ubuntu系统修改系统最大打开文件数的步骤
<p style='margin: 0px; padding: 5px 0px; outline: none; font-size: 14px; line-height: 30px; font-family: tahoma, arial, "Microsoft YaHei";'>第一步：配置/etc/security/limits.conf</p>
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sudo vim /etc/security/limits.conf<br>
文件尾追加 <br>
</p>
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<span><u>复制代码</u></span>
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<p>
代码如下:</p>
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* hard nofile 40960<br>
* soft nofile 40960</div>
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第二步：/etc/pam.d/su(官方)或/etc/pam.d/common-session(网络)</p>
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<span><u>复制代码</u></span>
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<p>
代码如下:</p>
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sudo vim /etc/pam.d/su</div>
<p>
<br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>将 pam_limits.so 这一行注释去掉 </span></p>
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<span><u>复制代码</u></span>
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<p>
代码如下:</p>
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sudo vim /etc/pam.d/common-session</div>
<p>
<br style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'><span style='font-family: tahoma, arial, "Microsoft YaHei"; font-size: 14px;'>加上以下一行</span></p>
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<span><u>复制代码</u></span>
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<p>
代码如下:</p>
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session required pam_limits.so</div>
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第三步：配置/etc/profile</p>
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最后一行加上<br>
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<span><u>复制代码</u></span>
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<p>
代码如下:</p>
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ulimit -SHn 40960</div>
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最后一步：重启</p>
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ulimit -n 验证，显示40960就ok了。</p>
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