openbsd login conf twitter

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OpenBSD (@openbsd) | Twitter

    https://twitter.com/openbsd
    The latest tweets from @openbsd
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    https://twitter.com/openbsd

login.conf(5) - OpenBSD manual pages

    https://man.openbsd.org/login.conf
    Note that cap_mkdb(1) must be run after each edit of /etc/login.conf or the /etc/login.conf.d/${class} file to keep the database version in sync with the plain file.. CAPABILITIES. Refer to cgetent(3) for a description of the file layout. All entries in the login.conf file are either boolean or use a '=' to separate the capability from the value.
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    https://man.openbsd.org/login.conf

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

OpenBSD

    https://www.openbsd.org/
    The OpenBSD project produces a FREE , multi-platform 4.4BSD-based UNIX-like operating system. Our efforts emphasize portability, standardization, correctness, proactive security and integrated cryptography. As an example of the effect OpenBSD has, the popular OpenSSH software comes from OpenBSD. OpenBSD is freely available from our download sites.
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    https://www.openbsd.org/

OpenBSD Laptop - FunctionallyParanoid.com

    https://functionallyparanoid.com/2020/10/14/openbsd-laptop/
    From the settings gear icon, select "extend to edge…" and you should have a very serviceable dock that is quite similar to Ubuntu 20.04's. Finally, switch the terminal to "Green on Black" for a better look in the terminal. Pin your favorite apps to the dock and you should be good to go.
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    https://functionallyparanoid.com/2020/10/14/openbsd-laptop/

OpenBSD: After install - Astro-GR

    https://astro-gr.org/openbsd-after-install/
    /etc/login.conf. First, make sure you belong to the class (not group) staff: # user mod -L staff pau. Then give a bit more of RAM to programs # # Staff have fewer restrictions and can login even when nologins are set.
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    https://astro-gr.org/openbsd-after-install/

Recent developments in OpenBSD, 2022-02-21 summary

    https://discoverbsd.com/p/10c82fe48a
    Recent things of interest include: - The login class capability database now supports /etc/login.conf.d/$ {class}, and this is used by the ports system. - Thanks to some commits from Greg Steuck (gnezdo@), base now includes (optional) support for minimal runtime detection of undefined behaviour.
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    https://discoverbsd.com/p/10c82fe48a

LDAP Authentication on OpenBSD - Unix & Linux Stack Exchange

    https://unix.stackexchange.com/questions/174744/ldap-authentication-on-openbsd
    Because /etc/login.conf is a termcap-formatted file, you need to do 'cap_mkdb login.conf' for the login_ldap routines to actually see your configuration in the resulting /etc/login.conf.db file. This is different from other programs which use the termcap format but do not need it compiled into a database file, such as rtadvd.
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    https://unix.stackexchange.com/questions/174744/ldap-authentication-on-openbsd

OpenBSD webzine issue 7

    https://discoverbsd.com/p/08354302dc
    OpenZFS privilege delegation is an extremely powerful tool that enables system administrators to carefully provide unprivileged users the ability to manage ZFS datasets and zvols at an extremely precise level —with much finer control than would be possible with generic security tools like sudo or doas. Enjoying DiscoverBSD? There is more...
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    https://discoverbsd.com/p/08354302dc

Well, it's been a while - falling in love with OpenBSD ...

    https://functionallyparanoid.com/2019/03/13/well-its-been-a-while-falling-in-love-with-openbsd-again/
    After some tweaks to /etc/login.conf and /etc/sysctl.conf I was off to the races. Everything pulled down fine and I tested creating a new file in Linux and whammo - it showed up on the x230! So in conclusion, I now have my primary workflow reproduced on OpenBSD with the exception of the infernal "Skype for Business" that always forced me ...
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    https://functionallyparanoid.com/2019/03/13/well-its-been-a-while-falling-in-love-with-openbsd-again/

Installing OpenBSD 7 on Raspberry Pi 3 (and 4) - DEV Community

    https://dev.to/spacial/installing-openbsd-7-on-raspberry-pi-3-1f98
    OpenBSD You can dd to fill zeroes on first bytes or use fdisk to do it (assuming your disk is sd0 - BEWARE) [updated, using dd prefer always the raw device ]: # dd if=/dev/zero of=/dev/rsd0c bs=1m 1+0 records in 1+0 records out 2511872 bytes transferred in 0.034 secs (72095271 bytes/sec) or # fdisk -iy sd0 Writing MBR at offset 0.
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    https://dev.to/spacial/installing-openbsd-7-on-raspberry-pi-3-1f98

OpenBSD: More memory for Gimp - nix/bsd

    https://nixbsd.wordpress.com/2012/06/25/openbsd-more-memory-for-gimp/
    OpenBSD: More memory for Gimp. When working with Gimp crashes can ocurr due to limits in the memory available for proceses. In some forum I read about increase datasize limit for gtk crashes. I thinks it's the same issue and indeed, increasing it Gimp won't crash anymore (at least in my experience). 'login.conf' file must be edited.
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    https://nixbsd.wordpress.com/2012/06/25/openbsd-more-memory-for-gimp/

Authentication methods in OpenBSD - Linux.com

    https://www.linux.com/news/authentication-methods-openbsd/
    Welcome to OpenBSD: The proactively secure UNIX-like operating system. When asked for a username, we entered the username followed by a colon and then the login method we wanted to use, S/Key. The challenge and sequence followed. We chose to enter the passphrase with the echo on. FTP would work in the same way. $ ftp orion Connected to orion..
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    https://www.linux.com/news/authentication-methods-openbsd/

An OpenBSD E-Mail Server Using OpenSMTPD, Dovecot, Rspamd ...

    https://www.vultr.com/docs/an-openbsd-e-mail-server-using-opensmtpd-dovecot-rspamd-and-rainloop/
    It must be explicitly configured to listen on external interfaces. It should be configured to use virtual users instead of system users for security. Backup the default smtpd.conf file and create a new one from scratch. cd /etc/mail mv smtpd.conf smtpd.conf.default Create a new smtpd.conf as shown below. Replace example.com with your domain.
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    https://www.vultr.com/docs/an-openbsd-e-mail-server-using-opensmtpd-dovecot-rspamd-and-rainloop/

OpenBSD on a Laptop - c0ffee.net

    https://www.c0ffee.net/blog/openbsd-on-a-laptop/
    The default resource limits in OpenBSD are extremely conservative. For running modern applications like web browsers, we'll need to bump them up significantly. Use vi to modify the staff login class in /etc/login.conf as follows. /etc/login.conf
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    https://www.c0ffee.net/blog/openbsd-on-a-laptop/

How BSD Authentication Works

    https://discoverbsd.com/p/152b0b18e7
    Modules or, authentication "styles", are instead stand alone applications or scripts that communicate over IPC. The module has no ability to interfere with the parent and can very easily revoke permissions using pledge(2) or unveil(2). The BSD Authentication system of configured through login.conf(5).
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    https://discoverbsd.com/p/152b0b18e7

OpenBSD 6.9 - Help with the "Failed to install bootblocks ...

    https://functionallyparanoid.com/2021/07/12/openbsd-6-9-help-with-the-failed-to-install-bootblocks-issue/
    To do this, I always double-check the AnonCVS link from the OpenBSD website left navigation panel and follow the steps to: Pre-load the source tree (for src, sys, ports and xenocara) Follow the instructions to give your non-root user write access to the src, ports and xenocara directories
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    https://functionallyparanoid.com/2021/07/12/openbsd-6-9-help-with-the-failed-to-install-bootblocks-issue/

OpenBSD Upgrade 6.9 to 7.0 | OpenBSD Solutions Blog

    https://obsd.solutions/en/blog/2021/10/16/openbsd-upgrade-69-to-70/
    After all, you will see the login message including "OpenBSD 7.0 (GENERIC)". 3. Post-upgrade 3-1. sysmerge $ doas sysmerge rc.sysmergeran automatically in the previous process as shown. But running this command may be necessary. It sometimes requires manually merging conf files such as: /etc/ssh/sshd_config /etc/login.conf
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    https://obsd.solutions/en/blog/2021/10/16/openbsd-upgrade-69-to-70/

login.conf(5) rpasswd support removed?

    Hi, login.conf includes the following:... rpasswd Request a password and check it against the password in the rpasswd.db file. ... It seems that there's no reference to rpasswd.db in the current source code, except for the login.conf man page. Should this line be removed from login.conf?
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    https://www.mail-archive.com/misc@openbsd.org/msg117266.html

OpenBSD Upgrade 6.8 to 6.9 | OpenBSD Solutions Blog

    https://obsd.solutions/en/blog/2021/05/03/openbsd-upgrade-68-to-69/
    Summary Next OpenBSD release, 6.9, has been published on 1 May 2021 The OpenBSD project celebrates its 50th release with the release of 6.
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    https://obsd.solutions/en/blog/2021/05/03/openbsd-upgrade-68-to-69/

Configuring OpenBSD to use RADIUS auth - Michael Warren Lucas

    https://mwl.io/archives/1321
    OpenBSD uses BSD authentication, a competitor to PAM. The RADIUS auth process is documented in login_radius(8), but I'll walk through the basics. Configure your RADIUS server to allow access from your OpenBSD box, and assign it a shared secret. My RADIUS server is 192.0.2.2, and my secret is the string Insubordinate.
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    https://mwl.io/archives/1321

Creating secure wireless access points with OpenBSD and ...

    https://www.linux.com/news/creating-secure-wireless-access-points-openbsd-and-openvpn/
    Also add /usr/sbin/authpf to /etc/shells to add in the list of acceptable shells; for more info check login.conf (5) and chpass (1) man pages. Now create users with the adduser command, making sure to set authpf as their shell and login class. Also make sure to add these users to the AllowUsers line in /etc/ssh/sshd_config.
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    https://www.linux.com/news/creating-secure-wireless-access-points-openbsd-and-openvpn/

authentication - Authenticating OpenBSD against Active ...

    https://serverfault.com/questions/20202/authenticating-openbsd-against-active-directory
    This version of OpenBSD uses Heimdal 0.7.2. Everything here aside from the paths and login.conf stuff will probably work on other *nixes running the same Heimdal, but again, YMMV. Instructions These steps assume you are trying to authenticate [email protected] against the domain EXAMPLE.COM. The domain controller is pdc.EXAMPLE.COM.
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    https://serverfault.com/questions/20202/authenticating-openbsd-against-active-directory

OpenBSD DNS Server with unbound and nsd - jamsek

    https://jamsek.dev/posts/2019/Jul/28/openbsd-dns-server-with-unbound-and-nsd/
    Introduction. The default installation of OpenBSD comes with both unbound(8) and nsd(8); unbound is a validating, recursive, and caching DNS resolver that provides DNSSEC validation, while nsd is an authoritative name server that holds DNS records. The combination of the two running locally, means that name server lookups (i.e., requests to resolve domain names into IP addresses and vice versa ...
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    https://jamsek.dev/posts/2019/Jul/28/openbsd-dns-server-with-unbound-and-nsd/

Authenticate OpenBSD users on QNAP LDAP - TuM'Fatig

    https://www.tumfatig.net/2016/authenticate-openbsd-users-on-qnap-ldap/
    I wanted to share users authentication and permissions between the QNAP TS-453mini and my OpenBSD servers. An option is to enable and manage LDAP server on the QNAP and configure OpenBSD 6.0 to authenticate the users on the remote LDAP service.
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    https://www.tumfatig.net/2016/authenticate-openbsd-users-on-qnap-ldap/

OpenBSD templates with complete firewall and Tor ...

    https://garlicgambit.wordpress.com/2018/04/18/openbsd-templates-complete-firewall-tor-configurations/
    Upon first boot the custom installation will run a script once that will automatically reboot the system. After this is done you will see the login prompt and your system is ready for use. In the example we login with systemuser. To logout you type: exit; That's it. Quick overview of OpenBSD system management and diagnostics. Show syslog messages
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