0.客戶端登陸報(bào)錯(cuò)
luobiaodeMacBook-Air:~ luobiao$ ssh root@39.101.204.8
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@? ? WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!? ? @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
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，有一句很關(guān)鍵。
ECDSA host key for 39.101.204.8? has changed and you have requested strict checking.
Host key verification failed.
一般這個(gè)問(wèn)題，是你重置過(guò)你的服務(wù)器后。你再次想訪問(wèn)會(huì)出現(xiàn)這個(gè)問(wèn)題。
ssh-keygen -R??39.101.204.8?
1.安裝mysql報(bào)錯(cuò)
mysqld: error while loading shared libraries: libaio.so.1: cannot open shared object file: No such file or directory
解決：
經(jīng)過(guò)百度說(shuō)是缺少?libaio.so.1? 這個(gè)包.這個(gè)包是干什么的呢？
我也沒(méi)查看到？試試先安裝這個(gè)包。
yum -y install libaio??
安裝后，解決該問(wèn)題。
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
