適當的檔案目錄權限設定可以讓我們管理模組的安裝和更新時更為方便，無需透過 ftp 。
實作步驟
網站根目錄：/var/www/wordpress
操作人員帳號：david
<span class="line"><span style="color: #88C0D0">sudo</span><span style="color: #D8DEE9FF"> </span><span style="color: #A3BE8C">chown</span><span style="color: #D8DEE9FF"> </span><span style="color: #A3BE8C">-R</span><span style="color: #D8DEE9FF"> </span><span style="color: #A3BE8C">www-data:www-data</span><span style="color: #D8DEE9FF"> </span><span style="color: #A3BE8C">/var/www/wordpress</span></span>
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<span class="line"><span style="color: #88C0D0">sudo</span><span style="color: #D8DEE9FF"> </span><span style="color: #A3BE8C">adduser</span><span style="color: #D8DEE9FF"> </span><span style="color: #A3BE8C">david</span><span style="color: #D8DEE9FF"> </span><span style="color: #A3BE8C">www-data</span></span>
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<span class="line"><span style="color: #88C0D0">sudo</span><span style="color: #D8DEE9FF"> </span><span style="color: #A3BE8C">find</span><span style="color: #D8DEE9FF"> </span><span style="color: #A3BE8C">/var/www/wordpress</span><span style="color: #D8DEE9FF"> </span><span style="color: #A3BE8C">-type</span><span style="color: #D8DEE9FF"> </span><span style="color: #A3BE8C">d</span><span style="color: #D8DEE9FF"> </span><span style="color: #A3BE8C">-exec</span><span style="color: #D8DEE9FF"> </span><span style="color: #A3BE8C">chmod</span><span style="color: #D8DEE9FF"> </span><span style="color: #B48EAD">770</span><span style="color: #D8DEE9FF"> </span><span style="color: #A3BE8C">{}</span><span style="color: #D8DEE9FF"> </span><span style="color: #EBCB8B">\;</span></span>
<span class="line"><span style="color: #88C0D0">sudo</span><span style="color: #D8DEE9FF"> </span><span style="color: #A3BE8C">find</span><span style="color: #D8DEE9FF"> </span><span style="color: #A3BE8C">/var/www/wordpress</span><span style="color: #D8DEE9FF"> </span><span style="color: #A3BE8C">-type</span><span style="color: #D8DEE9FF"> </span><span style="color: #A3BE8C">f</span><span style="color: #D8DEE9FF"> </span><span style="color: #A3BE8C">-exec</span><span style="color: #D8DEE9FF"> </span><span style="color: #A3BE8C">chmod</span><span style="color: #D8DEE9FF"> </span><span style="color: #B48EAD">660</span><span style="color: #D8DEE9FF"> </span><span style="color: #A3BE8C">{}</span><span style="color: #D8DEE9FF"> </span><span style="color: #EBCB8B">\;</span></span>
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