mongoDB officials no longer recommend using master-slave mode. Instead, the replica set mode is adopted. click For example,
So what is a replica set? World of Warcraft always talks about duplication, but in fact these two concepts have almost the same meaning. Duplicate in the game refers to players concentrating on a scene during rush hours ...
Posted by run2web on Sat, 11 May 2019 13:13:03 +0200
We need to implement communication methods for specific I2C adapters, mainly to implement functions () and master_xfer () of i2c_algorithm.
The functionality () function is very simple and is used to return the communication protocol supported by algorithm.
Define a method in linux
/* To determine what functionality is prese ...
1.linux centos 7 system2. The CD-ROM image file has been mounted3. The system can connect to the external network.4. Font links: https://pan.baidu.com/s/1m9WJys5aGuUi-WgBG-zrxw Extraction code: qq6r
1. Upload font files and zabbix scripts to the Linux system / root directory
Method 1: Mount Method 2: U ...
Posted by sicKo on Sat, 11 May 2019 10:00:42 +0200
Experiments show that:
To get started with Linux, you will generally encounter the following problems:
Where do I get the LInux image?
How to install Linux system through mirror file?
Install a physical machine or a virtual machine?
How to configure the network after installing the system?
How is the network configuration of virtual machines d ...
Posted by therainmaker53 on Sat, 11 May 2019 00:23:25 +0200
Spring provides profile features to isolate our configuration files so that the corresponding configuration items can be activated in different environments; it is easy to achieve uniform deployment of different configuration items in different environments;
Recently, in spring+dubbo's service project, we want to load differen ...
Posted by John Canyon on Fri, 10 May 2019 23:02:27 +0200
Use the migration tools provided in Ali and Tencent's help documents to test the migration objects for storing data.
1. Tencent to AliDocument Links: https://help.aliyun.com/document_detail/56990.html?spm=5176.7851628.6.1079.UqBdXKThe OssImport tool migrates data stored locally and in other clouds to OSS with the following features:
The rich ...
Posted by DWaller10 on Fri, 10 May 2019 21:58:41 +0200
1 Background posture
4 systemctl stop docker
1 Background posture
Driver, full name device driver, is a special program added to the operating system, which contains information about hardware devices. This information enables the computer to communicate with the corresponding equipment.
A w ...
Posted by shenmue232 on Fri, 10 May 2019 16:38:56 +0200
After installing the docker locally the other day and getting familiar with the commands, I still couldn't help but go through a wave of golang mirror deployments on centos. Here are my steps and some ideas.Prepare: A networked centos server with docker installed
1. Not to mention, write a Dockerfile (just want to experience the dockerfile proc ...
Posted by ThaboTheWuff on Fri, 10 May 2019 15:47:38 +0200