1. Introduction to Memcached:
(1) Introduction:Memcached is a high-performance distributed memory object caching system for dynamic Web applications to reduce database load.It improves the speed of dynamic, database-driven Web sites by caching data and objects in memory to reduce the number of times the database is read.Memcached is based on a ...
Posted on Sun, 15 Dec 2019 19:11:01 -0800 by javauser
Oracle 12c version 2 installation steps
Experimental environment: Centos 7
Experiment preparation: one virtual machine, hard disk * 2
I. preliminary preparation
Partition a new hard disk and format it
[root@localhost ~]# fdisk /dev/sdb
. . . . . .
[root@localhost ~]# mkfs.xfs /dev/sdb1
[root@localhost ~]# mkdir /orc ...
Posted on Sat, 14 Dec 2019 11:09:25 -0800 by fiona
Platform TopologySoftware version:
1. Preparation of the underlying environment
Configure the underlying environment of the elasticsearch cluster, turn off its firewall, selinux, configure hostname, and so on
systemctl stop firewalld
systemctl disable firewalld
vim /etc/ ...
Posted on Fri, 13 Dec 2019 20:13:59 -0800 by hoopplaya4
LVS Load Balancing Cluster
CentOS 7-1: Scheduler, gateway (requires two network cards): 22.214.171.124 In: 192.168.200.1
CentOS 7-2: Apache 192.168.200.110
CentOS 7-3: Apache 192.168.200.120
CentOS 7-4: Provide shared storage 192.168.200.130
win7-1: Client 126.96.36.199
yum Online Installation Pre-operation:
1. Shared storag ...
Posted on Fri, 13 Dec 2019 12:06:46 -0800 by dustbuster
Cache agent overview
Working mechanism of web agent:
Cache web page objects and reduce repeated requests
Basic types of agents
Traditional agent: applicable to the Internet, the server should be specified clearly
Transparent proxy: the client does not need to specify the address and port of the proxy server. The firewall redirects the web to ...
Posted on Wed, 11 Dec 2019 07:17:06 -0800 by mdowling
Posted on Wed, 11 Dec 2019 00:25:59 -0800 by nealios
Enter the cd /var/run directory to see if there is a pid file beginning with redis. If not, execute. / redis server. / redis.conf under the redis installation directory to manually start the redis service and generate a pid file
Execute vim /etc/init.d/redis
Then copy in the following code and change the path to your own redi ...
Posted on Tue, 10 Dec 2019 16:15:29 -0800 by Shaba1
Due to the requirements of the project, the new files in the specified folder need to be uploaded to HDFS in real time. In this paper, flume is used to collect data and save it to HDFS. On the one hand, it can reduce the local storage pressure, and on the other hand, it can also lay a foundation for the subsequent d ...
Posted on Sun, 08 Dec 2019 17:43:16 -0800 by blakey
I. compile and install mysql
Install dependency packages and tools
# yum install -y gcc gcc-c++ ncurses-devel perl
# yum install -y cmake
Download mysql installation package
# wget http://mirrors.sohu.com/mysql/MySQL-5.5/mysql-5.5.62.tar.gz
Preparation before installation
# groupadd mysql
# useradd -g mysql mysql
# mkdir -p /data/mysql
Posted on Sun, 08 Dec 2019 05:38:06 -0800 by Obadiah
Refer to the blog post about installing the helm tool: Installation Configuration Helm Tool for k8s
This post is just a simple note.Sorry for the poor sorting out.
1. Four installation methods supported by helm
Install the chart package in the repository, for example, helm install stable/xxx;
Install through the tar package, with examples of ...
Posted on Sat, 07 Dec 2019 03:09:55 -0800 by jaygattis