Image: a read-only template, similar to the image of a virtual machine.
Container: it can be understood as a running instance of the image. The runtime is similar to a sandbox, with multiple containers independent of each other.
Warehouse: the place where image files are stored.
Posted by evildarren on Sat, 16 May 2020 09:07:41 +0200
1, Install dockersystem information
[root@localhost yum.repos.d]# cat /etc/centos-release
CentOS Linux release 7.8.2003 (Core)
[root@localhost yum.repos.d]# uname -a
Linux localhost.localdomain 3.10.0-514.el7.x86_64 #1 SMP Tue Nov 22 16:42:41 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
1. Install yum extension toolY ...
Posted by utpal on Fri, 15 May 2020 16:57:42 +0200
yum install -y httpd
systemctl start httpd
Set apache to power on automatically
systemctl enable httpd
Access public network address to check whether apache is normal
Install MySQL database
wget -i http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm
yum -y install mysql57-community-release-el7-10 ...
Posted by pedroteixeira07 on Mon, 11 May 2020 19:01:44 +0200
Author|Wang Xining Senior Technical Expert of Alibaba
Guidance: This paper is abstracted from the book "Istio Service Grid Technology Analysis and Practice" written by Wang Xining, a senior technical expert in Ali Cloud. It describes how to use Istio to manage multi-cluster deployment to illustrate the support capability of service ...
Posted by ainoy31 on Thu, 07 May 2020 19:48:08 +0200
Replica set introduction
What is a replica set
-MongoDB replication is the process of synchronizing data on multiple servers.
-Replication provides redundant backup of data and stores copies of data on multiple servers, improving data availability,
And can ensure the security of data. -Replication also allows you to recover data from hardwa ...
Posted by Shibbey on Wed, 06 May 2020 03:09:50 +0200
Completing Kubernetes binary deployment step by step (I) -- etcd cluster building (single node)
The basic theory and core components of Kubernetes are briefly introduced. The first step of deploying Kubernetes cluster with single node and binary system is to build etcd cluster experiment flow.
List of cluster planning (the next article ...
Posted by RestlessThoughts on Tue, 05 May 2020 17:14:40 +0200
In VMware virtual machine (Linux), our Linux server may have multiple disks (or virtual disks), as shown below. The disks of this server include hard disk 1, hard disk 2 The hard disk 10 has a total of 10 hard disks. In Linux system, the corresponding devices in the disk are as follows
[root@mylnx01 ~]# ls -lrt /dev/sd*
brw-r----- 1 roo ...
Posted by jonybhi on Mon, 04 May 2020 22:34:19 +0200
Install and deploy dashboard
1. Check pod operation
kubectl get pods -A -o wide
Download the recommended.yaml filewget https://raw.githubusercontent.com/kubernetes/dashboard/v2.0.0/aio/deploy/recommended.yamlModify the recommended.yaml filevim recommended.yamlkind: ServiceapiVersion: v1metadata: labels: k8s-app: kubernetes-dashboard name ...
Posted by anto on Mon, 04 May 2020 18:02:22 +0200
1. elatic engineer certification examination
If you have the strength, you can take the exam. It will be helpful for the appreciation and salary increase
2. es architecture
Use elasticsearch plugin in elasticsearch-7.1.0/bin to install the plug-in. es will download a ...
Posted by oskom on Mon, 04 May 2020 14:05:17 +0200
Recently, we are trying to use a log system, graylog, to collect the slow query log of mysql for subsequent analysis, monitoring and alarm. The test steps have been completed and the logs have been collected successfully. During the test, you need to brush some slow query logs. In order to brush more logs and not have a greater impact o ...
Posted by murp32 on Mon, 04 May 2020 13:43:41 +0200