ubuntu查看创建的用户来自那里

ubuntu:24

 

root@mysql01-ubuntu:/home# strace -e open,openat getent passwd hxl 2>&1 | grep -E 'nss|passwd|sss|ldap|winbind'
openat(AT_FDCWD, "/etc/nsswitch.conf", O_RDONLY|O_CLOEXEC) = 3
openat(AT_FDCWD, "/etc/passwd", O_RDONLY|O_CLOEXEC) = 3
openat(AT_FDCWD, "/lib/x86_64-linux-gnu/libnss_systemd.so.2", O_RDONLY|O_CLOEXEC) = 3
openat(AT_FDCWD, "/lib/x86_64-linux-gnu/libnss_sss.so.2", O_RDONLY|O_CLOEXEC) = 3
openat(AT_FDCWD, "/var/lib/sss/mc/passwd", O_RDONLY|O_CLOEXEC) = 3
root@mysql01-ubuntu:/home#
root@mysql01-ubuntu:/home#
root@mysql01-ubuntu:/home# getent -s files passwd hxl
root@mysql01-ubuntu:/home# getent -s systemd passwd hxl
root@mysql01-ubuntu:/home# getent -s sss passwd hxl
hxl:*:123:123:huangxl:/home/hxl:/bin/sh
root@mysql01-ubuntu:/home# getent -s winbind passwd lianghuoqiu

 

上面的输出说明来自：sss