====== Information ======

  * LibreELEC ((https://libreelec.tv/))
  * Raspberry Pi
  * AArch64

  * Plaguewing = Raspberry Pi 4 Model B Rev 1.1 ([[linux:notes:rpi4_ostw|notes]])

  uname -a

  Linux Plaguewing 6.12.56 #1 SMP Sat Nov  1 08:49:19 UTC 2025 aarch64 GNU/Linux

====== Download ======

  * https://libreelec.tv/downloads/raspberry/

  * Last tested: ''LibreELEC-RPi4.aarch64-12.2.1.img.gz''

====== Installation Notes ======

===== Partitioning =====

  * 1GB SD Card

<code>
Filesystem           Type            Size      Used Available Use% Mounted on
devtmpfs             devtmpfs      662.1M      4.0K    662.1M   0% /dev
tmpfs                tmpfs         369.3M     14.4M    354.9M   4% /run
/dev/mmcblk0p1       vfat          511.7M    162.8M    349.0M  32% /flash
/dev/loop0           squashfs      145.0M    145.0M         0 100% /
/dev/mmcblk0p2       ext4          391.6M     17.5M    370.1M   5% /storage
tmpfs                tmpfs         923.2M         0    923.2M   0% /dev/shm
tmpfs                tmpfs         923.2M      4.0K    923.2M   0% /var
tmpfs                tmpfs         923.2M         0    923.2M   0% /tmp</code>

====== Initial Set-up ======

  * Continue from ''ssh''
  * Log-in as ''root''

===== passwd =====

  * :!: Change ''root'' user password

  passwd

====== Software ======

===== Update =====

==== Firmware ====

  * [[linux:notes:rpi4_ostw#firmware|Notes]]

====== Boot Loader ======

===== YaST =====

  sudo yast2 'bootloader'

==== Boot Code Options ====

  * Boot Loader: ''GRUB2 for EFI''

  * ''[ ]'' Secure Boot Support
  * ''[x]'' Update NVRAM Entry

  * Protective MBR flag: ''do not change''

==== Kernel Parameters ====

  * CPU Mitigations: ''Off''
  * ''[ ]'' Graphical console
  * ''[ ]'' Serial console

=== Kraityn ===

  * [[linux:notes:kernel_parameters|More Kernel Parameters]]
  * Last updated: 2026/11/12

  security='' hibernate='no' nohz='off' preempt='lazy' init_on_alloc='0' init_on_free='0' drm_kms_helper.poll='0' drm_kms_helper.fbdev_emulation='0' hostname='Kraityn' pci='pcie_bus_perf,notph' nomodeset rootflags='data=writeback'

===== config.txt =====

  * [[linux:notes:rpi4_ostw#configtxt|Notes]]

====== Drive Maintenance ======

===== Trim =====

  fstrim -v -a

===== External =====

  * SD in another computer

==== EFI ====

  sudo fsck.fat -a -t -w -v '/dev/mmcblk0p1'

==== ext4 ====

  sudo e2fsck -D -E 'discard' -f -v -y '/dev/mmcblk0p3'

====== Tweaks ======

===== General =====

  echo "export LD_BIND_NOW='1'" | sudo tee '/etc/profile.d/99-general-tweaks.sh' > '/dev/null'

===== journald =====

  mkdir -p '/etc/systemd/journald.conf.d' && nano '/etc/systemd/journald.conf.d/99-tweaks.conf' && journalctl --vacuum-time='1s' --rotate

<code>
[Journal]
Storage=none
Compress=false
MaxLevelStore=0
MaxLevelSyslog=0
MaxLevelKMsg=0
MaxLevelConsole=0
MaxLevelWall=0

# End</code>

  journalctl --vacuum-time='1s' --rotate

===== fstab =====

  nano '/etc/fstab'

==== swap ====

  ,discard=once

==== ext4 ====

  ,noatime,discard,nobarrier,data=writeback

==== EFI ====

  ,discard