configs
Dispositivos#
PC Master Race
- OS: Kubuntu 26.04 LTS
- CPU: AMD Ryzen 5 3600
- GPU: AMD Radeon RX 6800 16 GB
- RAM: 32 GB (4×8 GB GeIL Super Luce DDR4 3200 MHz)
- NVMe: 1 TB (2×512 GB Adata XPG Spectrix S40G)
- Motherboard: ASUS TUF Gaming X570-PRO (Wi-Fi)
- Mouse: Logitech G305
- Teclado: HyperX Alloy Origins Core con keycaps Razer Pink PBT
- Auriculares: Audio-Technica ATH-M50x con FiiO BTA10 y Sony Inzone H9
Instalación base#
Kubuntu 26.04 instalado en modo UEFI. Los dos NVMe usan LUKS2.
Disco del sistema:
- Partición EFI de 1 GiB
/bootext4 de 4 GiB- LUKS2 -> LVM
/Btrfs de 96 GiB con los subvolúmenes/@y/@swap/homeXFS de 370 GiB sobre un pool VDO físico de 357 GiB con compresión y deduplicación- Swap file de 4 GiB en
/swap/swapfile
Disco de datos:
- LUKS2 -> LVM VDO ->
/dataXFS de 470 GiB - Pool VDO físico de 453 GiB con compresión y deduplicación
- Desbloqueo automático con una clave guardada en el disco cifrado del sistema; passphrase de recuperación separada
BIOS#
- Cargar valores predeterminados optimizados
- Configurar RAM a 3200 MHz con DOCP/XMP
- Habilitar Above 4G Decoding
- Habilitar Resizable BAR
- Habilitar SVM Mode / AMD-V
- Deshabilitar Secure Boot
- Deshabilitar CSM
- Configurar los coolers para que hagan el menor ruido posible
Linux#
GRUB#
sudo tee /etc/default/grub.d/99-preempt.cfg > /dev/null << 'EOF'
GRUB_CMDLINE_LINUX_DEFAULT="$GRUB_CMDLINE_LINUX_DEFAULT preempt=full"
EOF
sudo update-grub
LUKS performance#
Las opciones persistentes están en /etc/crypttab:
system_crypt UUID=<system-luks-uuid> none luks,discard,no-read-workqueue,no-write-workqueue
data_crypt UUID=<data-luks-uuid> /etc/cryptsetup-keys.d/data_crypt.key luks,discard,no-read-workqueue,no-write-workqueue,nofail
Para verificar los mappings activos:
sudo cryptsetup status system_crypt
sudo cryptsetup status data_crypt
no-read-workqueue/no-write-workqueuesaltean las workqueues internas de dm-crypt en los NVMe.discardpasa los descartes a través de LUKS. Ayuda al SSD y a VDO a recuperar bloques borrados, pero expone patrones de asignación.- La clave del disco de datos está protegida en reposo por el LUKS del disco del sistema.
Filesystems y VDO#
Entradas relevantes de /etc/fstab:
UUID=<root-btrfs-uuid> / btrfs subvol=/@,defaults,noatime,compress=zstd:3,discard=async 0 0
UUID=<home-xfs-uuid> /home xfs defaults,noatime 0 2
UUID=<root-btrfs-uuid> /swap btrfs subvol=/@swap,defaults,noatime 0 0
/swap/swapfile none swap defaults 0 0
UUID=<data-xfs-uuid> /data xfs defaults,noatime,nofail,x-systemd.device-timeout=30s 0 2
Los dos filesystems XFS tienen compresión y deduplicación VDO por debajo. Cada pool VDO usa inicialmente el 95% del espacio libre de su volume group. Los extents restantes permiten que LVM extienda el pool si aumenta mucho el uso físico.
# /etc/lvm/lvm.conf
activation {
vdo_pool_autoextend_threshold=70
vdo_pool_autoextend_percent=5
}
La extensión automática requiere que dmeventd monitoree cada pool VDO. Verificar que seg_monitor muestre monitored en la salida de lvs.
sudo lvs -a -o name,vg_name,lv_size,segtype,data_percent,seg_monitor,vdo_compression,vdo_deduplication
sudo vdostats --human-readable
sysctl#
sudo tee /etc/sysctl.d/99-zram.conf > /dev/null << 'EOF'
vm.swappiness = 150
EOF
sudo tee /etc/sysctl.d/99-inotify.conf > /dev/null << 'EOF'
fs.inotify.max_user_instances = 8192
fs.inotify.max_user_watches = 524288
fs.inotify.max_queued_events = 16384
EOF
sudo sysctl --system
zram#
sudo apt install systemd-zram-generator && \
sudo tee /etc/systemd/zram-generator.conf > /dev/null << 'EOF'
[zram0]
zram-size = ram / 2
compression-algorithm = zstd
swap-priority = 100
EOF
sudo systemctl daemon-reload && sudo systemctl start dev-zram0.swap
Swap file Btrfs#
sudo swapoff /swap/swapfile && \
sudo rm -f -- /swap/swapfile && \
sudo btrfs filesystem mkswapfile --size 4G /swap/swapfile && \
sudo swapon /swap/swapfile
El swap en disco queda como fallback cuando zram se llena.
OOM#
sudo apt install systemd-oomd && \
sudo systemctl enable --now systemd-oomd.service
CPU#
powerprofilesctl set performance
WiFi Intel AX200#
sudo mkdir -p /etc/modprobe.d && \
sudo tee /etc/modprobe.d/iwlwifi-fix.conf > /dev/null << 'EOF'
options iwlmvm power_scheme=1
EOF
NetworkManager#
sudo tee /etc/NetworkManager/conf.d/99-mac-address-policy.conf > /dev/null << 'EOF'
[connection]
wifi.cloned-mac-address=stable
EOF
sudo systemctl restart NetworkManager
Paquetes#
apt#
apt_packages=(
# Build and development
autoconf automake bear build-essential clang cmake
libfuse-dev libfuse3-dev libtool meson ninja-build pkg-config
python-is-python3 python3-dev python3-full python3-venv valgrind
# Shell and CLI
ble.sh direnv jo thefuck universal-ctags xmlstarlet
# Networking and security
aria2 axel hashcat httpie
nethogs nload nmap redis-tools speedtest-cli ssh sshpass
torbrowser-launcher tshark whois wireshark
# Audio, video, and images
audacity ffmpegthumbnailer gifsicle handbrake mpv optipng pamixer
pdfgrep playerctl pngquant tidy vlc
# Containers and virtualization
buildah cockpit cockpit-podman criu distrobox libvirt-daemon-system podman
podman-docker podman-toolbox qemu-system-x86 virt-manager
# Hardware and desktop
adb brightnessctl ddcui ddcutil fastboot filelight flatpak gamemode ghostty
kde-config-flatpak openrgb
plasma-discover-backend-flatpak ydotool
# Languages and spell checking
aspell-es fcitx5-mozc hunspell-es hyphen-en-us hyphen-es
mythes-en-us mythes-es
# System utilities and maintenance
antiword bleachbit btop cabextract clamav diffoscope duf expect firejail
hw-probe hyperfine inotify-tools iotop-c ncdu needrestart nvtop procs
timeshift trash-cli tree unrar
# Fun
cmatrix fortune-mod sl toilet
)
sudo apt install "${apt_packages[@]}"
if command -v fdfind >/dev/null; then
mkdir -p "$HOME/.local/bin" && \
ln -sfn "$(command -v fdfind)" "$HOME/.local/bin/fd"
fi
Permisos de usuario#
sudo usermod -aG kvm,libvirt "$USER"
sudo usermod -aG wireshark "$USER"
ROCm#
sudo apt install rocm rocm-podman-support && \
sudo usermod -aG render,video "$USER"
Cerrar sesión y volver a entrar.
APT security auto-updates#
sudo apt install unattended-upgrades && \
sudo tee /etc/apt/apt.conf.d/20auto-upgrades > /dev/null << 'EOF'
APT::Periodic::Update-Package-Lists "1";
APT::Periodic::Download-Upgradeable-Packages "1";
APT::Periodic::AutocleanInterval "7";
APT::Periodic::Unattended-Upgrade "1";
EOF
Ubuntu Pro#
sudo pro attach
pro status
Repos externos#
extrepo#
extrepo gestiona repositorios externos. Buscá con extrepo search, habilitá con extrepo enable.
sudo apt install extrepo && \
sudo extrepo enable brave_release librewolf steam tailscale vscode && \
sudo apt update && \
sudo apt install brave-browser code librewolf steam tailscale && \
sudo tailscale up
Gestores y runtimes#
Homebrew#
/bin/bash -c "$(curl --proto '=https' --tlsv1.2 -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)" && \
eval "$(/home/linuxbrew/.linuxbrew/bin/brew shellenv)" && \
brew install atuin bat cowsay croc editorconfig eza fd fnm gh glab go hugo just \
lazygit magic-wormhole moreutils neovim pandoc pipx pre-commit ripgrep-all \
shellcheck shfmt starship tealdeer tmux topgrade ugrep uv yq yt-dlp zoxide
Topgrade config#
mkdir -p "$HOME/.config" && \
cat > "$HOME/.config/topgrade.toml" << 'EOF'
[misc]
assume_yes = true
cleanup = true
ask_retry = false
notify_end = "on_failure"
EOF
pnpm global#
eval "$(fnm env --use-on-cd --shell bash)" && \
fnm install --lts --use && \
fnm default "$(fnm current)" && \
(command -v corepack >/dev/null || npm install --global corepack@latest) && \
corepack enable pnpm && \
corepack install --global pnpm@latest && \
mkdir -p "$HOME/.local/share/pnpm" && \
pnpm config set global-bin-dir "$HOME/.local/share/pnpm" --location=global
Seguridad npm / pnpm#
Hardening contra supply chain attacks: bloquear scripts de instalación y evitar paquetes recién publicados.
npm: no ejecutar scripts de terceros
npm config set ignore-scripts true --location=user
Bun: bloquear scripts y paquetes recién publicados
cat > "$HOME/.bunfig.toml" << 'EOF'
[install]
ignoreScripts = true
minimumReleaseAge = 86400
EOF
Con esto, npm no ejecuta preinstall ni postinstall de dependencias. Bun bloquea scripts y paquetes publicados hace menos de 1 día (86400 segundos). pnpm 11+ ya aplica una política integrada de 1 día en modo no estricto, así que no hace falta una configuración global extra.
Scripts#
Bun#
curl --proto '=https' --tlsv1.2 -fsSL https://bun.sh/install | bash
Rust / Cargo#
curl --proto '=https' --tlsv1.2 -fsSL https://sh.rustup.rs | sh
Apps#
Nerd Fonts#
brew install --cask font-hack-nerd-font font-ubuntu-mono-nerd-font && fc-cache -fv
Flatpak#
flatpak remote-add --if-not-exists flathub \
https://flathub.org/repo/flathub.flatpakrepo
flatpak install flathub \
com.github.wwmm.easyeffects com.github.PintaProject.Pinta \
com.github.tchx84.Flatseal com.obsproject.Studio \
com.obsproject.Studio.Plugin.OBSVkCapture//stable com.spotify.Client \
com.stremio.Stremio com.usebottles.bottles com.vysp3r.ProtonPlus \
dev.vencord.Vesktop io.github.flattool.Warehouse \
io.github.hedge_dev.hedgemodmanager io.podman_desktop.PodmanDesktop \
it.mijorus.gearlever net.lutris.Lutris net.retrodeck.retrodeck \
org.freedesktop.Platform.VulkanLayer.OBSVkCapture//25.08 org.gimp.GIMP \
org.kde.isoimagewriter org.kde.kdenlive org.kde.krita org.kde.yakuake \
org.libreoffice.LibreOffice \
org.localsend.localsend_app org.qbittorrent.qBittorrent org.signal.Signal \
org.telegram.desktop
Android Studio#
sudo snap install android-studio --classic
El Setup Wizard descarga el SDK en ~/Android/Sdk.
Zed#
curl --proto '=https' --tlsv1.2 -fsSL https://zed.dev/install.sh | sh
Codex#
curl --proto '=https' --tlsv1.2 -fsSL https://chatgpt.com/codex/install.sh | sh
Codex Desktop#
curl -fsSL -o /tmp/chatgpt.deb \
https://persistent.oaistatic.com/codex-app-prod/linux/deb/latest/chatgpt_amd64.deb && \
sudo apt install /tmp/chatgpt.deb && \
rm -- /tmp/chatgpt.deb
Trezor Suite#
Descargar Trezor Suite como AppImage y manejarlo con Gear Lever.
Timeshift#
sudo timeshift-gtk
Config:
- Tipo: Btrfs
- Ubicación: root Btrfs del disco del sistema
- Schedule: diario + semanal + boot
- Mantener: 3 diarios, 3 boot, 2 semanales
/homey/data: no se incluyen; los dos son filesystems XFS separados
Shell y terminal#
Ghostty#
mkdir -p "$HOME/.config/ghostty" && \
tee "$HOME/.config/ghostty/config.ghostty" > /dev/null << 'EOF'
background-opacity = "0.9"
font-family = "UbuntuMono Nerd Font"
font-size = "14"
theme = "Dark Pastel"
window-height = "32"
window-width = "100"
EOF
profile#
~/.profile:
# path helper
path_prepend() {
[ -d "$1" ] || return 0
case ":$PATH:" in
*":$1:"*) ;;
*) export PATH="$1:$PATH" ;;
esac
}
# local bin
path_prepend "$HOME/bin"
path_prepend "$HOME/.local/bin"
# android sdk
export ANDROID_HOME="$HOME/Android/Sdk"
path_prepend "$ANDROID_HOME/cmdline-tools/latest/bin"
path_prepend "$ANDROID_HOME/emulator"
path_prepend "$ANDROID_HOME/platform-tools"
# bun
export BUN_INSTALL="$HOME/.bun"
path_prepend "$BUN_INSTALL/bin"
# homebrew
if [ -x /home/linuxbrew/.linuxbrew/bin/brew ]; then
eval "$(/home/linuxbrew/.linuxbrew/bin/brew shellenv)"
fi
# pnpm
export PNPM_HOME="$HOME/.local/share/pnpm"
path_prepend "$PNPM_HOME"
# rust/cargo
[ -r "$HOME/.cargo/env" ] && . "$HOME/.cargo/env"
# solana
path_prepend "$HOME/.local/share/solana/install/active_release/bin"
# opencode
path_prepend "$HOME/.opencode/bin"
# grok
path_prepend "$HOME/.grok/bin"
# foundry
path_prepend "$HOME/.foundry/bin"
# if running bash
if [ -n "$BASH_VERSION" ]; then
# include .bashrc if it exists
if [ -r "$HOME/.bashrc" ]; then
. "$HOME/.bashrc"
fi
fi
bashrc#
~/.bashrc:
# ble.sh - load first, attach last
[[ $- == *i* && -r /usr/share/blesh/ble.sh ]] && source -- /usr/share/blesh/ble.sh --attach=none
# If not running interactively, don't do anything
case $- in
*i*) ;;
*) return 0 ;;
esac
HISTCONTROL=ignoreboth:erasedups
shopt -s histappend
HISTSIZE=100000
HISTFILESIZE=100000
shopt -s checkwinsize
shopt -s globstar
[ -x /usr/bin/lesspipe ] && eval "$(SHELL=/bin/sh lesspipe)"
if [ -x /usr/bin/dircolors ]; then
if [ -r "$HOME/.dircolors" ]; then
eval "$(dircolors -b "$HOME/.dircolors")"
else
eval "$(dircolors -b)"
fi
alias grep='grep --color=auto'
alias egrep='grep -E --color=auto'
alias fgrep='grep -F --color=auto'
fi
# aliases
alias alert='notify-send --urgency=low -i "$([ $? = 0 ] && echo terminal || echo error)" "$(history|tail -n1|sed -e '\''s/^\s*[0-9]\+\s*//;s/[;&|]\s*alert$//'\'')"'
if [ -r "$HOME/.bash_aliases" ]; then
. "$HOME/.bash_aliases"
fi
if ! shopt -oq posix; then
if [ -r /usr/share/bash-completion/bash_completion ]; then
. /usr/share/bash-completion/bash_completion
elif [ -r /etc/bash_completion ]; then
. /etc/bash_completion
fi
fi
# fnm
command -v fnm >/dev/null && eval "$(fnm env --use-on-cd --shell bash)"
# starship
command -v starship >/dev/null && eval "$(starship init bash)"
# thefuck - lazy load
if command -v thefuck >/dev/null; then
fuck() {
unset -f fuck
eval "$(thefuck --alias)"
fuck "$@"
}
fi
# fzf
command -v fzf >/dev/null && eval "$(fzf --bash)"
# zoxide
command -v zoxide >/dev/null && eval "$(zoxide init bash)"
# atuin
if command -v atuin >/dev/null; then
if [[ ${BLE_VERSION-} ]]; then
eval "$(atuin init bash --disable-up-arrow)"
ble-bind -x 'C-r' '__atuin_history'
else
eval "$(atuin init bash)"
fi
fi
# grok completion
command -v grok >/dev/null && [[ -r "$HOME/.grok/completions/bash/grok.bash" ]] && source "$HOME/.grok/completions/bash/grok.bash"
# ble.sh attach
[[ ! ${BLE_VERSION-} ]] || ble-attach
Servicios y red#
Podman socket#
systemctl --user enable --now podman.socket
SSH#
sudo systemctl enable --now ssh
UFW#
sudo apt install ufw && \
sudo ufw default deny incoming && \
sudo ufw default allow outgoing && \
sudo ufw allow OpenSSH && \
sudo ufw allow kdeconnect && \
sudo ufw enable
Gaming#
Eden#
Descargá Eden (emulador de Nintendo Switch) como AppImage y manejalo con Gear Lever. Usá el build amd64 PGO para mejor performance.
Sonic Unleashed Recompiled#
Descargá el Flatpak de Unleashed Recompiled e instalalo. Necesitás los archivos del Sonic Unleashed de Xbox 360 (US o EU), el title update, y opcionalmente el DLC (recomendado, incluye iluminación de alta calidad).
wget -O /tmp/UnleashedRecomp-Flatpak.zip \
https://github.com/hedge-dev/UnleashedRecomp/releases/latest/download/UnleashedRecomp-Flatpak.zip && \
unzip -o /tmp/UnleashedRecomp-Flatpak.zip -d /tmp/UnleashedRecomp && \
flatpak install /tmp/UnleashedRecomp/*.flatpak && \
rm -rf -- /tmp/UnleashedRecomp /tmp/UnleashedRecomp-Flatpak.zip
Steam#
- Habilitar Steam Play
- Opciones de lanzamiento por juego:
gamemoderun %command%
- Instalar Proton-CachyOS o Proton-GE con ProtonPlus
Half-Life / Portal / Counter-Strike#
-vulkan -novid -fullscreen
Sonic Adventure#
Usar Adventure Mods para configurar mods de Sonic Adventure DX y Sonic Adventure 2 en Linux.
Instalar el Flatpak:
flatpak install https://flatpak.4st.li/io.github.astrovm.AdventureMods.flatpakref
Abrir Adventure Mods y seguir el asistente de configuración.
GTA IV#
Instalar Grand Theft Auto IV: The Complete Edition desde Steam.
Instalar FusionFix: descargar GTAIV.EFLC.FusionFix.zip y extraerlo en la carpeta raíz del juego, donde está el .exe.
Opciones de lanzamiento en Steam:
WINEDLLOVERRIDES="dinput8=n,b" %command%
Git#
git config --global user.name "astrovm" && \
git config --global user.email "[email protected]" && \
git config --global init.defaultBranch main && \
git config --global pull.rebase true && \
git config --global rebase.autoStash true && \
git config --global core.autocrlf input && \
git config --global core.pager bat && \
git config --global fetch.prune true && \
git config --global rerere.enabled true
Exigí una referencia explícita al hacer push:
git config --global push.default nothing
Usá un hook global de pre-push para impedir pushes directos a main y master:
mkdir -p "$HOME/.config/git/hooks"
git config --global core.hooksPath "$HOME/.config/git/hooks"
cat > "$HOME/.config/git/hooks/pre-push" <<'EOF'
#!/bin/sh
while read local_ref local_oid remote_ref remote_oid; do
case "$remote_ref" in
refs/heads/main|refs/heads/master)
echo "Blocked: direct pushes to ${remote_ref#refs/heads/} are not allowed." >&2
echo "Create a branch and open a pull request instead." >&2
exit 1
;;
esac
done
exit 0
EOF
chmod +x "$HOME/.config/git/hooks/pre-push"
ssh-keygen -t ed25519 -C "[email protected]" && \
eval "$(ssh-agent -s)" && \
ssh-add "$HOME/.ssh/id_ed25519" && \
cat "$HOME/.ssh/id_ed25519.pub"
Pegar la clave pública en https://github.com/settings/ssh.