• Ubuntu ¹⁾
• Long-Term Support (LTS) ²⁾

• 2026/04/17: WIP

• Spinesnap = Dell Latitude 5591 ³⁾

cat '/etc/os-release' | grep 'VERSION='

24.04.4 LTS (Noble Numbat)

• https://ubuntu.com/download/desktop
• https://releases.ubuntu.com/

ubuntu-24.04.4-desktop-amd64.iso

1. Whole disk
2. No LVM, no encryption

nvme0n1     259:0    0 953.9G  0 disk 
├─nvme0n1p1 259:1    0     1G  0 part /boot/efi
└─nvme0n1p2 259:2    0 952.8G  0 part /

/dev/nvme0n1p2 on / type ext4

/dev/nvme0n1p1 on /boot/efi type vfat

sudo apt update && sudo apt full-upgrade -y && sudo apt autoremove -y && sudo apt clean && sudo systemctl daemon-reload && sync

sudo snap refresh && sync

sudo fwupdmgr refresh --force && sudo fwupdmgr update --verbose && sync

sudo apt install --install-recommends file-roller filezilla foliate gimp gnome-shell-extension-manager keepassxc libreoffice obs-studio thunderbird transmission-gtk vlc 7zip adb fastboot aria2 htop libsecret-tools lm-sensors mesa-utils unar yt-dlp 

• TODO: See if winetricks is needed
• winbind used to fix something ⁴⁾

wine icoutils

• https://github.com/intel/media-driver?tab=readme-ov-file#components-and-features

intel-gpu-tools intel-media-va-driver-non-free

sudo intel_gpu_top -s '500' -p

torbrowser-launcher

sudo snap refresh 'firefox' --channel='esr/stable'

sudo snap refresh 'thunderbird' --channel='esr/stable'

• http://localhost:631/admin
• Log-in as regular user (not root)

• Internet Printing Protocol (ipp) → HP → IPP Everywhere ™
• Color Mode: Device Gray
• 2-Sided Printing: Long-Edge (Portrait)

ipp://192.168.1.164/ipp/print

• More DNS Servers

1.1.1.2,1.0.0.2

2606:4700:4700::1112,2606:4700:4700::1002

• See ufw for more notes

sudo ufw reset && sudo ufw default deny && sudo ufw logging off && sudo ufw enable && sudo systemctl enable 'ufw'

sudo ufw status

• https://www.kernel.org/doc/html/latest/admin-guide/sysrq.html
• Allows REISUB

• kernel.sysrq = 1

echo 'kernel.sysrq = 1' | sudo tee '/etc/sysctl.d/99-sysrq.conf' > '/dev/null' && cat '/etc/sysctl.d/99-sysrq.conf'

sysctl 'kernel.sysrq'

• vm.swappiness = 0

echo 'vm.swappiness = 0' | sudo tee '/etc/sysctl.d/99-swappiness.conf' > '/dev/null' && cat '/etc/sysctl.d/99-swappiness.conf'

sysctl 'vm.swappiness'

• Full RGB + 12-bit color
• Also applies disabled monitors at log-in (docked laptop)
• Notes

• Between </mode> and </monitor>

nano ~/'.config/monitors.xml' && sudo cp -fv ~/'.config/monitors.xml' '/etc/xdg/monitors.xml'

        <rgbrange>full</rgbrange>
        <maxbpc>12</maxbpc>

• https://extensions.gnome.org/extension/545/hide-top-bar/
• https://extensions.gnome.org/extension/8008/disable-unredirect/

gnome-extensions disable 'tiling-assistant@ubuntu.com'

• More gsettings

gsettings reset 'org.gnome.shell' 'app-picker-layout' && gsettings reset 'org.gnome.mutter' 'experimental-features' && gsettings set 'org.gnome.desktop.interface' 'clock-format' '12h' && gsettings set 'org.gnome.desktop.interface' 'enable-animations' 'true' && gsettings set 'org.gnome.desktop.interface' 'clock-show-date' 'true' && gsettings set 'org.gnome.desktop.interface' 'clock-show-weekday' 'true' && gsettings set org.gnome.shell.extensions.dash-to-dock pressure-threshold '75' && gsettings set 'org.gnome.desktop.wm.preferences' 'focus-mode' 'click' && gsettings set 'org.gtk.gtk4.Settings.FileChooser' 'sort-directories-first' 'true' && gsettings set 'org.gnome.nautilus.preferences' 'date-time-format' 'detailed' && gsettings set 'org.gnome.nautilus.preferences' 'show-delete-permanently' 'true' && gsettings set 'org.gnome.desktop.peripherals.mouse' 'accel-profile' 'flat' && gsettings set 'org.gnome.desktop.peripherals.touchpad' 'natural-scroll' 'false' && gsettings set 'org.gnome.desktop.peripherals.touchpad' 'tap-to-click' 'false' && gsettings set 'org.gnome.desktop.peripherals.touchpad' 'tap-and-drag' 'false' && gsettings set 'org.gnome.desktop.peripherals.touchpad' 'disable-while-typing' 'false' && gsettings set 'org.gnome.desktop.peripherals.touchpad' 'click-method' 'areas' && gsettings set 'org.freedesktop.Tracker3.Miner.Files' 'enable-monitors' 'false' && gsettings set 'org.freedesktop.Tracker3.Miner.Files' 'crawling-interval' '-2' && gsettings set 'org.freedesktop.Tracker3.Miner.Files' 'index-on-battery' 'false' && gsettings set 'org.freedesktop.Tracker3.Miner.Files' 'index-on-battery-first-time' 'false' && gsettings reset 'org.gnome.Settings' 'last-panel'

• KeePassXC
• Updater

'/usr/bin/bash' -c "'/usr/bin/secret-tool' lookup 'keepass' 'default' | '/usr/bin/keepassxc' --pw-stdin ~/'Documents/keepass.kdbx'"

'/usr/bin/bash' -c "'/usr/bin/gnome-terminal' --window --title='Ubuntu Updater' -- ~/'.local/scripts/ubuntu-updater.sh'"

• Listed respectively to above

• Ctrl + Alt + Z
• F6

• See Firefox

rm -Rf ~/'snap/firefox/common/.mozilla' ~/'snap/firefox/common/.cache'

• See Firefox

rm -Rf ~/'snap/thunderbird/common/.mozilla' ~/'snap/thunderbird/common/.thunderbird' ~/'snap/thunderbird/common/.cache'

• Green
• Red
• Blue

A9D158

EA4335

0078D4

• General → [ ] Load previous databases on startup
• Security → [x] Use DuckDuckGo service to download website icons

• Keyboard shortcut

'/usr/bin/secret-tool' store --label='KeePass' 'keepass' 'default'

• x86_energy_perf_policy udev Rule

sudo sensors-detect --auto

timedatectl 'set-ntp' 'true' && timedatectl status

• More Kernel Parameters

• Notes

• GRUB_CMDLINE_LINUX= ( not default)
• 2026/04/17: acpi_osi at 2017.2 is related to acpi_mask_gpe ⁵⁾

sudo -e '/etc/default/grub' && sudo update-grub

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"

GRUB_CMDLINE_LINUX="x"

acpi_osi='!' acpi_osi='Windows 2017.2' reboot='pci' hibernate='no' idle='halt' nohz='off' preempt='full' iommu='pt' io_delay='none' memory_corruption_check='0' nosgx init_on_alloc='0' init_on_free='0' pci='pcie_bus_perf,realloc,pcie_scan_all,big_root_window' pcie_aspm='off' module_blacklist='iTCO_wdt,intel_oc_wdt,dell_smm_hwmon' nowatchdog tsc='nowatchdog' drm_kms_helper.poll='0' drm_kms_helper.fbdev_emulation='0' rootflags='data=writeback' video='HDMI-A-1:1600x900MR@76' acpi_mask_gpe='0x6E'

cat '/sys/firmware/acpi/platform_profile' && echo 'performance' | sudo tee '/sys/firmware/acpi/platform_profile' > '/dev/null' && cat '/sys/firmware/acpi/platform_profile'

• 2026/04/17

Startup finished in 5.100s (firmware) + 1.249s (loader) + 1.630s (kernel) + 9.166s (userspace) = 17.147s 
graphical.target reached after 9.146s in userspace.

systemd-analyze

sudo efibootmgr

sudo efibootmgr --delete-bootnum --bootnum '0000'

sudo efibootmgr --create --disk '/dev/nvme0n1p1' --gpt --loader '\EFI\ubuntu\grubx64.efi' --label 'Ubuntu' --timeout '0'

sudo systemctl enable 'fstrim.timer' --now

sudo systemctl start 'fstrim' && sync && sudo systemctl status 'fstrim' -l

sudo fstrim -v -a

• nvme0n1p1 type vfat

sudo umount '/boot/efi' && sudo dosfsck -a -t -w -v '/dev/nvme0n1p1' && sudo mount '/boot/efi'

sudo -e '/etc/profile.d/general-tweaks.sh'

# General
export LD_BIND_NOW='1'
export LD_PREFER_MAP_32BIT_EXEC='1'

# GNOME
export CLUTTER_PAINT='disable-dynamic-max-render-time'
export CLUTTER_VBLANK='none'

# GTK
export GDK_DEBUG='gl-prefer-gl'
export GDK_RENDERING='image'
export GSK_RENDERER='cairo'
export GTK_A11Y='none'
export GTK_OVERLAY_SCROLLING='0'

# Intel
export ANV_NO_GPL='1'
export anv_disable_link_time_optimization='true'
export force_guc_low_latency='false'
export allow_compressed_fallback='true'

# Mesa
export vblank_mode='0'
export MESA_NO_ERROR='1'
export mesa_glthread='false'
export MESA_DISK_CACHE_DATABASE='0'
export MESA_DISK_CACHE_SINGLE_FILE='0'
export allow_higher_compat_version='true'
export block_on_depleted_buffers='true'
export disable_throttling='true'
export force_integer_tex_nearest='true'
export vk_wsi_force_bgra8_unorm_first='true'
export vk_x11_ignore_suboptimal='true'
export vk_xwayland_wait_ready='false'

# End

sudo -e '/etc/fstab'

• / type ext4
• data=writeback requires it in GRUB too

,data=writeback,nobarrier

• /boot/efi type vfat

,discard

• Notes

sudo -e '/etc/profile.d/wine-tweaks.sh'

# Staging
export STAGING_SHARED_MEMORY='1'
export STAGING_WRITECOPY='1'
export WINE_LARGE_ADDRESS_AWARE='1'

# Logging
export WINEDEBUG='-all'
export VKD3D_DEBUG='none'
export VKD3D_SHADER_DEBUG='none'
export DXVK_LOG_LEVEL='none'

# End

• Keyboard shortcut

mkdir -p ~/'.local/scripts' && nano ~/'.local/scripts/ubuntu-updater.sh' && chmod +x ~/'.local/scripts/ubuntu-updater.sh'

#!/bin/bash

sudo '/usr/bin/apt' clean
sudo '/usr/bin/apt' update
sudo '/usr/bin/apt' full-upgrade -y
sudo '/usr/bin/apt' autoremove -y

sudo '/usr/bin/systemctl' daemon-reload

sudo '/usr/bin/snap' refresh

rm -Rf ~/'.cache/mesa_shader_cache/'* ~/'.cache/thumbnails/'*
rm -Rf ~/'snap/firefox/common/.cache/'* ~/'snap/thunderbird/common/.cache/'*

tracker3 reset --filesystem --rss

sudo '/usr/bin/journalctl' --vacuum-time='1s' --rotate

sync
read -n '1' -s -r -p 'Done. Press any key to exit.'

# End

~/'.local/scripts/ubuntu-updater.sh'

• See misc