GreenPlum installation details (CENTOS 6.x)

GreenPlum cluster setup and installation steps Additional reference: https://gp-docs-cn.github.io/docs/best_practices/sysconfig.html, https://blog.csdn.net/king13127/article/details/83989704 1, Installation instructions 1.1 environmental description Operating system: CentOS 6.x 64bit Greenplum:Greenplum ...

Posted on Fri, 28 Feb 2020 01:53:24 -0500 by imi_99

Apache Service Deployment--Learn Notes

This experiment environment is redhat7.0 system, all experiments are from "linux should learn like this"The apache program is one of the web service programs currently with a high market share. It is recognized for its cross-platform and security, and has fast, reliable and simple API extensions. Its name is taken from Native America ...

Posted on Thu, 20 Feb 2020 15:17:54 -0500 by ant peacocke

Linux SSH port security settings (server setup)

I installed cent os7 on my old DELL computer as a normal development server. In the home LAN, we still need to pay attention to the security. Like the online server, if we modify the common port, we can greatly reduce the risk of malicious violent solution. After all, after the port is no longer a common port, the general viole ...

Posted on Sat, 15 Feb 2020 14:36:45 -0500 by mega77

zabbix add monitoring host configure agent active mode

Because a note has been used to record the deployment process of the tool that you used at ordinary times, this time, some content will be slightly modified from the note and moved here. Please point out if there is any problem! Thank you! I. Preface Please refer to my previous article for ZABBIX se ...

Posted on Wed, 15 Jan 2020 01:55:34 -0500 by mdl

How CentOS 7 limits resources at the user level

We already know that sytemd is recommended for resource limitation on centos7. This paper mainly introduces how to use systemd to restrict user level resources. Take orange users for example. Scheme I is temporarily effective The configuration is as follows: # systemctl set-property user-1000.slice MemoryLimit=200M # s ...

Posted on Sat, 04 Jan 2020 20:00:32 -0500 by renob

Configuring nginx PHP FPM load balancing in centos7 system

  Three Centos7 servers Main: 192.168.199.174 From: 192.168.199.170 From: 192.168.199.191 All new minimized installations, all firewalls and SELINUX First step Install on the primary server first Nginx , you can directly open the service access to see if there is any problem before changing the configuration, and then use ...

Posted on Fri, 03 Jan 2020 22:38:04 -0500 by Alexhoward

Centos 7.2 source installation lnmp

1. Download the software to be installed Download the software to be installed -- nginx,mysql,php,pcre, etc 2. Turn off the firewall and selinux 1 Open file selinux vim /etc/sysconfig/selinux 2 Change SELINUX=enforcing to disabled in the file, and then execute "setenforce 0" to shut down selinux without re ...

Posted on Tue, 31 Dec 2019 23:39:11 -0500 by strangebeer

Build rsync service

First, the environment |Server description ip address application system| Server description ip address application system Source server 192.168.100.100 rsync inotify tools script red hat7 Target server 192.168.100.129 rsync centos7 1. Deploy rsync+inotify synchronization / dxk directory to the target server / tmp/dxk ...

Posted on Mon, 30 Dec 2019 10:41:10 -0500 by MikeA

Deploy rsync+inotify service

Deploy rsync+inotify rsync introduction rsync is a data image backup tool in linux system. Remote Sync, a fast incremental backup tool, can be used to synchronize remotely, support local replication, or synchronize with other ssh and rsync. Introduction to inotify Inotify is a powerful, fine-grained, asynchronous file system ...

Posted on Mon, 30 Dec 2019 09:44:15 -0500 by dsoukup

Linux Production Optimization Practice Notes

1. Linux partition requirements. (1) At least have root / partition; (2) The function of swap partition: virtual memory, 1.5 times of memory; (3)/boot 100M. 2. Add a normal user account. [root@lvtong data]# useradd studyboy [root@lvtong data]# passwd sutudyboy Changing password for user studyboy. New password: BAD PASSWORD: it i ...

Posted on Thu, 26 Dec 2019 12:33:49 -0500 by chrys