soobinrho/dotfiles-personal

# Repository Structure
# You can get this with `tree -a`
  ├── .config
  │   ├── alacritty
  │   │   └── alacritty.toml
  │   ├── konsolerc
  │   ├── obs-studio
  │   │   └── basic
  │   │       ├── profiles
  │   │       │   └── rhetorics_practice
  │   │       │       ├── basic.ini
  │   │       │       └── service.json
  │   │       └── scenes
  │   │           └── rhetorics_practice.json
  │   └── xfce4
  │       └── xfconf
  │           └── xfce-perchannel-xml
  │               └── xfce4-panel.xml
  ├── .gnupg
  │   └── gpg-agent.conf
  ├── .local
  │   └── share
  │       └── konsole
  │           ├── Breeze.colorscheme
  │           └── Profile1.profile
  └── .tmux.conf

# .zshrc

# "This option is a variant of INC_APPEND_HISTORY in which, where
# possible, the history entry is written out to the file after the
# command is finished."
# Source: https://zsh.sourceforge.io/Doc/Release/Options.html

# for setting history length see HISTSIZE and HISTFILESIZE in bash(1)
HISTSIZE=10000000
HISTFILESIZE=10000000

# Gather history from multiple temrinals.
# Source: https://askubuntu.com/a/80380
export PROMPT_COMMAND='history -a'

export MY_IP=$(ip -4 addr show tun0 2> /dev/null | grep -oP '(?<=inet\s)([0-9.]+){3}')
export MY_IP_eth0=$(ip -4 addr show eth0 2> /dev/null | grep -oP '(?<=inet\s)([0-9.]+){3}')
export MY_IP_wlan0=$(ip -4 addr show wlan0 2> /dev/null | grep -oP '(?<=inet\s)([0-9.]+){3}')

export PATH="$PATH:/opt/nvim/"
alias vim='nvim'
alias svim='sudo /opt/nvim/nvim'
alias ncdu='ncdu --color dark-bg --show-percent --show-itemcount --group-directories-first'
alias dockerrm="docker ps -aq | xargs docker stop | xargs docker rm"
alias dockervolumerm="docker volume ls -q | xargs docker volume rm"
alias dockerrmi="docker images -q | xargs docker rmi -f"

# Preferred editor for local and remote sessions.
if [[ -n $SSH_CONNECTION ]]; then
  export EDITOR='nvim'
else
  export EDITOR='nvim'
fi

# .bashrc

# Run zsh by default.
if test -t 1; then
    exec zsh
fi

HISTSIZE=10000000
HISTFILESIZE=10000000
export PROMPT_COMMAND='history -a'

# Update everyday automatically.
sudo dnf install -y dnf-automatic
sudo systemctl enable --now dnf-automatic-install.timer

# Update.
sudo dnf update -y

# Install git.
sudo dnf install -y git

# Install R.
sudo dnf install -y R

# Install PowerShell.
sudo rpm --import https://packages.microsoft.com/keys/microsoft.asc
sudo rpm -Uvh https://packages.microsoft.com/config/centos/8/packages-microsoft-prod.rpm
sudo dnf update -y
sudo dnf install -y powershell

# Install gh: GitHub CLI.
sudo dnf install -y gh
gh auth login
gh auth setup-git

# Install git-lfs: Git Large File Storage.
sudo dnf install -y git-lfs

# Install wipe: file/folder eraser.
# Btw, on Windows, Sdelete is recommended.
# Source:
#   https://uit.stanford.edu/security/data-sanitization
sudo dnf install -y wipe

# Install jpegoptim: jpeg compressor.
sudo dnf install -y jpegoptim
jpegoptim -v --size=240k example.jpg

# Install fastfetch: system information viewer.
sudo dnf install -y fastfetch

# Install htop: process viewer.
sudo dnf install -y htop

# Install ncdu: disk usage viewer.
wget https://dev.yorhel.nl/download/ncdu-2.9.1-linux-x86_64.tar.gz
tar xvf ./ncdu-2.9.1-linux-x86_64.tar.gz
sudo chmod 755 ./ncdu
mv ./ncdu ~/.local/bin/

# Install variety: Wallpaper rotator using Bing Images of the Day.
sudo dnf install -y variety

# Install glances: system resources viewer.
sudo dnf install -y glances

# Install bat: colored, cooler version of cat.
sudo dnf install -y bat
mkdir -p ~/.local/bin
ln -s /usr/bin/batcat ~/.local/bin/bat

# Install asciinema: terminal session recording tool.
sudo dnf install -y asciinema

# Install Pinta and GIMP: image editing tools.
sudo dnf install -y pinta gimp

# Install xournal: pdf annotation tool.
sudo dnf install -y xournal

# Install obs-studio: screencasting/streaming tool.
sudo dnf install -y obs-studio

# Install FFmpeg: multimedia encoding/decoding tool.
sudo dnf install -y ffmpeg

# Install vlc: video player.
sudo dnf install -y vlc

# Remove nano in order to make vim the default editor.
sudo dnf remove -y nano

# Install irssi: irs client.
sudo dnf install -y irssi

# Add default channel and enable auto log-in in irssi.
# Source:
#   https://irssi.org/documentation/manual/automation/
# irssi
# /SERVER MODIFY -auto irc.libera.chat
# /CHANNEL ADD -auto #freebsd-soc liberachat
# /NETWORK ADD -sasl_username yourname -sasl_password yourpassword -sasl_mechanism PLAIN liberachat
# /SET window_default_hidelevel hidden joins parts quits
# /SET autolog on

# ---------------------------------------------------------------------
# Enable auto updates so that security patches are installed promptly.
# ---------------------------------------------------------------------
sudo apt install -y unattended-upgrades
sudo dpkg-reconfigure -plow unattended-upgrades

# ---------------------------------------------------------------------
# Install development tools.
# ---------------------------------------------------------------------
sudo apt update -y
sudo apt upgrade -y
sudo apt install -y curl tree git git-lfs wipe ffmpeg \
    jpegoptim irssi fastfetch htop ncdu glances asciinema \
    xournal vlc gimp obs-studio powerstat variety

sudo snap install pinta tldr
tldr -u

# Install ncdu: disk usage viewer.
wget https://dev.yorhel.nl/download/ncdu-2.9.1-linux-x86_64.tar.gz
tar xvf ./ncdu-2.9.1-linux-x86_64.tar.gz
sudo chmod 755 ./ncdu
mv ./ncdu ~/.local/bin/

# Since I only use vim, uninstall nano.
sudo apt remove -y nano

# Install bat: colored, cooler version of cat.
sudo apt install -y bat
mkdir -p ~/.local/bin
ln -s /usr/bin/batcat ~/.local/bin/bat

# Install gh from https://cli.github.com/

# Install nerd-fonts: fonts with better icons support.
git clone --depth 1 https://github.com/ryanoasis/nerd-fonts.git
nerd-fonts/install.sh
rm -rf nerd-fonts

# Source: https://unix.stackexchange.com/a/473883
ls /dev
mount /dev/sdb1 /cdrom

sudo apt update; sudo apt upgrade -y && reboot

uname -r
sudo apt-mark hold 6.12.38  # sudo apt-mark unhold 6.12.38 in the future if needed.
sudo apt update
sudo apt full-upgrade -y
dpkg -l | grep linux-image
sudo apt purge linux-image-6.16.8+kali-amd64
reboot

# Download: https://kali.download/kali/pool/main/l/linux/
sudo apt install ./linux-kbuild-6.12.38+kali_6.12.38-1kali1_amd64.deb
sudo apt install ./linux-headers-6.12.38+kali-common_6.12.38-1kali1_all.deb
sudo apt install ./linux-headers-6.12.38+kali-amd64_6.12.38-1kali1_amd64.deb

# Download: https://in.download.nvidia.com/XFree86/Linux-x86_64/570.153.02/NVIDIA-Linux-x86_64-570.153.02.run
chmod +x ./NVIDIA-Linux-x86_64-570.153.02.run
sudo ./NVIDIA-Linux-x86_64-570.153.02.run
reboot
sudo apt install pkg-config
sudo nvidia-settings
hashcat -I
watch -d -n 0.5 nvidia-smi

# How to reduce grub timeout from 5 seconds to 1 second.
sudo sed -i -e 's/GRUB_TIMEOUT=5/GRUB_TIMEOUT=1/g' /etc/default/grub
sudo update-grub

# How to restore my taskbar setup.
cp ./home/soobinrho/.config/xfce4/xfconf/xfce-perchannel-xml/xfce4-panel.xml ~/.config/xfce4/xfconf/xfce-perchannel-xml/xfce4-panel.xml
reboot

# How to open up system information on startup.
sudo apt install -y konsole
crontab -e
crontab > @reboot DISPLAY=:0.0 konsole -p 'Font=RobotoMono Nerd Font Mono,17' -e 'watch -d -n 0.5 nvidia-smi'

# How to check network connectivity status.
sudo nmcli general status
sudo nmcli radio all
sudo nmcli connection
sudo netstat --route --numeric

# How to move over files from a USB.
mkdir ~/usb
sudo mount /dev/sda3 ~/usb
rsync --progress -ua ~/usb/2025-10-16 ~/
sudo umount ~/usb

# How to control the Xorg server.
sudo service lightdm stop
sudo service lightdm start

# How to connect to a Wifi.
sudo nmcli device wifi list
sudo nmcli device wifi connect <SSID> --ask

# How to use `man`.
man --all intro  # Show intro manual pages. --all flag shows all manuals instead of just one.
man --apropos disk  # Search manuals that contain a keyword.
man --whatis nmcli  # Lookup what a program is.

# Useful utilities.
open .  # Open current directory with user's preferred program.
locate /rules  # Find folders called rules.
updatedb  # Manually the index for `locate`. Daily run by default.

# How to turn off the mic mute keyboard backlight.
sudo su -
echo 0 > /sys/class/leds/platform::micmute/brightness

# The network manager icon is white, so we have to switch to dark mode.
# Right click taskbar > Panel > Panel preferences... > Appearance > Dark Mode.

# Display my ip addresses widget on the taskbar.
# Right click taskbar > Panel > Add New Items... > Generic Monitor.
# Use three widgets with no label and a period of 90 seconds.
# 1. `/home/kali/widget_ip eth0`
# 2. `/home/kali/widget_ip tun0`
# 3. `echo target0=127.16.1.3`
# 4. `echo target1=127.16.1.10`
# 5. `echo target2=127.16.1.35`
cp dotfiles-personal/home/soobinrho/widget_ip ~/

# Appearance setup.
# Windows button > Appearance
# ./Settings > Window Scaling 2x
# ./Fonts > Default Font 14px
# ./Fonts > Default Monospace Font 14px
# ./Style > Kali-Dark
# ./Icons > Flat-Remix-Green-Dark

# ---------------------------------------------------------------------
# How to use dotfiles in this repo.
# ---------------------------------------------------------------------
# Konsole dotfiles.
cp ./.config/konsolerc ~/.config/
cp ./.local/share/konsole/* ~/.local/share/konsole/

# GPG agent configs.
cp ./.gnupg/gpg-agent.conf ~/.gnupg/gpg-agent.conf

# ---------------------------------------------------------------------
# MSI Motherboard Fan Settings
# ---------------------------------------------------------------------
# I noticed that my fan settings were all over the place and were
# making fans work too much unnecessarily even at perfectly low temp.
# These settings make my computer virtually silent at low load and
# yet powerful when the load requires it.
# 1. CPU: Auto - Smart Fan Mode.
# 2. System (All case fans): PWM - Smart Fan Mode.

# ---------------------------------------------------------------------
# How to install Alacritty.
# ---------------------------------------------------------------------
# Alacritty is a fast OpenGL terminal emulator.
sudo dnf install -y alacritty  # Fedora
sudo snap install alacritty --classic  # Ubuntu

# Apply my Alacritty configs.
git clone https://github.com/soobinrho/dotfiles-personal.git
cd /dotfiles-personal/home/soobinrho
mkdir -p ~/.config/alacritty
cp ./.config/alacritty/* ~/.config/alacritty/

# Go to Shortcuts settings and unbind Konsole's Ctrl + Alt + t shortcut.
# Bind alacritty to Ctrl + Alt + t.

# ---------------------------------------------------------------------
# vt-cli (VirusTotal CLI) workflows.
# ---------------------------------------------------------------------
# Install vt-cli from:
#   https://github.com/VirusTotal/vt-cli/releases
wget https://github.com/VirusTotal/vt-cli/releases/download/1.0.1/Linux64.zip
unzip Linux64.zip
sudo mv vt /usr/local/bin/

# Get an API key from:
#   https://www.virustotal.com/
vt init

# How to get a SHA256.
shasum -a 256 fileName > fileName.sha

# How to see if a file is in the VirusTotal database using SHA256.
vt file <file_SHA256_hash>

# How to get information about a website.
vt url https://example.com

# ---------------------------------------------------------------------
# How to install Anaconda and disable automatic activation.
# ---------------------------------------------------------------------
# Download https://www.anaconda.com/download and then:
~/anaconda3/bin/conda init zsh
conda config --set auto_activate_base false

# ---------------------------------------------------------------------
# How to create a new SSH key.
# Source:
#   https://www.digitalocean.com/community/tutorials/how-to-set-up-ssh-keys-on-ubuntu-20-04
# ---------------------------------------------------------------------
# Create a key with the length of 4096 bits
ssh-keygen -b 4096

# Copy the public key to the SSH server
ssh-copy-id root@ip_address

# ---------------------------------------------------------------------
# How I set up my client-side SSH configs.
# Source:
#   https://unix.stackexchange.com/questions/708206/ssh-timeout-does-not-happen-and-not-disconnect
# ---------------------------------------------------------------------
# How to configure the SSH client to time-out less frequently.
cat >> ~/.ssh/config
Host *
  ServerAliveInterval 15
  ServerAliveCountMax 3

# How to create an alias so that we can `ssh myserver` instead of
# `ssh main@ip_address` everytime.
cat >> ~/.ssh/config
Host myserver
    HostName ip_address
    User main

# ---------------------------------------------------------------------
# DANGER: Secure devices only.
# How to copy both the public and private GPG keys to secondary laptop.
# ---------------------------------------------------------------------
# Note that I'm copying my private key as well
# because both the SSH server and client are my personal laptops.
# Never transfer your private keys, unless you absolutely need to.
rsync --archive ~/.gnupg $(whoami)@ip_address:~

# The --archive option preserves
# all permissions, modification times, and
# everytihng inside the directory recursively

# ---------------------------------------------------------------------
# DANGER: Secure devices only.
# How to copy both the public and private SSH keys to secondary laptop.
# ---------------------------------------------------------------------
# This also copies `authorized_keys`, `config`, and `known_hosts`.
# Again, never transfer your private keys, unless you absolutely need to.
rsync --archive ~/.ssh $(whoami)@ip_address:~
rsync --archive ~/.gitconfig $(whoami)@ip_address:~/.gitconfig

# ---------------------------------------------------------------------
# How to disable updates for specific packages in dnf.
# ---------------------------------------------------------------------
sudo vim /etc/dnf/dnf.conf

# Add the following line. For example, exclude=kernel*
exclude=package-name-version18*

# ---------------------------------------------------------------------
# How to increase number of kernels retained in Fedora.
# ---------------------------------------------------------------------
sudo vim /etc/dnf/dnf.conf

# Change this:
installonly_limit=<number>

# ---------------------------------------------------------------------
# How to triple boot in Windows, Ubuntu, and Fedora.
# ---------------------------------------------------------------------
# Install Windows, Ubuntu, and then Fedora.

# How to make a Fedora / Ubuntu installation USB.
lsblk
sudo dd if=Fedora-KDE.iso of=/dev/sdb bs=16M oflag=direct; sync

# How to make a Windows installation USB.
sudo dnf install WoeUSB
sudo woeusb --device Win10.iso /dev/sdb --target-filesystem ntfs

# ---------------------------------------------------------------------
# How to disable GUI in Ubuntu.
# ---------------------------------------------------------------------
# Disable the GUI.
sudo apt remove lightdm

# How to re-enable the GUI.
sudo apt install lightdm
reboot

# ---------------------------------------------------------------------
# How to extract a high quality audio from a video file.
# ---------------------------------------------------------------------
ffmpeg -i sample.avi -q:a 0 -map a sample.mp3

# ---------------------------------------------------------------------
# How to make a screencast gif.
# ---------------------------------------------------------------------
# 1. Screencast with the simplescreenrecorder or obs-studio.

# 2. Go to gifski's GitHub page and then build from source.
#    https://github.com/ImageOptim/gifski

# 3. Convert the screencast video into png files.
ffmpeg -i example.mkv frame%04d.png

# 4. Convert to gif.
~/gifski/target/release/gifski -o example.gif frame*.png --repeat 0 -Q 100 --fps 50 -W 960 -H 516

# If you're just trying to turn a terminal session into a gif, there's
# a simpler way using asciinema and svg-term-cli.
asciinema rec
svg-term --cast=11345 --out example.svg

# ---------------------------------------------------------------------
# How to compress a pdf file to reduce size.
# ---------------------------------------------------------------------
sudo apt install ghostscript
gs -sDEVICE=pdfwrite -dPDFSETTINGS=/ebook -q -o compressed.pdf original.pdf

# ---------------------------------------------------------------------
# How to securely delete files.
# ---------------------------------------------------------------------
wipe -r ./folder

# Quick mode (overwrite only 4 times).
wipe -rq ./folder

# ---------------------------------------------------------------------
# How to encrypt and decypt files using GPG.
# ---------------------------------------------------------------------
# Encrypt.
gpg -e important_document.pdf

# Decrypt.
gpg important_document.pdf.gpg

# Encrypt all files recursively.
find . -type f -not -name "*.gpg" -not -path '*/.*' | xargs gpg -v --batch --yes --recipient soobinrho@gmail.com --encrypt-files

# Decrypt all files recursively.
find . -type f -name "*.gpg" | xargs gpg -v --batch --decrypt-files

# ---------------------------------------------------------------------
# Useful system commands.
# ---------------------------------------------------------------------
hist  # View ~/.zsh_history, ~/.bash_history, etc.
!<history line number>  # Get that command from history.
!<string>  # Get the most recent command that starts with this string.

# How to use `cut` to filter data.
who | cut -c 1-8  # outputs the first eight characters.
who | cut -d' ' -f1,2  # sets the delimiter as ` ` and outputs the first and second columns.

# How to sort in reverse.
who | cut -d' ' -f2 | sort -r

# How to get unique data.
who | cut -d' ' -f1 | uniq

# How to reconfigure GRUB.
sudo grub2-mkconfig -o /boot/grub2/grub.cfg

# How to shutdown.
poweroff

# How to suspend.
systemctl suspend

# How to find files containing a certain text.
grep -R "Certain text" .

# How to read in hexadecimal.
xxd <file name>

# How to read in binary.
hexdump -b <file name>

# Install zsh4humans: A preconfigured framework for Zsh.
# It aims to have everything ready to be used out of the box.
if command -v curl >/dev/null 2>&1; then
  sh -c "$(curl -fsSL https://raw.githubusercontent.com/romkatv/zsh4humans/v5/install)"
else
  sh -c "$(wget -O- https://raw.githubusercontent.com/romkatv/zsh4humans/v5/install)"
fi

sudo apt install gh
gh auth login

git config --global user.name "Soobin Rho"
git config --global user.email "soobinrho@gmail.com"
git config --global core.editor vim
git config --global init.defaultBranch main
git config --global alias.c 'commit -s'
git config --global alias.s 'status'
git config --global alias.l 'log --pretty=oneline --graph --abbrev-commit'

# Generate a key pair.
gpg --full-gen-key

# Get the key's key ID.
# You'll get an output like this:
# sec    rsa4096/BC0596A444D39F64 2022-07-06
# BC0596A444D39F64 is the key ID.
gpg --list-secret-keys --keyid-format LONG

# Copy and paste the key's public key to GitHub's GPG Key section settings.
gpg --armor --export BC0596A444D39F64

# Configure git to sign all commits with the key.
git config --global user.signingkey BC0596A444D39F64
git config --global commit.gpgSign true

# ---------------------------------------------------------------------
# How to see all git configs.
# ---------------------------------------------------------------------
# See global configs.
git config --global --edit

# See local configs.
git config --edit

# ---------------------------------------------------------------------
# How to delete untracked files and folders in git.
# ---------------------------------------------------------------------
git clean -fd

# ---------------------------------------------------------------------
# How to clean .git
# ---------------------------------------------------------------------
# Source: https://stackoverflow.com/a/5277575
git reflog expire --expire=now --all
git repack -ad
git prune

# ---------------------------------------------------------------------
# How to rebase in git, including squashing.
# ---------------------------------------------------------------------
git rebase -i HEAD~15
git rebase -i --root

# ---------------------------------------------------------------------
# How to rebase a pull-request commit.
# ---------------------------------------------------------------------
git remote add upstream https://github.com/TreeHacks/website.git
git fetch upstream
git rebase upstream/2023-finaldesign
git push -f

# ---------------------------------------------------------------------
# How to erase sensitive information from git history.
# Source:
#   https://docs.github.com/en/authentication/keeping-your-account-and-data-secure/removing-sensitive-data-from-a-repository
# ---------------------------------------------------------------------
python ../git-filter-repo.py --replace-text <(echo "password==>REDACTED_USING_GIT_FILTER_REPO") --force
python ../git-filter-repo.py --replace-message <(echo "password==>REDACTED_USING_GIT_FILTER_REPO") --force
git push --force --mirror origin

# ---------------------------------------------------------------------
# How to sign all commits with GPG.
# ---------------------------------------------------------------------
git rebase --exec 'git commit --amend --no-edit -n -S' --root

# ---------------------------------------------------------------------
# How to reset commit history in a git repository.
# Source:
#   https://stackoverflow.com/a/26000395
# ---------------------------------------------------------------------
git checkout --orphan latest_branch
git add -A
git commit -am"refactor: reset all commit history for security"
git branch -D main  # Delete the original branch.
git branch -m main  # Rename the orphan branchto main.
git push -f origin main

# ---------------------------------------------------------------------
# How to reset file permissions in git.
# Source:
#   https://stackoverflow.com/a/4408378
# ---------------------------------------------------------------------
git diff -p -R --no-ext-diff --no-color --diff-filter=M \
    | grep -E "^(diff|(old|new) mode)" --color=never  \
    | git apply

# Install tlp: power management and battery care.
sudo dnf install -y tlp tlp-rdw  # Fedora only
sudo dnf remove power-profiles-daemon  # Fedora only
systemctl enable tlp.service  # Fedora only
systemctl mask systemd-rfkill.service systemd-rfkill.socket  # Fedora only

sudo add-apt-repository ppa:linrunner/tlp  # Ubuntu only
sudo apt update -y  # Ubuntu only
sudo apt install -y tlp tlp-rdw  # Ubuntu only

# For Kali, build from source: https://linrunner.de/tlp/installation/others.html

# "If the laptop is plugged most of the time and rarely unplugged,
# maximizing battery lifetime at the cost of a greatly reduced runtime
# may be acceptable, with values like starting charge at 40% and
# stopping at 50%.
#
# On the contrary, if you use it unplugged most of the time, starting
# charge at 85% and stopping at 90% would allow for a much longer
# runtime and still give a lifespan benefit over the factory settings.
# Default TLP settings (only if you uncomment the relevant lines) are
# slightly more protective regarding lifespan, with 75/80% charge
# thresholds."
# Source:
#   https://linrunner.de/tlp/faq/battery.html#how-to-choose-good-battery-charge-thresholds

# Note: I don't use my laptop a lot, so 70%/80% threshold.
# Reminder to change it to 40%/50% once I graduate.

# Set `START_CHARGE_THRESH_BAT0=70`
# Set `STOP_CHARGE_THRESH_BAT0=80`
# Set `CPU_ENERGY_PERF_POLICY_ON_AC=performance`
# Set `PLATFORM_PROFILE_ON_AC=performance`
sudo vim /etc/tlp.conf

sudo tlp start

# See running status of tlp.
sudo tlp-stat -s

# See power statistics.
tlp-stat --psup

# Install powerstat: Power consumption measurement.
sudo dnf install -y powerstat  # Fedora

# Observations for my P14s Gen 2 AMD
# ==================================
# 1. 10% brightness, no wifi = 3.7 watt
# 2. 10% brightness, wifi    = 4.7 watt
# 3. 10% brightness, wifi    = 4.7 watt
# 4. 70% brightness, wifi    = 6.0 watt

# Source: https://www.redhat.com/sysadmin/introduction-tmux-linux
# Install tmux: the best terminal multiplexer.
sudo dnf install -y tmux  # Fedora
sudo apt install -y tmux  # Ubuntu

# Apply my tmux configs.
git clone https://github.com/soobinrho/dotfiles-personal.git
cd /dotfiles-personal/home/soobinrho
cp ./.tmux.conf ~/

# Install the plugin manager.
git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm

# Reload tmux configs that includes tmux plugins installation list.
# By default, the prefix key is ctrl + b, but I like ctrl + a better.
# This also has the advantage of being able to nest tmux in SSH sessions.
# Use the ctrl + a as main prefix, and ctrl + b will work inside nested tmux.
tmux source ~/.tmux.conf

# Press Ctrl+a I to install the plugins.
# The systme resources status bar at the bottom, for example, requires this.

# If tmux-mem-cpu-load installation exits with a cmake error,
# then install cmake with
sudo dnf install -y cmake  # Fedora
sudo apt install -y cmake  # Ubuntu

# How to see all sessions.
tmux ls

# How to attach to existing session.
tmux attach

# How to create a new session.
tmux new-session

# How I prefer to start a new terminal.
# 1. Since .zshrc is set to open tmux by default, it will open tmux and
#    then create a new sesion.
# 2. Ctrl+a w to go to original sessions and delete the newly-created
#    session if needed.

# How I prefer to close terminal at the end.
# Ctrl+a Ctrl+s = Save sessions.
# Ctrl+a d = Detach from tmux.
# Ctrl d = Exit from terminal.

# My favorite keybindings
# =======================
# Ctrl+a ? = Show all shortcuts.
# Ctrl+a d = Detach from current session.
# Ctrl+a w = See all sessions, windows, and panes. Here, you can press x to kill.
# =======================
# Ctrl+a c = Create a new window.
# Ctrl+a <0|1|2|3|4|5|6|7|8|9> = Move to window using index.
# Ctrl+a n = Move to the next window.
# Ctrl+a p = Move to the previous window.
# Ctrl+a . = Give a new index to the current window.
# Ctrl+a , = Rename window.
# =======================
# Ctrl+a :new = Create a new session.
# Ctrl+a $ = Rename session.
# =======================
# Ctrl+a Space = Rotate through major preset pane arrangements.
# Ctrl+a Alt+<3|4|5> = Useful preset pane arrangements.
# Ctrl+a % = Split the window into two panes horizontally.
# Ctrl+a " = Split the window into two panes vertically.
# Ctrl+a <left|right|up|down> = Move between panes.
# Ctrl+a <{|}> = Switch panes with each other.
# Ctrl+a Ctrl+<left|right|up|down> = Resize pane.
# Ctrl+a x = Close pane.
# =======================
# Ctrl+a I = Install plugins specified at ~/.tmux.conf
# Ctrl+a Ctrl+s = Save panes and sessions.
# Ctrl+a Ctrl+r = Load saved panes and sessions.
# Ctrl+a [ = Enter copy mode. Here, drag with mouse and press y to copy. Supported by tmux-yank.
#            Also, use vi keybindings to move around. Spacebar to select.
# =======================
# Ctrl+a cjkl = Move to a different pane (tmux-pain-control).
# Ctrl+a shift+alt+i = Log all terminal i/o from this terminal (tmux-logging).

# Install Neovim.
# Download .appimage from https://github.com/neovim/neovim/releases
sudo chmod u+x nvim-linux-x86_64.appimage
sudo mkdir -p /opt/nvim
sudo mv nvim-linux-x86_64.appimage /opt/nvim/nvim
# add `export PATH="$PATH:/opt/nvim/"` to the profile dotfile.

# Install Nerd Fonts.
curl -fsSL https://raw.githubusercontent.com/getnf/getnf/main/install.sh | bash
getnf
getnf > 1-70
fc-cache -f -v

# Install LazyVim.
git clone https://github.com/LazyVim/starter ~/.config/nvim

# Open system settings and set `DroidSansMNerdFont-Regular` as the default mono font.
# Open terminal setting and set `DroidSansMNerdFont-Regular` as the font.

# My favorite keybindings
# =======================
# \ = Horizontal split
# | = Vertical split
# Ctrl{h|j|k|l} = Window navigation
# :q = Close window
# =======================
# Space + e = Neotree toggle
# Space + o = Neotree focus
# =======================
# :bnew = New buffer
# [b = Previous buffer
# ]b = Next buffer
# :bd = Close buffer
# =======================
# m[A-Z] = Set a marker and `'[A-Z]` go to the marker.
# q: = Open command-history buffer.

# Vim Commands
# =======================
# gc = Comment visual mode.
# gcc = Comment out a line.
# gcap = Comment out a paragraph.
# :7,17Commentary = Comment out with line numbers.
# "ayy = Copy into the specific register.
# "ap = Paste from the specific register.
# =======================
# :norm! @a = Execute a macro on multiple lines selected via visual mode.
# :ene|e = Edit a file in a new buffer, short for `:enew|edit`.

# Install nvm: Node version manager from https://github.com/nvm-sh/nvm?tab=readme-ov-file#install--update-script
# After installing nvm, close and reopen terminal,
# in order for new paths to take effect.
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.3/install.sh | bash

# Install Node.js
nvm install node

# Install pnpm: a faster, parallel package manager.
npm install -g pnpm
pnpm setup

# If you're using zsh:
source ~/.zshrc

# Install tldr: similar to [man], but with simple examples.
pnpm add -g tldr
tldr -u