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Text:	<p>This article illustrates a fresh install of FreeBSD 15.0.</p> <p>Take a full backup or create a snapshot before upgrading.</p> <p>The whole upgrade process will take about 20-30 minutes.</p> <h3 class="mt-4">Get the Software and Create a Bootable USB Stick</h3> <p>change the directory and wget the software:<br> <kbd>cd Downloads</kbd><br> <kbd>wget https://download.freebsd.org/releases/amd64/amd64/ISO-IMAGES/15.0/FreeBSD-15.0-RC3-amd64-memstick.img</kbd><br> <samp>2025-11-22 08:51:24 (74.4 MB/s) - ‘FreeBSD-15.0-RC3-amd64-memstick.img’ saved [1560138240/1560138240] </samp><br><br> Get the device name for USB drive:<br> <kbd>fdisk -l</kbd><br> <samp>Disk /dev/sdc: 1.93 GiB, 2076704768 bytes, 4056064 sectors Disk model: Flash Disk Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: gpt </samp><br> <kbd>sudo umount /dev/sdc</kbd><br> <samp>umount: /dev/sdc: not mounted</samp><br> <kbd>sudo dd if=FreeBSD-15.0-RC3-amd64-memstick.img of=/dev/sdc bs=4M status=progress conv=fdatasync</kbd><br> <samp>371+1 records in 371+1 records out 1560138240 bytes (1.6 GB, 1.5 GiB) copied, 455.031 s, 3.4 MB/s </samp> </p> <h3 class="mt-4">Install FreeBSD 15</h3> <p>The questions have been answered as follows:</p> <samp>Welcome toFreeBSD: <kbd>1. Boot Installer</kbd><br> Welcome:<kbd>Install</kbd><br> Keymap:<kbd>selecte and test</kbd><br> Set Hostname: <kbd>HP15</kbd><br> Installation Type: <kbd>Distribution Sets</kbd><br> Network Configuration:<kbd>Auto</kbd><br> Partitioning: <kbd>Auto (ZFS)</kbd><br> ZFS configuration:<kbd>Accept defaults</kbd><br> Virtual Device Typ: <kbd>stripe</kbd><br> Mirror Selection:<kbd>select nearest server</kbd><br> Time Zone:<kbd>Europe</kbd><br> System Config - start at boot</kbd>ntpd_sync_on_start</kbd><br> Firmware:<kbd>select all</kbd><br> Add User Accounts:<kbd>Yes</kbd><br> Final Configuration<kbd>Finish</kbd><br> Complete<kbd>Remove stick - reboot</kbd><br> </samp> <h3 class="mt-4">Wayland on FreeBSD 15</h3> <samp> login with root<br> add user to group video:<kbd>pw groupmod video -m username</kbd><br> Install required software:<kbd>pkg install wayland seatd</kbd><br> <kbd>sysrc seatd_enable="YES"</kbd><br> <kbd>service seatd start</kbd><br> </samp> <h3 class="mt-4">Install KDE on FreeBSD 15</h3> <p> <kbd>pkg install kde</kbd><br> <kbd>pkg install xinit</kbd><br> <kbd>pkg install drm-kmod</kbd><br> <kbd>pkg install sddm</kbd><br> <kbd>sysrc dbus_enable="YES"</kbd><br> <kbd>sysctl net.local.stream.recvspace=65536</kbd><br> <kbd>sysctl net.local.stream.sendspace=65536</kbd><br> <kbd>sysrc sddm_enable="YES"</kbd><br> <kbd>sysrc sddm_lang="de_CH"</kbd><br> <kbd>pciconf -lv | grep -B5 display</kbd><br> <kbd>sysrc kld_list+=radeonkms</kbd><br> <kbd>shutdown -r now</kbd><br> </p> <h3 class="mt-5">Enable Wireless on FreeBSD 15</h3> <p> <kbd>pkg install wifi-firmware-rtw88-kmod</kbd><br> </p> <h3 class="mt-5">Tip</h3> <p>You can bypass to KDE login screen by entering <kbd>Ctrl-Alt-F1</kbd>.</p>
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