfile layering principle 1.docker image layering (based on aufs) 2. Technology involved 2, Written by dockerfile 1.dockerfile operation instruction 2. Prepare dockerfile file 2.1 example 1: ​ 2.2 example 2: III. dockerfile optimization 1. Optimization mode 2. Optimize nginx dockerfile summary 1, dockerfile lay ...

reason: It is found that the server occupies 100% of the memory. Execute the command to check the memory usage ps aux | head -1;ps aux |grep -v PID |sort -rn -k +4 | head -20   It is found that the / tmp/juma directory occupies too much memory, but the local directory does not have the / tmp/juma directory. Through search and troubles ...

Configuration of docker network The creation of namespace in Linux kernel ip netns command You can complete various operations on the Network Namespace with the help of the ip netns command. The ip netns command comes from the iproute installation package. Generally, the system will install it by default. If not, please install it yourself. ...

1. Kubernetes Installation Chinese Community of Kubernetes|Chinese Documentation Set Ali Cloud Mirror vim /etc/yum.repos.d/kubernetes.repo [kubernetes] name=Kubernetes baseurl=http://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64/ enabled=1 gpgcheck=0 Install minikube curl -LO https://storage.googleapis.com/mi ...

1. Preparatory work Operating environment: Test environment: Operating system: Centos7cpu: Quad CoreMemory: 4Gdocker version: 20.10.8 Jianmu CI version: v2.0.0 2. How to install Jianmu CI Use docker compose for deployment. For detailed instructions on how to use docker compose, please refer to the official docker document: https://docs.d ...

For image download, domain name resolution and time synchronization, please click Alibaba open source mirror station Practice environment CentOS-7-x86_64-DVD-1810 Docker 19.03.9 Kubernetes version: v1.20.5 Before starting One Linux operating system or more, compatible with deb,rpm Ensure that each machine has 2G memory or more Ensure th ...

1 Linux Kernel Implements Namespace Creation 1.1 ip netns command You can use the ip netns command to complete various operations on the Network Namespace. The ip netns command comes from the iproute installation package, which is usually installed by default. If not, install it yourself. Note: The ip netns command requires sudo privile ...

docker container network configuration The creation of namespace in Linux kernel ip netns command You can complete various operations on the Network Namespace with the help of the ip netns command. The ip netns command comes from the iproute installation package. Generally, the system will install it by default. If not, please install it ...