archlinux开启指纹登陆

1. 安装 fprintd

   sudo pacman -S fprintd --noconfirm
   

   resolving dependencies...
   looking for conflicting packages...
   
   Packages (2) libfprint-0.7.0-1  fprintd-0.8.0-1
   
   Total Download Size:   0.23 MiB
   Total Installed Size:  0.95 MiB
   
   :: Proceed with installation? [Y/n] 
   :: Retrieving packages...
    libfprint-0.7.0-1-x...     0.0   B  0.00B/s 00:00 [----------------------]   0%
    libfprint-0.7.0-1-x...   109.7 KiB   164K/s 00:00 [###############-------]  72%
    libfprint-0.7.0-1-x...   152.0 KiB   661K/s 00:00 [######################] 100%
    fprintd-0.8.0-1-x86_64     0.0   B  0.00B/s 00:00 [----------------------]   0%
    fprintd-0.8.0-1-x86_64    82.6 KiB  2.02M/s 00:00 [######################] 100%
   (0/2) checking keys in keyring                     [----------------------]   0%
   (1/2) checking keys in keyring                     [###########-----------]  50%
   (2/2) checking keys in keyring                     [######################] 100%
   (0/2) checking package integrity                   [----------------------]   0%
   (1/2) checking package integrity                   [##############--------]  64%
   (2/2) checking package integrity                   [######################] 100%
   (0/2) loading package files                        [----------------------]   0%
   (1/2) loading package files                        [##############--------]  64%
   (2/2) loading package files                        [######################] 100%
   (0/2) checking for file conflicts                  [----------------------]   0%
   (1/2) checking for file conflicts                  [###########-----------]  50%
   (2/2) checking for file conflicts                  [######################] 100%
   (0/2) checking available disk space                [----------------------]   0%
   (1/2) checking available disk space                [###########-----------]  50%
   (2/2) checking available disk space                [######################] 100%
   :: Processing package changes...
   (1/2) installing libfprint                         [----------------------]   0%
   (1/2) installing libfprint                         [######################] 100%
   (2/2) installing fprintd                           [----------------------]   0%
   (2/2) installing fprintd                           [######################] 100%
   :: Running post-transaction hooks...
   (1/3) Reloading system manager configuration...
   (2/3) Reloading device manager configuration...
   (3/3) Arming ConditionNeedsUpdate...
   

2. 运行 fprintd-enroll 录入指纹信息，默认是为当前用户录入右食指指纹

   fprintd-enroll
   

   不过你也可以用 -f 选项指定录入哪个手指的指纹

   for finger in {left,right}-{thumb,{index,middle,ring,little}-finger};
   do
       fprintd-enroll -f "$finger"
   done
   

3. 使用 fprintd-verify 可以验证录入的指纹

   使用 fprintd-list 查看已经录入的指纹

   使用 fprintd-delete 删除已经录入的指纹

4. 配置 /etc/pam.d/system-local-login 中的本地登陆认证方法

   在第一行加上 auth sufficient pam_fprintd.so 表示优先使用指纹登陆

   sed -i  "/^$/aauth      sufficient pam_fprintd.so" /etc/pam.d/system-local-login
   

#%PAM-1.0

auth      sufficient pam_fprintd.so
auth      include   system-login
account   include   system-login
password  include   system-login
session   include   system-login