• Ubuntu ¹⁾
• 19.04

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

• EFI/ubuntu/shimx64.efi ²⁾
• Minimal installation

• https://github.com/StevenBlack/hosts/
• Using Unified hosts + fakenews + gambling

sudo wget -O '/etc/hosts' 'https://raw.githubusercontent.com/StevenBlack/hosts/master/alternates/fakenews-gambling/hosts' && sync

cat '/etc/hosts' | grep 'Date:'

sudo -e '/etc/hosts'

• TODO: Update for 19.04

• https://www.winehq.org/
• https://wiki.winehq.org/Ubuntu
• https://dl.winehq.org/wine-builds/ubuntu/

wget -O '/tmp/winehq-gpg.key' 'https://dl.winehq.org/wine-builds/Release.key' && sudo apt-key add '/tmp/winehq-gpg.key' && echo 'deb https://dl.winehq.org/wine-builds/ubuntu/ bionic main' | sudo tee '/etc/apt/sources.list.d/winehq.list' > '/dev/null' && cat '/etc/apt/sources.list.d/winehq.list' && rm -f '/tmp/winehq-gpg.key' && sync

• TODO: Update for 19.04

• https://lutris.net
• http://download.opensuse.org/repositories/home:/strycore/

wget -O '/tmp/lutris-gpg.key' 'http://download.opensuse.org/repositories/home:/strycore/xUbuntu_18.04/Release.key' && sudo apt-key add '/tmp/lutris-gpg.key' && echo 'deb http://download.opensuse.org/repositories/home:/strycore/xUbuntu_18.04/ ./' | sudo tee '/etc/apt/sources.list.d/lutris.list' > '/dev/null' && cat '/etc/apt/sources.list.d/lutris.list' && rm -f '/tmp/lutris-gpg.key' && sync

• https://github.com/ckb-next/ckb-next

sudo add-apt-repository 'ppa:tatokis/ckb-next'

• https://launchpad.net/~paulo-miguel-dias/+archive/ubuntu/mesa
• https://wordpress.padoka.org

sudo add-apt-repository 'ppa:paulo-miguel-dias/mesa' -y

sudo apt update && sudo apt full-upgrade -y && sudo apt autoremove -y && sudo apt clean && sync

sudo fwupdmgr refresh && sudo fwupdmgr update --verbose

sudo snap refresh

sudo apt install evolution filezilla gimp keepassxc mpv transmission-gtk aria2 htop unar p7zip-full mesa-utils ffmpeg libsecret-tools libreoffice rhythmbox

• For a MacBook Pro with BCM4360 wireless

bcmwl-kernel-source

network-manager-openvpn-gnome

gstreamer1.0-vaapi

i965-va-driver

ckb-next

• https://keybase.io

wget -O '/tmp/keybase_amd64.deb' 'https://prerelease.keybase.io/keybase_amd64.deb' && sudo dpkg --install '/tmp/keybase_amd64.deb' && sudo apt install -f && rm '/tmp/keybase_amd64.deb' && sync && run_keybase

winetricks exe-thumbnailer winbind

winehq-staging

wine-d3d9-staging

• Even if using Lutris's Wine runners, Wine Staging should be installed system-wide in order to satisfy dependencies

winehq-staging lutris

torbrowser-launcher

wget -O '/tmp/google-chrome-stable_current_amd64.deb' 'https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb' && sudo dpkg --install '/tmp/google-chrome-stable_current_amd64.deb' || sudo apt install -f && rm '/tmp/google-chrome-stable_current_amd64.deb' && sync

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

gnome-terminal --command "sudo sh -c 'apt update && apt full-upgrade -y && apt clean && apt autoremove -y && sync && fwupdmgr refresh && fwupdmgr update --verbose && snap refresh && rm -Rfv '/usr/lib/firefox/browser/features' '/home/'*'/.mozilla/firefox/'*'/features' && wget -O '/etc/hosts' 'https://raw.githubusercontent.com/StevenBlack/hosts/master/alternates/fakenews-gambling/hosts' && sync && fstrim --all --verbose && sync && sleep '2''"

• Listed respectively to above

• Ctrl + Alt + Z
• Pause or F7

• http://localhost:631/admin

• Output Mode: Black Only Grayscale
• Print Quality: High-Resolution Photo
• Administration → Set As Server Default

socket://192.168.1.164:9100

• 4 Tab width
• Insert Spaces for Tab mode

• https://blog.uncensoreddns.org/

89.233.43.71,91.239.100.100

2a01:3a0:53:53::,2001:67c:28a4::

• https://wiki.opennic.org/start#anycast_tier_2_dns_resolvers

185.121.177.177,169.239.202.202

2a05:dfc7:5::53,2a05:dfc7:5::5353

• See VPN.AC
• If using this VPN, disable IPv6 from NetworkManager

• Sort folders before files
• 4096 MB File Previews

• See Internet Radio

• 10-notch Transparency

• Blocklist

http://john.bitsurge.net/public/biglist.p2p.gz

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

• See Kernel Parameters for older options

GRUB_TIMEOUT=1

• https://github.com/ckb-next/ckb-next/wiki/Troubleshooting#usbhid-quirks

usbcore.quirks=1b1c:1b38:gn,1b1c:1b3c:gn

scsi_mod.use_blk_mq=y dm_mod.use_blk_mq=y

• efi is for UEFI systems
• pci is for Legacy systems and Coreboot with SeaBIOS payload
• There are other values possible should either of those not work

reboot=pci

reboot=efi

pcie_aspm=force

• KGPE-D16's Coreboot installation notes mention needing this for better power saving
• Specific to Nightwane

nohz=on

• Specific to Spinesnap

intel_iommu=on

• Applicable on a Lenovo T500 ³⁾

i915.enable_fbc=1 i915.fastboot=1

amdgpu.deep_color=1

• Allows use of Overdrive options for overclocking

amdgpu.ppfeaturemask=0xffffffff

cat '/sys/module/amdgpu/parameters/ppfeaturemask' | grep '4294967295'

• iTCO_wdt controls watchdog on some Intel platforms
• sp5100_tco controls watchdog on some AMD platforms
• nowatchdog disables both soft and hard generic watchdogs
• I don't use watchdog features and apparently this reduces power usage slightly

modprobe.blacklist=iTCO_wdt,sp5100_tco nowatchdog

• https://www.freedesktop.org/software/systemd/man/kernel-command-line.html#systemd.restore_state=
• This prevents systemd from restoring previous backlight value on reboot
• This is necessary for Power Management

systemd.restore_state=0

• This may make lower-end machines become very unresponsive; be prepared to have some safe way of rebooting

drm.debug=0xe

cat '/etc/gdm3/custom.conf' | grep '#WaylandEnable' > '/dev/null' && sudo sed -i 's/'#WaylandEnable'/'WaylandEnable'/g' '/etc/gdm3/custom.conf' && cat '/etc/gdm3/custom.conf' | grep 'WaylandEnable'

sudo -e '/etc/gdm3/custom.conf'

• Run this before running GUI applications requiring root
• This needs re-ran after session restart

xhost +LOCAL:

• Last updated: 2019/04/19

gsettings set 'org.gnome.desktop.interface' 'enable-animations' 'false' && gsettings set 'org.gnome.desktop.peripherals.touchpad' 'send-events' 'disabled-on-external-mouse' && gsettings set 'org.gnome.desktop.peripherals.touchpad' 'natural-scroll' 'false' && gsettings set 'org.gnome.desktop.peripherals.mouse' 'accel-profile' 'flat' && 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.gnome.desktop.interface' 'clock-show-date' 'true' && gsettings set 'org.gnome.software' 'download-updates' 'false'

• Last updated: 2019/04/19

gsettings set 'org.gnome.desktop.interface' 'enable-animations' 'false'

gsettings set 'org.gnome.desktop.peripherals.touchpad' 'send-events' 'disabled-on-external-mouse'

gsettings set 'org.gnome.desktop.peripherals.touchpad' 'natural-scroll' 'false'

gsettings set 'org.gnome.desktop.peripherals.mouse' 'accel-profile' 'flat'

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.gnome.desktop.interface' 'clock-show-date' 'true'

gsettings set 'org.gnome.software' 'download-updates' 'false'

• General → [ ] Load previous databases on startup

secret-tool store --label='KeePass' 'keepass' 'default'

• https://wiki.archlinux.org/index.php/mpv#High_quality_configurations

mkdir -p ~/'.config/mpv' && echo -e "profile=gpu-hq\nscale=ewa_lanczossharp\ncscale=ewa_lanczossharp\nvideo-sync=display-resample\ninterpolation\ntscale=oversample" | tee ~/'.config/mpv/mpv.conf' > '/dev/null' && cat ~/'.config/mpv/mpv.conf'

• wifi.powersave is set to 3 in /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf
• ethernet.cloned-mac-address=random breaks USB Tethering with iOS/iPhones

sudo -e '/etc/NetworkManager/conf.d/99-custom.conf'

[device-mac-randomization]
wifi.scan-rand-mac-address=yes

[connection-mac-randomization]
ethernet.cloned-mac-address=random
wifi.cloned-mac-address=random

[connection]
wifi.powersave=2

• See Laptop Power Management

• See Secure Shell

• https://solokeys.com/
• Usable as authentication for GDM and sudo

sudo dnf install pamu2fcfg pam-u2f

pamu2fcfg > ~/'u2f_keys' && sudo mv ~/'u2f_keys' '/etc/u2f_mappings'

• Add to line 2, under the pam_selinux_permit.so entry

sudo -e '/etc/pam.d/gdm-password'

auth sufficient pam_u2f.so authfile=/etc/u2f_mappings cue

• Add to line 2, under the #%PAM-1.0 line

sudo -e '/etc/pam.d/sudo'

auth sufficient pam_u2f.so authfile=/etc/u2f_mappings cue

echo "vm.swappiness=10" | sudo tee '/etc/sysctl.d/99-swappiness.conf' > '/dev/null' && cat '/etc/sysctl.d/99-swappiness.conf'

cat '/sys/fs/cgroup/memory/memory.swappiness'

• Log data is stored in volatile storage
• Max log file sizes of 50MB

sudo mkdir -p '/etc/systemd/journald.conf.d' && echo -e "[Journal]\nStorage=volatile\nSystemMaxUse=50M\nRuntimeMaxUse=50M" | sudo tee '/etc/systemd/journald.conf.d/logging.conf' > '/dev/null' && cat '/etc/systemd/journald.conf.d/logging.conf'

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

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

• Add discard after defaults for the swap mountpoint ⁴⁾
• According to the swapon man page, setting this in fstab is acceptable

sudo -e '/etc/fstab'

,discard

• TODO: This may already exist in cron, verify

sudo systemctl enable 'fstrim.timer' --now && sudo systemctl start 'fstrim' && sync && sudo systemctl status 'fstrim' -l

• See Wine

• https://askubuntu.com/a/886908

alsamixer --card='1'

• Expects an ASUS KCMA-D8 motherboard
• If OpenBMC is figured out, this may be superseded
• Answer yes to all sensors-detect prompts and reboot for fancontrol to run

sudo apt install lm-sensors fancontrol && sudo sensors-detect && sudo -e '/etc/fancontrol' && sudo systemctl enable 'fancontrol'

INTERVAL=10
DEVNAME=/sys/class/hwmon/hwmon6=w83795g

FCTEMPS=/sys/class/hwmon/hwmon6/device/pwm2=/sys/class/hwmon/hwmon6/device/temp8_input
FCFANS=/sys/class/hwmon/hwmon6/device/fan1_input+/sys/class/hwmon/hwmon6/device/fan2_input

MINTEMP=/sys/class/hwmon/hwmon6/device/pwm2=50
MAXTEMP=/sys/class/hwmon/hwmon6/device/pwm2=60

MINSTART=/sys/class/hwmon/hwmon6/device/pwm2=4000
MINSTOP=/sys/class/hwmon/hwmon6/device/pwm2=0

• 4k@60Hz CVT-RB
• Mostly fixes random display glitches
• The grep here confirms the expected Modeline for my usual display ⁵⁾
• This cannot be used on Wayland currently
• This expects amdgpu DDX driver to be used ⁶⁾

cvt --verbose --reduced '3840' '2160' '60' | grep 'Modeline "3840x2160R"  533.00  3840 3888 3920 4000  2160 2163 2168 2222 +hsync -vsync'

• Change as-needed

sudo mkdir -p '/etc/X11/xorg.conf.d' && sudo -e '/etc/X11/xorg.conf.d/99-graphics.conf'

Section "Monitor"
    Identifier      "HDMI-A-0"
    Modeline "3840x2160R"  533.00  3840 3888 3920 4000  2160 2163 2168 2222 +hsync -vsync
    Option          "PreferredMode" "3840x2160R"
EndSection

• The lack-of quotes around 30 is intentional and required syntax
• This may cause minor issues with programs not expecting 30-bit color ⁷⁾
• May cause GNOME Settings to not work depending on the version of GNOME used

sudo mkdir -p '/etc/X11/xorg.conf.d' && sudo -e '/etc/X11/xorg.conf.d/99-graphics.conf'

Section "Screen"
    Identifier      "Deep Color Screen"
    DefaultDepth    30
EndSection

sudo apt install 'xserver-xorg-video-intel' -y && sudo mkdir -p '/etc/X11/xorg.conf.d' && sudo -e '/etc/X11/xorg.conf.d/99-graphics.conf'

Section "Device"
    Identifier      "Intel GPU"
    Driver          "intel"
    Option          "TearFree"      "disabled"
EndSection

sudo apt install 'xserver-xorg-video-amdgpu' -y && sudo mkdir -p '/etc/X11/xorg.conf.d' && sudo -e '/etc/X11/xorg.conf.d/99-graphics.conf'

Section "Device"
    Identifier      "AMD GPU"
    Driver          "amdgpu"
    Option          "TearFree"      "off"
EndSection

• Expects pre-SI GPUs ⁸⁾
• For SI, CIK, and newer GPUs, use amdgpu, along with enabling si_support and cik_support respectively for the amdgpu kernel module ⁹⁾

sudo apt install 'xserver-xorg-video-radeon' -y && sudo mkdir -p '/etc/X11/xorg.conf.d' && sudo -e '/etc/X11/xorg.conf.d/99-graphics.conf'

Section "Device"
    Identifier      "AMD GPU"
    Driver          "radeon"
    Option          "TearFree"      "off"
    Option          "AccelMethod"   "EXA"
EndSection

• If using Optimus or some other multi-GPU set-up with different GPU vendors and/or drivers, add the BusID option
• TODO: How to get the BusID value

    BusID      "PCI:0:2:0"

• Enables hardware acceleration and use of WebRenderer
• WebRenderer requires the previous MOZ_ACCELERATED variable as well

echo -e 'export MOZ_ACCELERATED=1\nexport MOZ_WEBRENDER=1' | sudo tee '/etc/profile.d/firefox-hwaccel.sh' > '/dev/null' && cat '/etc/profile.d/firefox-hwaccel.sh'

rm -fv '/tmp/profiles.ini' && nano '/tmp/profiles.ini' && sed -i 's/'CHANGEME'/'$USER'/g' '/tmp/profiles.ini'

[General]
StartWithLastProfile=1

[Profile0]
Name=default
IsRelative=1
Path=CHANGEME
Default=1

• Last updated: 2019/04/05
• IPv6 is disabled in order to prevent WebRTC from grabbing a IPv6 address even though NetworkManager has it disabled…
• media.peerconnection.enabled disables WebRTC

rm -fv '/tmp/user.js' && nano '/tmp/user.js'

/***********
 * General *
 ***********/

user_pref("extensions.screenshots.disabled", true);
user_pref("reader.parse-on-load.enabled", false);

user_pref("media.mediasource.experimental.enabled", true);
user_pref("media.mediasource.ignore_codecs", true);
user_pref("media.autoplay.enabled", false);

user_pref("webgl.disabled", true);
user_pref("webgl.enable-webgl2", false);
user_pref("accessibility.force_disabled", 1);
user_pref("mousewheel.min_line_scroll_amount", 40);
user_pref("browser.tabs.drawInTitlebar", true);

/*******
 * U2F *
 *******/

user_pref("security.webauth.u2f", true);

/***********
 * Privacy *
 ***********/

user_pref("network.dns.disableIPv6", true);
user_pref("media.peerconnection.enabled", false);

/*******
 * END *
 *******/

• Path should report the current user's username, and the text Custom Stuff should be visible

ls '/tmp/profiles.ini' '/tmp/user.js' && pkill 'firefox' && rm -Rfv ~/'.mozilla' && sync && mkdir -p ~/'.mozilla/firefox/'$USER && mv '/tmp/profiles.ini' ~/'.mozilla/firefox/profiles.ini' && mv '/tmp/user.js' ~/'.mozilla/firefox/'$USER'/user.js' && sync && cat ~/'.mozilla/firefox/profiles.ini' | grep $USER && cat ~/'.mozilla/firefox/'$USER'/user.js' | grep 'Custom Stuff' && sleep '1' && sync

• https://www.startpage.com/

• Decentraleyes
• HTTPS Everywhere
• Privacy Badger
• Cookie AutoDelete
• uBlock Origin
• CanvasBlocker

gio open 'https://addons.mozilla.org/en-US/firefox/addon/decentraleyes/versions' && gio open 'https://www.eff.org/https-everywhere' && gio open 'https://www.eff.org/privacybadger' && gio open 'https://addons.mozilla.org/en-US/firefox/addon/cookie-autodelete/versions' && gio open 'https://addons.mozilla.org/en-US/firefox/addon/ublock-origin/versions' && gio open 'https://addons.mozilla.org/en-US/firefox/addon/canvasblocker/versions'

• [x] Enable Automatic Cleaning? Delay Before Cleaning
• [x] Enable Cleanup on Domain Change
• [ ] Enable Cleanup Log and Counter
• [ ] Show Notification After Cookie Cleanup
• [x] Clean Cookies from Open Tabs on Startup
• [x] Localstorage Cleanup (Firefox 58+)

• [x] Prevent WebRTC from leaking local IP addresses

• [ ] Ads → EasyList ¹⁰⁾
• [ ] Privacy → EasyPrivacy ¹¹⁾

• Multipurpose → [x] Dan Pollock's hosts file
• Multipurpose → [x] hpHost's Ad and tracking servers
• Multipurpose → [x] MVPS HOSTS

• Custom → [x] Import

• Last updated: 2018/11/23

https://www.fanboy.co.nz/fanboy-problematic-sites.txt
https://www.fanboy.co.nz/r/fanboy-ultimate.txt
https://www.fanboy.co.nz/fanboy-antifacebook.txt
https://www.fanboy.co.nz/fanboy-antifonts.txt
https://www.fanboy.co.nz/fanboy-cookiemonster.txt
https://raw.githubusercontent.com/ryanbr/fanboy-adblock/master/popads-domains-list.txt
https://raw.githubusercontent.com/ryanbr/fanboy-adblock/master/fake-news.txt

• https://www.youtube.com/html5
• https://ipx.ac
• https://decentraleyes.org/test/
• https://panopticlick.eff.org/
• https://browserleaks.com/

• D is the destination you want the extracted files to go
• x is the ISO you want to extract files from
• No space after the -o flag is intentional
• This is primarily useful for copying Windows ISO images to a FAT32 flash drive

sudo apt install 'p7zip-full'

7z x -o'D' -y x

7z x -o'/run/media/espionage724/1809 LTSC' -y '/home/espionage724/Downloads/en_windows_10_enterprise_ltsc_2019_x64_dvd_74865958.iso' && sync

• Change x to a URL

sudo apt install 'youtube-dl'

youtube-dl -F x

• Download the m4a audio only format shown from the above command
• The format code is likely 140
• Change x to a URL

youtube-dl -f 140 x

/usr/share/applications

~/.local/share/applications

/usr/share/icons/hicolor

~/.local/share/icons/hicolor

nano '/etc/apt/sources.list'

ls '/etc/apt/sources.list.d'

sudo apt-key list

• x is the last 8 characters of the pub for the specific repo

sudo apt-key del x

rm -Rf ~/'.cache/thumbnails'

• Change x to schema or omit it to show all settings

gsettings list-recursively 'x'

pkcon -c '1' refresh && pkcon update

sudo fstrim --verbose --all

journalctl -e _COMM='gdm-x-session'

gio open ~/'.local/share/xorg/Xorg.0.log'

LIBGL_DEBUG='verbose' glxinfo | grep 'libgl'

• https://www.geeks3d.com/gputest/

wget -O '/tmp/GpuTest_Linux_x64.zip' 'http://www.ozone3d.net/gputest/dl/GpuTest_Linux_x64_0.7.0.zip' && unzip '/tmp/GpuTest_Linux_x64.zip' -d '/tmp' && cd '/tmp/GpuTest_Linux_x64_'* && ./GpuTest /test='fur' /width='1280' /height='720'

wget -O '/tmp/GpuTest_Linux_x64.zip' 'http://www.ozone3d.net/gputest/dl/GpuTest_Linux_x64_0.7.0.zip' && unzip '/tmp/GpuTest_Linux_x64.zip' -d '/tmp' && cd '/tmp/GpuTest_Linux_x64_'* && ./GpuTest /test='fur' /width='1920' /height='1080'

rm -Rf '/tmp/GpuTest_Linux_'* && cd ~ && sync

grep 'MHz' '/proc/cpuinfo'

watch -n 0.1 grep \'cpu MHz\' '/proc/cpuinfo'

openssl ciphers -v | awk '{print $2}' | sort | uniq

• Both commands do the same things

df -hT

df --human-readable --print-type

sudo cryptsetup -v status '/dev/dm-0'

• All hdparm commands below assume actions to be performed on /dev/sda

sudo apt install 'hdparm' -y && sync

sudo hdparm -I '/dev/sda'

systemctl suspend

sudo hdparm --user-master u --security-set-pass 'x' '/dev/sda' && sudo hdparm --user-master u --security-erase 'x' '/dev/sda' && sync

sudo hdparm --user-master u --security-set-pass 'x' '/dev/sda' && sudo hdparm --user-master u --security-erase-enhanced 'x' '/dev/sda' && sync

• Performs both security-erase and security-erase-enhanced on /dev/sda
• Cleans EFI variables

sudo hdparm --user-master u --security-set-pass 'x' '/dev/sda' && sudo hdparm --user-master u --security-erase 'x' '/dev/sda' && sudo hdparm --user-master u --security-set-pass 'x' '/dev/sda' && sudo hdparm --user-master u --security-erase-enhanced 'x' '/dev/sda' && sync && sudo rm -f '/sys/firmware/efi/efivars/'* || sync && sudo efibootmgr -v

• Performs both security-erase and security-erase-enhanced on /dev/sda ¹²⁾
• Cleans EFI variables

sudo hdparm --user-master u --security-erase 'x' '/dev/sda' && sudo hdparm --user-master u --security-set-pass 'x' '/dev/sda' && sudo hdparm --user-master u --security-erase-enhanced 'x' '/dev/sda' && sync && sudo rm -f '/sys/firmware/efi/efivars/'* || sync && sudo efibootmgr -v

sudo apt install 'nvme-cli' -y && sync

sudo nvme format '/dev/nvme0' --reset --ses='1' --pil='0' --pi='0' --ms='0' && sync

• Could potentially cause a firmware brick or other issues with improper EFI implementations, use at own risk ¹³⁾
• Safer way is to use efibootmgr to remove boot entries individually

sudo rm -f '/sys/firmware/efi/efivars/'* || sync && sudo efibootmgr -v

sudo mdadm --detail-platform

• Came from old notes; I assume this worked at some point, but in any case, the syntax looks nice :p

sudo mdadm --create '/dev/md0' --name='RAID' --level='0' --raid-devices='3' '/dev/sda' '/dev/sdb' '/dev/sdc' --verbose

• https://nouveau.freedesktop.org/wiki/Optimus

sudo cat '/sys/kernel/debug/vgaswitcheroo/switch'

• In dsdt.dsl, look for _OSI values, along with Windows and Linux
• TODO: Fix for Ubuntu

sudo dnf install 'acpica-tools'

sudo cp --force '/sys/firmware/acpi/tables/DSDT' ~/'dsdt.dat'

cd ~ && iasl -d ~/'dsdt.dat'

gio open ~/'dsdt.dsl'

sudo dnf remove 'acpica-tools' && sync

• https://askubuntu.com/a/371269

sudo apt install 'read-edid'

sudo get-edid | parse-edid

• Use --reduced only for LCD/Non-CRT displays, and only as-needed ¹⁴⁾
• Syntax is horizontal (width), vertical (height) and refresh rate

cvt '3840' '2160' '60'

cvt --reduced '3840' '2160' '60'

--reduced

• Changes are lost after reboot
• Values after --newmode are from the above generate command, and is everything after Modeline

xrandr --newmode "3840x2160R"  533.00  3840 3888 3920 4000  2160 2163 2168 2222 +hsync -vsync

xrandr --addmode 'HDMI-A-0' '3840x2160R'

xrandr --output 'HDMI-A-0' --mode '3840x2160R'

xrandr --verbose | grep *current

• Identifier is the output port the display is connected to
• Modeline is from the above generate command, including the text Modeline
• PreferredMode is the custom resolution name generated

Section "Monitor"
    Identifier  "HDMI-A-0"
    Modeline x
    Option      "PreferredMode" "3840x2160R"
EndSection

• The following commands with an asterisk expect only one backlight controller at /sys/class/backlight
• This was only tested on one laptop with intel_backlight
• See Power Management notes on how to add backlight changes to a udev script
• See backlight for more details

ls '/sys/class/backlight'

cat '/sys/class/backlight/'*'/brightness'

cat '/sys/class/backlight/'*'/max_brightness'

• Change 376 to desired brightness
• Desired brightness must be under max_brightness value

echo "376" | sudo tee '/sys/class/backlight/'*'/brightness' > '/dev/null'

echo "$(cat '/sys/class/backlight/'*'/max_brightness')" | sudo tee '/sys/class/backlight/'*'/brightness' > '/dev/null'

sudo cat '/sys/kernel/debug/dri/0/i915_guc_info'

sudo cat '/sys/kernel/debug/dri/0/i915_guc_load_status'

grep -e "processor" -e "core id" -e "^$" /proc/cpuinfo

gcc -v -E -x c -march=native -mtune=native - < /dev/null 2>&1 | grep cc1 | perl -pe 's/ -mno-\S+//g; s/^.* - //g;'

history -cw

• Change x in x.7z to the desired archive name
• Change CHANGEME in -pCHANGEME to the desired password

sudo apt install 'p7zip-full'

7za a 'x.7z' -p'CHANGEME'

• x is a secret without &digits=6

sudo apt install 'oathtool'

oathtool --totp -b 'x'

sudo apt install 'libimage-exiftool-perl'

exiftool -all= *.* -overwrite_original