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Recently, Alibaba cloud urged a friend to deal with the system vulnerability quickly, and shut down the machine if he didn't deal with it again. This friend deployed 32-bit PostgreSQL 8.1 on a CentOS 6 host in Alibaba cloud. He wants to use this. Think about it, or install PostgreSQL 8.1 on CentOS 7. The former is a 64 bit operating system, an ...

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 ...

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 ...

Kubeadm is an official tool provided by Kubernetes to quickly install the Kubernetes cluster. With each release of Kubernetes updated synchronously, Kubeadm will adjust some of the cluster configuration practices. By experimenting with kubeadm, you can learn some new Kubernetes official best practices on cluster configuration. operating system ...

CentOS 7 ---- Recently, I have reinstalled the virtual machine Linux, and I will take some practical notes. The following is a guide for pit arrangement: For initial installation, configure the network card and virtual machine host network first. To view network card details, enter the following command: ifconfig ip addr ip link ...

RHEL 7 installation using docker I. Introduction Docker is an open source application container engine, which allows developers to package their applications and dependency packages into a portable container, and then publish them to any popular Linux machine, or realize virtualization. Containers are completely sandboxed and ...

1. Instructions for docker file s 1. Instruction 1:FROM Instruction FROM must be the first comment directive Used to specify the base image, which can be any image When using the FROM command, docker daemon automatically looks for the specified image on its own machine first, and if it does not, it looks for the image on docker hub or other s ...

1. Introduction to Basic Environment 1. Introduction of basic software and hardware environment 64-bit CPU required linux Kernel Version 3.10 and above Kernel supports cggroups and namespace System version is CentOS7.4 [centos6 is also available but unstable] Docker version 18.06 K8S version 1.16 [k8s version must be compatible with docker ve ...

CentOS 7 Linux Installation MongoDB - yum installation 1. Build repo resources of CentOS7 Enter / etc/yum.repos.d/ directory, create mongodb-org.repo file, edit this file with vim, and add repo resources.Http://mirrors.aliyun.com/mongodb/yum/redhat/7server/mongodb-org/3.0/x86_/ is the resource address provided by Alibaba clo ...

Replace yum warehouse source cp -r /etc/yum.repos.d/ /etc/yum.repos.d.bak 񖓿 configuration of warehouse source of backup system rm -f /etc/yum.repos.d / * ා delete all warehouse source configurations cd /etc/yum.repos.d / ා enter the warehouse source directory wget http://mirrors.163.com/.help/CentOS7-Base-163.repo(wget installation: yum insta ...