Review further install steps

docs/_install-and-build/Installation-Instructions-for-ARM.md

@@ -4,10 +4,10 @@ title: Installation instructions for ARM
 
 Geth is built for ARM using cross-compilation. See [Cross compiling Ethereum](Cross-compiling-Ethereum) for more details.
 
-## RasPi 2
+## RasberryPi 2
 
-1. Download the precompiled binary from https://geth.ethereum.org/downloads/
+1.  Download the pre-compiled binary from <https://geth.ethereum.org/downloads/>
-1. Copy it to a location in $PATH (i.e. /usr/local/bin)
+2.  Copy it to a location in $PATH (i.e., `/usr/local/bin`)
-1. Run `geth`
+3.  Run `geth`
 
-Further details: https://github.com/ethereum/wiki/wiki/Raspberry-Pi-instructions
+Further details: <https://github.com/ethereum/wiki/wiki/Raspberry-Pi-instructions>

docs/_install-and-build/Installation-Instructions-for-Arch.md

@@ -1,23 +1,27 @@
 ---
 title: Installation instructions for Arch
 ---
+
 ## Installing using pacman
 
 The `geth` package is available from the [community repo](https://www.archlinux.org/packages/community/x86_64/geth/).
 
-You can install it using
+You can install it using:
 
 ```shell
 pacman -S geth
 ```
 
 ## Installing from source
-Install dependencies
+
+Install dependencies:
+
 ```shell
 pacman -S git go gcc
 ```
 
-Download and build geth
+Download and build geth:
+
 ```shell
 git clone https://github.com/ethereum/go-ethereum
 cd go-ethereum

docs/_install-and-build/Installation-Instructions-for-FreeBSD.md

@@ -1,21 +1,18 @@
 ---
 title: Installation instructions for FreeBSD
 ---
+
 ## Building from source
 
 ### Installing binary package
 
-Binary packages tend not to be up to date (1.8.9 at the time of writing) with the latest version (1.8.16 at the time of writing). It is recommended that you use ports or compile it yourself.
+Binary packages tend not to be up to date (1.8.9 at the time of writing) with the latest version (1.8.16 at the time of writing). We recommend that you use ports or compile go-ethereum yourself.
 
 ```shell
 pkg install go-ethereum
 ```
 
-The `geth` command is then available on your system in `/usr/local/bin/geth`, you can start it e.g. on the testnet by typing:
+The `geth` command is then available on your system in `/usr/local/bin/geth`.
-
-```shell
-geth -rinkeby
-```
 
 ### Using ports
 
@@ -24,6 +21,7 @@ Go to the `net-p2p/go-ethereum` ports directory:
 ```shell
 cd /usr/ports/net-p2p/go-ethereum
 ```
+
 Then build it the standard way (as root):
 
 ```shell
@@ -32,9 +30,7 @@ make install
 
 ### Building Geth (command line client)
 
-Ports are slightly more up to date (1.8.14 at the time of writing)
+Ports are slightly more up to date (1.8.14 at the time of writing). Clone the repository to a directory of your choosing:
-
-Clone the repository to a directory of your choosing:
 
 ```shell
 git clone https://github.com/ethereum/go-ethereum
@@ -46,12 +42,15 @@ Building `geth` requires the Go compiler:
 pkg install go
 ```
 
-If your golang version is >= 1.5, build the `geth` program using the following command.
+If your golang version is >= 1.5, build the `geth` program using the following command:
+
 ```shell
 cd go-ethereum
 make geth
 ```
-If your golang version is < 1.5 (quarterly packages, for example), use the following command instead.
+
+If your golang version is &lt; 1.5 (quarterly packages, for example), use the following command instead:
+
 ```shell
 cd go-ethereum
 CC=clang make geth

docs/_install-and-build/Installation-Instructions-for-Mac.md

@@ -42,14 +42,18 @@ Building `geth` requires the Go compiler:
 brew install go
 ```
 
-Finally, build the `geth` program using the following command.
+<!-- TODO: Test -->
+
+Build the `geth` program using the following command.
 
 ```shell
 cd go-ethereum
 make geth
 ```
 
-If you see some errors related to header files of Mac OS system library, install XCode Command Line Tools, and try again.
+<!-- TODO: Check and correct -->
+
+If you see errors related to header files of the macOS system library, install XCode Command Line Tools, and try again.
 
 ```shell
 xcode-select --install

docs/_install-and-build/Installation-Instructions-for-Ubuntu.md

@@ -1,3 +1,30 @@
+---
+title: Installation instructions for Ubuntu
+---
+
+## Install on Ubuntu via PPAs
+
+You can install go-ethereum on Ubuntu-based distributions using the built-in launchpad PPAs (Personal Package Archives). We provide a single PPA repository with both our stable and our development releases for Ubuntu versions `trusty`, `xenial`, `zesty` and `artful`.
+
+Install dependencies first:
+
+```shell
+sudo apt-get install software-properties-common
+```
+
+To enable our launchpad repository run:
+
+```shell
+sudo add-apt-repository -y ppa:ethereum/ethereum
+```
+
+After that you can install the stable version of go-ethereum:
+
+```shell
+sudo apt-get update
+sudo apt-get install ethereum
+```
+
 Or the development version with:
 
 ```shell

docs/_install-and-build/Running-in-Docker.md

@@ -2,17 +2,12 @@
 title: Running in Docker
 ---
 
-We keep a Docker image with recent snapshot builds from the `develop` branch [on DockerHub](https://hub.docker.com/r/ethereum/client-go/). In addition to the container based on [Ubuntu](http://www.ubuntu.com) (158 MB), there is a smaller image using [Alpine Linux](https://alpinelinux.org) (35 MB). To use the alpine [tag](https://hub.docker.com/r/ethereum/client-go/tags), replace `ethereum/client-go` with `ethereum/client-go:alpine` in the examples below.
+We maintain a Docker image with recent snapshot builds from our `develop` branch on DockerHub. In addition to the container based on Ubuntu (158 MB), there is a smaller image using Alpine Linux (35 MB). To use the alpine [tag](https://hub.docker.com/r/ethereum/client-go/tags), replace `ethereum/client-go` with `ethereum/client-go:alpine` in the examples below.
 
-To pull the image, run this command:
+To pull the image and start a node, run these commands:
 
 ```shell
 docker pull ethereum/client-go
-```
-
-Start a node with:
-
-```shell
 docker run -it -p 30303:30303 ethereum/client-go
 ```
 
@@ -22,7 +17,7 @@ To start a node that runs the JSON-RPC interface on port **8545**, run:
 docker run -it -p 8545:8545 -p 30303:30303 ethereum/client-go --rpc --rpcaddr "0.0.0.0"
 ```
 
-**WARNING: This opens your container to external calls. "0.0.0.0" should _not_ be used when exposed to public networks**
+**WARNING: This opens your container to external calls. You should not use "0.0.0.0" when exposed to public networks.**
 
 To use the interactive JavaScript console, run:
 
@@ -32,11 +27,13 @@ docker run -it -p 30303:30303 ethereum/client-go console
 
 ## Using Data Volumes
 
-To persist downloaded blockchain data between container starts, use Docker [data volumes](https://docs.docker.com/engine/tutorials/dockervolumes/#/mount-a-host-directory-as-a-data-volume). Replace `/path/on/host` with the location you want to store the data in.
+To persist downloaded blockchain data between container starts, use Docker [data volumes](https://docs.docker.com/engine/tutorials/dockervolumes/#/mount-a-host-directory-as-a-data-volume). Replace `/path/on/host` with the location you want to store the data.
 
+```shell
 docker run -it -p 30303:30303 -v /path/on/host:/root/.ethereum ethereum/client-go
+```
 
-* * *
+## Different image versions
 
 We maintain four different docker images for running the latest stable or development versions of Geth.
 
@@ -45,24 +42,9 @@ We maintain four different docker images for running the latest stable or develo
 -   `ethereum/client-go:{version}` is the stable version of Geth at a specific version number
 -   `ethereum/client-go:release-{version}` is the latest stable version of Geth at a specific version family
 
-<!-- TODO: What are these? Maybe best not in getting started -->
+The images have the following ports automatically exposed:
-
-We also maintain four different docker images for running the latest stable or development versions of miscellaneous Ethereum tools.
-
--   `ethereum/client-go:alltools-latest` is the latest develop version of the Ethereum tools
--   `ethereum/client-go:alltools-stable` is the latest stable version of the Ethereum tools
--   `ethereum/client-go:alltools-{version}` is the stable version of the Ethereum tools at a specific version number
--   `ethereum/client-go:alltools-release-{version}` is the latest stable version of the Ethereum tools at a specific version family
-
-<!-- TODO: Same again -->
-
-The image has the following ports automatically exposed:
 
 -   `8545` TCP, used by the HTTP based JSON RPC API
 -   `8546` TCP, used by the WebSocket based JSON RPC API
 -   `30303` TCP and UDP, used by the P2P protocol running the network
 -   `30304` UDP, used by the P2P protocol's new peer discovery overlay
-
-<!-- TODO: And again -->
-
-_Note, if you are running an Ethereum client inside a docker container, you might want to mount in a data volume as the client's data directory (located at `/root/.ethereum` inside the container) to ensure that downloaded data is preserved between restarts and/or container life-cycles._