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156
content/posts/hosting-mumble-on-a-subdomain-with-nginx.md
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156
content/posts/hosting-mumble-on-a-subdomain-with-nginx.md
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---
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title: "Hosting Mumble on a Subdomain with Nginx"
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date: 2024-01-04T10:04:57-07:00
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draft: false
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tags: ['nginx', 'self host', 'mumble']
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summary: 'How to host a mumble server on a subdomain behind nginx reverse proxy'
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tocOpen: true
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cover:
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image: "/images/nginx-mumble.png"
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alt: "Nginx logo and Mumble Logo"
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caption: "Star-crossed lovers"
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relative: false
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---
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# All I Found Was Tumble Weeds
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Well I couldn't find any actual examples of someone doing what I wanted, namely, hosting
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the murmur server on a subdomain on my machine behind an nginx proxy. I only have ports 80
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and 443 opened on my router, so I chose to recieve the mumble traffic to come in on port 443.
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Sounds easy enough, but the problem comes when you let nginx decrypt the packets in the process
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of passing them to the murmur server, it raises a TLS/SSL Termination Error. Murmur insists on
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End to End Encryption (E2EE), which is a good thing.
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To not repeat the classic Cooking Recipe website mistake and put the solution at the bottom of
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an Ad riddled page, here is the nginx config that got my setup working, all of this is the default
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on an Arch Linux install, minus the `stream` block. Ports need to be defined for your setup for
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`INTERNAL_MUMBLE_PORT` (port that murmur is listening on) and `NEW_NGINX_SSL_PORT`. Previously,
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`NEW_NGINX_SSL_PORT` was 443, but the stream block now will be using 443, and you can't bind to the same
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port with seperate services. So pick a new port for the other ssl nginx services to listen on,
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as well as pass traffic to, internally.
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`nginx.conf`
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```conf
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worker_processes 4;
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events {
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worker_connections 1024;
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}
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stream {
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# Define upstreams that nginx can route traffic to
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upstream mumble {
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server localhost:<INTERNAL_MUMBLE_PORT>;
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}
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upstream fosscat {
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server localhost:<NEW_NGINX_SSL_PORT>; # Was 443 until I added murmur
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}
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# SNI, route to murmur if the subdomain matches
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map $ssl_preread_server_name $name {
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# Destination Upstream (above) to Route traffic to
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mumble.fosscat.com mumble;
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default fosscat;
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}
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server {
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# TCP traffic
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listen 443;
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# UDP traffic
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listen 443 udp;
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proxy_pass $name;
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# Necessary line
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# Dont decrypt packets, just pass them along
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ssl_preread on;
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}
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}
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http {
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include mime.types;
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include /etc/nginx/sites-enabled/*;
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default_type application/octet-stream;
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sendfile on;
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keepalive_timeout 65;
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server {
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listen 80;
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server_name localhost;
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location / {
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root /usr/share/nginx/html;
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index index.html index.htm;
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}
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error_page 500 502 503 504 /50x.html;
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location = /50x.html {
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root /usr/share/nginx/html;
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}
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}
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}
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```
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Then here is this blog's nginx config file in `/etc/nginx/sites-available` that is sim-linked
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into `/etc/nginx/sites-enabled`. I'm using certbot for ssl certs. Note that a port needs to be
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provided in the second server block that matches the one provided above.
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`fosscat.com` file:
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```conf
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server {
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if ($host = www.fosscat.com) {
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return 301 https://$host$request_uri;
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} # managed by Certbot
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if ($host = fosscat.com) {
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return 301 https://$host$request_uri;
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} # managed by Certbot
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listen 80;
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server_name fosscat.com www.fosscat.com;
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}
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server {
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listen <NEW_NGINX_SSL_PORT> ssl;
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server_name fosscat.com www.fosscat.com;
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ssl_certificate /etc/letsencrypt/live/fosscat.com/fullchain.pem; # managed by Certbot
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ssl_certificate_key /etc/letsencrypt/live/fosscat.com/privkey.pem; # managed by Certbot
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root /usr/share/nginx/html/fosscat-site/public/; #Absolute path to where your hugo site is
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index index.html; # Hugo generates HTML
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location / {
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root /usr/share/nginx/html/fosscat-site/public;
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try_files $uri $uri/ =404;
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}
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error_page 404 /404.html;
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location = /404.html {
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root /usr/share/nginx/html/fosscat-site/public;
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internal;
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}
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}
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```
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## Caveats
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I figured this setup out cobbling together some sparse posts online, the nginx docs, and asking chatGPT for
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explanations.
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Currently, all of my sites and services work as expected with TLS and whatnot, however the murmur server doesn't
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report as being online to clients before they connect. Also, the mumble client reports that only TLS is supported
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so it switches to TLS only mode automatically, i.e. increased latency. I'm not sure why either of these are the case.
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To use the `stream` block and `ssl_preread` you have to have your nginx compiled with those options. Running `nginx -V`
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should tell you whether you have a compatible nginx version.
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Thought I'd share my discovery in case anyone else runs into the same problem I did.
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As always, questions or corrections, feel free to open a PR on my git instance or email me @ tom@fosscat.com
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20
content/posts/in_defense_of_privacy.md
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content/posts/in_defense_of_privacy.md
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---
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title: "In_defense_of_privacy"
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date: 2023-08-17T22:26:23-06:00
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draft: true
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tags:
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summary:
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tocOpen: true
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cover:
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image: "/images/img.jpg"
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# can also paste direct link from external site
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# ex. https://i.ibb.co/K0HVPBd/paper-mod-profilemode.png
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alt: ""
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caption: ""
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relative: false
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---
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https://www.bleepingcomputer.com/news/security/new-acoustic-attack-steals-data-from-keystrokes-with-95-percent-accuracy/
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38
content/posts/tbd_name.md
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38
content/posts/tbd_name.md
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---
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title: "Tbd_name"
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date: 2023-11-07T17:34:55-07:00
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draft: true
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tags:
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summary:
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tocOpen: true
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cover:
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image: "/images/img.jpg"
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# can also paste direct link from external site
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# ex. https://i.ibb.co/K0HVPBd/paper-mod-profilemode.png
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alt: ""
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caption: ""
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relative: false
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---
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I fly fairly frequently from where I live now to my home town. It's a convenient trip because there
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are two conveniently located mini-boss sized airports close to both places. The (un)fortunate thing
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about mini-boss sized airports are that they only attract the budget airline offerings. When you
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purchase flights through these low-spec'd airlines, they try and swindle you by charging you for
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making choices, like do you want to bring any bags? How about choose a seat to sit in the plane?
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I take the high (cheap) road and choose nothing, which means they pick a seat for me. Which means I
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sit above the turbines every flight, my window looks out at the wing.
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I am lead to believe that these mid-range seats are picked
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least often, so I wonder, why are these seats of no apparent distinguishing quality least often
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selected by the 'selectors'? If you want seats closer to the front, but dont want to front the bill,
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you're in luck! Selecting the back of the plane is more expensive than not choosing any, and your
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odds have to be impossibly better you will sit closer to the front by abstaining a seat selection.
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But I'm not complaining, nor do I wish people would have different airline decision-maing habits.
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I feel priviledged to sit in view of the wing. It moves a surprising amount during flights, so I
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could see that be troubling to the anxious or weary traveler. But to me, I find it satisfying. I
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watch the slightest shift of an aeleron send the whole plane in a calculated, soft roll. I imagine
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my arm as the wing: extending out the side of the plane. It reminds me of sticking my hand out the
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window while driving to feel the force of the wind against your palm, turning a once invisible
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everpresent essence into a carvable, ridable rush of energy. Watching the wing wobble a bit gives
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the plane a little more mortality, I feel a little more the rush and the terror of the miracle of flight.
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58
content/posts/when-easy-going-isnt-easy.md
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content/posts/when-easy-going-isnt-easy.md
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---
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title: "When Easy Going Isnt Easy"
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date: 2023-09-08T10:02:55-06:00
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draft: false
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tags: ['personality', 'mental health', 'advice']
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summary: 'My people-pleasing brain demands smooth sailing waters, often at the cost of the emotionally sensitive.'
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tocOpen: true
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---
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# Easy Doesn't Equal Right
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I was sitting in the train,
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watching someone across the aisle from me struggle to wrangle their electric scooter under their
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seat. This person had a stainless steel insulated mug with what appeared to be a warm muddied
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liquid inside. She placed it in the walkway, but I saw immediatly that the butt of her scooter
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would shortly bump into the cup with any further scooter-scuffling. So, to avoid a muddy train,
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I scooped up her mug and held it dutifully until the scooter sorting finished.
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"Thank you" She said.
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Me, wanting to assure her that it was really no inconvenience at all, that she shouldn't have to
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worry about returning any favors, that it was just the right thing to do, I replied "No problem"
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My brain has a strong people-pleaser mode network; its often the default way I handle social
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situations. I don't think there is anything wrong with that. But, I do think that its important
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to be aware of the consequences of how we tend to handle things. This became apparent during a
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conversation with family members.
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## Family Dynamics
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I will try to find the right words to explain the dynamic here, but my lack of professional
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psycology training may lead me use incorrect vocabulary, so allow me to start with a blank slate.
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My family is comprised of mostly emotionally low personalities. By low emotion I dont mean non-feeling
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I mean behaviors common to people not as empathetic, like speaking before thinking, teasing (in
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good faith), avoiding confrontation, making positive assumptions of others. However, there are
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a few emotionally high personalities (I married one, love you ;) ), with behaviors like deeply
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feeling, not assuming the best intention, thinking before speaking. These aren't necessarily hard lines,
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and no one is entirely one or the other. Also, I did not illustrate all of the differences, but
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hopefully enough just to see the big picture. I mostly just want to draw the distinction when it
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comes to the easy going ethic.
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## Akuna Matada Gas Lighting
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With much of the family exhibiting an air of ease and light-heartedness, it became clear to me that
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saying "No Worries" can invalidate the very real feelings and reactions of the emotionally high
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people in the group. For example, I could say something meant in jest, a light jab of some flaw we
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all recognize. In an emotionally high personality however, this can seem like an attack. Everyone
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laughs, but for the teased person, their internal defense systems are blairing to elevate to DEFCON 1
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and fire up the shield generators. On seeing that I have made a mistake, I quickly reverse gears and
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attempt to extinguish the fire. I reassure the emotionally high
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person that there isnt any problem to worry about, it was just a tease. This, can inadvertendly tell this wonderful human
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being that the feelings they are having are unecessary and wrong. I coined this
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interaction Akuna Matada Gas Lighting, it means no worries, the feelings you have aren't real (goes with the tune even).
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I intend this post mostly for myself, in self reflection and puting my thoughts to words I feel like
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the things I learn become more concrete. But, if it helps anyone like myself take a deeper introspective
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look, then thats hopefully good too!
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BIN
static/images/nginx-mumble.png
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BIN
static/images/nginx-mumble.png
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After Width: | Height: | Size: 121 KiB |
0
update-theme.sh
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0
update-theme.sh
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