Programming VIP

I. experimental configuration and requirements The configuration requirements for establishing ACL extension on the route are as follows:1. Allow PC1 to access Linux web Services2. Allow PC2 to access the ftp service of Linux3. Prohibit PC1 and PC2 from accessing other Linux services4. Allow PC1 to access PC2 II. Deployment of experimental env ...

Server configuration Password free login, configure public key connection Copy the local public key to the server $ ssh-copy-id -i ~/.ssh/id_rsa.pub root@192.168.100.80 Replace aliyum source Replace Centos-7.repo wget http://mirrors.aliyun.com/repo/Centos-7.repo # backups mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo ...

Catalog Build python dual version environment under centos I. Installation of Python 3 1. Clear up the location of python 2. Update related packages for downloading and compiling Python 3 3. Installation of pip 4. Installing wget with pip 5. Download the source package of Python 3 with wget ...

I. Conditional testing Format 1: test conditional expression Format 2: [Conditional expression] II. Document testing -d: Test if it is a directory( Directory) -e: Test the existence of a directory or file( Exist) -f: Test whether it is a file or not( File) -r: Test whether the current user has permission to read( Read) -w: ...

Describes how to build docker image warehouse on your own server I. check the docker version of the host computer If the version is less than 17, you need to download a new version of docker. If your version of docker is more than 17, skip below and jump directly to the second block. docker -v 1. Update yum source yum update 2. Unload the old v ...

Distribution System-expect yum install -y expect //Automatic remote login #! /usr/bin/expect set host "192.168.133.132" set passwd "123456" spawn ssh root@$host expect { "yes/no" { send "yes\r"; exp_continue} "assword:" { send "$passwd\r" } } interact After automatic remote login, execute commands and exit #!/usr/bin/expect set user "roo ...

Note that if docker is installed in the virtual machine, the firewall can be closed first to avoid unknown problems. install If the docker version is too low, you can list the information of the software that contains the docker field by following commands # rpm -qa | grep docker Uninstall software us ...

Configure the website service program first Step 1: Mount the system image in the CD-ROM device into the / media/cdrom directory. [root@LinuxLehehe ~]# mkdir -p /media/cdrom [root@LinuxLehehe ~]# mount /dev/cdrom /media/cdrom mount: /dev/sr0 is write-protected, mounting read-only Step 2: Create configu ...

Confirm OS version: [root@bogon ~]# cat /etc/redhat-release CentOS Linux release 7.4.1708 (Core) yum installation: [root@bogon ~]# yum -y install httpd mod_dav_svn subversion Installation verification: [root@bogon ~]# rpm -qa | egrep "httpd|mod_dav_svn|subversion" httpd-tools-2.4.6-89.el7.centos.1.x86_64 httpd-2.4.6-89.el7.centos.1.x86_64 subv ...

1. Download the installation package wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.8.3.tar.gz After downloading, decompress. The address I decompressed is: / usr / local / elastic search 6.8.3 2. Creating Users es cannot run as root, so you need to create users adduser elastic #Create elastic users Cre ...