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memcached high availability cluster buildingWe need three servers: Main server 192.168.247.206 From server 192.168.247.160 Client 192.168.247.161master serverConfigure memcached primary and secondary cache nodes [root@lamp ~]# hostnamectl set-hostname master [root@lamp ~]# su [root@master ~]# [root@master ~]# mkdir /abc mkdir: cannot create ...

Note: I've built this several times recently. Take notes this time so that I don't forget. It won't be so troublesome next time 1, FastDFS introduction FastDFS open source address: https://github.com/happyfish100 Set up FastDFS cluster: https://blog.csdn.net/u012453843/article/details/68957209 Re ...

1. Installation dependency 1.1 install jdk # View the installable version of jdk yum -y list java* # Select the required version to install yum install -y java-1.8.0-openjdk-devel.x86_64 # View version information java -version # View installation location which java 1.2 install git # Install git ...

Article directory Preface: 1, Huawei firewall dual hot standby overview 1.1 hot standby concept of firewall 1.2 hot standby features of firewall 1.2.1 priority of vgmp 1.3 Huawei firewall dual machine hot standby mode 1.4 state transition and working process of vgmp 1.5 working principle of vgmp (in ...

mycat mainly provides a specific configuration of database segmentation. In this article, we will not do in-depth analysis, let the program run first! MYCAT official website: http://www.mycat.io/ ා don't be afraid of Chinese 1 > environment: CentOS operating system mysql5.6 Master database host: 192.168.0.1 Slave a host: 192.168.0 ...

Unattended installation system PXE(Preboot eXecute Environment) is a technology developed by Intel company. It can let the computer boot the operating system through the network (provided that the network card installed on the computer supports PXE Technology). It is mainly used to guide the client host to install the Linux ...

Download MySQL installation [root@localhost ~]# cd /home/data/ [root@localhost data]# ls get-docker.sh nginx-1.10.1 nginx-1.10.1.tar.gz redis-5.0.3 redis-5.0.3.tar.gz server-jre-8u131-linux-x64.tar.gz zookeeper-3.4.10.tar.gz [root@localhost data]# wget https://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm If prompted ...

Applicable environment MySQL 5.7 Ubuntu 16.04 (applicable but not limited to the above environment) 1, Enable MySQL remote access Changing the value of mysql.host field to% means that you can log in to MySQL server on any client machine mysql> use mysql; Database changed mysql> grant all privileges on *.* ...

1,Check kernel version, must be 3.10 And above uname -r 2,install docker yum install docker 3,input y Confirm installation 4,start-up docker [root@localhost ~]# systemctl start docker [root@localhost ~]# docker -v Docker version 1.12.6, build 3e8e77d/1.12.6 5,Boot up docker [root@localhost ~]# systemctl enable docker Create ...

Here are the three virtual machines installed before, as follows: 192.168.201.81 hadoop-1 192.168.201.82 hadoop-2 192.168.201.83 hadoop-3 preparation: Configure static IP vi /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=eth0 HWADDR=00:0C:29:AF:65:27 TYPE=Ethernet UUID=269569e1-f888-4f73-b2f7-7af45225b572 ONBOOT=yes NM_CONT ...