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Article directory Preface: 1, Overview of enterprise cluster application 1.1 basic overview of cluster 1.2 enterprise cluster classification 1.3 analysis of load balancing cluster working mode 1.3.1 NAT mode 1.3.2 TUN mode IP Tunnel 1.3.3 DR mode 1.4 load balancing cluster architecture 1.53 about ...

Bowen catalogue 1, Linux directory structure 2, Linux view file content basic command 3, Compress and decompress files 4, vi text editor 1, Linux directory structure Linux directory structure adopts tree structure, including root directory and subdirectory. 1. Root directory The location starting point of all partitions, directories, files, ...

The default capacity of vagrant CentOS 7.2 box is only 8G 8G?! What can be done? This capacity will be full in a few weeks. Maybe it's for the sake of portability, but as a developer who wants to build various development environments on vagrant, the capacity of 8G can only make vagrant a chicken. Fortunately, there are gods on the ...

  1, centos6 start management   1.1 significance of operation level   1.2 view operation level [root@localhost log]# runlevel 3 5     //It means 5 at present, 3 before. If it's N, it means direct power on to enter 5   1.3. Set the default startup operation level [root@localhost log]# vim /etc/inittab     2, S ...

Rsync full network backup ===========Operation and maintenance Road -The environment is as follows # Server IP: 10.0.0.100 # Client IP: 10.0.0.101 [root@Centos ~]# cat /etc/redhat-release CentOS Linux release 7.5.1804 (Core) [root@Centos ~]# systemctl status firewalld.service ● firewalld.service - firewalld - dynamic fi ...

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. ...

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. It can also realize virtualization. The container uses the sandbox mechanism completely, and there is no interface ...

1, Resource control 1. CPU usage control Limit the maximum number of containers created by this image to 10% of the total resources docker run --cpu-quota 10000 centos 2. Prorated distribution Create two containers, c1 and c2. If there are only two containers, set the weight of the container so that the CPU resources of c1 and c2 account for 3 ...

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 ~]# ...