Galera 10.0.20 on CentOS 6.6 0.使用场景 数据库软件:mariadb-galera-10.0.20-linux-x86_64.tar.gz 集群管理:galera-3-25.3.10 节点同步方式(xtrabackup,rsync):percona-xtrabackup-2.2.8-5059.el6.x86_64.rpm 节点同步使用sockt:socat-2.0.0-b7.tar.gz 安装galera是为了获得libgalera_smm.so: 安装xtraba…

1. 进入MariaDB官网下载MariaDB需要的RPM包 2. 使用下载软件下载所需要的RPM包, 总共4个, 并上传到CentOS主机指定目录. MariaDB-10.0.20-centos6-x86_64-server.rpm MariaDB-10.0.20-centos6-x86_64-client.rpm MariaDB-10.0.20-centos6-x86_64-common.rpm MariaDB-10.0.20-centos6-x86_64-compat.rpm 3. 安装M…

查询前5条数据 光标停在某一个查询结果框中,左下角会显示该字段的类型 查询类型是text的字段使用单引号,使用双引号查询会报错…

这是 meelo 原创的 IEEEXtreme极限编程大赛题解 Xtreme 10.0 - Counting Molecules 题目来源 第10届IEEE极限编程大赛 https://www.hackerrank.com/contests/ieeextreme-challenges/challenges/counting-molecules Your task is to count the number of molecules in a cup of soda which contains…

环境: 系统硬件:vmware vsphere (CPU:2*4核,内存2G,双网卡) 系统版本:CentOS-7-x86_64-Minimal-1611.iso 安装步骤: 1.准备 1.0 查看硬件信息 查看物理cpu个数[root@centos ~]# grep 'physical id' /proc/cpuinfo | sort -u | wc -l 查看核心数量[root@centos ~]# grep 'core id' /proc/cpuinfo | sort -u | wc -l…

环境: 系统硬件:vmware vsphere (CPU:2*4核,内存2G,双网卡) 系统版本:CentOS-7.0-1406-x86_64-DVD.iso 安装步骤: 1.准备 1.1 显示系统版本[root@centos ~]# cat /etc/redhat-releaseCentOS Linux release 7.0.1406 (Core) [root@centos ~]# uname -aLinux tCentos7 3.10.0-123.13.2.el7.x86_64 #1 SM…

Ceph Hammer版(0.94.10)手动部署for CentOS 7.x --lin.wang 20190310 环境有三个节点node-1,node-2,node-3,每个节点三个ssd盘作为osd 1.添加yum源ceph.base.epel 2.所有节点添加互信如:root用户,及hosts(/etc/hosts)列表 3./etc/ssh/ssh_config中: # StrictHostKeyChecking ask 注释去掉值改成no 4.关闭firewalld.selinux…

Install SVN (Subversion) Server on Fedora 20/19, CentOS/Red Hat (RHEL) 6.5/5.10 Updated by JR on Mar 7, 2014 in CentOS, Featured, Fedora, Linux, Most Popular, Programming, Programs, Red Hat (RHEL), Servers,Version Control | 280 comments Do you like t…

环境: 系统硬件:vmware vsphere (CPU:2*4核,内存2G,双网卡) 系统版本:CentOS-7.0-1406-x86_64-DVD.iso 安装步骤: 1.准备 1.1 显示系统版本[root@centos ~]# cat /etc/redhat-releaseCentOS Linux release 7.0.1406 (Core) [root@centos ~]# uname -aLinux tCentos7 3.10.0-123.9.3.el7.x86_64 #1 SMP…

CentOS 7.3 CDH 5.10.0安装记录 0. 集群规划192.167.1.247 realtime247 realtime+hadoopdata192.167.1.248 broker248 broker192.167.1.249 history249 middleware+history+hadoopdata192.167.1.250 history250 middleware+history+hadoopdata192.167.1.251 master251 Mysql+coor…