免费用的云服务器是什么_CentOS系统磁盘空间占满清空系统日志方法

使用CentOS系统的系统系统时候，常常会遇到系统日志文件非常大导致磁盘空间占满的磁盘免费用的云服务器是什么情况，如果直接移除，空间免费云服务器推荐下载会导致日志谬误，占满免费云服务器推荐哪个不再生成日志，清空免费云服务器推荐知乎这时，日志免费用的云服务器我们可以使用下面的系统系统方法清空日志。

磁盘查看硬盘占用 <span class="hljs-attribute">df</span> -h <span class="hljs-attribute">df</span> -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 <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.log cat /dev/null > /var/log/btmp cat /dev/null > /var/log/cron cat /dev/null > /var/log/dmesg cat /dev/null > /var/log/dracut.log cat /dev/null > /var/log/lastlog cat /dev/null > /var/log/maillog cat /dev/null > /var/log/messages cat /dev/null > /var/log/secure cat /dev/null > /var/log/spooler cat /dev/null > /var/log/tallylog cat /dev/null > /var/log/wtmp cat /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/<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.log cat /dev/null > /var/log/btmp cat /dev/null > /var/log/cron cat /dev/null > /var/log/dmesg cat /dev/null > /var/log/firewalld cat /dev/null > /var/log/grubby cat /dev/null > /var/log/lastlog cat /dev/null > /var/log/mail.info cat /dev/null > /var/log/maillog cat /dev/null > /var/log/messages cat /dev/null > /var/log/secure cat /dev/null > /var/log/spooler cat /dev/null > /var/log/syslog cat /dev/null > /var/log/tallylog cat /dev/null > /var/log/wpa_supplicant.log cat /dev/null > /var/log/wtmp cat /dev/null > /var/log/yum.log 内容看完了

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