[[email protected] mysql]# ./bin/mysql_install_db --user=mysql
Installing MySQL system tables...
OK
Filling help tables...
OKTo start mysqld at boot time you have to copy
support-files/mysql.server to the right place for your systemPLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER !
To do so, start the server, then issue the following commands:/document/mysql/bin/mysqladmin -u root password 'new-password'
/document/mysql/bin/mysqladmin -u root -h LingShu.cn password 'new-password'Alternatively you can run:
/document/mysql/bin/mysql_secure_installationwhich will also give you the option of removing the test
databases and anonymous user created by default.  This is
strongly recommended for production servers.See the manual for more instructions.You can start the MySQL daemon with:
cd /document/mysql ; /document/mysql/bin/mysqld_safe &You can test the MySQL daemon with mysql-test-run.pl
cd /document/mysql/mysql-test ; perl mysql-test-run.plPlease report any problems with the /document/mysql/bin/mysqlbug script![

[email protected] mysql]# ls
bin  docs  include  lib  libexec  mysql-test  share  sql-bench
[[email protected] mysql]# ./bin/mysql_install_db --datadir=./var --user=mysql   #指定目錄
Installing MySQL system tables...
OK
Filling help tables...
OKTo start mysqld at boot time you have to copy
support-files/mysql.server to the right place for your systemPLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER !
To do so, start the server, then issue the following commands:/document/mysql/bin/mysqladmin -u root password 'new-password'
/document/mysql/bin/mysqladmin -u root -h LingShu.cn password 'new-password'Alternatively you can run:
/document/mysql/bin/mysql_secure_installationwhich will also give you the option of removing the test
databases and anonymous user created by default.  This is
strongly recommended for production servers.See the manual for more instructions.You can start the MySQL daemon with:
cd /document/mysql ; /document/mysql/bin/mysqld_safe &You can test the MySQL daemon with mysql-test-run.pl
cd /document/mysql/mysql-test ; perl mysql-test-run.plPlease report any problems with the /document/mysql/bin/mysqlbug script![

[email protected] mysql]# ls
bin  docs  include  lib  libexec  mysql-test  share  sql-bench  var    #生成了var目錄
[[email protected] mysql]# ll
總用量 8
drwxr-xr-x  2 mysql mysql 4096 4月  21 22:33 bin
drwxr-xr-x  2 mysql mysql   41 4月  21 22:32 docs
drwxr-xr-x  3 mysql mysql   19 4月  21 22:32 include
drwxr-xr-x  3 mysql mysql   19 4月  21 22:32 lib
drwxr-xr-x  2 mysql mysql   40 4月  21 22:33 libexec
drwxr-xr-x 10 mysql mysql  218 4月  21 22:33 mysql-test
drwxr-xr-x  5 mysql mysql   45 4月  21 22:33 share
drwxr-xr-x  5 mysql mysql 4096 4月  21 22:33 sql-bench
drwx------  4 mysql root    31 4月  21 22:55 var
[

[email protected] mysql]# chown mysql:mysql var/     #更改屬主屬組
[[email protected] mysql]# ll
總用量 8
drwxr-xr-x  2 mysql mysql 4096 4月  21 22:33 bin
drwxr-xr-x  2 mysql mysql   41 4月  21 22:32 docs
drwxr-xr-x  3 mysql mysql   19 4月  21 22:32 include
drwxr-xr-x  3 mysql mysql   19 4月  21 22:32 lib
drwxr-xr-x  2 mysql mysql   40 4月  21 22:33 libexec
drwxr-xr-x 10 mysql mysql  218 4月  21 22:33 mysql-test
drwxr-xr-x  5 mysql mysql   45 4月  21 22:33 share
drwxr-xr-x  5 mysql mysql 4096 4月  21 22:33 sql-bench
drwx------  4 mysql mysql   31 4月  21 22:55 var
[[email protected] mysql]# ./bin/mysqld_safe --user=mysql&    #啟動
[1] 66265
[[email protected] mysql]# 180421 22:57:35 mysqld_safe Logging to '/var/log/mariadb/mariadb.log'.
touch: 無法建立"/var/log/mariadb/mariadb.log": 沒有那個檔案或目錄
chown: 無法訪問"/var/log/mariadb/mariadb.log": 沒有那個檔案或目錄
180421 22:57:36 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
./bin/mysqld_safe:行100: /var/log/mariadb/mariadb.log: 沒有那個檔案或目錄
./bin/mysqld_safe:行137: /var/log/mariadb/mariadb.log: 沒有那個檔案或目錄
180421 22:57:36 mysqld_safe mysqld from pid file /var/run/mariadb/mariadb.pid ended
./bin/mysqld_safe:行100: /var/log/mariadb/mariadb.log: 沒有那個檔案或目錄[1]+  退出 1                ./bin/mysqld_safe --user=mysql
[[email protected] mysql]#      #啟動失敗，不知道是什麼原因。那位大神遇到過？？？求解答