查看所有rpm安装的包
rpm –qa
rpm –qa | grep mysql
input/output bus error linux bus error magic reboot echo 1 > /proc/sys/kernel/sysrq
echo b > /proc/sysrq-triggerThe first line is for enabling SysRq, and the second one is for rebooting.
See emergency reboot or shutdown with magic commands for more details.
Centos 5.4~5.5
CentOS5.4 升级到 5.5
1、先修改更新源为国内的更新源
# cd /etc/yum.repos.d
# mv CentOS-Base.repo CentOS-Base.repo.save
# wget http://centos.ustc.edu.cn/CentOS-Base.repo
2、清理残留文件然后更新标准库，再升级
# yum clean all # yum update glibc\* # yum update yum\* rpm\* python\* # yum clean all # yum update # reboot
Yum命令强制结束：
结束yum rm -f /var/run/yum.pid
/usr/local/webserver/php/sbin/php-fpm /usr/local/webserver/nginx/sbin/nginx -s reload /server/mysql/3306/mysql start /restart /stop
修复mysql表
cd /usr/local/webserver/mysql/bin
./myisamchk -c -r /server/mysql/3306/data/xx/xxx.MYI
1../myisamchk -c -r 数据库表MYI文件的路径(例如：/home/mysql/var/crawlerfeedsky/aaaa.MYI)
1.
如果还不行，就-f 强制修复 | 
