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1. Build os basic mirror 1) Make your own os mirror Dockerfile, note that the first letter "D" of the Dockerfile name must be capitalized, otherwise it will not be recognized when you build it [root@k8s centos7.6]# cat Dockerfile #Basic Mirror Source, download centos:7.6.1810 in dockerhub beforehand FROM centos:7.6.1810 ...

The basic concept of TLS TLS (Transport Layer Security), TLS is a protocol built on the TCP protocol of the transmission layer, serving the application Layer. Its predecessor is SSL (Secure Socket Layer), which realizes the function of encrypting the message of the application layer and then delivering it to TCP for transmission. TLS protocol ...

Here I choose the official website to download the source package, compile and install Reference 1: when linux is configured, how do you choose to install it by compilation or by yum Reference 2: mysql installation under linux 1, Preparation: Download address on Mysql official website 2, Pit summary: 2.1 about i ...

11. Ke keepalived Highly Available Clusters Chapter (1) Description of keepalived service concept What can keepalived do? The Keepalived software was originally designed for LVS load balancing software. Used to manage and monitor the status of each service node in the LVS cluster system, and later added VRRP capabilities that enable high availa ...

Get ready    prepare three Linux machines that can access each other. Take Centos 7 as an example: node1-192.168.22.117 node2-192.168.22.118 node3-192.168.22.119    turn off the firewalls of these three machines: systemctl disable firewalld.service systemctl stop firewalld.service install    etcd nee ...

operating system Modify / boot/grub2/grub.cfg Navigate to the first 'menu' CentOS Linux 'and add it on the last side of "linux16 /vmlinuz" numa=off transparent_hugepage=never default_hugepagesz=2M hugepagesz=2M hugepages=1536 *hugepagesz indicates the page size. Choose one of 2M and 1G, and the default is 2m. hugepages ...

8, Architecture nginx practical application (1) Introduction of web service software There are three kinds of software commonly used to provide static Web services: 1 Apache: This is the mainstream of small and medium-sized Web services, the big brother of web servers. 2 Nginx: The mainstream of Web services for large-scale websites, onc ...

I. demand introduction Previously, boss put forward a requirement that the app running on the advertiser needs to complete the automatic upgrade function. The advertiser is non touch screen and cannot be clicked manually. Therefore, the app must be downloaded automatically and installed and upgraded automatically. After the installation, the ap ...

Turn on Remote Desktop login by enabling screen sharing. After turning on, you need to turn off encryption. Otherwise, you will not be able to connect. Closing encryption can be done by using the system configuration tool dconf. So install dconf editor first. Update source and install system configuration tool (cannot install without updating s ...

Author: Tyan Blog: noahsnail.com  |  CSDN  |  Brief book 1. Problem description Recently, a little thing was reinstalled on the server. As a result, the login shell interface turned into - bash-4.2 $, which was ugly and inconvenient to use. The main reason is that scp needs user name and host name, so it was modified. 2. Solutions Mod ...