1. Install JDK
You need to uninstall the system default OPENJDK first, and install the JDK1.8 64-bit version.
Uninstall open-jdk
rpm -qa|grep java
Check the installation of
Tag: two
DHCP failover using two auxiliary server ISC-DHCP-Server
I am rearranging our network and doing some DHCP failover, because we have many machines, even servers, using DHCP to obtain IP addresses.
Today we have a good DNS topology with a master serv
Reptile Frame SCRAPY (2)
One: Introduction to the core components of scrapy 1: Engine (scrapy): responsible for data processing of the entire system process, triggering things (core)
2: Scheduling Scheduler: Put the
C ++ classroom practice two
1. The type of data and the number of bytes it occupies
#include
#include
using namespace std;
int main(){
cout << "********** *****************************" << endl;
cout <<
[Python3 reptile] common anti-reptile measures and solutions (2)
This blog will continue to talk about common anti-crawler measures and our solutions. Similarly, if it helps you, please click a recommendation.
The anti-leech I encountered this time , In ad
Visual-Studio – Two files in Visual Studio
I saw a new comparison tool in VS 2012 for comparing two files or two versions of files. I like it. But when I try to find it I can’t because I Without TFS. Is there a way how to compare two files
Post two tablets quiet and whole room, micro technology launched indoor silent noise reduction equipment
36氪WeChat ID: wow36kr
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Put Whisper on the wall if you have nowhere to hide the noise
Nowhere is noise in life No, even in the
Two SurfaceView overlap effects Similar to video and handfitution practices in live broadcast
Effect Picture First of all, don’t talk nonsense, just go to a picture. Only when there is a picture can the truth come out, otherwise everyone will look at it for a long time. I realized that it w
Server two hard drives are enabled to enhance the online recovery
Off-line data recovery case of two hard drives in the disk array: One of the customer’s servers caused a red light on a hard drive for unknown reasons, but the server is still operating normally an
RAID5 (five disks, three pieces of RAID, two to back up)
1. Add five more disks to the virtual machine.
-C stands for creation operation, -v shows During the creation process, -a yes to check the RAID name, -n is the number of hard d