Modify the port SCAN listens on
Modify the port SCAN listens on to 3521, and the port local listens on remains the same, at 1521:
[root@web1 ~]# srvctl modify scan_listener -p 3521
View the listening status after modification:
[grid@web2 ~]$ lsnrctl status LISTENER_SCAN1
LSNRCTL for Linux: Version 18.104.22.168.0 - Production on 06-May-2 ...
Added by shinstar on Sat, 25 May 2019 22:58:12 +0300
The original article was published in cu: 2016-08-25
Nginx reverse proxy, load balancing, page caching, URL rewriting, etc. http://freeloda.blog.51cto.com/2033581/1288553
Nginx reverse proxy/load balancing simple configuration: http://www.cnblogs.com/jacktang/p/3669115.html
Nginx reverse proxy, back-end web how to get re ...
Added by franklyn on Fri, 24 May 2019 01:57:43 +0300
** 1. Overview**
In practical software development projects, it is unavoidable that problems arise in the program. I still remember the first time I met the procedure after I joined the work. Previous experience tells me that the more panicked we are, the more unsolvable the problem will be. We need to calm ourselves down before we find solutio ...
Added by webtech123 on Thu, 23 May 2019 01:57:35 +0300
(1) Introduction1. Introduction to JMXThe full name of JMX is Java Management Extensions (Java Management Extensions), which is a framework for implanting management functions for applications, devices, systems, etc. JMX can flexibly develop seamlessly integrated systems, networks and service management across a range of heterogeneous operatin ...
I. Several schemes for master-slave replication of MySQL
Database read-write separation is an indispensable and important function for large-scale systems or high-volume Internet applications. From the database point of view, for most applications, from centralization to distribution, the most basic requirement is not the bottleneck of data s ...
Added by cap2cap10 on Tue, 21 May 2019 03:18:58 +0300
Chapter 2 of Python Foundation
Basic Data Type - Number
Basic Data Type - String
Basic Data Type - List
Basic data type - tuples
Variable, immutable data types and hash
Basic Data Type - Dictionary
Basic Data Type - Set
Binary system is a kind of system used in computing technology. The binary ...
Added by Cornelia on Mon, 20 May 2019 04:30:59 +0300
Preparations for Cluster Construction
Create redis-cluster directory under / usr/local
Previously, if you installed a stand-alone version, you could copy the installed directory. Installation reference for stand-alone version
Copy the redis directory as a whole into redis-cluster and ...
Added by lookielookies on Mon, 20 May 2019 03:45:24 +0300
ZooKeeper has three installation modes: standalone, pseudo-cluster, and cluster:
standalone mode: Install ZooKeeper on only one machine and start only one ZooKeeper instance.
Pseudo Cluster: Open multiple ZooKeeper instances on one machine to simulate a cluster.This is achieved by loading different profiles and assigning different data direct ...
Added by konqest on Mon, 20 May 2019 02:51:17 +0300
This article describes how to use Rundeck Cli in Rundeck and how to operate Rundeck Cli with specific examples.
Rundeck's Cli profile information is shown in the following table:
Source code management address
Added by sun14php on Sun, 19 May 2019 17:14:11 +0300
Let's start with what file systems are and what tools are needed.
Nowadays, there are many kinds of storage and complex stacks. But the user's direct interface is still file system . For Linux and the open source community, a lot of software is also dependent. file system . MySQL and PostgreSQL databases, for example, c ...
Added by mortona on Sun, 19 May 2019 08:56:28 +0300