1.需求就不用讲了，客户现场，政府环境，银行环境，大多是没网的，所以无网安装是很有必要的
mysql下载路径：https://dev.mysql.com/downloads/mysql/
查看自己Linux系统版本
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[root@lsl ~]
# cat /etc/redhat-release
CentOS Linux release 7.3.1611 (Core)
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往下拉继续选择
选择对应的下载，mysql-5.7.20-1.el7.x86_64.rpm-bundle.tar
这样几分钟就下载了。
2.准备依赖包：
a.numactl 软件包：
numactl-2.0.9-6.el7_2.x86_64.rpm
numactl-devel-2.0.9-6.el7_2.x86_64.rpm
numactl-libs-2.0.9-6.el7_2.x86_64.rpm
b.其他相关支持：
perl-Data-Dumper-2.145-3.el7.x86_64.rpm
libaio-0.3.109-13.el7.x86_64.rpm
下载方式：https://pkgs.org
下面是下载路径：
libaio-0.3.109-13.el7.x86_64.rpm
perl-Data-Dumper-2.145-3.el7.x86_64.rpm
numactl-libs-2.0.9-6.el7_2.x86_64.rpm
numactl-devel-2.0.9-6.el7_2.x86_64.rpm
numactl-2.0.9-6.el7_2.x86_64.rpm
3.上传文件到服务器上
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root@lsl's password:
numactl-2.0.9-6.el7_2.x86_64.rpm 100% 65KB 2.1MB
/s
00:00
root@lsl's password:
numactl-libs-2.0.9-6.el7_2.x86_64.rpm 100% 29KB 1.7MB
/s
00:00
root@lsl's password:
numactl-devel-2.0.9-6.el7_2.x86_64.rpm 100% 23KB 1.5MB
/s
00:00
root@lsl's password:
perl-Data-Dumper-2.145-3.el7.x86_64.rpm 100% 47KB 1.2MB
/s
00:00
root@lsl's password:
Permission denied, please try again.
root@lsl's password:
libaio-0.3.109-13.el7.x86_64.rpm 100% 24KB 618.3KB
/s
00:00
root@lsl's password:
mysql-5.7.20-1.el7.x86_64.rpm-bundle.
tar
100% 566MB 4.5MB
/s
02:05
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查看上传的包
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[root@lsl ~]
# ls
anaconda-ks.cfg numactl-devel-2.0.9-6.el7_2.x86_64.rpm
libaio-0.3.109-13.el7.x86_64.rpm numactl-libs-2.0.9-6.el7_2.x86_64.rpm
miniconda2 perl-Data-Dumper-2.145-3.el7.x86_64.rpm
mysql-5.7.20-1.el7.x86_64.rpm-bundle.
tar
pythonshell
numactl-2.0.9-6.el7_2.x86_64.rpm
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4.安装
第一步，先安装依赖，安装 perl-Data-Dumper-2.145-3.el7.x86_64.rpm 和 libaio-0.3.109-13.el7.x86_64.rpm
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[root@lsl ~]
# rpm -ivh libaio-0.3.109-13.el7.x86_64.rpm
Preparing...
################################# [100%]
package libaio-0.3.109-13.el7.x86_64 is already installed
[root@lsl ~]
# rpm -ivh perl-Data-Dumper-2.145-3.el7.x86_64.rpm
Preparing...
################################# [100%]
Updating / installing...
1:perl-Data-Dumper-2.145-3.el7
################################# [100%]
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第二步，继续安装 numactl相关
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[root@lsl ~]
# rpm -ivh numactl*
Preparing...
################################# [100%]
package numactl-libs-2.0.9-6.el7_2.x86_64 is already installed
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如果不安装这个包会报错，错误如下（本人未测试）：
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error: Failed dependencies:
libnuma.so.1()(64bit) is needed by mysql-community-server-5.7.18-1.el7.x86_64
libnuma.so.1(libnuma_1.1)(64bit) is needed by mysql-community-server-5.7.18-1.el7.x86_64
libnuma.so.1(libnuma_1.2)(64bit) is needed by mysql-community-server-5.7.18-1.el7.x86_64
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若此时直接安装mysql，还会异常：
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warning: mysql-community-libs-5.7.18-1.el7.x86_64.rpm: Header V3 DSA
/SHA1
Signature, key ID 5072e1f5: NOKEY error: Failed dependencies:
mysql-community-common(x86-64) >= 5.7.9 is needed by mysql-community-libs-5.7.18-1.el7.x86_64
mariadb-libs is obsoleted by mysql-community-libs-5.7.18-1.el7.x86_64
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第一行还能看明白，是依赖问题，第二行的“mariadb-libs 被废弃”是什么鬼?废弃了为什么不提供一个新的还要出现这种弱智提示呢?
经过一番搜寻，才发现是因为在CentOS 7上已经有一个mariadb 而这个会与 MySQL的mariadb发生冲突。所以此时我们需要将系统自带的mariadb卸载掉，
然后使用mysql自带的mariadb。
接下来查看mariadb版本
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[root@lsl ~]
# rpm -qa | grep mariadb
mariadb-libs-5.5.52-1.el7.x86_64
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卸载系统安装的mariadb
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[root@lsl ~]
# rpm -e --nodeps mariadb-libs-5.5.52-1.el7.x86_64
[root@lsl ~]
# rpm -qa | grep mariadb
[root@lsl ~]
#
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解决好这个问题后，就可以安装mysql了,先解压mysql，并查看安装包
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[root@lsl ~]
# tar -xf mysql-5.7.20-1.el7.x86_64.rpm-bundle.tar
[root@lsl ~]
# ls
anaconda-ks.cfg
libaio-0.3.109-13.el7.x86_64.rpm
miniconda2
mysql-5.7.20-1.el7.x86_64.rpm-bundle.
tar
mysql-community-client-5.7.20-1.el7.x86_64.rpm
mysql-community-common-5.7.20-1.el7.x86_64.rpm
mysql-community-devel-5.7.20-1.el7.x86_64.rpm
mysql-community-embedded-5.7.20-1.el7.x86_64.rpm
mysql-community-embedded-compat-5.7.20-1.el7.x86_64.rpm
mysql-community-embedded-devel-5.7.20-1.el7.x86_64.rpm
mysql-community-libs-5.7.20-1.el7.x86_64.rpm
mysql-community-libs-compat-5.7.20-1.el7.x86_64.rpm
mysql-community-minimal-debuginfo-5.7.20-1.el7.x86_64.rpm
mysql-community-server-5.7.20-1.el7.x86_64.rpm
mysql-community-server-minimal-5.7.20-1.el7.x86_64.rpm
mysql-community-
test
-5.7.20-1.el7.x86_64.rpm
numactl-2.0.9-6.el7_2.x86_64.rpm
numactl-devel-2.0.9-6.el7_2.x86_64.rpm
numactl-libs-2.0.9-6.el7_2.x86_64.rpm
perl-Data-Dumper-2.145-3.el7.x86_64.rpm
pythonshell
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直接安装,报错：
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[root@lsl ~]
# rpm -ivh mysql-community-*
warning: mysql-community-client-5.7.20-1.el7.x86_64.rpm: Header V3 DSA
/SHA1
Signature, key ID 5072e1f5: NOKEY
error: Failed dependencies:
net-tools is needed by mysql-community-server-5.7.20-1.el7.x86_64
perl(JSON) is needed by mysql-community-
test
-5.7.20-1.el7.x86_64
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貌似不能直接全安装，有顺序，继续：
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[root@lsl ~]
# rpm -ivh mysql-community-common-5.7.20-1.el7.x86_64.rpm
warning: mysql-community-common-5.7.20-1.el7.x86_64.rpm: Header V3 DSA
/SHA1
Signature, key ID 5072e1f5: NOKEY
Preparing...
################################# [100%]
Updating / installing...
1:mysql-community-common-5.7.20-1.e
################################# [100%]
[root@lsl ~]
# rpm -ivh mysql-community-libs-*
warning: mysql-community-libs-5.7.20-1.el7.x86_64.rpm: Header V3 DSA
/SHA1
Signature, key ID 5072e1f5: NOKEY
Preparing...
################################# [100%]
Updating / installing...
1:mysql-community-libs-5.7.20-1.el7
################################# [ 50%]
2:mysql-community-libs-compat-5.7.2
################################# [100%]
[root@lsl ~]
# rpm -ivh mysql-community-devel-5.7.20-1.el7.x86_64.rpm
warning: mysql-community-devel-5.7.20-1.el7.x86_64.rpm: Header V3 DSA
/SHA1
Signature, key ID 5072e1f5: NOKEY
Preparing...
################################# [100%]
Updating / installing...
1:mysql-community-devel-5.7.20-1.el
################################# [100%]
[root@lsl ~]
#
[root@lsl ~]
# rpm -ivh mysql-community-server-5.7.20-1.el7.x86_64.rpm
warning: mysql-community-server-5.7.20-1.el7.x86_64.rpm: Header V3 DSA
/SHA1
Signature, key ID 5072e1f5: NOKEY
error: Failed dependencies:
mysql-community-client(x86-64) >= 5.7.9 is needed by mysql-community-server-5.7.20-1.el7.x86_64
net-tools is needed by mysql-community-server-5.7.20-1.el7.x86_64
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说缺少net-tools ，下载下来装呗，继续：
net-tools-2.0-0.22.20131004git.el7.x86_64.rpm
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[root@lsl ~]
# rpm -ivh net-tools-2.0-0.22.20131004git.el7.x86_64.rpm
Preparing...
################################# [100%]
Updating / installing...
1:net-tools-2.0-0.22.20131004git.el
################################# [100%]
[root@lsl ~]
# rpm -ivh mysql-community-server-5.7.20-1.el7.x86_64.rpm
warning: mysql-community-server-5.7.20-1.el7.x86_64.rpm: Header V3 DSA
/SHA1
Signature, key ID 5072e1f5: NOKEY
error: Failed dependencies:
mysql-community-client(x86-64) >= 5.7.9 is needed by mysql-community-server-5.7.20-1.el7.x86_64
[root@lsl ~]
# rpm -ivh mysql-community-c
mysql-community-client-5.7.20-1.el7.x86_64.rpm mysql-community-common-5.7.20-1.el7.x86_64.rpm
[root@lsl ~]
# rpm -ivh mysql-community-client-5.7.20-1.el7.x86_64.rpm
warning: mysql-community-client-5.7.20-1.el7.x86_64.rpm: Header V3 DSA
/SHA1
Signature, key ID 5072e1f5: NOKEY
Preparing...
################################# [100%]
Updating / installing...
1:mysql-community-client-5.7.20-1.e
################################# [100%]
[root@lsl ~]
# rpm -ivh mysql-community-server-5.7.20-1.el7.x86_64.rpm
warning: mysql-community-server-5.7.20-1.el7.x86_64.rpm: Header V3 DSA
/SHA1
Signature, key ID 5072e1f5: NOKEY
Preparing...
################################# [100%]
Updating / installing...
1:mysql-community-server-5.7.20-1.e
################################# [100%]
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中间安装server时，又说必须安装client，至此，mysql安装成功，打完收工。
5.启动查看配置
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[root@lsl ~]
# service mysqld start 或 systemcl start mysqld
Redirecting to
/bin/systemctl
start mysqld.service
[root@lsl ~]
# service mysqld status
Redirecting to
/bin/systemctl
status mysqld.service
● mysqld.service - MySQL Server
Loaded: loaded (
/usr/lib/systemd/system/mysqld
.service; enabled; vendor preset: disabled)
Active: active (running) since Sat 2017-11-04 13:56:37 CST; 24s ago
Docs:
man
:mysqld(8)
http:
//dev
.mysql.com
/doc/refman/en/using-systemd
.html
Process: 4644 ExecStart=
/usr/sbin/mysqld
--daemonize --pid-
file
=
/var/run/mysqld/mysqld
.pid $MYSQLD_OPTS (code=exited, status=0
/SUCCESS
)
Process: 4571 ExecStartPre=
/usr/bin/mysqld_pre_systemd
(code=exited, status=0
/SUCCESS
)
Main PID: 4647 (mysqld)
CGroup:
/system
.slice
/mysqld
.service
└─4647
/usr/sbin/mysqld
--daemonize --pid-
file
=
/var/run/mysqld/mysqld
.pid
Nov 04 13:56:07 kylintest systemd[1]: Starting MySQL Server...
Nov 04 13:56:37 kylintest systemd[1]: Started MySQL Server.
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至此，无网安装难的历史已经结束，至少的我实验没问题了，好像还缺点是什么，数据库密码是啥？
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[root@lsl ~]
# cat /var/log/mysqld.log | grep password
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这样就可以登录数据库了，try一下：
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[root@lsl ~]
# mysql -u root
ERROR 1045 (28000): Access denied
for
user
'root'
@
'localhost'
(using password: NO)
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报错了，连输入密码的机会也没有。
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[root@lsl ~]
# mysql -uroot -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection
id
is 6
Server version: 5.7.20
Copyright (c) 2000, 2017, 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>
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登陆成功试试，数据库好使不
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mysql> show databases;
ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.
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不改密码，用不了，继续：
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mysql> ALTER USER
'root'
@
'localhost'
IDENTIFIED BY
'你的密码'
;
Query OK, 0 rows affected (0.02 sec)
mysql> FLUSH PRIVILEGES;
Query OK, 0 rows affected (0.01 sec)
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然后再使用SQL就没问题了
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mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| sys |
+--------------------+
4 rows
in
set
(0.00 sec)
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用数据库工具链接，出现问题：
不允许远程访问，改继续：
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mysql> GRANT ALL PRIVILEGES ON *.* TO
'root'
@
'%'
IDENTIFIED BY
'你的密码'
WITH GRANT OPTION;
Query OK, 0 rows affected, 1 warning (0.00 sec)
mysql> FLUSH PRIVILEGES;
Query OK, 0 rows affected (0.00 sec)
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再试就没有问题了，至此数据库安装问题基本没有。
查看mysql配置文件地址：
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[root@lsl ~]
# find / -iname '*.cnf' -print
/etc/pki/tls/openssl
.cnf
/etc/my
.cnf
/root/miniconda2/pkgs/openssl-1
.0.2l-0
/ssl/openssl
.cnf
/root/miniconda2/ssl/openssl
.cnf
/var/lib/mysql/auto
.cnf
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查看字符集：
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mysql> show variables like
'char%'
;
+--------------------------+----------------------------+
| Variable_name | Value |
+--------------------------+----------------------------+
| character_set_client | utf8 |
| character_set_connection | utf8 |
| character_set_database | latin1 |
| character_set_filesystem | binary |
| character_set_results | utf8 |
| character_set_server | latin1 |
| character_set_system | utf8 |
| character_sets_dir |
/usr/share/mysql/charsets/
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+--------------------------+----------------------------+
8 rows
in
set
(0.01 sec)
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至此数据库安装完毕。