# The OpenBSD Cheatsheet

### Managing packages.

Installing packages

    pkg_add [pkgname(s)]


Uninstalling packages

    pkg_delete [pkgname(s)]


Do not forget to also wipe the dependencies.

    pkg_delete -a


Updating all packages

    pkg_add -u


Searching package(s) by name

    pkg_info -Q [name]


Getting package info

    pkg_info [pkgname]


Getting list of installed files of certain package

    pkg_info -L [pkgname]


Also read: `man pkg_add`

### System Upgrade

Non-free Firmware update

    fw_update


Updating firmwares with different mirror

    fw_update -p https://otherhost.com/path


Receiving patches

    syspatch


Receiving new system update.

    sysupgrade


### Managing Users

Adding user (yes. execute without any args)

    adduser


Deleting user

    userdel -r user
    groupdel user


Adding user to group

    usermod -G groupname user


Changing password

    passwd


Changing certain user password

    passwd user


Adding user to login class (Example: staff)

    usermod -L staff user


Changing username

    usermod -ml newname oldname


Changing user shell

    usermod -s /path/to/new/sh user


Also read: `man usermod`

### Managing services

Starting service

    rcctl start servicename


Checking service

    rcctl check servicename


Enabling service to start during boot

    rcctl enable servicename


Disabling service to start during boot

    rcctl disable servicename


Stopping service

    rcctl stop servicename


Restarting service

    rcctl restart servicename


Also read `man rcctl`

### Managing network

Do this first:

    ifconfig


Read the output..

Say, You want to connect to internet with `re0` interface with DHCP.

    doas ifconfig re0 autoconf


Making interface up

    doas ifconfig re0 up


Making interface down

    doas ifconfig re0 down


Also read: `man ifconfig`