Programmer Group

Introduction to Cobbler Cobbler is a Linux server installation service. It can quickly install and reinstall physical servers and virtual machines through PXE, and manage DHCP, DNS, etc. Cobbler can use command-line management, also provides a Web-based interface management tool (cobbler Web), also provides an API interface, which is conveni ...

Preface We are familiar with the bastion machine (springboard machine). In order to ensure the security of the server, we add a bastion machine. All ssh connections are completed through the bastion machine. The bastion machine also needs to have identity authentication, authorization, access control, audit and other functions. Jumpserver is t ...

Guide reading Official website: http://www.freetds.org Download address: http://ibiblio.org/pub/Linux/ALPHA/freetds/stable/freetds-stable.tgz This software can connect MS SQL server and Sybase database with Linux and Unix Installation and configuration Download the FreeTDS installation package to the server first wget -c http://ibiblio.org/ ...

The experiment needs five virtual machines, all of which are centos7 Client Router lvs server 172.22.144.188 1 interface 172.22.144.17 2 interface 192.168.49.5 172.22.144.17 192.168.49.5 rs1 server rs2 server 192.168.49.3 192.168.49.4 **Client configuration** vim /etc/sysconfig/nerwork-scripts/ifcfg-ens33 DEVICE=ens33 NAME=ens33 ...

Prometheus service is installed by default, service address: 192.168.56.200 I. obtain snmp information of the switch snmp service IP (switch IP): 172.20.2.83 snmp community: dfetest II. Deploy SNMP exporter 2.1 download SNMP ﹐ exporter Download the SNMP exporter installation package at: https://github.com/prometheus/snmp_exporter/release ...

1. View the service status of httpd: display the httpd unit, unable to find the service. [root@localhost ~]#systemctl status httpd Unit httpd.service could not be found. 2. Use yum to install httpd service. The following is the installation process: [root@localhost ~]#yum install httpd Loaded plugins: fastestmirror, langpacks Loading mirror sp ...

1. Install vsftpd. You can install it from yum or source; 2. Install mysql, skip, and view the previous documents; 3. Install PAM MySQL and rely on PAM devel package; [root@WebA-136 ~]#tar xf pam_mysql-0.7RC1.tar.gz[root@WebA-136 ~]#yum install pam-devel[root@WebA-136 ~]#./configure --with-mysql=/usr/local/mysql --with-openssl[root@WebA-136 ~] ...

domain name Although you can visit your website directly through ip address, we seldom see that the website is accessed through ip address, and generally the website will provide domain name. The domain name is intuitive and easy to remember, and the resolved ip address can be changed without changing the domain name accessed by the user. The d ...

Log in to liunx to get administrator permission sudo -i cd /home/maxiaolin Install jdk yum -y install java java -version Install mysql Check if mysql is installed rpm -qa | grep mysql >>mysql-libs-5.1.73-7.el6.x86_64 Uninstall mysql RPM - E -- nodes mysql-libs-5.1.73-7.el6.x86_ (the option you see) / / strong delete mode. If you use the a ...

Mysql installation Download and install Download and install MySQL's official Yum Repository wget -i -c http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm Yum installation source yum -y install mysql57-community-release-el7-10.noarch.rpm Install Mysql yum -y install mysql-community-server Set Mysql to power on systemct ...