linux安裝mysql詳細步驟
linux安裝mysql詳細步驟
最近買了個騰訊雲伺服器,搭建環境。
該筆記用於系統上未裝過mysql的乾淨系統第一次安裝mysql。自己指定安裝目錄,指定資料檔案目錄。
linux系統版本: CentOS 7.3 64位
安裝原始檔版本:mysql-5.7.21-linux-glibc2.12-x86_64.tar.gz
mysql安裝位置:/software/mysql
資料庫檔案資料位置:/data/mysql
注:未防止混淆,這裡都用絕對路徑執行命令
除了檔案內容中的#,這裡所有帶#都是linux命令
>mysql 是mysql的命令
步驟:
1、在根目錄下建立資料夾software和資料庫資料檔案/data/mysql
#mkdir /software/
#mkdir /data/mysql
2、上傳mysql-5.7.21-linux-glibc2.12-x86_64.tar.gz檔案到/software下
#cd /software/
#tar -zxvf mysql-5.7.21-linux-glibc2.12-x86_64.tar.gz
3、更改解壓縮後的資料夾名稱
#mv /software/mysql-5.7.21-linux-glibc2.12-x86_64/ /software/mysql
4、建立mysql使用者組和mysql使用者
#groupadd mysql
#useradd -r -g mysql mysql
5、關聯myql使用者到mysql使用者組中
#chown -R mysql:mysql /software/mysql/
#chown -R mysql:mysql /data/mysql/
#chown -R mysql /software/mysql/
#chown -R mysql /data/mysql
6、更改mysql安裝資料夾mysql/的許可權
#chmod -R 755 /software/mysql/
7、安裝libaio依賴包,由於我買的騰訊雲伺服器centos系統自帶的有這個依賴包所以不需要安裝,不過自帶的依賴包會報錯,後面介紹解決辦法
查詢是否暗轉libaio依賴包
#yum search libaio
如果沒安裝,可以用下面命令安裝
#yum install libaio
8、初始化mysql命令
#cd /software/mysql/bin
#./mysqld --user=mysql --basedir=/software/mysql --datadir=/data/mysql --initialize
在執行上面命令時特別要注意一行內容
[Note] A
temporary
password
is
generated
for
[email protected]: o*s#gqh)F4Ck
[email protected]: 後面跟的是mysql資料庫登入的臨時密碼,各人安裝生成的臨時密碼不一樣
如果初始化時報錯如下:
error while loading shared libraries: libnuma.so.1: cannot open shared objec
是因為libnuma安裝的是32位,我們這裡需要64位的,執行下面語句就可以解決
#yum install numactl.x86_64
執行完後重新初始化mysql命令
9、啟動mysql服務
# sh /software/mysql/support-files/mysql.server start
上面啟動mysql服務命令是會報錯的,因為沒有修改mysql的配置檔案,報錯內容大致如下:
./support-files/mysql.server: line 239: my_print_defaults: command
not
found
./support-files/mysql.server: line 259: cd: /usr/
local
/mysql:
No
such file
or
directory
Starting MySQL ERROR! Couldn't find MySQL server (/usr/
local
/mysql/bin/mysqld_safe)
10、修改Mysql配置檔案
#vim /software/mysql/support-files/mysql.server
修改前
if test -z "$basedir"
then
basedir=/usr/local/mysql
bindir=/usr/local/mysql/bin
if test -z "$datadir"
then
datadir=/usr/local/mysql/data
fi
sbindir=/usr/local/mysql/bin
libexecdir=/usr/local/mysql/bin
else
bindir="$basedir/bin"
if test -z "$datadir"
then
datadir="$basedir/data"
fi
sbindir="$basedir/sbin"
libexecdir="$basedir/libexec"
fi
修改後
if test -z "$basedir"
then
basedir=/software/mysql
bindir=/software/mysql/bin
if test -z "$datadir"
then
datadir=/data/mysql
fi
sbindir=/software/mysql/bin
libexecdir=/software/mysql/bin
else
bindir="$basedir/bin"
if test -z "$datadir"
then
datadir="$basedir/data"
fi
sbindir="$basedir/sbin"
libexecdir="$basedir/libexec"
fi
儲存退出
#cp /software/mysql/support-files/mysql.server /etc/init.d/mysqld #chmod 755 /etc/init.d/mysqld11、修改my.cnf檔案
#vi /etc/my.cnf
將下面內容複製替換當前的my.cnf檔案中的內容
[client]
no-beep
socket =/software/mysql/mysql.sock
# pipe
# socket=0.0
port=3306
[mysql]
default-character-set=utf8
[mysqld]
basedir=/software/mysql
datadir=/data/mysql
port=3306
pid-file=/software/mysql/mysqld.pid
#skip-grant-tables
skip-name-resolve
socket = /software/mysql/mysql.sock
character-set-server=utf8
default-storage-engine=INNODB
explicit_defaults_for_timestamp = true
# Server Id.
server-id=1
max_connections=2000
query_cache_size=0
table_open_cache=2000
tmp_table_size=246M
thread_cache_size=300
#限定用於每個資料庫執行緒的棧大小。預設設定足以滿足大多數應用
thread_stack = 192k
key_buffer_size=512M
read_buffer_size=4M
read_rnd_buffer_size=32M
innodb_data_home_dir = /data/mysql
innodb_flush_log_at_trx_commit=0
innodb_log_buffer_size=16M
innodb_buffer_pool_size=256M
innodb_log_file_size=128M
innodb_thread_concurrency=128
innodb_autoextend_increment=1000
innodb_buffer_pool_instances=8
innodb_concurrency_tickets=5000
innodb_old_blocks_time=1000
innodb_open_files=300
innodb_stats_on_metadata=0
innodb_file_per_table=1
innodb_checksum_algorithm=0
back_log=80
flush_time=0
join_buffer_size=128M
max_allowed_packet=1024M
max_connect_errors=2000
open_files_limit=4161
query_cache_type=0
sort_buffer_size=32M
table_definition_cache=1400
binlog_row_event_max_size=8K
sync_master_info=10000
sync_relay_log=10000
sync_relay_log_info=10000
#批量插入資料快取大小,可以有效提高插入效率,預設為8M
bulk_insert_buffer_size = 64M
interactive_timeout = 120
wait_timeout = 120
log-bin-trust-function-creators=1
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
#
# include all files from the config directory
#
!includedir /etc/my.cnf.d
儲存退出
12、啟動mysql
#/etc/init.d/mysqld start
新版本的安裝包會報錯,錯誤內容如下:
Starting MySQL.Logging to '/data/mysql/SZY.err'.
2018-07-02T10:09:03.779928Z mysqld_safe The file /usr/local/mysql/bin/mysqld
does not exist or is not executable. Please cd to the mysql installation
directory and restart this script from there as follows:
./bin/mysqld_safe&
See http://dev.mysql.com/doc/mysql/en/mysqld-safe.html for more information
ERROR! The server quit without updating PID file (/software/mysql/mysqld.pid).
因為新版本的mysql安全啟動安裝包只認/usr/local/mysql這個路徑。
解決辦法:
方法1、建立軟連線
例 #cd /usr/local/mysql
#ln -s /sofware/mysql/bin/myslqd mysqld
方法2、修改mysqld_safe檔案(有強迫症的同學建議這種,我用的這種)
# vim /software/mysql/bin/mysqld_safe
將所有的/usr/local/mysql改為/software/mysql
儲存退出。(可以將這個檔案拷出來再修改然後替換)
13、登入mysql
#/software/mysql/bin/mysql -u root –p
14、輸入臨時密碼。臨時密碼就是第8條[email protected]:後面的內容
15、修改mysql的登入密碼
>mysql set password=password('root');
>mysql grant all privileges on *.* to [email protected]'%' identified by 'root';
>mysql flush privileges;
16、完成,此時mysql的登入名root 登入密碼root
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<div class="postDesc">posted @ <span id="post-date">2018-02-24 11:30</span> <a href="https://www.cnblogs.com/shizhongyang/">如若千夫所指</a> 閱讀(<span id="post_view_count">36782</span>) 評論(<span id="post_comment_count">4</span>) <a href="https://i.cnblogs.com/EditPosts.aspx?postid=8464876" rel="nofollow">編輯</a> <a href="#" onclick="AddToWz(8464876);return false;">收藏</a></div>
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<a href="#3934736" class="layer">#1樓</a><a name="3934736" id="comment_anchor_3934736"></a> <span class="comment_date">2018-03-27 13:49</span> <a id="a_comment_author_3934736" href="https://www.cnblogs.com/mr-wuxiansheng/" target="_blank">Mr_伍先生</a> <a href="http://msg.cnblogs.com/send/Mr_%E4%BC%8D%E5%85%88%E7%94%9F" title="傳送站內短訊息" class="sendMsg2This"> </a>
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<div id="comment_body_3934736" class="blog_comment_body">按照你的步驟執行到第13步之後,沒有跳出輸入密碼,提示錯誤<br><br> ERROR 1045 (28000): Access denied for user 'root'@'localhost'<br><br><br>期待你的回覆。。。</div><div class="comment_vote"><a href="javascript:void(0);" class="comment_digg" onclick="return voteComment(3934736,'Digg',this)">支援(1)</a><a href="javascript:void(0);" class="comment_bury" onclick="return voteComment(3934736,'Bury',this)">反對(0)</a></div><span id="comment_3934736_avatar" style="display:none;">http://pic.cnblogs.com/face/1036837/20170514101520.png</span>
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<a href="#4010976" class="layer">#2樓</a><a name="4010976" id="comment_anchor_4010976"></a>[<span class="louzhu">樓主</span>] <span class="comment_date">2018-07-02 18:48</span> <a id="a_comment_author_4010976" href="https://www.cnblogs.com/shizhongyang/" target="_blank">如若千夫所指</a> <a href="http://msg.cnblogs.com/send/%E5%A6%82%E8%8B%A5%E5%8D%83%E5%A4%AB%E6%89%80%E6%8C%87" title="傳送站內短訊息" class="sendMsg2This"> </a>
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<div id="comment_body_4010976" class="blog_comment_body"><a href="#3934736" title="檢視所回覆的評論" onclick="commentManager.renderComments(0,50,3934736);">@</a>
Mr_伍先生
輸入的密碼錯了…
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<a href="#4073924" class="layer">#3樓</a><a name="4073924" id="comment_anchor_4073924"></a> <span class="comment_date">2018-09-21 21:23</span> <a id="a_comment_author_4073924" href="https://www.cnblogs.com/Noliebe/" target="_blank">Noliebe</a> <a href="http://msg.cnblogs.com/send/Noliebe" title="傳送站內短訊息" class="sendMsg2This"> </a>
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<div id="comment_body_4073924" class="blog_comment_body">CentOS 7.3 64位<br>mysql-5.7.23-linux-glibc2.12-x86_64.tar.gz<br>已經安了兩天了..絕望了..我還是上包管理器吧.. 謝樓主好意..再見..<br><br>ERROR! <br>The server quit without updating PID file (/var/local/mysql/VM_0_3_centos.pid).</div><div class="comment_vote"><a href="javascript:void(0);" class="comment_digg" onclick="return voteComment(4073924,'Digg',this)">支援(0)</a><a href="javascript:void(0);" class="comment_bury" onclick="return voteComment(4073924,'Bury',this)">反對(0)</a></div><span id="comment_4073924_avatar" style="display:none;">http://pic.cnblogs.com/face/1284631/20171205174755.png</span>
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<a href="#4097811" class="layer">#4樓</a><a name="4097811" id="comment_anchor_4097811"></a><span id="comment-maxId" style="display:none;">4097811</span><span id="comment-maxDate" style="display:none;">2018/10/24 16:45:57</span> <span class="comment_date">2018-10-24 16:45</span> <a id="a_comment_author_4097811" href="http://home.cnblogs.com/u/1083309/" target="_blank">Hello-洋洋</a> <a href="http://msg.cnblogs.com/send/Hello-%E6%B4%8B%E6%B4%8B" title="傳送站內短訊息" class="sendMsg2This"> </a>
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<div id="comment_body_4097811" class="blog_comment_body">老哥,我轉載一下</div><div class="comment_vote"><a href="javascript:void(0);" class="comment_digg" onclick="return voteComment(4097811,'Digg',this)">支援(0)</a><a href="javascript:void(0);" class="comment_bury" onclick="return voteComment(4097811,'Bury',this)">反對(0)</a></div>
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