阿里云ESC linux服务器日常安全运维常用命令
<p>阿里云ESC linux服务器日常安全运维常用命令：</p>
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常用功能</th>
<th class="col-operate-cmd">
命令详情</th>
<th class="col-operate-desc">
适用说明</th>
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查看进程，按内存从大到小</td>
<td class="col-operate-cmd">
<table class="table table-hover"><tbody><tr class="ng-scope" data-ng-if="!loadingState" data-ng-repeat="item in store">
<td class="col-operate-cmd">
ps -e -o “%C : %p : %z : %a”|sort -k5 -nr</td>
</tr></tbody></table>
</td>
<td class="col-operate-desc">
适用Linux系统</td>
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<td>
查看进程，按CPU利用率从大到小排序</td>
<td class="col-operate-cmd">
ps -e -o “%C : %p : %z : %a”|sort -k5 -nr</td>
<td class="col-operate-desc">
适用Linux系统</td>
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<td>
查看剩余内存</td>
<td class="col-operate-cmd">
free -m |grep “Mem” | awk “{print $2}”</td>
<td class="col-operate-desc">
适用Linux系统</td>
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<td>
查看磁盘占用</td>
<td class="col-operate-cmd">
df -h</td>
<td class="col-operate-desc">
适用Linux系统</td>
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<tr class="ng-scope" data-ng-if="!loadingState" data-ng-repeat="item in store">
<td>
获取环境变量中path路径</td>
<td class="col-operate-cmd">
echo ${PATH}</td>
<td class="col-operate-desc">
获取agent执行脚本时的环境变量中path路径</td>
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<p>
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