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# Neomutt
## Markdown to HTML rendering
To write more normie-friendly emails, non-plain-text emails are probably better.
For this, a conversion from Markdown to HTML with Mathjax support seems best.
It supports all the bells and whistles of markdown (images, links, code, italics, bold) as well as mathemtical formulas in LaTex notation using Mathjax.
### Configuration
The conversion is done via pandoc using templates.
Ensure `pandoc` is installed. (`which pandoc || sudo pacman -S pandoc`)
Add to your muttrc (either in `~/.mutt/muttrc` or `~/.config/mutt/muttrc`. From now on assuming `~/.config/mutt` as config folder)
```
macro compose m \
"<enter-command>set pipe_decode<enter>\
<pipe-message>pandoc -f gfm -t plain -o /tmp/msg.txt<enter>\
<pipe-message>pandoc -s --self-contained -o /tmp/msg.html --resource-path ~/.config/mutt/templates/ --template email<enter>\
<enter-command>unset pipe_decode<enter>\
<attach-file>/tmp/msg.txt<enter>\
<attach-file>/tmp/msg.html<enter>\
<tag-entry><previous-entry><tag-entry><group-alternatives>" \
"Convert markdown to HTML5 and plaintext alternative content types"
```
Create a folder called `templates`: `mkdir -p ~/.config/mutt/templates`
and create a file called `email.html` in this folder with the following content:
```html
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" lang="$lang$" xml:lang="$lang$"$if(dir)$ dir="$dir$"$endif$>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes" />
<script src="https://polyfill.io/v3/polyfill.min.js?features=es6"></script>
<script type="text/javascript" id="MathJax-script" async
src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-chtml.js">
</script>
<style>
$styles.html()$
</style>
$for(css)$
<link rel="stylesheet" href="$css$" />
$endfor$
<!--[if lt IE 9]>
<script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv-printshiv.min.js"></script>
<![endif]-->
$for(header-includes)$
$header-includes$
$endfor$
</head>
<body>
$body$
$for(include-after)$
$include-after$
$endfor$
</body>
</html>
```
### Usage
To use this, write your email as usual and afterwards, press `m` on the created file in neomutt.
This will generate a combined file for plaintext fallback in case of unsupported HTML rendering.
For now, also delete the still present plaintext file with `D`.
Your email should now be ready to be sent.
For writing formulas, just use latex syntax in the normal `$` delimiters.
Be careful on inline formulas, here a whitespace between the leading `$` and the formula breaks the rendering!
## File Size
Since Mathjax is creating a binary for the rendering of the math syntax which is embedded in the html, the file sizes are usually around 1 MB.
This is not necessary when no LaTeX syntax is used.
Create a second macro for which you use a different template, that excludes the mathjax script.
This way you can create smaller emails with pure markdown syntax and when necessary can send mathematical formulas, resulting in larger mails.
For this add the following to the muttrc:
```
macro compose l \
"<enter-command>set pipe_decode<enter>\
<pipe-message>pandoc -f gfm -t plain -o /tmp/msg.txt<enter>\
<pipe-message>pandoc -s --self-contained -o /tmp/msg.html --resource-path ~/.config/mutt/templates/ --template email_pure<enter>\
<enter-command>unset pipe_decode<enter>\
<attach-file>/tmp/msg.txt<enter>\
<attach-file>/tmp/msg.html<enter>\
<tag-entry><previous-entry><tag-entry><group-alternatives>" \
"Convert markdown to HTML5 and plaintext alternative content types"
```
Further create a new file called `email_pure.html` in `mutt/templates` with the following content:
```html
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" lang="$lang$" xml:lang="$lang$"$if(dir)$ dir="$dir$"$endif$>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes" />
<style>
$styles.html()$
</style>
$for(css)$
<link rel="stylesheet" href="$css$" />
$endfor$
<!--[if lt IE 9]>
<script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv-printshiv.min.js"></script>
<![endif]-->
$for(header-includes)$
$header-includes$
$endfor$
</head>
<body>
$body$
$for(include-after)$
$include-after$
$endfor$
</body>
</html>
```
TODO: delete plaintext attachment after HTML creation
TODO: remove `tmp` files after sending

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@ -17,7 +17,8 @@ Change the permisions of this folder using `chmod 700 ~/.ssh`.
The next step is to make the `authorized_keys` file using The next step is to make the `authorized_keys` file using
``` ```
touch ~/authorized_keys touch ~/authorized_keys
chmod 600 ~/.ssh/authorized_keys ``` chmod 600 ~/.ssh/authorized_keys
```
Now open the `authorized_keys` and copy-paste the public key contents in to it. Now open the `authorized_keys` and copy-paste the public key contents in to it.
One can also use `ssh-copy-id user@domain` after generating the key-pair. One can also use `ssh-copy-id user@domain` after generating the key-pair.
@ -48,19 +49,27 @@ If you need to connect to an access server before connecting to the actual serve
``` ```
IgnoreUnknown AddKeysToAgent,UseKeychain IgnoreUnknown AddKeysToAgent,UseKeychain
```
## All EXEMPLUM-COMPANY ## All EXEMPLUM-COMPANY
```
Host EXEMP* Host EXEMP*
User username User username
IdentityFile ~/.ssh/id_rsa IdentityFile ~/.ssh/id_rsa
AddKeysToAgent yes AddKeysToAgent yes
UseKeychain yes UseKeychain yes
```
## Access server ## Access server
```
Host EXEMPaccess Host EXEMPaccess
HostName login.example.com HostName login.example.com
```
## Working server ## Working server
```
Host EXEMPwork Host EXEMPwork
HostName work.example.com HostName work.example.com
proxycommand ssh -CW %h:%p EXEMPaccess ## access server proxycommand ssh -CW %h:%p EXEMPaccess ## access server

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index.md
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@ -11,7 +11,7 @@ Happy to accept pull requests for new topics!
- [weechat](docs/weechat.md) TUI client for matrix - [weechat](docs/weechat.md) TUI client for matrix
- [ssh](docs/ssh.md) ssh configuration - [ssh](docs/ssh.md) ssh configuration
- [GIT](docs/GIT.md) version control software - [GIT](docs/GIT.md) version control software
- [neomutt](neomutt.md) highly customizable TUI email client - [neomutt](docs/neomutt.md) highly customizable TUI email client
# Admin # Admin

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neomutt.md
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# Neomutt
## Markdown to HTML rendering
To write more normie-friendly emails, non-plain-text emails are probably better.
For this, a conversion from Markdown to HTML with Mathjax support seems best.
It supports all the bells and whistles of markdown (images, links, code, italics, bold) as well as mathemtical formulas in LaTex notation using Mathjax.
### Configuration
The conversion is done via pandoc using templates.
Ensure `pandoc` is installed. (`which pandoc || sudo pacman -S pandoc`)
Add to your muttrc (either in `~/.mutt/muttrc` or `~/.config/mutt/muttrc`. From now on assuming `~/.config/mutt` as config folder)
```
macro compose m \
"<enter-command>set pipe_decode<enter>\
<pipe-message>pandoc -f gfm -t plain -o /tmp/msg.txt<enter>\
<pipe-message>pandoc -s -f gfm --self-contained -o /tmp/msg.html --resource-path ~/.config/mutt/templates/ --template email<enter>\
<enter-command>unset pipe_decode<enter>\
<attach-file>/tmp/msg.txt<enter>\
<attach-file>/tmp/msg.html<enter>\
<tag-entry><previous-entry><tag-entry><group-alternatives>" \
"Convert markdown to HTML5 and plaintext alternative content types"
```
Create a folder called `templates`: `mkdir -p ~/.config/mutt/templates`
and create a file called `email.html` in this folder with the following content:
```html
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" lang="$lang$" xml:lang="$lang$"$if(dir)$ dir="$dir$"$endif$>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes" />
<style>
$styles.html()$
</style>
$for(css)$
<link rel="stylesheet" href="$css$" />
$endfor$
<!--[if lt IE 9]>
<script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv-printshiv.min.js"></script>
<![endif]-->
$for(header-includes)$
$header-includes$
$endfor$
</head>
<body>
$body$
$for(include-after)$
$include-after$
$endfor$
</body>
</html>
```
TODO: Proper Mathjax support
TODO: delete plaintext attachment after HTML creation
### Usage
To use this, write your email as usual and afterwards, press `m` on the created file in neomutt.
This will generate a combined file for plaintext fallback in case of unsupported HTML rendering.
For now, also delete the still present plaintext file with `D`.
Your email should now be ready to be sent.