Sysadmin

checkout "My checklist and tips for server setup"

Please share your tips and tricks with me. I would love to hear them and use them.

Any feedback is welcomed.

cross-posted from: https://gregtech.eu/post/7656913

I have been self-hosting for a while now with Traefik. It works, but I'd like to give Nginx Proxy Manager a try, it seems easier to manage stuff not in docker.

What are industry best practices for this stuff? Do you want a separate fabric for dev and prod? Just separate zones?

My company doesn't connect any fabrics (1 switch=1fabric) and it seems inefficient and a giant pain in the ass, as we move hosts around like we're getting paid for it. What do all of you do?

In the middle of a live VLAN readressing of a 200-node company, I encountered this gem. The ports just kept blinking on even after plugging out the cables. (HP aruba 24 port switch)

One turned off after a reboot.

Here it is:

• Dell Base
• Dell Plus
• Dell Premium
• Dell Pro Base
• Dell Pro Plus
• Dell Pro Premium
• Dell Pro Max Base
• Dell Pro Max Plus
• Dell Pro Max Premium

What a time to be alive

cross-posted from: https://gregtech.eu/post/5084911

Essentially, I'd like to have pictrs delete all of the images that aren't uploaded by my users, because my storage usage was going through the roof, so I just disabled the proxying of images. Here is my config:

x-logging: &default-logging
  driver: "json-file"
  options:
    max-size: "50m"
    max-file: "4"

services:
  proxy:
    image: docker.io/library/nginx
    volumes:
      - ./nginx_internal.conf:/etc/nginx/nginx.conf:ro,Z
      - ./proxy_params:/etc/nginx/proxy_params:ro,Z
    restart: always
    logging: *default-logging
    depends_on:
      - pictrs
      - lemmy-ui
    labels:
      - traefik.enable=true
      - traefik.http.routers.http-lemmy.entryPoints=http
      - traefik.http.routers.http-lemmy.rule=Host(`gregtech.eu`)
      - traefik.http.middlewares.https_redirect.redirectscheme.scheme=https
      - traefik.http.middlewares.https_redirect.redirectscheme.permanent=true
      - traefik.http.routers.http-lemmy.middlewares=https_redirect
      - traefik.http.routers.https-lemmy.entryPoints=https
      - traefik.http.routers.https-lemmy.rule=Host(`gregtech.eu`)
      - traefik.http.routers.https-lemmy.service=lemmy
      - traefik.http.routers.https-lemmy.tls=true
      - traefik.http.services.lemmy.loadbalancer.server.port=8536
      - traefik.http.routers.https-lemmy.tls.certResolver=le-ssl


  lemmy:
    image: dessalines/lemmy:0.19.8
    hostname: lemmy
    restart: always
    logging: *default-logging
    volumes:
      - ./lemmy.hjson:/config/config.hjson:Z
    depends_on:
      - postgres
      - pictrs
    networks:
      - default
      - database

  lemmy-ui:
    image: ghcr.io/xyphyn/photon:latest
    restart: always
    logging: *default-logging
    environment:
      - PUBLIC_INSTANCE_URL=gregtech.eu
      - PUBLIC_MIGRATE_COOKIE=true
#      - PUBLIC_SSR_ENABLED=true
      - PUBLIC_DEFAULT_FEED=All
      - PUBLIC_DEFAULT_FEED_SORT=Hot
      - PUBLIC_DEFAULT_COMMENT_SORT=Top
      - PUBLIC_LOCK_TO_INSTANCE=false



  pictrs:
    image: docker.io/asonix/pictrs:0.5
    # this needs to match the pictrs url in lemmy.hjson
    hostname: pictrs
    # we can set options to pictrs like this, here we set max. image size and forced format for conversion
    # entrypoint: /sbin/tini -- /usr/local/bin/pict-rs -p /mnt -m 4 --image-format webp
    #entrypoint: /sbin/tini -- /usr/local/bin/pict-rs run  --max-file-count 10  --media-max-file-size 500 --media-retention-proxy 10d --media-retention-variants 10d  filesystem sled -p /mnt
    user: 991:991
    environment:
      - PICTRS__STORE__TYPE=object_storage
      - PICTRS__STORE__ENDPOINT=https://s3.eu-central-003.backblazeb2.com/
      - PICTRS__STORE__BUCKET_NAME=gregtech-lemmy
      - PICTRS__STORE__REGION=eu-central
      - PICTRS__STORE__USE_PATH_STYLE=false
      - PICTRS__STORE__ACCESS_KEY=redacted
      - PICTRS__STORE__SECRET_KEY=redacted
      - PICTRS__MEDIA__RETENTION__VARIANTS=0d
      - PICTRS__MEDIA__RETENTION__PROXY=0d
      - PICTRS__SERVER__API_KEY=redacted_api_key
      #- PICTRS__MEDIA__IMAGE__FORMAT=webp
      #- PICTRS__MEDIA__IMAGE__QUALITY__WEBP=50
      #- PICTRS__MEDIA__ANIMATION__QUALITY=50
    volumes:
      - ./volumes/pictrs:/mnt:Z
    restart: always
    logging: *default-logging

  postgres:
    image: docker.io/postgres:16-alpine
    hostname: postgres
    volumes:
      - ./volumes/postgres:/var/lib/postgresql/data:Z
      #- ./customPostgresql.conf:/etc/postgresql.conf:Z
    restart: always
    #command: postgres -c config_file=/etc/postgresql.conf
    shm_size: 256M
    logging: *default-logging
    environment:
      - POSTGRES_PASSWORD=password
      - POSTGRES_USER=lemmy
      - POSTGRES_DB=lemmy
    networks:
      - database
  postfix:
    image: docker.io/mwader/postfix-relay
    restart: "always"
    logging: *default-logging

networks:
  default:
    name: traefik_access
    external: true
  database:

Went to do a test restore of one of my databases and I noticed the dump files over the last few months were all 0kb. Glad I caught it this way and not because I needed to restore. Put it on your calendar, schedule a test restore of your critical stuff a couple times a year. I know y'all are busy but it is worth the time and effort. A backup you can't actually restore isn't a backup at all.

The storage usage is at 340GB currently, which is a lot and it's rapidly increasing. I use Backblaze B2 for my storage. Here is my docker compose file: x-logging: &default-logging driver: "json-file" options: max-size: "50m" max-file: "4"

services:
  proxy:
    image: docker.io/library/nginx
    volumes:
      - ./nginx_internal.conf:/etc/nginx/nginx.conf:ro,Z
      - ./proxy_params:/etc/nginx/proxy_params:ro,Z
    restart: always
    logging: *default-logging
    depends_on:
      - pictrs
      - lemmy-ui
    labels:
      - traefik.enable=true
      - traefik.http.routers.http-lemmy.entryPoints=http
      - traefik.http.routers.http-lemmy.rule=Host(`gregtech.eu`)
      - traefik.http.middlewares.https_redirect.redirectscheme.scheme=https
      - traefik.http.middlewares.https_redirect.redirectscheme.permanent=true
      - traefik.http.routers.http-lemmy.middlewares=https_redirect
      - traefik.http.routers.https-lemmy.entryPoints=https
      - traefik.http.routers.https-lemmy.rule=Host(`gregtech.eu`)
      - traefik.http.routers.https-lemmy.service=lemmy
      - traefik.http.routers.https-lemmy.tls=true
      - traefik.http.services.lemmy.loadbalancer.server.port=8536
      - traefik.http.routers.https-lemmy.tls.certResolver=le-ssl


  lemmy:
    image: dessalines/lemmy:0.19.8
    hostname: lemmy
    restart: always
    logging: *default-logging
    volumes:
      - ./lemmy.hjson:/config/config.hjson:Z
    depends_on:
      - postgres
      - pictrs
    networks:
      - default
      - database

  lemmy-ui:
    image: dessalines/lemmy-ui:0.19.8
    volumes:
      - ./volumes/lemmy-ui/extra_themes:/app/extra_themes:Z
    depends_on:
      - lemmy
    restart: always
    logging: *default-logging
    environment:
      - LEMMY_UI_LEMMY_INTERNAL_HOST=lemmy:8536
      - LEMMY_UI_LEMMY_EXTERNAL_HOST=gregtech.eu
      - LEMMY_UI_HTTPS=true

  pictrs:
    image: docker.io/asonix/pictrs:0.5
    # this needs to match the pictrs url in lemmy.hjson
    hostname: pictrs
    # we can set options to pictrs like this, here we set max. image size and forced format for conversion
    # entrypoint: /sbin/tini -- /usr/local/bin/pict-rs -p /mnt -m 4 --image-format webp
    #entrypoint: /sbin/tini -- /usr/local/bin/pict-rs run  --max-file-count 10  --media-max-file-size 500 --media-retention-proxy 10d --media-retention-variants 10d  filesystem sled -p /mnt
    user: 991:991
    environment:
      - PICTRS__STORE__TYPE=object_storage
      - PICTRS__STORE__ENDPOINT=https://s3.eu-central-003.backblazeb2.com/
      - PICTRS__STORE__BUCKET_NAME=gregtech-lemmy
      - PICTRS__STORE__REGION=eu-central
      - PICTRS__STORE__USE_PATH_STYLE=false
      - PICTRS__STORE__ACCESS_KEY=redacted
      - PICTRS__STORE__SECRET_KEY=redacted
      - MEDIA__RETENTION__VARIANTS=4d
      - MEDIA__RETENTION__PROXY=4d
      #- PICTRS__MEDIA__IMAGE__FORMAT=webp
      #- PICTRS__MEDIA__IMAGE__QUALITY__WEBP=50
      #- PICTRS__MEDIA__ANIMATION__QUALITY=50
    volumes:
      - ./volumes/pictrs:/mnt:Z
    restart: always
    logging: *default-logging

  postgres:
    image: docker.io/postgres:16-alpine
    hostname: postgres
    volumes:
      - ./volumes/postgres:/var/lib/postgresql/data:Z
      #- ./customPostgresql.conf:/etc/postgresql.conf:Z
    restart: always
    #command: postgres -c config_file=/etc/postgresql.conf
    shm_size: 256M
    logging: *default-logging
    environment:
      - POSTGRES_PASSWORD=password
      - POSTGRES_USER=lemmy
      - POSTGRES_DB=lemmy
    networks:
      - database
  postfix:
    image: docker.io/mwader/postfix-relay
    restart: "always"
    logging: *default-logging

  #pictrs-safety:
  #  image: ghcr.io/db0/pictrs-safety:v1.2.2
  #  hostname: pictrs-safety
  #  environment:
  #  ports:
  #    - "14051:14051"
  #  user: 991:991
  #  restart: always
  #  logging: *default-logging
  #  depends_on:
  #    - pictrs
networks:
  default:
    name: traefik_access
    external: true
  database:

cross-posted from: https://lemmy.world/post/22872422

Screenshot of a Twitter post by user JonErlichman

Average cost for 1 gigabyte of storage:

45 years ago: $438,000 40 years ago: $238,000 35 years ago: $48,720 30 years ago: $5,152 25 years ago: $455 20 years ago: $5 15 years ago: $0.55 10 years ago: $0.05 5 years ago: $0.03 Today: $0.01

Windows Server 2022 creates one recovery partition just on the right of the C: partition. So, when it is required to expand the C: partition it is impossible due to this recovery partition. I realised of this problem because our IT department provides Windows Server virtual machines users are unable to expand.

I would like to know how are you dealing with this problem. Do you remove the recovery partition? Do you keep the recovery partition? how?

Found here.

If you're in the U.S. anyway.

Recently Microsoft released the link 365 which is basically a thin client for Azure. You can't run anything locally nor is there any local files. It literally just connects you to a desktop elsewhere.

Do you think this is what Windows 12 might look like? I feel like this idea is not practical for average consumers. Maybe they will make something that's like Chrome OS?

It's just a fad. It'll pass.

Spent the last 3 months getting requirements for computer upgrades. After that picked out some decent laptops. (Thinkpad L and T series)

Nothing fancy, but I'm just tired of diagnosing problems with previous sysadmin purchased Vostro laptops.

After getting quotes from multiple vendors, finally got everything and sent the CEO to confirm. Guess fucking what... It got fucking denied.

"Look for cheaper laptops and replace only whats critical"

Employees are rocking 7 year old laptops with 128G SSDs! The bloody things can't even run Win 11! The whole upgrade costs less than their single "teambuilding"! I hate this these cheapskates so fucking much...

I was literally told to set up this new service as quickly as possible and it didn't need to be correct or best practice because this was just a proof of concept.

Here we are 6 months later and I'm still cleaning up my own mess.

Let me tell you about the hell that is Roku. They create so much wireless interference and I can't just get rid of them.

The problem stems from WiFi direct. They automatically scan for the busiest channel and then broadcast full strength on that channel. I don't know why they do this but it creates a crazy amount of interference.

And before you ask, no you can't turn WiFi direct off. Also the remote uses WiFi direct for some reason.

WHY, ROKU WHY!

What are you guys working on? Anything new in the world

Doing a PhD in humanities and enjoy it. I’ve recently really started to enjoy Linux, self hosting, and messing around with various lab stuff.

!shittyadmin@lemmy.zip