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Permission management under Linux Permission management under Linux 1. How to view and read permission information [1]ls ls -l file Enter the specified directory ls -d dir View catalog itself ls -a dir All files contain hidden ls -S dir View and sort by size ls -s dir View file size T ...

Docker installs the latest version of Mysql (Mysql8.0) Docker environment configuration Mysql8.0 configuration Note: Note 1 Note 2 Last Congratulations, docker MySQL has been built successfully! If you think the writing is good, please click below to give a reward, thank you!! Original: product R ...

1, Preparations 1.1 server preparation Operating system: centos 7.x 1.2. Install the text editing tool nano # yum -y install nano 2, Turn off SELinux 2.1. View SELinux status 2.1.1. First method: view SELinux status # /usr/sbin/sestatus SELinux status:                 enabled SELinuxfs mount:                /sys/fs/selinux SELinux root director ...

Docker uses timeline as version number after version 1.13, which is divided into community version CE and enterprise version EE. The community version is free for individual developers and small groups. The enterprise version will provide additional charging services, such as infrastructure, containers, plug-ins, etc. that ...

One preparation 1.1 complete architecture: Kickstart+DHCP+NFS+TFTP+PXE 1.2 component application Kickstart server IP: 172.24.8.12 DHCP: provide client IP, gateway, image path, etc; TFTP: sharing pxelinux.0, initrd.img, vmlinux, isolinux.cfg, boot.msg, vesemanu.c32, splash.png files NFS: share ks.cfg and all CD files Note: this ks.cfg file and a ...

1. purpose lvs is a four-tier load balancing. keepalived provides lvs with highly available services and checks the health status of the backend nginx. Nginx is mainly used for seven tier load balancing 2. topological graph Server IP address description Director master 192.168.3.105 LVS kept alive Director standby node 192.168.3.104 LVS ke ...

install Server side Install software: yum -y install rsync To create a directory to synchronize: mkdir -p /data Edit the configuration file: vim /etc/rsyncd.conf motd file = /etc/rsyncd.motd transfer logging = yes log file = /var/log/rsyncd.log #Log storage path port = 873 #Port number address = 192.168.0.37 #IP address uid = root #User ...

I. compile and deploy Nginx 1.12 Installation configuration: [root@localhost ~]# groupadd nginx [root@localhost ~]# useradd -s /sbin/nologin -g nginx -M nginx [root@localhost ~]# systemctl stop firewalld [root@localhost ~]# systemctl disable firewalld #Turn off selinux #Server file descriptors, etc [root@localhost ~]# yum install gcc gcc-c++ ...

Construction of Varnish experimental environment 1. Download the 6.5 image and configure the network yum source on the host yum install httpd -y systemctl start httpd systemctl enable httpd mkdir /var/www/html/rhel6.5/ mount /iso/rhel-server-6.5-x86_64-dvd.iso /var/www/html/rhel6.5/ 2. Create a master disk: (1) open Virtual ...

About Keepalived Keepalived is originally designed for LVS, which is specially used to monitor the status of each service node in the cluster system. It detects the status of each service node according to the third, fourth and fifth layer switching mechanisms of the TCP/IP reference model. If a server node is abnormal, or the ...