.Dd Created:2025-10-03|Updated:2025-11-10|
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.Dt OPENBSD oh
.Os OpenBSD 7.7|
.Nm openbsd
.Nd index and usage
.Tg index
.Bl -column -offset indent ".Sy Xr roff_supported oh " ".Sy 2025-12-12 " ".Sy roff_supported (oh) "
.It Li Xr linux_to_openbsd oh Ta : Differences between linux and OpenBSD.
.It Li Xr vm oh Ta : OpenBSD vmm - configuration and usage.
.It Li Xr make oh Ta : OpenBSD make.
.It Li Xr pf oh Ta : Configuration and usage.
.It Li Xr web oh Ta : index and setup.
.It - Li Xr httpd oh Ta : OpenBSD's httpd - setup.
.It - Li Xr cgi oh Ta : Using CGI with httpd.
.It - Li Xr ssl oh Ta : creating ssl certificate and httpd configuration.
.It Li Xr documentation oh Ta : index and usage.
.It - Li Xr mdoc oh Ta : OpenBSD mdoc format - usage and examples (WIP)
.It -- Li Xr mdoc_list_examples oh Ta : OpenBSD mdoc examples - lists.
.It - Li Xr mandoc oh Ta : mandoc usage.
.It - Li Xr roff oh Ta : mdoc compatible roff macros.
.El
.Sh INSTALL
.Ss network
interfaces are named based on the drivers: iwn0 (wlan) , re0(eth), vlan0
.Ss disk partition
As with network, disks are named based on the drivers: wdNP , sdNP. Eg.: wd0a (disk 0, partition letter a). 
.Pp
Using an existing disk with allocated partitions
.obdi h help
.oit z to delete all partitions
.oit A to autoallocate
.oit p g to print the partitions showing size in GB
.oit Autoallocation can leave unused space at the end of the disk which can be manually allocated.
.Ss install_packages
.Bl -enum -compact
.oit using usb
.oit select disk
.oit sd1 should be selected, else set it
.El
.Sh ETC EXAMPLES
Example files can be found at /etc/examples, they can be used for reference.
.onote NOTE: Make sure only necessary lines are uncommented when copying to /etc.
.Sh NOTEBOOK
turning off suspend on lid close
.obdi manually
.Dl sysctl machdep.lidaction=0
.oit at startup
.Dl cp /etc/examples/sysctl.conf /etc/
uncomment the line
.Dl machdep.lidaction=0
.Sh TODO
.obdi create a vm to follow current.
.El
.Sh UPGRADE
.Bl -enum -compact
.It
.Dl sysupgrade
.It
Reboot (this is automatic)
.It
.Dl sysmerge
.It
.Dl pkg_add -u
.It
.Dl syspatch -l
.It
If patches need to be applied and have been verified.
.Dl syspatch
.El
.Ss sysmerge
Running
.Li syspatch -b
leaves files that differ available for later comparison at /tmp/sysmerge.xxxxxxx.
.Ss vm
When upgrading a vm, the vm may need to be started manually to complete the upgrade as it may be stopped instead of rebooted.
.Sh SEE ALSO
.oxr linux_to_openbsd oh
.Xr user_management oh
.opsy OpenBSD manpages:
.oxr sysctl 8
.oxr bsd.re-config 5
.oxr sysupgrade 8
.oxr sysmerge 8
.oxr pkg_add 1
.Xr syspatch 8
.El
.Ss links
.obc2
.It - Lk https://www.openbsd.org/ OpenBSD
.It - Lk https://www.openbsd.org/77.html OpenBSD 7.7 (Previous Release)
.It - Lk https://www.openbsd.org/78.html OpenBSD 7.8 (Current Release - 2025-10-22)
.It - Lk https://www.openbsd.org/faq/upgrade78.html Upgrade Guide: 7.7 to 7.8
.It - Lk https://www.openbsd.org/faq/index.html OpenBSD FAQ
.It - Lk https://openports.pl/ openports.pl
.It - Lk https://www.k58.uk/openbsd.html Running OpenBSD 7.8 is really hard (not)
.El
.Sh AUTHORS
.An -nosplit
.Xr ohazot oh |
.Xr about oh |
.Lk https://ohazot.com ohazot.com
.Aq Mt admin@ohazot.com