1, create a bond0 file
# vi /etc/sysconfig/network-scripts/ifcfg-bond0
DEVICE=bond0
NM_CONTROLLED=no #Whether your network card is managed by networkmanager, details later Speakin
1, create a bond0 file
# vi /etc/sysconfig/network-scripts/ifcfg-bond0
DEVICE=bond0
NM_CONTROLLED=no #Whether your network card is managed by networkmanager, details later Speakin
Thumbnails is Google’s open source image processing tool
1. Introduce Thumbnails into the maven project
Concept understanding:
Automatic assembly: Spring uses dependency injection (DI) to complete the assignment of dependencies on each component in the IOC container;
You can use the @Auto
Options of the yum command: yum check-update: List all software that can be updated. yum update: update all software. yum install: Only install the specified software. yum update : Only update
1. System requirement ZooKeeper can run on a variety of system platforms, as shown in Table 1 The system platform supported by zk and whether the development environment or production environment i
1. Zookeeper architecture The zookeeper server runs in two modes: standalone mode and quorum mode. Independent mode: There is a single server, and the zookeeper status cannot be replicated. Arbitra
Dynamic generation of classes and spring bean management when the java reflection mechanism is running provides great flexibility to the code. It is simple to do whatever you want. It is not recomm
Original text: Using Zookeeper to realize distributed lock and service registration center
For the definition and principle of Zookeeper, there are already many excellent articles on the Inte
1. Download the JDK from http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html.
Test file: jdk-8u191-linux-x64.tar.gz
2. Upload the file to the CentOS host
I am developing a mechanism for exchanging data between two or more processes using shared memory on Linux. The problem is that a certain degree of concurrency control is required to maintain share