### Install Python LSP Server (Shell)

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/python/README.org

Installs the python-lsp-server package, which is required for the 'pylsp' backend. It also shows how to install with all optional dependencies.

```sh
pip install python-lsp-server
```

```sh
pip install 'python-lsp-server[all]'
```

--------------------------------

### Install and Manage Dotfile

Source: https://github.com/syl20bnr/spacemacs/blob/develop/doc/QUICK_START.org

Commands to install the initial .spacemacs file and open it for editing.

```elisp
SPC SPC dotspacemacs/install RET
SPC f e d
```

--------------------------------

### Install Go Binary Dependencies

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/go/README.org

Installs essential Go development tools and linters via the command line.

```sh
GO111MODULE=on CGO_ENABLED=0 go install -v -trimpath -ldflags '-s -w' github.com/golangci/golangci-lint/v2/cmd/golangci-lint@latest
go install golang.org/x/tools/cmd/godoc@latest
go install golang.org/x/tools/cmd/goimports@latest
go install golang.org/x/tools/cmd/gorename@latest
go install golang.org/x/tools/cmd/guru@latest
go install github.com/cweill/gotests/...@latest
go install github.com/davidrjenni/reftools/cmd/fillstruct@latest
go install github.com/fatih/gomodifytags@latest
go install github.com/godoctor/godoctor@latest
go install github.com/haya14busa/gopkgs/cmd/gopkgs@latest
go install github.com/josharian/impl@latest
go install github.com/rogpeppe/godef@latest
```

--------------------------------

### Install Prerequisites via NPM

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/typescript/README.org

Install necessary tools like eslint, tslint, or typescript-formatter globally or locally.

```shell
npm install eslint
npm install -g typescript tslint
npm install -g typescript-formatter
```

--------------------------------

### Install LSP Server for CMake

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+tools/cmake/README.org

Command to install the required language server for the LSP backend.

```sh
pip install cmake-language-server
```

--------------------------------

### Install SCSS Lint Tools (Command Line)

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/html/README.org

Installs the necessary SCSS-Lint tools from GitHub, which are required for SCSS linting with the HTML layer. Ensure you have Ruby and gem installed.

```command-line
gem install scss_lint_reporter_checkstyle
gem install scss_lint
```

--------------------------------

### Verify Scalastyle Installation

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/scala/README.org

Command to verify that the Scalastyle executable is correctly installed and available in the system PATH.

```bash
$ scalastyle
scalastyle 0.8.0
Usage: scalastyle [options] <source directory>
...
```

--------------------------------

### Install MCP Filesystem Server

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+web-services/github-copilot/README.org

Installs the Model Context Protocol filesystem server via npm, which allows the AI to interact with the local filesystem.

```shell
npm install -g @modelcontextprotocol/server-filesystem
```

--------------------------------

### Install ESLint and Formatters

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+frameworks/react/README.org

Commands to install necessary global npm packages for syntax checking and code formatting in the React layer.

```sh
npm install -g eslint babel-eslint eslint-plugin-react
npm install -g js-beautify prettier
```

--------------------------------

### Install Go Language Server

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/go/README.org

Installs the gopls language server required for the LSP backend. This command uses Go modules to fetch and install the latest version of the server.

```sh
GO111MODULE=on go install golang.org/x/tools/gopls@latest
```

--------------------------------

### Install rnix-lsp via Nix

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+os/nixos/README.org

Installs the rnix-lsp language server from the nix-community repository using the nix-env command line tool.

```shell
nix-env -i -f https://github.com/nix-community/rnix-lsp/archive/master.tar.gz
```

--------------------------------

### Install libtool on Ubuntu

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+tools/shell/README.org

Installs the libtool-bin package on Ubuntu, required for building certain Emacs dynamic modules.

```shell
sudo apt install libtool-bin
```

--------------------------------

### Install Poppler Utilities for Instruction Lookup

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/asm/README.org

Install the poppler-utils package to provide the pdftotext tool required for indexing instruction documentation PDFs.

```sh
sudo apt-get install poppler-utils
```

--------------------------------

### Install LSP server dependencies

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/elm/README.org

Installs the necessary language server and analysis tools required for the LSP backend to function correctly.

```sh
npm install -g elm-analyse @elm-tooling/elm-language-server
```

--------------------------------

### Install shfmt formatter

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/shell-scripts/README.org

Installs the shfmt tool using Go, which is required for automatic shell script formatting within the layer.

```sh
go install mvdan.cc/sh/v3/cmd/shfmt@latest
```

--------------------------------

### Install Vim Language Server

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/vimscript/README.org

Installs the required vim-language-server globally via npm to enable LSP functionality for the Vimscript layer.

```sh
npm install -g vim-language-server
```

--------------------------------

### Install js-beautify Globally

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+tools/web-beautify/README.org

This command installs the js-beautify tool globally using npm. This is a prerequisite for the web-beautify layer to function correctly.

```sh
npm install -g js-beautify
```

--------------------------------

### Install Nim LSP server

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/nim/README.org

Installs the nimlsp server via the nimble package manager, which is required for the LSP backend to function correctly.

```sh
nimble install nimlsp
```

--------------------------------

### Install Metals Language Server

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/scala/README.org

Uses coursier to bootstrap and install the Metals language server executable, which is required for LSP functionality in the Scala layer.

```bash
./coursier bootstrap \
  --java-opt -Xss4m \
  --java-opt -Xms100m \
  --java-opt -Dmetals.client=emacs \
  org.scalameta:metals_2.12:0.9.8 \
  -r bintray:scalacenter/releases \
  -r sonatype:snapshots \
  -o /usr/local/bin/metals-emacs -f
```

--------------------------------

### Install vmd for Live Preview

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/markdown/README.org

Command to install the vmd executable globally using npm. This is required for GitHub-flavored live preview when configured in Spacemacs.

```shell
npm install -g vmd
```

--------------------------------

### Configure and Install Themes

Source: https://github.com/syl20bnr/spacemacs/blob/develop/doc/DOCUMENTATION.org

Shows how to set default themes, fetch themes from external repositories, and handle package-specific theme configurations in dotspacemacs.

```emacs-lisp
(setq-default dotspacemacs-themes '(spacemacs-light leuven zenburn))
(setq-default dotspacemacs-themes
              '(spacemacs-light
                leuven
                (zenburn :location (recipe :fetcher github
                                           :repo "bbatsov/zenburn-emacs"))
                ))
(setq-default dotspacemacs-themes
              '((humanoid-light :package humanoid-themes)
                spacemacs-dark))
```

--------------------------------

### Install PyCscope via Pip

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+tags/cscope/README.org

Installs the PyCscope tool using the Python package installer.

```sh
pip install pycscope
```

--------------------------------

### Install Autoflake (Shell)

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/python/README.org

Install autoflake, a tool to remove unused imports from Python code. This is a command-line installation using pip.

```sh
pip install autoflake

```

--------------------------------

### Install Anaconda Dependencies (Shell)

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/python/README.org

Installs or upgrades the necessary dependencies for anaconda-mode if manual installation is required. This is a common fix for blocking process output errors.

```sh
pip install --upgrade "jedi>=0.13.0" "json-rpc>=1.8.1" "service_factory>=0.1.5"
```

--------------------------------

### Initialize MCP Hub Configuration

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+web-services/github-copilot/README.org

Example structure for configuring MCP servers within the dotspacemacs/user-config function to ensure they load after the mcp-hub package.

```elisp
(defun dotspacemacs/user-config ()
  ;; ...
  (with-eval-after-load 'mcp-hub
    ;; Configure servers here
    ))
```

--------------------------------

### Install Agda via Cabal

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/agda/README.org

Installs the Agda compiler and its dependencies using the Cabal package manager. This command assumes Cabal is already installed on the system.

```sh
cabal install alex happy "cpphs < 1.19" agda
```

--------------------------------

### Install Legacy Go Dependencies

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/go/README.org

Installs the necessary binaries for auto-completion when using the deprecated go-mode backend. These tools provide code suggestions and documentation lookups.

```sh
go install github.com/mdempsky/gocode@latest
go install github.com/zmb3/gogetdoc@latest
```

--------------------------------

### Install Wakatime Program using Pip

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+web-services/wakatime/README.org

Installs the Wakatime command-line program using pip. This is a prerequisite for the Spacemacs Wakatime layer. It handles both standard and sudo installations.

```sh
pip install wakatime
```

```sh
sudo pip install wakatime
```

--------------------------------

### Install Jupyter Notebook (Shell)

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+tools/ipython-notebook/README.org

This command installs the Jupyter Notebook package using pip, which is a dependency for the IPython Notebook layer in Spacemacs. Ensure you have Python and pip installed.

```shell
pip install jupyter
```

--------------------------------

### Install Project Dependencies

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/elixir/README.org

This shell command is used to fetch and install project dependencies, including newly added ones like Credo or Dogma, after updating the mix.exs file.

```shell
$ mix deps.get
```

--------------------------------

### Run Emacs with Debugging Flags (Text)

Source: https://github.com/syl20bnr/spacemacs/wiki/Debugging.org

These commands demonstrate how to launch Emacs with specific flags to aid in debugging. '--debug-init' enables debugging for initialization errors, and '--timed-requires' helps identify slow-loading packages.

```text
emacs --debug-init
```

```text
emacs --debug-init --timed-requires
```

--------------------------------

### Project-Specific Haskell Backend Configuration with .dir-locals.el

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/haskell/README.org

This example demonstrates how to configure the Haskell completion backend for a specific project using a directory local variables file (`.dir-locals.el`). It sets the backend to 'lsp' for haskell-mode.

```elisp
;;; Directory Local Variables
;;; For more information see (info "(emacs) Directory Variables")

((haskell-mode (haskell-completion-backend . lsp)))
```

--------------------------------

### Install SQL Formatting Binary

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/sql/README.org

Downloads and extracts the sqlfmt binary for Linux to enable SQL code formatting.

```sh
wget -q -O - https://github.com/mjibson/sqlfmt/releases/latest/download/sqlfmt_0.4.0_linux_amd64.tar.gz | tar -xpvzf - --directory "${installdir}/bin"
```

--------------------------------

### Verify Ctags Installation

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+tags/gtags/README.org

Checks if the installed ctags version is the Exuberant version required by the Gtags layer.

```sh
ctags --version | grep Exuberant
```

--------------------------------

### Install GNU Global from Source

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+tags/gtags/README.org

Provides commands to download, configure, build, and install GNU Global from its source tarball. This method is recommended for obtaining the latest features and ensuring compatibility.

```sh
tar xvf global-<version>.tar.gz
cd global-<version>
./configure CC=gcc-8 --with-exuberant-ctags=/usr/bin/ctags
make
sudo make install
```

```sh
tar xvf global-<version>.tar.gz
cd global-<version>
./configure --with-exuberant-ctags=/usr/bin/ctags
make
sudo make install
```

--------------------------------

### Install libvterm on macOS

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+tools/shell/README.org

Installs the libvterm library on macOS using Homebrew for enhanced terminal emulation support.

```shell
brew install libvterm
```

--------------------------------

### Download and Apply PR Patches with Git

Source: https://github.com/syl20bnr/spacemacs/wiki/Collaborator-PR-Guide

This example shows how to download a pull request as a patch file using `wget` and then apply it to the current branch using `git am`. This method serves as a fallback for slower Forge operations or when encountering bugs, allowing manual application of PR changes.

```Shell
wget https://github.com/syl20bnr/spacemacs/pull/10684.patch
git am 10684.patch
```

--------------------------------

### Install CMake on Ubuntu

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+tools/shell/README.org

Installs the CMake build tool on Ubuntu systems using the apt package manager.

```shell
sudo apt install cmake
```

--------------------------------

### Install Copilot Language Server

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+web-services/github-copilot/README.org

Methods to install the required GitHub Copilot language server, either via global npm or directly within the Emacs environment.

```shell
npm install -g @github/copilot-language-server
```

```elisp
SPC SPC copilot-install-server
```

--------------------------------

### Install CMake on macOS

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+tools/shell/README.org

Installs the CMake build tool on macOS using Homebrew, which is a prerequisite for compiling vterm.

```shell
brew install cmake
```

--------------------------------

### Configure Packages with use-package

Source: https://github.com/syl20bnr/spacemacs/blob/develop/doc/VIMUSERS.org

Demonstrates how to use the use-package macro for lazy-loading, initialization, and post-load configuration of Emacs packages.

```emacs-lisp
(use-package package-name
  :defer t)
(use-package package-name
  :defer t
  :init
  (setq variable1 t variable2 nil)
  (defun foo ()
    (message "%s" "Hello, World!"))
  :config
  (function-defined-when-package-loads))
```

--------------------------------

### Install Flake8 for Syntax Checking (Shell)

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/python/README.org

Installs the flake8 package, which is used by Spacemacs for Python syntax checking.

```sh
pip install flake8
```

--------------------------------

### Deferred Package Loading with use-package

Source: https://github.com/syl20bnr/spacemacs/blob/develop/doc/LAYERS.org

This use-package example demonstrates how to defer the loading of a package using the ':defer t' keyword. This leverages Emacs' auto-loading mechanisms, effectively making the package load only when its functions or modes are actually used, thus improving startup performance.

```emacs-lisp
(use-package helm
    :defer t)
```

--------------------------------

### Manage Pylookup Database via CLI

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/python/local/pylookup/README.md

These commands demonstrate how to index documentation sources into the Pylookup database. It covers downloading, updating, and appending local or remote documentation sources.

```bash
# Download and construct database
make download

# Index a single source
./pylookup.py -u http://docs.python.org

# Index multiple sources
./pylookup.py -u http://docs.python.org -u ~/doc/python2.7

# Append a local source to an existing database
./pylookup.py -a -u ~/doc/python
```

--------------------------------

### Install Python-Markdown

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/markdown/README.org

Command to install the Python-Markdown package using pip. This is a dependency for certain Markdown processing functionalities.

```shell
pip install --user Markdown
```

--------------------------------

### Install Cscope via Package Manager

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+tags/cscope/README.org

Installs the Cscope tool on Debian-based systems using the apt package manager.

```sh
sudo apt-get install cscope
```

--------------------------------

### List Installed NPM Dependencies in Spacemacs

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/typescript/README.org

This keybinding in Spacemacs' NPM mode displays a list of the installed project dependencies.

```emacs-lisp
SPC m n l
```

--------------------------------

### Configure Java Backend in Spacemacs

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/java/README.org

Demonstrates how to set the preferred Java backend within the Spacemacs configuration file or via directory-local variables for project-specific settings.

```elisp
(java :variables java-backend 'meghanada)
```

```elisp
;;; Directory Local Variables
((java-mode (java-backend . lsp)))
```

--------------------------------

### Install Pyright Language Server (Shell)

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/python/README.org

Provides commands to install the Microsoft Pyright language server using different package managers: pip, yarn, or npm.

```sh
# via pip
pip install pyright
```

```sh
# or via yarn
yarn global add pyright
```

```sh
# or via npm
npm install -g pyright
```

--------------------------------

### Install Solargraph for LSP

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/ruby/README.org

Installs the solargraph gem globally to enable Language Server Protocol support for Ruby in Spacemacs.

```sh
gem install solargraph
```

--------------------------------

### Install Language Server Dependencies

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/javascript/README.org

Shell commands to install necessary language server packages for TypeScript and Flow support.

```sh
npm i -g typescript typescript-language-server
```

```sh
npm i -g typescript javascript-typescript-langserver
```

```sh
npm i -g flow-bin
```

--------------------------------

### Execute CFEngine3 SRC Block (CFEngine3)

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+tools/cfengine/README.org

This snippet shows a basic CFEngine3 bundle agent that prints 'Hello World!' to the reports. It is intended to be executed within an org-mode file using the ob-cfengine3 package.

```cfengine3
bundle agent main {
    reports:

        "Hello World!";
  }
```

--------------------------------

### Install SQL Linting Dependency

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/sql/README.org

Installs the sqlint gem required for SQL syntax checking in the Spacemacs SQL layer.

```ruby
gem install sqlint
```

--------------------------------

### Install bash language server

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/shell-scripts/README.org

Installs the bash-language-server globally via npm to enable LSP support for shell scripts.

```sh
npm i -g bash-language-server
```

--------------------------------

### Configure Go Documentation Backend

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/go/README.org

Sets the documentation lookup function to use gogetdoc instead of the default gocode.

```emacs-lisp
(go :variables godoc-at-point-function 'godoc-gogetdoc)
```

--------------------------------

### Install PHP Language Server via Composer

Source: https://github.com/syl20bnr/spacemacs/blob/develop/layers/+lang/php/README.org

Instructions to install the php-language-server using Composer. This is an alternative LSP server that runs on PHP, unlike intelephense which is Node.js based.

```sh
composer require felixfbecker/language-server
composer run-script --working-dir=vendor/felixfbecker/language-server parse-stubs
```