Linux实践

内容mysqlhadoop单机模式hadoop集群模式zookeeper单机模式zookeeper集群模式hive客户端三天服务搭建【暂定】一、准备工作创建Download[rootcentos001 ~]# [rootcentos001 ~]# cd /opt/ [rootcentos001 opt]# mkdir download mkdir: 无法创建目录download: 文件已存在 [rootcentos001 opt]# ls download更换源[rootcentos001 download]# vi /etc/yum.repos.d/CentOS-Base.repo# CentOS-Base.repo # # The mirror system uses the connecting IP address of the client and the # update status of each mirror to pick mirrors that are updated to and # geographically close to the client. You should use this for CentOS updates # unless you are manually picking other mirrors. # # If the mirrorlist does not work for you, as a fall back you can try the # remarked out baseurl line instead. # # [base] nameCentOS-$releasever - Base - repo.huaweicloud.com baseurlhttps://repo.huaweicloud.com/centos/$releasever/os/$basearch/ #mirrorlisthttps://mirrorlist.centos.org/? release$releaseverarch$basearchrepoos gpgcheck1 gpgkeyhttps://repo.huaweicloud.com/centos/RPM-GPG-KEY-CentOS-7 #released updates [updates] nameCentOS-$releasever - Updates - repo.huaweicloud.com baseurlhttps://repo.huaweicloud.com/centos/$releasever/updates/$basearch/ #mirrorlisthttps://mirrorlist.centos.org/? release$releaseverarch$basearchrepoupdates gpgcheck1 安装lrzsz gpgkeyhttps://repo.huaweicloud.com/centos/RPM-GPG-KEY-CentOS-7 #additional packages that may be useful [extras] nameCentOS-$releasever - Extras - repo.huaweicloud.com baseurlhttps://repo.huaweicloud.com/centos/$releasever/extras/$basearch/ #mirrorlisthttps://mirrorlist.centos.org/? release$releaseverarch$basearchrepoextras gpgcheck1 gpgkeyhttps://repo.huaweicloud.com/centos/RPM-GPG-KEY-CentOS-7 #additional packages that extend functionality of existing packages [centosplus] nameCentOS-$releasever - Plus - repo.huaweicloud.com baseurlhttps://repo.huaweicloud.com/centos/$releasever/centosplus/$basearch/ #mirrorlisthttps://mirrorlist.centos.org/? release$releaseverarch$basearchrepocentosplus gpgcheck1 enabled0 gpgkeyhttps://repo.huaweicloud.com/centos/RPM-GPG-KEY-CentOS-7安装lrzsz[rootcentos001 download]# yum install lrzsz -y 已加载插件fastestmirror base | 3.6 kB 00:00:00 extras | 2.9 kB 00:00:00 updates | 2.9 kB 00:00:00 (1/4): base/7/x86_64/group_gz | 153 kB 00:00:00 (2/4): extras/7/x86_64/primary_db | 253 kB 00:00:00 (3/4): base/7/x86_64/primary_db | 6.1 MB 00:00:03 (4/4): updates/7/x86_64/primary_db | 27 MB 00:00:07 Determining fastest mirrors 正在解决依赖关系 -- 正在检查事务 --- 软件包 lrzsz.x86_64.0.0.12.20-36.el7 将被 安装 -- 解决依赖关系完成 依赖关系解决 Package 架构 版本 源 大小 正在安装: lrzsz x86_64 0.12.20-36.el7 base 78 k 事务概要 安装 1 软件包 总下载量78 k 安装大小181 k Downloading packages: 警告/var/cache/yum/x86_64/7/base/packages/lrzsz-0.12.20-36.el7.x86_64.rpm: 头V3 RSA/SHA256 Signature, 密钥 ID f4a80eb5: NOKEY lrzsz-0.12.20-36.el7.x86_64.rpm 的公钥尚未安装 lrzsz-0.12.20-36.el7.x86_64.rpm | 78 kB 00:00:00 从 https://repo.huaweicloud.com/centos/RPM-GPG-KEY-CentOS-7 检索密钥 导入 GPG key 0xF4A80EB5: 用户ID : CentOS-7 Key (CentOS 7 Official Signing Key) securitycentos.org 指纹 : 6341 ab27 53d7 8a78 a7c2 7bb1 24c6 a8a7 f4a8 0eb5 来自 : https://repo.huaweicloud.com/centos/RPM-GPG-KEY-CentOS-7 Running transaction check Running transaction test Transaction test succeeded Running transaction 正在安装 : lrzsz-0.12.20-36.el7.x86_64 1/1 验证中 : lrzsz-0.12.20-36.el7.x86_64 1/1 已安装: lrzsz.x86_64 0:0.12.20-36.el7 完毕上传jdk到Linux[rootcentos001 download]# rz [root[rootcentos001 download]# rz -E rz waiting to receive. [rootcentos001 download]# ll 总用量 185368 -rw-r--r--. 1 root root 189815615 3月 20 16:06 jdk-8u162-linux-x64.tar.gz [rootcentos001 download]# tar -zxf jdk-8u162-linux-x64.tar.gz ll^H^H[rootcentos001 download]# ll 总用量 185372 drwxr-xr-x. 8 10 143 4096 12月 20 2017 jdk1.8.0_162 -rw-r--r--. 1 root root 189815615 3月 20 16:06 jdk-8u162-linux-x64.tar.gz [rootcentos001 download]# mv jdk1.8.0_162/ java [rootcentos001 download]# ll 总用量 185372 drwxr-xr-x. 8 10 143 4096 12月 20 2017 java -rw-r--r--. 1 root root 189815615 3月 20 16:06 jdk-8u162-linux-x64.tar.gz [rootcentos001 download]#配置Java的环境变量[rootcentos001 download]# ll 总用量 185372 drwxr-xr-x. 8 10 143 4096 12月 20 2017 java -rw-r--r--. 1 root root 189815615 3月 20 16:06 jdk-8u162-linux-x64.tar.gz [rootcentos001 download]# mv java /usr/local/ [rootcentos001 download]# cd /usr/local/java/ [rootcentos001 java]# pwd /usr/local/java [rootcentos001 java]# ll 总用量 25932 drwxr-xr-x. 2 10 143 4096 12月 20 2017 bin -r--r--r--. 1 10 143 3244 12月 20 2017 COPYRIGHT drwxr-xr-x. 4 10 143 4096 12月 20 2017 db drwxr-xr-x. 3 10 143 4096 12月 20 2017 include -rw-r--r--. 1 10 143 5203041 12月 20 2017 javafx-src.zip drwxr-xr-x. 5 10 143 4096 12月 20 2017 jre drwxr-xr-x. 5 10 143 4096 12月 20 2017 lib -r--r--r--. 1 10 143 40 12月 20 2017 LICENSE drwxr-xr-x. 4 10 143 44 12月 20 2017 man -r--r--r--. 1 10 143 159 12月 20 2017 README.html -rw-r--r--. 1 10 143 424 12月 20 2017 release -rw-r--r--. 1 10 143 21096465 12月 20 2017 src.zip -rw-r--r--. 1 10 143 63933 12月 20 2017 THIRDPARTYLICENSEREADME-JAVAFX.txt -r--r--r--. 1 10 143 145180 12月 20 2017 THIRDPARTYLICENSEREADME.txt[rootc001 java]# vim /etc/profile #jdk环境变量 79 export JAVA_HOME/usr/local/java 80 export PATH$PATH:$JAVA_HOME/bin 81刷新环境变量[rootcentos001 java]# source /etc/profile [rootcentos001 java]# java -version java version 1.8.0_162 Java(TM) SE Runtime Environment (build 1.8.0_162-b12) Java HotSpot(TM) 64-Bit Server VM (build 25.162-b12, mixed mode) [rootcentos001 java]#一、安装MySQL1.1 预安装的依赖安装GCCyum install gcc -y 安装PERLyum install perl -y 安装AUTOCONFyum install autoconf -y 安装LIBAIOyum install libaio -y1.2 安装MySQL1、配置ip映射修改主机名/etc/hostname修改ip映射/etc/hosts127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 192.168.100.101 c001[rootcentos001 ~]# ping c001 PING c001 (192.168.100.101) 56(84) bytes of data. 64 bytes from c001 (192.168.100.101): icmp_seq1 ttl64 time0.189 ms 64 bytes from c001 (192.168.100.101): icmp_seq2 ttl64 time0.120 ms 64 bytes from c001 (192.168.100.101): icmp_seq3 ttl64 time0.124 ms 64 bytes from c001 (192.168.100.101): icmp_seq4 ttl64 time0.142 ms 64 bytes from c001 (192.168.100.101): icmp_seq5 ttl64 time0.146 ms 64 bytes from c001 (192.168.100.101): icmp_seq6 ttl64 time0.125 ms 64 bytes from c001 (192.168.100.101): icmp_seq7 ttl64 time0.125 ms2、上传mysql到服务器[rootcentos001 ~]# rz [rootcentos001 ~]# rz -E rz waiting to receive. [rootcentos001 ~]# tar -zxf mysql-5.6.35-linux-glibc2.5-x86_64.tar.gz [rootcentos001 ~]# ll 总用量 307220 -rw-------. 1 root root 1065 3月 20 21:44 anaconda-ks.cfg drwxr-xr-x. 13 root root 4096 3月 21 00:49 mysql-5.6.35-linux-glibc2.5-x86_64 -rw-r--r--. 1 root root 314581668 3月 20 15:50 mysql-5.6.35-linux-glibc2.5-x86_64.tar.gz [rootcentos001 ~]# mv mysql-5.6.35-linux-glibc2.5-x86_64 mysql [rootcentos001 ~]# ll 总用量 307220 -rw-------. 1 root root 1065 3月 20 21:44 anaconda-ks.cfg drwxr-xr-x. 13 root root 4096 3月 21 00:49 mysql -rw-r--r--. 1 root root 314581668 3月 20 15:50 mysql-5.6.35-linux-glibc2.5-x86_64.tar.gz [rootcentos001 ~]#3、移动到/usr/local目录下[rootcentos001 ~]# mv mysql /usr/local/ [rootcentos001 ~]# cd /usr/local/mysql/ [rootcentos001 mysql]# ll 总用量 52 drwxr-xr-x. 2 root root 4096 3月 21 00:49 bin -rw-r--r--. 1 7161 31415 17987 11月 28 2016 COPYING drwxr-xr-x. 3 root root 17 3月 21 00:48 data drwxr-xr-x. 2 root root 52 3月 21 00:49 docs drwxr-xr-x. 3 root root 4096 3月 21 00:49 include drwxr-xr-x. 3 root root 4096 3月 21 00:48 lib drwxr-xr-x. 4 root root 28 3月 21 00:49 man drwxr-xr-x. 10 root root 4096 3月 21 00:49 mysql-test -rw-r--r--. 1 7161 31415 2496 11月 28 2016 README drwxr-xr-x. 2 root root 29 3月 21 00:48 scripts drwxr-xr-x. 28 root root 4096 3月 21 00:48 share drwxr-xr-x. 4 root root 4096 3月 21 00:49 sql-bench drwxr-xr-x. 2 root root 4096 3月 21 00:48 support-files [rootcentos001 mysql]#4、配置环境变量[rootcentos001 mysql]# vi /etc/profile #mysql环境变量 export MYSQL_HOME/usr/local/mysql export PATH$PATH:$MYSQL_HOME/bin记得刷新~[rootc001 mysql]# source /etc/profile [rootc001 mysql]# clear [rootc001 mysql]# mysql ERROR 2002 (HY000): Cant connect to local MySQL server through socket /tmp/mysql.sock (2)5、创建mysql专属用户和用户组切记不要设置密码~[rootcentos001 mysql]# groupadd mysql [rootcentos001 mysql]# useradd -g mysql mysql [rootcentos001 mysql]#6、创建数据目录/usr/local/mysql/data/mysql[rootcentos001 mysql]# pwd /usr/local/mysql [rootcentos001 mysql]# ll 总用量 52 drwxr-xr-x. 2 root root 4096 3月 21 00:49 bin -rw-r--r--. 1 7161 31415 17987 11月 28 2016 COPYING drwxr-xr-x. 3 root root 17 3月 21 00:48 data drwxr-xr-x. 2 root root 52 3月 21 00:49 docs drwxr-xr-x. 3 root root 4096 3月 21 00:49 include drwxr-xr-x. 3 root root 4096 3月 21 00:48 lib drwxr-xr-x. 4 root root 28 3月 21 00:49 man drwxr-xr-x. 10 root root 4096 3月 21 00:49 mysql-test -rw-r--r--. 1 7161 31415 2496 11月 28 2016 README drwxr-xr-x. 2 root root 29 3月 21 00:48 scripts drwxr-xr-x. 28 root root 4096 3月 21 00:48 share drwxr-xr-x. 4 root root 4096 3月 21 00:49 sql-bench drwxr-xr-x. 2 root root 4096 3月 21 00:48 support-files [rootcentos001 mysql]# ll data/ 总用量 0 drwxr-xr-x. 2 root root 19 3月 21 00:48 test [rootcentos001 mysql]# mkdir data/mysql [rootcentos001 mysql]# ll data/ 总用量 0 drwxr-xr-x. 2 root root 6 3月 21 00:56 mysql drwxr-xr-x. 2 root root 19 3月 21 00:48 test [rootcentos001 mysql]#7、更改用户和用户组[rootcentos001 mysql]# pwd /usr/local/mysql [rootcentos001 mysql]# ll 总用量 52 drwxr-xr-x. 2 root root 4096 3月 21 00:49 bin -rw-r--r--. 1 7161 31415 17987 11月 28 2016 COPYING drwxr-xr-x. 3 root root 17 3月 21 00:48 data drwxr-xr-x. 2 root root 52 3月 21 00:49 docs drwxr-xr-x. 3 root root 4096 3月 21 00:49 include drwxr-xr-x. 3 root root 4096 3月 21 00:48 lib drwxr-xr-x. 4 root root 28 3月 21 00:49 man drwxr-xr-x. 10 root root 4096 3月 21 00:49 mysql-test -rw-r--r--. 1 7161 31415 2496 11月 28 2016 README drwxr-xr-x. 2 root root 29 3月 21 00:48 scripts drwxr-xr-x. 28 root root 4096 3月 21 00:48 share drwxr-xr-x. 4 root root 4096 3月 21 00:49 sql-bench drwxr-xr-x. 2 root root 4096 3月 21 00:48 support-files [rootcentos001 mysql]# ll data/ 总用量 0 drwxr-xr-x. 2 root root 19 3月 21 00:48 test [rootcentos001 mysql]# mkdir data/mysql [rootcentos001 mysql]# ll data/ 总用量 0 drwxr-xr-x. 2 root root 6 3月 21 00:56 mysql drwxr-xr-x. 2 root root 19 3月 21 00:48 test [rootcentos001 mysql]# [rootcentos001 mysql]# pwd /usr/local/mysql [rootcentos001 mysql]# chown -R mysql:mysql ./ [rootcentos001 mysql]# ll 总用量 52 drwxr-xr-x. 2 mysql mysql 4096 3月 21 00:49 bin -rw-r--r--. 1 mysql mysql 17987 11月 28 2016 COPYING drwxr-xr-x. 4 mysql mysql 29 3月 21 00:56 data drwxr-xr-x. 2 mysql mysql 52 3月 21 00:49 docs drwxr-xr-x. 3 mysql mysql 4096 3月 21 00:49 include drwxr-xr-x. 3 mysql mysql 4096 3月 21 00:48 lib drwxr-xr-x. 4 mysql mysql 28 3月 21 00:49 man drwxr-xr-x. 10 mysql mysql 4096 3月 21 00:49 mysql-test -rw-r--r--. 1 mysql mysql 2496 11月 28 2016 README drwxr-xr-x. 2 mysql mysql 29 3月 21 00:48 scripts drwxr-xr-x. 28 mysql mysql 4096 3月 21 00:48 share drwxr-xr-x. 4 mysql mysql 4096 3月 21 00:49 sql-bench drwxr-xr-x. 2 mysql mysql 4096 3月 21 00:48 support-files [rootcentos001 mysql]# ll .. 总用量 8 drwxr-xr-x. 2 root root 6 6月 10 2014 bin drwxr-xr-x. 2 root root 6 6月 10 2014 etc drwxr-xr-x. 2 root root 6 6月 10 2014 games drwxr-xr-x. 2 root root 6 6月 10 2014 include drwxr-xr-x. 8 10 143 4096 12月 20 2017 java drwxr-xr-x. 2 root root 6 6月 10 2014 lib drwxr-xr-x. 2 root root 6 6月 10 2014 lib64 drwxr-xr-x. 2 root root 6 6月 10 2014 libexec drwxr-xr-x. 13 mysql mysql 4096 3月 21 00:49 mysql drwxr-xr-x. 2 root root 6 6月 10 2014 sbin drwxr-xr-x. 5 root root 46 3月 20 21:43 share drwxr-xr-x. 2 root root 6 6月 10 2014 src [rootcentos001 mysql]#8、执行安装程序[rootcentos001 mysql]# pwd /usr/local/mysql [rootcentos001 mysql]# ll 总用量 52 drwxr-xr-x. 2 mysql mysql 4096 3月 21 00:49 bin -rw-r--r--. 1 mysql mysql 17987 11月 28 2016 COPYING drwxr-xr-x. 4 mysql mysql 29 3月 21 00:56 data drwxr-xr-x. 2 mysql mysql 52 3月 21 00:49 docs drwxr-xr-x. 3 mysql mysql 4096 3月 21 00:49 include drwxr-xr-x. 3 mysql mysql 4096 3月 21 00:48 lib drwxr-xr-x. 4 mysql mysql 28 3月 21 00:49 man drwxr-xr-x. 10 mysql mysql 4096 3月 21 00:49 mysql-test -rw-r--r--. 1 mysql mysql 2496 11月 28 2016 README drwxr-xr-x. 2 mysql mysql 29 3月 21 00:48 scripts drwxr-xr-x. 28 mysql mysql 4096 3月 21 00:48 share drwxr-xr-x. 4 mysql mysql 4096 3月 21 00:49 sql-bench drwxr-xr-x. 2 mysql mysql 4096 3月 21 00:48 support-files [rootcentos001 mysql]# ll scripts/ 总用量 36 -rwxr-xr-x. 1 mysql mysql 34558 11月 28 2016 mysql_install_db [rootcentos001 mysql]# ./scripts/mysql_install_db --usermysql -- Installing MySQL system tables...2026-03-21 01:00:20 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details). 2026-03-21 01:00:20 0 [Note] Ignoring --secure-file-priv value as server is running with --bootstrap. 2026-03-21 01:00:20 0 [Note] ./bin/mysqld (mysqld 5.6.35) starting as process 2707 ... 2026-03-21 01:00:20 2707 [Note] InnoDB: Using atomics to ref count buffer pool pages 2026-03-21 01:00:20 2707 [Note] InnoDB: The InnoDB memory heap is disabled 2026-03-21 01:00:20 2707 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins 2026-03-21 01:00:20 2707 [Note] InnoDB: Memory barrier is not used 2026-03-21 01:00:20 2707 [Note] InnoDB: Compressed tables use zlib 1.2.3 2026-03-21 01:00:20 2707 [Note] InnoDB: Using Linux native AIO 2026-03-21 01:00:20 2707 [Note] InnoDB: Using CPU crc32 instructions 2026-03-21 01:00:20 2707 [Note] InnoDB: Initializing buffer pool, size 128.0M 2026-03-21 01:00:20 2707 [Note] InnoDB: Completed initialization of buffer pool 2026-03-21 01:00:20 2707 [Note] InnoDB: The first specified data file ./ibdata1 did not exist: a new database to be created! 2026-03-21 01:00:20 2707 [Note] InnoDB: Setting file ./ibdata1 size to 12 MB 2026-03-21 01:00:20 2707 [Note] InnoDB: Database physically writes the file full: wait... 2026-03-21 01:00:20 2707 [Note] InnoDB: Setting log file ./ib_logfile101 size to 48 MB 2026-03-21 01:00:20 2707 [Note] InnoDB: Setting log file ./ib_logfile1 size to 48 MB 2026-03-21 01:00:20 2707 [Note] InnoDB: Renaming log file ./ib_logfile101 to ./ib_logfile0 2026-03-21 01:00:20 2707 [Warning] InnoDB: New log files created, LSN45781 2026-03-21 01:00:20 2707 [Note] InnoDB: Doublewrite buffer not found: creating new 2026-03-21 01:00:20 2707 [Note] InnoDB: Doublewrite buffer created 2026-03-21 01:00:20 2707 [Note] InnoDB: 128 rollback segment(s) are active. 2026-03-21 01:00:20 2707 [Warning] InnoDB: Creating foreign key constraint system tables. 2026-03-21 01:00:20 2707 [Note] InnoDB: Foreign key constraint system tables created 2026-03-21 01:00:20 2707 [Note] InnoDB: Creating tablespace and datafile system tables. 2026-03-21 01:00:20 2707 [Note] InnoDB: Tablespace and datafile system tables created. 2026-03-21 01:00:20 2707 [Note] InnoDB: Waiting for purge to start 2026-03-21 01:00:20 2707 [Note] InnoDB: 5.6.35 started; log sequence number 0 2026-03-21 01:00:20 2707 [Note] Binlog end 2026-03-21 01:00:20 2707 [Note] InnoDB: FTS optimize thread exiting. 2026-03-21 01:00:20 2707 [Note] InnoDB: Starting shutdown... 2026-03-21 01:00:22 2707 [Note] InnoDB: Shutdown completed; log sequence number 1625977 OK Filling help tables...2026-03-21 01:00:22 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details). 2026-03-21 01:00:22 0 [Note] Ignoring --secure-file-priv value as server is running with --bootstrap. 2026-03-21 01:00:22 0 [Note] ./bin/mysqld (mysqld 5.6.35) starting as process 2729 ... 2026-03-21 01:00:22 2729 [Note] InnoDB: Using atomics to ref count buffer pool pages 2026-03-21 01:00:22 2729 [Note] InnoDB: The InnoDB memory heap is disabled 2026-03-21 01:00:22 2729 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins 2026-03-21 01:00:22 2729 [Note] InnoDB: Memory barrier is not used 2026-03-21 01:00:22 2729 [Note] InnoDB: Compressed tables use zlib 1.2.3 2026-03-21 01:00:22 2729 [Note] InnoDB: Using Linux native AIO 2026-03-21 01:00:22 2729 [Note] InnoDB: Using CPU crc32 instructions 2026-03-21 01:00:22 2729 [Note] InnoDB: Initializing buffer pool, size 128.0M 2026-03-21 01:00:22 2729 [Note] InnoDB: Completed initialization of buffer pool 2026-03-21 01:00:22 2729 [Note] InnoDB: Highest supported file format is Barracuda.9、加入服务服务脚本的存放路径/etc/init.d/[rootcentos001 mysql]# pwd /usr/local/mysql [rootcentos001 mysql]# ll 总用量 60 drwxr-xr-x. 2 mysql mysql 4096 3月 21 00:49 bin -rw-r--r--. 1 mysql mysql 17987 11月 28 2016 COPYING drwxr-xr-x. 4 mysql mysql 29 3月 21 00:56 data drwxr-xr-x. 2 mysql mysql 52 3月 21 00:49 docs drwxr-xr-x. 3 mysql mysql 4096 3月 21 00:49 include drwxr-xr-x. 3 mysql mysql 4096 3月 21 00:48 lib drwxr-xr-x. 4 mysql mysql 28 3月 21 00:49 man -rw-r--r--. 1 root root 943 3月 21 01:00 my.cnf -rw-r--r--. 1 root root 943 3月 21 01:00 my-new.cnf drwxr-xr-x. 10 mysql mysql 4096 3月 21 00:49 mysql-test -rw-r--r--. 1 mysql mysql 2496 11月 28 2016 README drwxr-xr-x. 2 mysql mysql 29 3月 21 00:48 scripts drwxr-xr-x. 28 mysql mysql 4096 3月 21 00:48 share drwxr-xr-x. 4 mysql mysql 4096 3月 21 00:49 sql-bench drwxr-xr-x. 2 mysql mysql 4096 3月 21 00:48 support-files [rootcentos001 mysql]# cp support-files/mysql.server /etc/init.d/mysqld [rootcentos001 mysql]#10、修改服务配置[rootc001 mysql]# vim /etc/init.d/mysqld 40 basedir/usr/local/mysql/ 41 datadir/usr/local/mysql/data/mysql确保mysqld权限为755~11、将MySQL的配置文件放入etc目录下[rootc001 mysql]# ll support-files/ 总用量 32 -rwxr-xr-x. 1 mysql mysql 1153 11月 28 2016 binary-configure -rw-r--r--. 1 mysql mysql 773 11月 28 2016 magic -rw-r--r--. 1 mysql mysql 1126 11月 28 2016 my-default.cnf -rwxr-xr-x. 1 mysql mysql 1061 11月 28 2016 mysqld_multi.server -rwxr-xr-x. 1 mysql mysql 894 11月 28 2016 mysql-log-rotate -rwxr-xr-x. 1 mysql mysql 10875 11月 28 2016 mysql.server [rootc001 mysql]# cp support-files/my-default.cnf /etc/my.cnf cp是否覆盖/etc/my.cnf y [rootc001 mysql]# cat /etc/my.cnf # For advice on how to change settings please see # http://dev.mysql.com/doc/refman/5.6/en/server-configuration-defaults.html # *** DO NOT EDIT THIS FILE. Its a template which will be copied to the # *** default location during install, and will be replaced if you # *** upgrade to a newer version of MySQL. [mysqld] # Remove leading # and set to the amount of RAM for the most important data # cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%. # innodb_buffer_pool_size 128M # Remove leading # to turn on a very important data integrity option: logging # changes to the binary log between backups. # log_bin # These are commonly set, remove the # and set as required. # basedir ..... # datadir ..... # port ..... # server_id ..... # socket ..... # Remove leading # to set options mainly useful for reporting servers. # The server defaults are faster for transactions and fast SELECTs. # Adjust sizes as needed, experiment to find the optimal values. # join_buffer_size 128M [rootc001 mysql]# ll support-files/ 总用量 32 -rwxr-xr-x. 1 mysql mysql 1153 11月 28 2016 binary-configure -rw-r--r--. 1 mysql mysql 773 11月 28 2016 magic -rw-r--r--. 1 mysql mysql 1126 11月 28 2016 my-default.cnf -rwxr-xr-x. 1 mysql mysql 1061 11月 28 2016 mysqld_multi.server -rwxr-xr-x. 1 mysql mysql 894 11月 28 2016 mysql-log-rotate -rwxr-xr-x. 1 mysql mysql 10875 11月 28 2016 mysql.server [rootc001 mysql]# cp support-files/my-default.cnf /etc/my.cnf cp是否覆盖/etc/my.cnf y [rootc001 mysql]# cat /etc/my.cnf # For advice on how to change settings please see # http://dev.mysql.com/doc/refman/5.6/en/server-configuration-defaults.html # *** DO NOT EDIT THIS FILE. Its a template which will be copied to the # *** default location during install, and will be replaced if you # *** upgrade to a newer version of MySQL. [mysqld] # Remove leading # and set to the amount of RAM for the most important data # cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%. # innodb_buffer_pool_size 128M # Remove leading # to turn on a very important data integrity option: logging # changes to the binary log between backups. # log_bin # These are commonly set, remove the # and set as required. # basedir ..... # datadir ..... # port ..... # server_id ..... # socket ..... # Remove leading # to set options mainly useful for reporting servers. # The server defaults are faster for transactions and fast SELECTs. # Adjust sizes as needed, experiment to find the optimal values. # join_buffer_size 128M12、启动和关闭[rootc001 /]# service mysqld start Starting MySQL.Logging to /usr/local/mysql/data/mysql/c001.err. SUCCESS! [rootc001 /]# service mysqld status SUCCESS! MySQL running (2754) [rootc001 /]# ps aux | grep mysqld root 2646 0.0 0.1 11824 1608 pts/0 S 15:22 0:00 /bin/sh /usr/local/mysql//bin/mysqld_safe --datadir/usr/local/mysql/data/mysql --pid- file/usr/local/mysql/data/mysql/c001.pid mysql 2754 1.6 44.8 973596 449632 pts/0 Sl 15:22 0:00 /usr/local/mysql/bin/mysqld --basedir/usr/local/mysql -- datadir/usr/local/mysql/data/mysql --plugin-dir/usr/local/mysql/lib/plugin -- usermysql --log-error/usr/local/mysql/data/mysql/c001.err --pid- file/usr/local/mysql/data/mysql/c001.pid root 2792 0.0 0.0 112820 984 pts/0 R 15:23 0:00 grep -- colorauto mysqld [rootc001 /]# service mysqld stop Shutting down MySQL.. SUCCESS!1.3 远程访问1、关闭防火墙#centos7之前 关闭命令service iptables stop 永久关闭防火墙chkconfig iptables off 查看防火墙关闭状态 service iptables status #centos7之后 临时关闭systemctl stop firewalld 永久关闭systemctl disable firewalld 查看防火墙状态systemctl status firewalld [rootc001 /]# systemctl stop firewalld [rootc001 /]# systemctl disable firewalld rm /etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service rm /etc/systemd/system/basic.target.wants/firewalld.service [rootc001 /]# systemctl status firewalld firewalld.service - firewalld - dynamic firewall daemon Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled) Active: inactive (dead) 3月 20 14:54:32 c001 systemd[1]: Starting firewalld - dynamic firewall daemon... 3月 20 14:54:33 c001 systemd[1]: Started firewalld - dynamic firewall daemon. 3月 20 15:26:21 c001 systemd[1]: Stopping firewalld - dynamic firewall daemon... 3月 20 15:26:22 c001 systemd[1]: Stopped firewalld - dynamic firewall daemon.2、设置密码不输入密码直接进入mysql[rootcentos001 /]# service mysqld status SUCCESS! MySQL running (3793) [rootcentos001 /]# mysql -u root -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 1 Server version: 5.6.35 MySQL Community Server (GPL) Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type help; or \h for help. Type \c to clear the current input statement. mysql show databases; -------------------- | Database | -------------------- | information_schema | | mysql | | performance_schema | | test | -------------------- 4 rows in set (0.00 sec) mysql use mysql; Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A Database changed mysql show tables; --------------------------- | Tables_in_mysql | --------------------------- | columns_priv | | db | | event | | func | | general_log | | help_category | | help_keyword | | help_relation | | help_topic | | innodb_index_stats | | innodb_table_stats | | ndb_binlog_index | | plugin | | proc | | procs_priv | | proxies_priv | | servers | | slave_master_info | | slave_relay_log_info | | slave_worker_info | | slow_log | | tables_priv | | time_zone | | time_zone_leap_second | | time_zone_name | | time_zone_transition | | time_zone_transition_type | | user | --------------------------- 28 rows in set (0.00 sec) mysql