CentOS系统磁盘空间占满清空系统日志计划_root工具哪个最强

使用CentOS系统的系统系统时候，经常会遇到系统日志文件非常大导致磁盘空间占满的磁盘root工具哪个最强情况，如果直接删除 ，空间光遇外挂软件ios会导致日志错误，占满光遇外挂小懒猫不再裸露日志 ，清空光遇外挂电脑版这时 ，日志光遇外挂都有什么我们可以使用下面的计划计划清空日志。

查校验硬盘占用

<span class="hljs-attribute">df</span> -h
df -h
df -h

CentOS 6系统

<a target="_blank" href="https://www.kaiyuanyuanma.com/tag/790.html" title="View all posts in cat">cat</a> /<a target="_blank" href="https://www.kaiyuanyuanma.com/tag/791.html" title="View all posts in dev">dev</a>/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/<a target="_blank" href="https://www.kaiyuanyuanma.com/tag/789.html" title="View all posts in log">log</a>/boot.log
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/btmp
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/cron
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/dmesg
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/dracut.log
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/lastlog
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/maillog
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/messages
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/secure
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/spooler
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/tallylog
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/wtmp
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/yum.log
cat /dev/null > /var/log/boot.logcat /dev/null > /var/log/btmpcat /dev/null > /var/log/croncat /dev/null > /var/log/dmesgcat /dev/null > /var/log/dracut.logcat /dev/null > /var/log/lastlogcat /dev/null > /var/log/maillogcat /dev/null > /var/log/messagescat /dev/null > /var/log/securecat /dev/null > /var/log/spoolercat /dev/null > /var/log/tallylogcat /dev/null > /var/log/wtmpcat /dev/null > /var/log/yum.log
cat /dev/null > /var/log/boot.logcat /dev/null > /var/log/btmpcat /dev/null > /var/log/croncat /dev/null > /var/log/dmesgcat /dev/null > /var/log/dracut.logcat /dev/null > /var/log/lastlogcat /dev/null > /var/log/maillogcat /dev/null > /var/log/messagescat /dev/null > /var/log/securecat /dev/null > /var/log/spoolercat /dev/null > /var/log/tallylogcat /dev/null > /var/log/wtmpcat /dev/null > /var/log/yum.log

CentOS 7系统

cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/boot.log
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/btmp
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/cron
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/dmesg
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/firewalld
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/grubby
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/lastlog
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/mail.info
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/maillog
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/messages
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/secure
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/spooler
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/syslog
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/tallylog
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/wpa_supplicant.log
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/wtmp
cat /dev/<span class="hljs-literal">null</span>> /<span class="hljs-keyword">var</span>/log/yum.log
cat /dev/null > /var/log/boot.logcat /dev/null > /var/log/btmpcat /dev/null > /var/log/croncat /dev/null > /var/log/dmesgcat /dev/null > /var/log/firewalldcat /dev/null > /var/log/grubbycat /dev/null > /var/log/lastlogcat /dev/null > /var/log/mail.infocat /dev/null > /var/log/maillogcat /dev/null > /var/log/messagescat /dev/null > /var/log/securecat /dev/null > /var/log/spoolercat /dev/null > /var/log/syslogcat /dev/null > /var/log/tallylogcat /dev/null > /var/log/wpa_supplicant.logcat /dev/null > /var/log/wtmpcat /dev/null > /var/log/yum.log
cat /dev/null > /var/log/boot.logcat /dev/null > /var/log/btmpcat /dev/null > /var/log/croncat /dev/null > /var/log/dmesgcat /dev/null > /var/log/firewalldcat /dev/null > /var/log/grubbycat /dev/null > /var/log/lastlogcat /dev/null > /var/log/mail.infocat /dev/null > /var/log/maillogcat /dev/null > /var/log/messagescat /dev/null > /var/log/securecat /dev/null > /var/log/spoolercat /dev/null > /var/log/syslogcat /dev/null > /var/log/tallylogcat /dev/null > /var/log/wpa_supplicant.logcat /dev/null > /var/log/wtmpcat /dev/null > /var/log/yum.log