cobbler automatic unattended installation

cobbler automatic unattended installation root@localhost ~]# yum install epel-release -y ##Install source package ##Install necessary components yum install -y \ cobbler \ ##Install cobbler\ cobbler-web \ ##Web form management dhcp \ ##Address assignment service tftp-server \ ##Put compression and boot files py ...

Posted on Sat, 16 Nov 2019 15:12:17 -0500 by e39m5

Example of GPT partition using parted partition tool in Linux

Using parted and gdisk tools to GPT partition the hard disk has the same final effect. If it is a solid-state drive, the partition of the hard disk will be 4K aligned by default using parted. Basic configuration example: Before configuration, use fdisk -l to make sure your linux system has an empty hard disk [root@localhost ~]# ...

Posted on Sat, 16 Nov 2019 12:35:09 -0500 by eneficus

CentOS7 installation configuration mysql5.7 tar installation free version

I. The system of CentOS7.4 comes with mariadb # View the Mariadb of the system [root@localhost~]# rpm -qa|grep mariadb mariadb-libs-5.5.44-2.el7.centos.x86_64 # Uninstalling Mariadb from the system [root@localhost ~]# rpm -e --nodeps mariadb-libs-5.5.44-2.el7.centos.x86_64 # Delete my.cnf in etc directory [root@localhost ~]# rm /etc/my.c ...

Posted on Fri, 15 Nov 2019 12:14:31 -0500 by nincha

nginx depth optimization - Hide version number, log split, cache processing

Main points: Hide version number Web Cache Log Split Hide version number Two configurations: Modify Profile Method Modify Source Code Method 1. Modify the Profile Law: [root@localhost init.d]# curl -I http://192.168.13.140/ ##View Nginx information HTTP/1.1 200 OK Server: nginx/1.12.2    ##Display version number Date: Tue, 12 Nov 2019 14: ...

Posted on Thu, 14 Nov 2019 16:21:01 -0500 by mapexdrum

Nginx Optimization--Web Page Compression

Configure Nginx for Web Page Compression Nginx's NGX http.gzip_ module compression module provides the ability to compress file content, allowing the Nginx server to compress output content before sending it to the client to save bandwidth of the site and improve the user's access experience, which is already installed by default.Compression p ...

Posted on Thu, 14 Nov 2019 13:07:57 -0500 by xentrix

Samba service configuration details (anonymous, identity, alias, access control, mount access)

Samba Service Configuration Details Samba is a free software that implements the SMB protocol on Linux and UNIX systems and consists of server and client programs.SMB(Server Messages Block) is a communication protocol for sharing files and printers on a local area network. It provides file and printer sharing services between different compu ...

Posted on Thu, 14 Nov 2019 02:25:28 -0500 by vent

cobbler batch installation

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 ...

Posted on Wed, 13 Nov 2019 15:04:04 -0500 by dross613

Primary primary replication, semi synchronous replication

MYSQL primary primary replication: mutual primary and secondary Easy problem: inconsistent data Host IP Master1 192.168.37.7 Master2 192.168.37.17 Master1 settings [root@Centos7 ~]#vim /etc/my.cnf [mysqld] log_bin server_id=7 auto_increment_offset=1 auto_increment_increment=2 Create a replication account MariaDB [(none)]> grant ...

Posted on Wed, 13 Nov 2019 11:45:41 -0500 by orange08

Nginx optimization log segmentation

Summary As the Nginx run time increases, so does the log. In order to grasp the running state of Nginx conveniently, it is necessary to pay attention to the log files with too large Nginx log files at all times, which are necessary to cut the log files regularly in case of a major disaster.Nginx itself does not have the function of log segment ...

Posted on Wed, 13 Nov 2019 09:55:55 -0500 by lewel

Remote Access Control in Centos 7.4

Bowen catalog1. SSH Remote Management2. Use SSH client program3. Construct SH system for key pair verification 1. SSH Remote Management SSH is a secure channel protocol, which mainly implements the functions of remote login and remote copy of character interface.The SSH protocol encrypts the data transmission of both sides of the communicati ...

Posted on Tue, 12 Nov 2019 16:00:33 -0500 by FRSH