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CentOS新增硬盘，重新扫描总线 – Mr.Bobby – 博客园 (cnblogs.com)
CentOS新增硬盘，重新扫描总线 – Mr.Bobby – 博客园 (cnblogs.com)
rm -f /etc/ssh/*key*
>/etc/machine-id
systemctl stop rsyslog
/usr/bin/yum clean all
rm -rf /var/log/* /tmp/* .bash_history
unset HISTFILE
history -c
sys-unconfig