Update asdf install docs in Debian install guide #842

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norm wants to merge 2 commits from norm/akkoma:improve-asdf-install into develop
2 changed files with 10 additions and 18 deletions

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@ -35,32 +35,24 @@ sudo useradd -r -s /bin/false -m -d /var/lib/akkoma -U akkoma
### Install Elixir and Erlang
#### Using `apt`
If your distribution packages a recent enough version of Elixir, you can install it directly from the distro repositories and skip to the next section of the guide:
```shell
sudo apt install elixir erlang-dev erlang-nox
```
Otherwise use [asdf](https://github.com/asdf-vm/asdf) to install the latest versions of Elixir and Erlang.
#### Using `asdf`
If your distribution does not have a recent version of Elxir in their repositories, you can use [asdf](https://asdf-vm.com/) to install a newer version of Elixir and Erlang.
First, install some dependencies needed to build Elixir and Erlang:
```shell
sudo apt install curl unzip build-essential autoconf m4 libncurses5-dev libssh-dev unixodbc-dev xsltproc libxml2-utils libncurses-dev
```
Then login to the `akkoma` user and install asdf:
```shell
git clone https://github.com/asdf-vm/asdf.git ~/.asdf --branch v0.11.3
```
Then login to the `akkoma` user.
Add the following lines to `~/.bashrc`:
```shell
. "$HOME/.asdf/asdf.sh"
# asdf completions
. "$HOME/.asdf/completions/asdf.bash"
```
Restart the shell:
Install asdf by following steps 1 to 3 on [their website](https://asdf-vm.com/guide/getting-started.html), then restart the shell to load asdf:
```shell
exec $SHELL
```
@ -69,15 +61,15 @@ Next install Erlang:
```shell
asdf plugin add erlang https://github.com/asdf-vm/asdf-erlang.git
export KERL_CONFIGURE_OPTIONS="--disable-debug --without-javac"
asdf install erlang 25.3.2.5
asdf global erlang 25.3.2.5
asdf install erlang 26.2.5.4
asdf global erlang 26.2.5.4
```
Now install Elixir:
```shell
asdf plugin-add elixir https://github.com/asdf-vm/asdf-elixir.git
asdf install elixir 1.15.4-otp-25
asdf global elixir 1.15.4-otp-25
asdf install elixir 1.17.3-otp-26
asdf global elixir 1.17.3-otp-26
```
Confirm that Elixir is installed correctly by checking the version:

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@ -1,7 +1,7 @@
## Required dependencies
* PostgreSQL 12+
* Elixir 1.14+ (currently tested up to 1.16)
* Elixir 1.14+ (currently tested up to 1.17)
* Erlang OTP 25+ (currently tested up to OTP26)
* git
* file / libmagic