1.確保你的虛擬機能上網mysql
2.咱們使用的時yum安裝的 下載mysql的repo源sql
鍵入以下命令:數據庫
$ wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm
[root@slave1 ~]# wget http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm
--2018-03-15 15:38:59-- http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm
正在解析主機 repo.mysql.com (repo.mysql.com)... 23.207.113.116
正在鏈接 repo.mysql.com (repo.mysql.com)|23.207.113.116|:80... 已鏈接。
已發出 HTTP 請求,正在等待迴應... 200 OK
長度:6140 (6.0K) [application/x-redhat-package-manager]
正在保存至: 「mysql-community-release-el7-5.noarch.rpm」
100%[==============================================>] 6,140 --.-K/s 用時 0s
2018-03-15 15:38:59 (293 MB/s) - 已保存 「mysql-community-release-el7-5.noarch.rpm」 [6140/6140])
返回200 Ok說明成功centos
3.安裝mysql-community-release-el7-5.noarch.rpm包架構
$ sudo rpm -ivh mysql-community-release-el7-5.noarch.rpmoracle
[root@slave1 ~]# sudo rpm -ivh mysql-community-release-el7-5.noarch.rpm
準備中... ################################# [100%]
正在升級/安裝...
1:mysql-community-release-el7-5 ################################# [100%]
安裝這個包後,會得到兩個mysql的yum repo源:/etc/yum.repos.d/mysql-community.repo,/etc/yum.repos.d/mysql-community-source.repo。app
4.安裝mysqlsocket
$ sudo yum install mysql-serverui
根據提示安裝就能夠了,不過安裝完成後沒有密碼,須要重置密碼this
安裝過程當中可能會出現以下錯誤:
[root@slave1 ~]# sudo yum install mysql-server
已加載插件:fastestmirror, langpacks
/var/run/yum.pid 已被鎖定,PID 爲 3761 的另外一個程序正在運行。
Another app is currently holding the yum lock; waiting for it to exit...
另外一個應用程序是:PackageKit
內存:114 M RSS (450 MB VSZ)
已啓動: Thu Mar 15 15:38:40 2018 - 00:59以前
狀態 :睡眠中,進程ID:3761
Another app is currently holding the yum lock; waiting for it to exit...
另外一個應用程序是:PackageKit
內存:114 M RSS (450 MB VSZ)
已啓動: Thu Mar 15 15:38:40 2018 - 01:01以前
狀態 :運行中,進程ID:3761
解決辦法 你看到這個進程ID 3761
用以下命令:kill -9 強制殺死該命令
[root@slave1 ~]# kill -9 3761
若是問題沒有解決多來幾回就行了
以下安裝中:############# 0.1%
[root@slave1 ~]# sudo yum install mysql-server 已加載插件:fastestmirror, langpacks Loading mirror speeds from cached hostfile * base: mirror.bit.edu.cn * extras: mirrors.aliyun.com * updates: mirrors.aliyun.com 正在解決依賴關係 --> 正在檢查事務 ---> 軟件包 mysql-community-server.x86_64.0.5.6.39-2.el7 將被 安裝 --> 正在處理依賴關係 mysql-community-common(x86-64) = 5.6.39-2.el7,它被軟件包 mysql-community-server-5.6.39-2.el7.x86_64 須要 --> 正在處理依賴關係 mysql-community-client(x86-64) >= 5.6.10,它被軟件包 mysql-community-server-5.6.39-2.el7.x86_64 須要 --> 正在處理依賴關係 perl(DBI),它被軟件包 mysql-community-server-5.6.39-2.el7.x86_64 須要 --> 正在檢查事務 ---> 軟件包 mysql-community-client.x86_64.0.5.6.39-2.el7 將被 安裝 --> 正在處理依賴關係 mysql-community-libs(x86-64) >= 5.6.10,它被軟件包 mysql-community-client-5.6.39-2.el7.x86_64 須要 ---> 軟件包 mysql-community-common.x86_64.0.5.6.39-2.el7 將被 安裝 ---> 軟件包 perl-DBI.x86_64.0.1.627-4.el7 將被 安裝 --> 正在處理依賴關係 perl(RPC::PlServer) >= 0.2001,它被軟件包 perl-DBI-1.627-4.el7.x86_64 須要 --> 正在處理依賴關係 perl(RPC::PlClient) >= 0.2000,它被軟件包 perl-DBI-1.627-4.el7.x86_64 須要 --> 正在檢查事務 ---> 軟件包 mariadb-libs.x86_64.1.5.5.41-2.el7_0 將被 取代 ---> 軟件包 mysql-community-libs.x86_64.0.5.6.39-2.el7 將被 捨棄 ---> 軟件包 perl-PlRPC.noarch.0.0.2020-14.el7 將被 安裝 --> 正在處理依賴關係 perl(Net::Daemon) >= 0.13,它被軟件包 perl-PlRPC-0.2020-14.el7.noarch 須要 --> 正在處理依賴關係 perl(Net::Daemon::Test),它被軟件包 perl-PlRPC-0.2020-14.el7.noarch 須要 --> 正在處理依賴關係 perl(Net::Daemon::Log),它被軟件包 perl-PlRPC-0.2020-14.el7.noarch 須要 --> 正在處理依賴關係 perl(Compress::Zlib),它被軟件包 perl-PlRPC-0.2020-14.el7.noarch 須要 --> 正在檢查事務 ---> 軟件包 perl-IO-Compress.noarch.0.2.061-2.el7 將被 安裝 --> 正在處理依賴關係 perl(Compress::Raw::Zlib) >= 2.061,它被軟件包 perl-IO-Compress-2.061-2.el7.noarch 須要 --> 正在處理依賴關係 perl(Compress::Raw::Bzip2) >= 2.061,它被軟件包 perl-IO-Compress-2.061-2.el7.noarch 須要 ---> 軟件包 perl-Net-Daemon.noarch.0.0.48-5.el7 將被 安裝 --> 正在檢查事務 ---> 軟件包 perl-Compress-Raw-Bzip2.x86_64.0.2.061-3.el7 將被 安裝 ---> 軟件包 perl-Compress-Raw-Zlib.x86_64.1.2.061-4.el7 將被 安裝 --> 解決依賴關係完成 依賴關係解決 ======================================================================================== Package 架構 版本 源 大小 ======================================================================================== 正在安裝: mysql-community-libs x86_64 5.6.39-2.el7 mysql56-community 2.0 M 替換 mariadb-libs.x86_64 1:5.5.41-2.el7_0 mysql-community-server x86_64 5.6.39-2.el7 mysql56-community 59 M 爲依賴而安裝: mysql-community-client x86_64 5.6.39-2.el7 mysql56-community 19 M mysql-community-common x86_64 5.6.39-2.el7 mysql56-community 257 k perl-Compress-Raw-Bzip2 x86_64 2.061-3.el7 base 32 k perl-Compress-Raw-Zlib x86_64 1:2.061-4.el7 base 57 k perl-DBI x86_64 1.627-4.el7 base 802 k perl-IO-Compress noarch 2.061-2.el7 base 260 k perl-Net-Daemon noarch 0.48-5.el7 base 51 k perl-PlRPC noarch 0.2020-14.el7 base 36 k 事務概要 ======================================================================================== 安裝 2 軟件包 (+8 依賴軟件包) 總下載量:82 M Is this ok [y/d/N]: y Downloading packages: 警告:/var/cache/yum/x86_64/7/mysql56-community/packages/mysql-community-common-5.6.39-2.el7.x86_64.rpm: 頭V3 DSA/SHA1 Signature, 密鑰 ID 5072e1f5: NOKEY mysql-community-common-5.6.39-2.el7.x86_64.rpm 的公鑰還沒有安裝 (1/10): mysql-community-common-5.6.39-2.el7.x86_64.rpm | 257 kB 00:00:00 (2/10): mysql-community-libs-5.6.39-2.el7.x86_64.rpm | 2.0 MB 00:00:00 警告:/var/cache/yum/x86_64/7/base/packages/perl-Compress-Raw-Zlib-2.061-4.el7.x86_64.rpm: 頭V3 RSA/SHA256 Signature, 密鑰 ID f4a80eb5: NOKEY perl-Compress-Raw-Zlib-2.061-4.el7.x86_64.rpm 的公鑰還沒有安裝 (3/10): perl-Compress-Raw-Zlib-2.061-4.el7.x86_64.rpm | 57 kB 00:00:00 (4/10): perl-Compress-Raw-Bzip2-2.061-3.el7.x86_64.rpm | 32 kB 00:00:00 (5/10): perl-DBI-1.627-4.el7.x86_64.rpm | 802 kB 00:00:02 (6/10): perl-Net-Daemon-0.48-5.el7.noarch.rpm | 51 kB 00:00:00 (7/10): perl-PlRPC-0.2020-14.el7.noarch.rpm | 36 kB 00:00:00 (8/10): perl-IO-Compress-2.061-2.el7.noarch.rpm | 260 kB 00:00:04 (9/10): mysql-community-client-5.6.39-2.el7.x86_64.rpm | 19 MB 00:00:09 (10/10): mysql-community-server-5.6.39-2.el7.x86_64.rpm | 59 MB 00:00:32 ---------------------------------------------------------------------------------------- 總計 2.4 MB/s | 82 MB 00:34 從 file:/etc/pki/rpm-gpg/RPM-GPG-KEY-mysql 檢索密鑰 導入 GPG key 0x5072E1F5: 用戶ID : "MySQL Release Engineering <mysql-build@oss.oracle.com>" 指紋 : a4a9 4068 76fc bd3c 4567 70c8 8c71 8d3b 5072 e1f5 軟件包 : mysql-community-release-el7-5.noarch (installed) 來自 : file:/etc/pki/rpm-gpg/RPM-GPG-KEY-mysql 是否繼續?[y/N]:y 從 file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 檢索密鑰 導入 GPG key 0xF4A80EB5: 用戶ID : "CentOS-7 Key (CentOS 7 Official Signing Key) <security@centos.org>" 指紋 : 6341 ab27 53d7 8a78 a7c2 7bb1 24c6 a8a7 f4a8 0eb5 軟件包 : centos-release-7-1.1503.el7.centos.2.8.x86_64 (@anaconda) 來自 : /etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 是否繼續?[y/N]:y Running transaction check Running transaction test Transaction test succeeded Running transaction 警告:RPM 數據庫已被非 yum 程序修改。 正在安裝 : mysql-community-common-5.6.39-2.el7.x86_64 1/11 正在安裝 : mysql-community-libs-5.6.39-2.el7.x86_64 2/11 正在安裝 : mysql-community-client-5.6.39-2.el7.x86_64 3/11 正在安裝 : 1:perl-Compress-Raw-Zlib-2.061-4.el7.x86_64 4/11 正在安裝 : perl-Net-Daemon-0.48-5.el7.noarch 5/11 正在安裝 : perl-Compress-Raw-Bzip2-2.061-3.el7.x86_64 6/11 正在安裝 : perl-IO-Compress-2.061-2.el7.noarch 7/11 正在安裝 : perl-PlRPC-0.2020-14.el7.noarch 8/11 正在安裝 : perl-DBI-1.627-4.el7.x86_64 9/11 正在安裝 : mysql-community-server-5.6.39-2.el7.x86_64 10/11 正在刪除 : 1:mariadb-libs-5.5.41-2.el7_0.x86_64 11/11 驗證中 : mysql-community-server-5.6.39-2.el7.x86_64 1/11 驗證中 : perl-Compress-Raw-Bzip2-2.061-3.el7.x86_64 2/11 驗證中 : perl-Net-Daemon-0.48-5.el7.noarch 3/11 驗證中 : mysql-community-common-5.6.39-2.el7.x86_64 4/11 驗證中 : mysql-community-libs-5.6.39-2.el7.x86_64 5/11 驗證中 : mysql-community-client-5.6.39-2.el7.x86_64 6/11 驗證中 : 1:perl-Compress-Raw-Zlib-2.061-4.el7.x86_64 7/11 驗證中 : perl-PlRPC-0.2020-14.el7.noarch 8/11 驗證中 : perl-IO-Compress-2.061-2.el7.noarch 9/11 驗證中 : perl-DBI-1.627-4.el7.x86_64 10/11 驗證中 : 1:mariadb-libs-5.5.41-2.el7_0.x86_64 11/11 已安裝: mysql-community-libs.x86_64 0:5.6.39-2.el7 mysql-community-server.x86_64 0:5.6.39-2.el7 做爲依賴被安裝: mysql-community-client.x86_64 0:5.6.39-2.el7 mysql-community-common.x86_64 0:5.6.39-2.el7 perl-Compress-Raw-Bzip2.x86_64 0:2.061-3.el7 perl-Compress-Raw-Zlib.x86_64 1:2.061-4.el7 perl-DBI.x86_64 0:1.627-4.el7 perl-IO-Compress.noarch 0:2.061-2.el7 perl-Net-Daemon.noarch 0:0.48-5.el7 perl-PlRPC.noarch 0:0.2020-14.el7 替代: mariadb-libs.x86_64 1:5.5.41-2.el7_0 完畢!
直至提示安裝完畢就行了
5.重置mysql密碼
登陸時有可能報這樣的錯:ERROR 2002 (HY000): Can‘t connect to local MySQL server through socket ‘/var/lib/mysql/mysql.sock‘ (2),緣由是/var/lib/mysql的訪問權限問題。下面的命令把/var/lib/mysql的擁有者改成當前用戶:
$ sudo chown -R root:root /var/lib/mysql
[root@slave1 ~]# mysql -u root
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
[root@slave1 ~]# sudo chown -R root:root /var/lib/mysql
6.重啓mysql服務
$ service mysqld restart
[root@slave1 ~]# service mysqld restart
Redirecting to /bin/systemctl restart mysqld.service
7.再次登錄
[root@slave1 ~]# mysql -u root
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.6.39 MySQL Community Server (GPL)
Copyright (c) 2000, 2018, 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> use mysql
登錄成功
8.接下來登陸重置密碼
$ mysql -u root //直接回車進入mysql控制檯
mysql > use mysql;
mysql > update user set password=password('root') where user='root';
mysql > exit;
注意分號結尾
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> update user set password=password('root') where user='root';
Query OK, 4 rows affected (0.00 sec)
Rows matched: 4 Changed: 4 Warnings: 0
mysql> exit
Bye
9.試着建立一個數據庫
mysql> create database school;
Query OK, 1 row affected (0.00 sec)
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| school |
+--------------------+
4 rows in set (0.00 sec)
10.其餘
Linux下配置Mysql容許遠程訪問詳解
操做很是簡單,就5步驟,以下:
1.進入 mysql:
/usr/local/mysql/bin/mysql -u root -p
2.使用 mysql庫 :
use mysql;
3.查看用戶表 :
SELECT `Host`,`User` FROM user;
4.更新用戶表 :
UPDATE user SET `Host` = '%' WHERE `User` = 'root' LIMIT 1;
5.強制刷新權限 :
flush privileges;
完成以上步驟便可遠程鏈接數據庫了,上邊關鍵的一句是
UPDATE user SET `Host` = '%' WHERE `User` = 'root' LIMIT 1;
其中%的意思是容許全部的ip遠程訪問,若是須要指定具體的某個ip就寫上具體的ip便可
KO...