unix haters handbook说:
/etc/getty, which asks for your username, and /bin/login, which asks for your pass-
word, are no different from any other program. They are just programs.
They happen to be programs that ask you for highly confidential and sensi-
tive information to verify that you are who you
我的系统是一个基于英特尔的Atom板,没有视频卡,通信可以通过串口(以115200的速率)和以太网端口进行。我通过PXE安装了CentOS,安装后系统第一次重新启动。下面是通过串行控制台输出的最后一行。之后,在通过键盘输入时对响应进行响应。
[ OK ] Started Notify NFS peers of a restart.
[ OK ] Started Logout off all iSCSI sessions on shutdown.
[ OK ] Reached target Remote File Systems (Pre).
[ OK ] Reached tar
有时,我发现从桌面切换到终端非常方便。然而,最近我失去了使用ctrl和chvt切换vt的能力,其中x是从1到12.Ubuntu 15.10之间的任意值。
# systemctl status getty@tty1.service
● getty@tty1.service - Getty on tty1
Loaded: loaded (/lib/systemd/system/getty@.service; enabled; vendor preset: enabled)
Active: active (running) since zo 2016-02-28 13:11:10 CET
我可以登录到我的机器(FreeBSD 9.1-版本)为任何用户(例如:root或operator或任何存在于/etc/passwd中的任何)使用任何随机密码,我键入.
我试图用root重新设置passwd密码,但是如果我尝试登录,我可以用我输入的任意密码登录.真奇怪。
只有当我直接从tty登录时,这才有效。当尝试通过SSH登录时,一切都是应该的--我需要给出正确的密码才能登录。怎么解决这个问题?
编辑:/etc/ttys的内容:
# name getty type status comments
#
# If con
我发现,在/etc/inittab中,对用户u的修改(-a username)禁用了所有tty的登录/密码检查:S:
1:2345:respawn:/sbin/getty -a u 38400 tty1
2:23:respawn:/sbin/getty -a u 38400 tty2
3:23:respawn:/sbin/getty -a u 38400 tty3
4:23:respawn:/sbin/getty -a u 38400 tty4
5:23:respawn:/sbin/getty -a u 38400 tty5
6:23:respawn:/sbin/getty -a u 3840
我目前在yocto上工作,在rootfs期间它会出现登录提示,我不想做登录。
i want to have autologin support How can i add autologin support in yocto
Already tried with "allow-empty-password"
and "debug-tweaks", which is useful for empty password not empty login or autologin