0.客戶端登陸報(bào)錯
luobiaodeMacBook-Air:~ luobiao$ ssh root@39.101.204.8
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@? ? WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!? ? @
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IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
Someone could be eavesdropping on you right now (man-in-the-middle attack)!
It is also possible that a host key has just been changed.
The fingerprint for the ECDSA key sent by the remote host is
SHA256:jN2L7Ebd8ZV03ErBmMpGwHybqNBnLqOX0TTk9TbgzZs.
Please contact your system administrator.
Add correct host key in /Users/luobiao/.ssh/known_hosts to get rid of this message.
Offending ECDSA key in /Users/luobiao/.ssh/known_hosts:8
ECDSA host key for 39.101.204.8 has changed and you have requested strict checking.
Host key verification failed.
解決：
這里面缘揪，有一句很關(guān)鍵逼庞。
ECDSA host key for 39.101.204.8? has changed and you have requested strict checking.
Host key verification failed.
一般這個問題，是你重置過你的服務(wù)器后。你再次想訪問會出現(xiàn)這個問題输钩。
ssh-keygen -R??39.101.204.8?
1.安裝mysql報(bào)錯
mysqld: error while loading shared libraries: libaio.so.1: cannot open shared object file: No such file or directory
解決：
經(jīng)過百度說是缺少?libaio.so.1? 這個包.這個包是干什么的呢癌刽？
我也沒查看到灌旧？試試先安裝這個包莱衩。
yum -y install libaio??
安裝后，解決該問題趋艘。
2.[root@later01/errlog]# /etc/init.d/mysqld start?
Starting MySQL.2020-04-11T16:49:17.645735Z mysqld_safe error: log-error set to '/errlog/3306/mysql.log', however file don't exists. Create writable for user 'mysql'.
解決： 創(chuàng)建日志文件并賦權(quán)?
[root@later01/errlog/3306]# echo "" > mysql.log?
[root@later01/errlog/3306]# chown -R mysql.mysql /errlog/
3.2020-04-11T16:52:12.084460Z 0 [ERROR] InnoDB: The innodb_system data file './ibdata1' is of a different size 768 pages (rounded down to MB) than the 4864 pages specified in the .cnf file!
解決：注釋my.cnf 中的
#innodb_data_file_path=ibdata1:76M;ibdata2:100M;ibdata3:100M:autoextend
