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2025-09-23 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Servers >
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The author waded in the water all afternoon.
Rpm-qa mariadb*
Yum remove mariadb-libs-5.5.56-2.el7.x86_64-y
Rpm-ivh mysql-community-common-5.7.9-1.el7.x86_64.rpm
Rpm-ivh mysql-community-libs-5.7.9-1.el7.x86_64.rpm
Rpm-ivh mysql-community-libs-compat-5.7.9-1.el7.x86_64.rpm
Rpm-ivh mysql-community-devel-5.7.9-1.el7.x86_64.rpm
Rpm-ivh mysql-community-client-5.7.9-1.el7.x86_64.rpm
Error:
[root@s153mysqlrpm] # rpm-ivh mysql-community-server-5.7.9-1.el7.x86_64.rpm
Warning: mysql-community-server-5.7.9-1.el7.x86_64.rpm: header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Error: dependency detection failed:
Net-tools is needed by mysql-community-server-5.7.9-1.el7.x86_64
[root@s153mysqlrpm] #
Solution:
Yum-yinstall net-tools
Rpm-ivh mysql-community-server-5.7.9-1.el7.x86_64.rpm
Problem: unblock with'mysqladmin flush-hosts'Connection closed by foreign host
Solution:
Http://www.cnblogs.com/susuyu/archive/2013/05/28/3104249.html
Mysql > start slave
ERROR1872 (HY000): Slave failed to initialize relay log info structure from therepository
Solution: be the master and follower again.
Stopslave
Resetslave
Changemaster to
Master_host='masterip'
Master_user='slave'
Master_password='123456'
Master_port=3306
Master_log_file='mysql-bin.000145'
Master_log_pos=193963694
Showslave status\ G reported an error
Got fatal error 1236 from master when readingdata from binary log:'a
Slave with the same server_uuid as this slavehas connected to the master
The first event 'mysql-bin.000155' at193963604, the last event read from
'. / mysql-bin.000155' at 123, the last byteread from'. / mysql-bin.000155' at 193963604.'
Showvariables like 'server_id'
Mv datadir/auto.cnf / tmp
Systemctl restart mysqld
Mainly copy auto.cnf repetition
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