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为什么OpenWrt的根密码最大长度为8个字符?
当我尝试设置root的密码时: root@OpenWrt:~# passwd Changing password for root Enter the new password (minimum of 5, maximum of 8 characters) Please use a combination of upper and lower case letters and numbers. 似乎最大长度为8。如果我尝试设置的密码长于8,则仅前8个字符有效。如何设置更长的密码root? 我的OpenWrt版本: Linux OpenWrt 4.14.108 #0 SMP Wed Mar 27 21:59:03 2019 x86_64 GNU/Linux