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Generally, there are two types of yum sources: local yum source and local network yum source. The former provides installation package through file, and the latter downloads installation package through network; Because the yum source of RedHat 7.3 needs to be registered for payment, it often fails to download the yum source i ...

Recently, all kinds of servers have been intruded, so in terms of security, we should pay great attention to it. We hereby record that we can use google's authentication plug-in to obtain dynamic authentication code to complete ssh login.    OS: 　　centos7   Installation configuration: 1. Install epel source yum -y install epel-release 2. ...

1. Install hubot 1.1 install node.js and npm yum install -y nodejs npm npm install -g inherits n yum install -y curl 1.2 install yo generator hub npm install -g yo generator-hubot npm install coffee-script -save //The following packages are optional: npm install hubot-test-helper --save-dev npm install expect.js npm ...

1, Install docker Environment: YUM source for rhel7.3 [root@18 docker]# yum install docker-engine-17.03.1.ce-1.el7.centos.x86_64.rpm -y [root@18 docker]# yum install docker-engine-selinux-17.03.1.ce-1.el7.centos.noarch.rpm -y [root@18 docker]# systemctl start docker.service ##View docker version [root@18 docker]# docke ...

Local yum source configuration In our newly installed REDHAT 7 system, there is no configuration source. In order to save space and improve the operation efficiency, many packages are not installed. When we find that there are missing packages, we need to install them by ourselves. The installation needs to use the yum source. ...

Modify the default yum source of CentOS to mirrors.163.com 1. First, back up the yum source configuration file / etc/yum.repos.d/CentOS-Base.repo [root@localhost ~]# mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup 2. Enter the folder where the yum source configuration file is located [root@localhost ~]# ...

1. Environment: Nginx installed from yum. 2. Scenario: redirect the error prompt page of Nginx. 3. Configuration file / etc/nginx/conf.d/default.conf tip: why is this configuration file? Because include /etc/nginx/conf.d/*.conf is loaded in the nginx.conf file; 4. default.conf source code: server { listen 80; serve ...

Main points: 1. Use of ACL in Squid II. Log Analysis 3. Reverse Proxy 1. Use of ACL in Squid (1) ACL access control methods: 1. List of definitions based on source address, destination URL, file type, etc. acl List Name List Type List Content... 2. Restrict the list of defined ACLS http_access allow or deny list name... (2) ACL rule priority ...

KVM virtual machine: 1.KVM is the abbreviation of kernel based virtual machine. It is an open source system virtualization module. It has been integrated into various major Linux distributions since Linux 2.6.20. It uses Linux's own scheduler for management, so compared with Xen, its core source code is very few. KVM has become one of the mai ...

MongoDB Basic Installation Overview of MongoDB (1) MongoDB is a database based on distributed file storage.Written in C++.Designed to provide scalable high performance data storage solutions for WEB applications. (2) MongoDB is a product between relational and non-relational databases, which is the most rich and similar to relational databases ...