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I. NFS NFS(Network File System (Network File System) is a file system supported by FreeBSD, which allows computers in the network to share resources through TCP/IP network. In NFS applications, local NFS client applications can transparently read and write files on remote NFS servers, just like accessing local files. Composition: The ...

Abstract:        Hand-in-hand teaches you how to build a vsftpd server, which implements virtual user authentication based on db files and MySQL database files. Of course, this article also includes the problem checking in the process of building, haha.        In ad ...

Access Control of Nginx IP-based access control: http_access_module User-based Trust Logon: http_auth_basic_module I. http_access_module access module # Allow: Allow access to or all socket s on specified ip or ip segments or unix Syntax: allow address|CIDR|unix:|all Default value: none Context: http,server,location,limit_except # Prohibi ...

Related code env configuration file /.bash_profile: User executes each login /.bashrc: Executed every time you enter a new Bash environment /.bash_logout: executed every time the user logs out Seymail Mail Configuration yum install sendmail -y cat >>/etc/mail.rc<<EOF set from=xxx@tt.com set smtp=smtp.exmail.qq.com se ...

prometheus monitoring system Recently, due to the company's need to build a large data platform, prometheus monitoring system has been replaced as required by consultants. prometheus official website: https://prometheus.io/ Personal understanding (not necessarily right): prometheus monitoring consists of three parts: prometheus (server), ex ...

Reference articles CentOS Installation Git for Multi-Person Synchronized Development GIT Server Construction and Key Connection in centos Sketch 1. Installing Git Dependency and Git on Server 2. Create Git users and their groups 3. Initialization of Git Warehouse on Server 4. Install Git Client and Generate Public Key 5. Create cert ...

Contents of this article:1.1 Installation of Ansible1.2 Configure Ansible　　1.2.1 Environment Configuration　　1.2.2 SSH Mutual Trust Configuration　　1.2.3 Simple Test1.3 inventory Ansible is a batch, automatic deployment tool, which can not only batch, but also automatically. It mainly communicates based on ssh, and does not require the c ...

Configuring LVS services requires at least four nodes server20.com 172.25.23.20server21.com 172.25.23.21server22.com 172.25.23.22server24.com 172.25.23.24 iptables selinux on each node needs to be turned off and iptables startup is prohibited; Start by installing the httpd service on server22.com and server24.com. [roo ...

Address planning: kvm112: 192.168.5.112 kvm113: 192.168.5.113 nfs101: 192.168.5.101 The experimental steps are as follows: Deploying kvm environments on 112 and 113, Create a virtual machine vm1 locally at 112. Create a snapshot named first for vm1. Publish shared directories on 101. Create nfs-based storage pool on ...

1. rsync: remove sync (remote synchronization), data backup tools, can achieve local synchronization and remote synchronization, synchronization can be incremental synchronization, only synchronize different data, that is, only synchronize two different parts of the file, so the speed is very fast: Five command formats for rsync: Note: src rep ...