
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.
解决:
这里面,有一句很关键。
ECDSA host key for 39.101.204.8 has changed and you have requested strict checking.
Host key verification failed.
一般这个问题,是你重置过你的服务器后。你再次想访问会出现这个问题。
ssh-keygen -R 39.101.204.8
1.安装mysql报错
mysqld: error while loading shared libraries: libaio.so.1: cannot open shared object file: No such file or directory
解决:
经过百度说是缺少 libaio.so.1 这个包.这个包是干什么的呢?
我也没查看到?试试先安装这个包。
yum -y install libaio
安装后,解决该问题。
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'.
解决: 创建日志文件并赋权
[ 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!
解决:注释my.cnf 中的
#innodb_data_file_path=ibdata1:76Mibdata2:100Mibdata3:100M:autoextend
不降级是好的。如果从一个版本系列降级到另一个版本系列,则表存储格式中可能存在不兼容。在这种情况下,使用mysqldump在降级之前转储表。降级后,使用mysql或mysqlimport重新加载转储文件以重新创建表。降级时向下不兼容表格式更改的典型症状是无法打开表。在vs2013中使用MySQL连接entityFramework经常会遇到这个问题:您的项目引用了最新实体框架;但是,找不到数据连接所需的与版本兼容的实体框架数据提供程序。请退出此向导,安装兼容提供程序,重新生成您的项目,然后再执行 *** 作欢迎分享,转载请注明来源:内存溢出
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