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1. Document upload in traditional environment In traditional projects, you can add a folder to the web project to store the uploaded images. For example, create an image folder under the project's root directory, WebRoot. Storing pictures in this folder can be directly used in engineering reference. Advantages: Easy to cite, easy to manage Disa ...

Official documents https://assets.nagios.com/downloads/nagioscore/docs/nagioscore/4/en/quickstart-fedora.html Dependency software Before installing nagios, you need to install apache, php, gcc, gd-devel, which can be installed through yum. This article is based on the source code build LAMP architecture (build LAMP)- http://blog.csdn.net/di ...

Links to the original text: http://blog.csdn.net/xyang81/article/details/52837974 FastDFS, developed by Mr. Yu Qing of Taobao, is a lightweight, high-performance open source distributed file system, which is pure. C language Development, including file storage, file synchronization, file access (upload, download), access load balancing, on ...

Server AIX 7.1, address: 10.72.254.101 Client Redhat6 address: 10.72.254.198 Firstly, confirm that nfs service is running normally. (Services for nfs under Aix: portmap, nfsd, biod, rpc.lockd, rpc.statd, rpc.mountd) lssrc -s portmap # View portmap services lssrc -g nfs # View NFS services mknfs -N # Start nfs service star ...

No important system can ignore server security, especially in the public cloud. There are many online tips and tutorials on this subject. Here we only look at a few basic and common best practices. Several security measures to be implemented after system configuration is completed Take Ubuntu 16.04 as an example: 1. Update the kernel ...

The original article was published in cu: 2016-05-20 Be based on http://www.cnblogs.com/netonline/p/7406598.html(http://blog.chinaunix.net/uid-26168435-id-5730201.html Write a simple script to simplify the deployment of zabbix_agnetd.Notes for script operation:1. script and zabbix-3.0.1.tar.gz run in the same directory;2. Because the name of th ...

iptables rule backup and recovery 9 zone s of firewalld   System CTL disable iptables boot on System CTL stop iptables turn off service System CTL enable firewalld boot System CTL start firewalld opens the service View all zone s [root@glinux-01 ~]# firewall-cmd --get-zones block dmz drop external home internal public trusted work ...

1. Download Compressed Files on mysql Official Website https://dev.mysql.com/downloads/mysql/5.7.html#downloads 2. Copy the downloaded files to the / opt directory of centos system III. Start installation 1. Decompress mysql-5.7.22-linux-glibc2.12-x86_64.tar.gz [root@centosDemo opt]# tar -zxvf mysql-5.7.22-linux-glibc ...

I. Installation and testing [root@VM_0_10_centos ~]# yum install subversion View svn version [root@VM_0_10_centos ~]# svnserve --version svnserve, version 1.7.14 (r1542130) compiled Apr 11 2018, 02:40:28 Copyright (C) 2013 The Apache Software Foundation. This software consists of contributions made by many people; see th ...

DR mode cluster. In fact, it should be the IP of the Internet. Here we simulate the phenomenon. Packet back directly from the web to the client. Problems that may arise 1. Cluster addresses (web backpack IP is different from client requests) require vip to be established. 2. Router ARP request (need to turn off web1, web2 par ...