kubernetes Series Tutorial kubernetes Resource Management and Quality of Service

Write before In the last article kubernetes Series Tutorials (5) Deep understanding of core concepts pod yaml's first introduction to kubernetes is an important concept of pod, followed by introduction kubernetes series tutorials resource management of pod and Quality of service of pod. 1. Pod Resource Management 1.1 resource definition Contai ...

Posted by ddragas on Sat, 28 Dec 2019 11:19:33 -0800

Rancher, K8S Persistent Storage Ceph RBD Setup and Configuration

1. Configure host, install ntp (not required)2. Configure Secret-Free ssh3. Configure ceph, yum source vim /etc/yum.repo.d/ceph.cepo [ceph] name=ceph baseurl=http://mirrors.cloud.tencent.com/ceph/rpm-luminous/el7/x86_64/ gpgcheck=0 priority=1 [ceph-noarch] name=cephnoarch baseurl=http://mirrors.cloud.tencent.com/ceph/rpm-luminous/el7/noarch/ ...

Posted by sissy on Fri, 27 Dec 2019 17:10:58 -0800

Deploy Docker swarm cluster

1, Introduction to Docker swarm Docker swarm and docker-compose In the same way, it is the official docker container choreographer. But the difference is that Docker Compose is a tool to create multiple containers on a single server or host, while Docker Swarm can create container cluster services on multiple servers or hosts. Obviously, Docke ...

Posted by FusionComputers on Fri, 27 Dec 2019 05:39:47 -0800

Good helper of MySQL DBA -- dbm

Guidance: Author: at present, Jiang lexing MySQL DBA maintains two sets of MySQL open-source tools & DBM (DBM agent DBM Center) on github, and has some experience in machine learning and programmed transaction. Catalog Using dbm to liberate productivity Install & initialize DBM agent One line command to solve the problem of inst ...

Posted by project18726 on Thu, 26 Dec 2019 19:57:17 -0800

k8s storage volume

1.emptyDir storage volume apiVersion: v1 kind: Pod metadata: name: cunchujuan spec: containers: - name: myapp #Define the first container to display the contents of the index.html file image: ikubernetes/myapp:v1 imagePullPolicy: IfNotPresent volumeMounts: #Call Storage Volume - name: html #Use the name of the ...

Posted by abhikerl on Thu, 26 Dec 2019 18:11:57 -0800

k8s Install sonarqube

1. Overview The SonarQube platform consists of four components: A SonarQube Server starts three main processes: Web server for developers and administrators to browse high-quality snapshots and configure SonarQube instances Search Server based on Elasticsearch searches backwards from the UI Compute Engine server, responsible for processing c ...

Posted by ljCharlie on Thu, 26 Dec 2019 16:21:17 -0800

Important subdirectories of Linux system

More catalog knowledge http://blog.51cto.com/yangrong/1288072 /etc/fstab   Machine automatically mounts partition / disk, specifies which partition / device and where to mount 1 [root@oldboy ~]# cat /etc/fstab 2 3 # 4 # /etc/fstab 5 # Created by anaconda on Sun Aug 12 17:26:53 2018 6 # 7 # Accessible filesystems, by reference, are m ...

Posted by Ben Phelps on Thu, 26 Dec 2019 10:51:27 -0800

ssh command; key authentication; service management in linux

1.openssh When the openssh service is enabled in the host, the remote connection interface is opened to the public. The service end of openssh service is open to the public, and the remote connection is open to the public sshd ා server software, open an interface for others to connect through other ways 2. How to connect s ...

Posted by ldmccla on Thu, 26 Dec 2019 10:47:17 -0800

MySQL open_file_limit configuration mist

Guidance: Author: Wei Xinping, a student in the 5th MySQL battle class of Zhishutang and a student in the 10th MySQL optimization class, is currently a teaching assistant. 1. Official Interpretation The maximum number of file descriptors the mysqld process can use, and the actual value of mysql will be the largest of the following four values ...

Posted by MarineX69 on Wed, 25 Dec 2019 18:02:04 -0800

How to extend the partition of centos system

Problem / fault / scenario / requirement The hard disk of Eve NG's virtual machine ova is only 38G, which needs to increase the space. After vmware directly expands the hard disk, restart the system. Using fdisk-l, you can see that the hard disk has expanded, but the file system has not expanded, and you need to allocate these new space expans ...

Posted by CavemanUK on Wed, 25 Dec 2019 07:01:14 -0800