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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 ...

In the last section, we talked about how to install MySql service under CentOS 7.0. If you don't see the welcome page, you can add my personal tweet: LiTaO 514148204. Attach a section address: http://www.cnblogs.com/riverdubu/p/6426852.html On php-fpm nginx itself can not handle PHP, it is only a web server, when it receives a request, if it is ...

This article briefly sorted out the steps of how to install and configure SendMail to send mail on Linux server. This article is not configuring mail server. The specific test environment is CentOS Linux release 7.2.1511 (Core). If there are differences between special platforms, please take the actual situation as the criterion. Linux System ...

PXE Function: Guide Installation Kickstart function: Write the process of installing the system into ks.cfg file to realize unattended automatic installation TFTP: PXE Client downloads pxelinux.0 file (first downloaded), vmlinuz, initrd.img from server side DHCP: Get the IP address during PXE boot. DHCP is used twice, the first time when TF ...

Mysql 5.7.17 Upgrade Before that, mysql server has been installed and set up, just for normal use. Now the scanning software detects mysql vulnerabilities, so it needs to be upgraded. We can download the latest version of the database on mysql official website, so as to get the latest corrections and patches, avoid vulnerabilities on the serv ...

MHA (Master High Availability) is currently a relatively mature solution for MySQL high availability. It was developed by youshimaton (now working for Facebook) of DeNA Company in Japan. It is an excellent high availability software for failover and master-slave upgrading in MySQL high availability environment. In the process of MySQL fault swi ...

- xxong personal verification At present, flannel, weave, Pipework, Open vSwitch and so on are the main solutions in the market. Open vSwitch is relatively simple, mature and powerful, so it is very suitable as a tool to s ...

Linux users and OSX users must be familiar with the package manager. Through the package manager, you can install a package by one line of commands, and then the package manager will help you download the package from the source, while automatically resolving all dependencies (that is, downloading other packages on which to install the package ...

pidstat 1 information You can see if the process with pid 12186 is occupying CPU 0 and using CPU 0 at 100%, or if system consumes CPU 0 at 100%. Mpstat-P ALL 1 Information     Use the ps command to view the cpu consumption of threads in the process ps -mp 12186 -o THREAD,tid,time USER %CPU PRI SCNT WCHAN USER SYSTEM TID TIME actiont+ 176 ...

In this paper, we mainly configure NTP service for the scenario where the server can not connect with the outside world in the intranet. We need a machine to connect with the outside network, and other services to connect with the outside network service. NTP Server (Network Time Protocol (NTP) is a protocol used to synchronize computer time. I ...