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login(1) - OpenBSD manual pages

    https://man.openbsd.org/login.1
    The login utility logs users (and pseudo-users) into the computer system. If no user is specified, or if a user is specified and authentication of the user fails, login prompts for a user name. Authentication of users is normally done via passwords, though external authentication mechanisms may be used (see login.conf (5) ).
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    https://man.openbsd.org/login.1

login.conf(5) - OpenBSD manual pages

    https://man.openbsd.org/login.conf
    Feb 10, 2022 · OpenBSD uses BSD Authentication, which is made up of a variety of authentication styles. The authentication styles currently provided are: activ Authenticate using an ActivCard token. See login_activ (8). chpass Change user's password. See login_chpass (8). crypto Authenticate using a CRYPTOCard token. See login_crypto (8). lchpass
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    https://man.openbsd.org/login.conf

Auto login after boot on OpenBSD - Unix & Linux Stack Exchange

    https://unix.stackexchange.com/questions/188746/auto-login-after-boot-on-openbsd
    I know I can create an "auto login with a user" function on an OpenBSD desktop (using the default FVWM2 as WM) with: pkg_add slim ----- start-stop script # vi /etc/slim #!/bin/sh # # /etc/rc.d/slim: start/stop slim # case $1 in start) /usr/local/bin/slim -d ;; stop) kilall /usr/local/bin/slim ;; restart) $0 stop sleep 6 $0 start ;; *) echo "usage: $0 [start|stop|restart]" esac ----- Start at ...
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    https://unix.stackexchange.com/questions/188746/auto-login-after-boot-on-openbsd

login_ldap(8) - OpenBSD manual pages

    https://man.openbsd.org/login_ldap
    login_ldap (8) - OpenBSD manual pages NAME login_ldap — contact LDAP directory server for authentication SYNOPSIS login_ldap [ -d] [ -s service] [ -v name = value ] user [ class] DESCRIPTION The login_ldap utility contacts an LDAP server to authenticate a user. Available options are: -d Print debugging information. -s Specify the service.
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    https://man.openbsd.org/login_ldap

login_yubikey(8) - OpenBSD manual pages

    https://man.openbsd.org/login_yubikey.8
    The login_yubikey utility is called by login (1) , su (1) , ftpd (8), and others to authenticate the user with the Yubico one-time password (OTP) authentication mechanism. The options are as follows: -d Debug mode. Output is sent to the standard output instead of the BSD Authentication backchannel. -s service Specify the service.
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    https://man.openbsd.org/login_yubikey.8

openbsd : cannot login - UNIX

    https://www.unix.com/bsd/15141-openbsd-cannot-login.html
    Sep 18, 2004 · openbsd : cannot login. hi. OK. I don't know exactly what I did to system! The system is OpenBSD 3.5. It is 200MMX, 16MB ram 1.2 + 2.4 GB HDD. The system was running well. But a few days ago I try to unpack a big tar.gz file and the system uses most the cpu and ram for this. While the system unpacking the file I try to login from another tty ...
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    https://www.unix.com/bsd/15141-openbsd-cannot-login.html

OpenBSD PF: Logging

    https://www.openbsd.org/faq/pf/logging.html
    OpenBSD PF - Logging [Contents] Introduction Logging Packets Reading a Log File Filtering Log Output Introduction When a packet is logged by PF, a copy of the packet header is sent to a pflog (4) interface along with some additional data such as the interface the packet was transiting, the action that PF took (pass or block), etc.
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    https://www.openbsd.org/faq/pf/logging.html

xenodm(1) - OpenBSD manual pages

    https://man.openbsd.org/xenodm
    This specifies a program which is run (as root) before offering the Login window. This may be used to change the appearance of the screen around the Login window or to put up other windows (e.g., you may want to run xconsole (1) here). By default, no program is run. The conventional name for a file used here is Xsetup.
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    https://man.openbsd.org/xenodm

OpenBSD Laptop - FunctionallyParanoid.com

    https://functionallyparanoid.com/2020/10/14/openbsd-laptop/
    Hi, I know it's been a while. I recently had to nuke and re-pave my personal laptop and I thought it would be a nice thing to share with the community how I set up OpenBSD on it so that I have a useful, modern, secure environment for getting work done. I'm not going to…
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    https://functionallyparanoid.com/2020/10/14/openbsd-laptop/

OpenBSD FAQ: Keyboard and Display Controls

    https://www.openbsd.org/faq/faq7.html
    Configure OpenBSD to use your serial port as a console for status and single user mode. This part is very platform-dependent. Change /etc/ttys to get a login prompt Terminal sessions are controlled by the ttys (5) file. Before OpenBSD will give you a login: prompt at a device, it has to be enabled in /etc/ttys .
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    https://www.openbsd.org/faq/faq7.html

OpenBSD on a Laptop

    https://www.c0ffee.net/blog/openbsd-on-a-laptop/
    Just reboot to boot into your new OpenBSD installation. Network Setup Once you've logged in at the xenodm prompt, you'll be greeted by the default desktop environment, fvwm . (It's charming to say the least. Don't worry, we'll change it later.) Go ahead and run su in the xterm window to get a root shell.
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    https://www.c0ffee.net/blog/openbsd-on-a-laptop/

GeodSoft How-To Harden OpenBSD Login Banners

    http://www.geodsoft.com/howto/harden/OpenBSD/banners.htm
    Hardening OpenBSD Internet Servers Logon Banners Logon banners and system greetings usually provide information useful to intruders. Instead they should warn intruders against unauthorized access so all legal remedies may be persued against the intruders. Finding and changing OpenBSD logon banners is discussed here.
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    http://www.geodsoft.com/howto/harden/OpenBSD/banners.htm

slogin - OpenBSD

    https://nixdoc.net/man-pages/OpenBSD/man1/slogin.1.html
    OpenBSD Manual Page for: slogin (1) -- OpenSSH SSH client (remote login program) ... Login session and remote execution When the user's identity has been accepted by the server, the server either executes the given command, or logs into the machine and gives the user a normal shell on the remote machine. All communication with the remote ...
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    https://nixdoc.net/man-pages/OpenBSD/man1/slogin.1.html

new to openbsd - unable to log in on first bootup

    https://www.linuxquestions.org/questions/%2Absd-17/new-to-openbsd-unable-to-log-in-on-first-bootup-782826/
    I just installed the newest version of openBSD successfully, but when I go to boot for the first time it asks for login password As far as I know it did not ask me for a login name at setup. I try using the system name I gave and my password and all I get is "login incorrect" Thanks for your help
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OpenBSD FAQ: System Management

    https://www.openbsd.org/faq/faq10.html
    OpenBSD's main password file is located at /etc/master.passwd and is only readable by root. The pwd_mkdb (8) tool generates the world-readable /etc/passwd and the password databases ( /etc/pwd.db and /etc/spwd.db) from the main file. The format is described in passwd (5) . Always use vipw (8) to edit the password file.
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    https://www.openbsd.org/faq/faq10.html

login.conf - OpenBSD - nix Doc

    https://nixdoc.net/man-pages/OpenBSD/man5/login.conf.5.html
    The login.conf file describes the various attributes of login classes. A login class determines what styles of authentication are available as well as session resource limits and environment setup. While designed primarily for the login (1) program, it is also used by other programs, e.g., ftpd (8), to determine what means of authentication are ...
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    https://nixdoc.net/man-pages/OpenBSD/man5/login.conf.5.html

managing user accounts on openbsd - Reed Media

    http://bsdwiki.reedmedia.net/wiki/managing_user_accounts_on_openbsd.html
    Introduction. Creating user accounts on OpenBSD can be done either using the adduser script or the useradd program.. Here is an example of using the adduser script. ""#adduser Use option ``-silent'' if you don't want to see all warnings and questions.
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    http://bsdwiki.reedmedia.net/wiki/managing_user_accounts_on_openbsd.html

OpenBSD 3.4 Initial Login Problems - LinuxQuestions.org

    https://www.linuxquestions.org/questions/%2Absd-17/openbsd-3-4-initial-login-problems-210876/
    If you have any problems with the registration process or your account login, please contact us. If you need to reset your password, click here. Having a problem logging in? Please visit this page to clear all LQ-related cookies. Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells!
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OpenBSD/amd64

    https://www.openbsd.org/amd64.html
    OpenBSD amd64 OpenBSD/amd64 runs on AMD's Athlon-64 family of processors in 64-bit mode. It also runs on processors made by other manufacturers which have cloned the AMD64 extensions. Note that OpenBSD/i386 also runs on these processors, but in 32-bit mode. X Window System support is available for most graphics cards, using the X.Org server.
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    https://www.openbsd.org/amd64.html

LiveUSB with OpenBSD - Bootable OpenBSD for your USB stick

    http://liveusb-openbsd.sourceforge.net/
    OpenBSD base install comes with a fully functional DNS server, HTTP server, web browser, command line download with ftp (1) for HTTP and FTP with resume support and so on... You can login as user live and password live123 The root password is foo1729 . This is the non Xwindow version for geeks. Though there is no X, it still is way too powerful!
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    http://liveusb-openbsd.sourceforge.net/

How To Configure SSH Key-Based Authentication on a FreeBSD ...

    https://www.digitalocean.com/community/tutorials/how-to-configure-ssh-key-based-authentication-on-a-freebsd-server
    While there are several ways of logging into a FreeBSD server, this tutorial will focus on setting up and using SSH keys for authentication. How SSH Keys Work An SSH server can authenticate clients using a variety of methods. The most common methods include password and SSH key authentication.
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    https://www.digitalocean.com/community/tutorials/how-to-configure-ssh-key-based-authentication-on-a-freebsd-server

Authentication methods in OpenBSD - Linux.com

    https://www.linux.com/news/authentication-methods-openbsd/
    OpenBSD supports several authentication methods besides a simple password. Here are some ways you can keep your systems safe. This article is excerpted from the recently published book Secure Architectures with OpenBSD.. To use these alternate login methods, the username is changed and OpenBSD processes the authentication in the background.
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    https://www.linux.com/news/authentication-methods-openbsd/

IRCNow | Openbsd / login.conf

    https://wiki.ircnow.org/index.php?n=Openbsd.Loginconf
    OpenBSD/amd64 (example.ircnow.org) (tty00) login: root login: Failure to retrieve default class The way to fix this is to reboot the system into single user mode? as described in the OpenBSD FAQ:
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    https://wiki.ircnow.org/index.php?n=Openbsd.Loginconf

How do i login to FreeBSD LiveCD? - LinuxQuestions.org

    https://www.linuxquestions.org/questions/%2Absd-17/how-do-i-login-to-freebsd-livecd-216903/
    If no, do that! Quote: It's a boot cd all i should have to do is login but i can't find out how to. No it's not just a boot cd, it's a toolset to generate a custom live cd. I guess that's why you have no commands working, because you didn't put any of them on the cd, did you? Just read, and you will find out.
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