Posts for: #Tech

WP-Cli Tips and tricks

Install wp-cli curl -O https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar php wp-cli.phar --info chmod +x wp-cli.phar mv wp-cli.phar /usr/local/bin/wp Install new wordpress domain using wp-cli Make sure directory has permisisons for web user cd "WEB_DIRECTORY" sudo -u www-data wp core download sudo -u www-data wp config create --dbname=DATABASE_NAME --dbuser=DATABASE_USER --dbpass=DATABASE_PASSWORD --dbhost=DATABASE_HOST sudo -u www-data wp core install --url=URL_INCLUDING_HTTPS --title=SITE_TITLE --admin_user=ADMIN_USERNAME --admin_password=ADMIN_PASSWORD --admin_email=ADMIN_EMAIL --skip-email sudo -u www-data wp plugin delete 'hello' sudo -u www-data wp plugin delete 'akismet'
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FFMPEG/OwnCast/HDHomeRun

If you’re wanting to stream HDHomeRun channel to your own OwnCast server I’m using Debian like everything else I do apt install -y ffmpeg ffmpeg -i "http://IP_OF_HDHR:5004/auto/vCH.N" -c:v libx264 -c:a aac -b:v 512K -maxrate 512K -bufsize 1M -f flv rtmps://OWNCAST_URL:PORT/live/STREAM_KEY You can now go to your owncast URL and it should be streaming SystemD Service nano /etc/systemd/system/hdhomerun-stream.service [Unit] Description=HDHR Daemon After=network.target [Service] User=plex EnvironmentFile=-/etc/default/hdhomerun Group=plex Type=simple wExecStart=/usr/bin/ffmpeg -i "${CHANNEL}" -c:v libx264 -c:a aac -b:v 512K -maxrate 512K -bufsize 1M -f flv "${URL}:${PORT}/live/${KEY}" Restart=on-failure [Install] WantedBy=multi-user.
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twilio Fun

Call Forwarding using TwiML Bins Login to your account at Twilio. Create TwiML Bin HERE Add a Friendly Name and some TwiML, and then click create. (create a friendly name) Paste the example into the box <Response> <Dial> +12345559876 </Dial> </Response> | replace 2345559876 with your phone number Configure this TwiML bin on your Twilio number HERE Go to Voice & Fax Accept Incoming Voice Calls Configure With Webhook, TwiML Bin, Function, Studio Flow, Proxy Service A Call Comes In TwiML Bin Choose the TwiML Bin you created earlier Lookup up numbers with Twilio API and get a nice pretty JSON output.
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tmux Fun

By default the prefix is Ctrl+B for tmux How to save pane to file Use prefix + : We need to puts those lines into a buffer by typing in capture-pane -S -150 | Replace -150 with however many lines you’d like to save, or - for all lines. Hit return (enter) Now we have to save the buffer to a file by doing the following prefix + : Type in save-buffer filename.
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Autorestic Fun

Install autorestic with the below curl https://raw.githubusercontent.com/cupcakearmy/autorestic/master/install.sh | bash Now we install the config with the below cat <<EOF > /root/.autorestic.yml version: 2 global: forget: keep-daily: 5 keep-weekly: 15 keep-monthly: 15 backends: storj: type: s3 path: https://gateway.us1.storjshare.io/bucket.name.here env: aws_access_key_id: aws_secret_access_key: backblaze: type: s3 path: https://s3.us-west-002.backblazeb2.com/bucket-name-here env: aws_access_key_id: aws_secret_access_key: locations: root: from: - / to: - storj - backblaze options: backup: exclude: - /dev - /media - /mnt - /proc - /run - /sys - /tmp - /var/tmp - /var/lib/mysql - /swap* EOF Now autorestic is installed
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DynamicDNS with Cloudflare bash

Here is a bash script I use to update DDNS with CloudFlare, I could use ddclient, but I like this it works for me apt -y install dnsutils jq curl #!/usr/bin/env bash # A bash script to update a Cloudflare DNS A record with the external IP of the source machine # Used to provide DDNS service for my home # Needs the DNS record pre-creating on Cloudflare ## Based on https://gist.
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Watchtower fun

Watchtower fun with gotify for notifications mkdir -p /opt/watchtower && cd /opt/watchtower version: "3" services: watchtower: image: containrrr/watchtower volumes: - /var/run/docker.sock:/var/run/docker.sock environment: - WATCHTOWER_CLEANUP=true #- WATCHTOWER_LABEL_ENABLE=true - WATCHTOWER_INCLUDE_RESTARTING=true - WATCHTOWER_NOTIFICATIONS=gotify - WATCHTOWER_NOTIFICATION_GOTIFY_URL=https://push.domain.com - WATCHTOWER_NOTIFICATION_GOTIFY_TOKEN= - TZ=America/New_York #- WATCHTOWER_POLL_INTERVAL=86400 - WATCHTOWER_HTTP_API_METRICS=true - WATCHTOWER_HTTP_API_TOKEN= - WATCHTOWER_SCHEDULE=0 0 0 * * * restart: unless-stopped
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Gitea Auth using Authentik Proxy Outpost

RIGHT NOW GITEA KEEPS LOGGED IN AS FIRST USER SO IT’S NOT PERFECT, THERE’S A KNOWN ISSUE We need to update the logout button to the authentik logout URL: wget -O /var/lib/gitea/custom/templates/base/head_navbar.tmpl https://raw.githubusercontent.com/go-gitea/gitea/main/templates/base/head_navbar.tmpl Replace the old logout URL with the new: sed -i 's#/user/logout#/akprox/sign_out#g' /var/lib/gitea/custom/templates/base/head_navbar.tmpl I did notice when replacing the URL to logout it doesn’t directly log you out, but will be logged out next time you try to do anything Now it’s time to config gitea; nano /etc/gitea/app.
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Grafana Auth using Authentik Proxy Outpost

nano /etc/grafana/grafana.ini [auth.proxy] # Defaults to false, but set to true to enable this feature enabled = true # HTTP Header name that will contain the username or email header_name = X-authentik-username # HTTP Header property, defaults to `username` but can also be `email` header_property = username # Set to `true` to enable auto sign up of users who do not exist in Grafana DB. Defaults to `true`. auto_sign_up = false # Define cache time to live in minutes # If combined with Grafana LDAP integration it is also the sync interval sync_ttl = 60 # Limit where auth proxy requests come from by configuring a list of IP addresses.
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rPiBoot Fun

First you can download the intstaller for rpiboot for Windows from github at HERE Then I always prefer Debian which can be found HERE I’m using the DF Robot Router Board from HERE Huge shoutout and thanks to Jeff Geerling for the board. To get the CM4 into rpiboot mode you have to switch the little switch on the DF Robot Board labeled RPIBOOT to 1 Now you have to install the program, then open up rpiboot and let it do it’s thing then it’ll be mounted
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Rundeck fun

nano docker-compose.yaml version: '3' services: rundeck: image: 'rundeck/rundeck:3.4.8' restart: unless-stopped environment: RUNDECK_GRAILS_URL: 'https://rundeck.domain.com' RUNDECK_SERVER_FORWARDED: 'true' RUNDECK_DATABASE_DRIVER: org.mariadb.jdbc.Driver RUNDECK_DATABASE_USERNAME: rundeck RUNDECK_DATABASE_PASSWORD: rundeck RUNDECK_DATABASE_URL: jdbc:mysql://mysql/rundeck?autoReconnect=true&useSSL=false ports: - 127.0.0.1:4440:4440 volumes: - ./data/data:/home/rundeck/server/data - ./data/projects:/home/rundeck/projects - ./data/realm.properties:/home/rundeck/server/config/realm.properties depends_on: - "mysql" mysql: image: mysql:5.7 restart: unless-stopped environment: - MYSQL_ROOT_PASSWORD=root - MYSQL_DATABASE=rundeck - MYSQL_USER=rundeck - MYSQL_PASSWORD=rundeck volumes: - ./data/db:/var/lib/mysql First you’ll want to comment out - ./data/realm.properties:/home/rundeck/server/config/realm.properties then docker exec -it rundeck_rundeck_1 cat /home/rundeck/server/config/realm.properties > ./data/realm.properties to get the file.
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Usenet Basics

Here’s a quick rundown of how usenet works: The three things required are a server, indexer, and downloaders. Server: Where you download the articles from. (Eweka, SuperNews) Indexer: A search engine for the usenet servers. (NZBGeek, NZBCat, DogNZB) Downloader: This is used to download and extract the files since they are put into RAR files. (NZBGet, SABnzbd) Arr software searches via the indexer which then sends the .nzb file to the downloader.
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Headscale Notes

Client DNS If you don’t want to use magic DNS like myself. I was having issues with it so I did this. Add the following to ~/.bashrc this will allow you to SSH to clients in the following way tailssh $USER $HOSTNAME you can also just run tailssh and that will show you all of the servers function tailssh () { if [[ -z $1 ]] && [[ -z $2 ]]; then tailscale status | grep -v 'filter/INPUT' | column -t else host=$(tailscale status | grep $2 | awk '{ print $1 }') ssh ${1}@${host} fi } Now we need to install column apt install bsdmainutils
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How to set up Headscale

Here I will walk you through setting up Headscale Create Directories mkdir -p /opt/headscale/config /opt/headscale/bin Install Reqs apt install -y wireguard-tools nginx apt-transport-https Generate Key wg genkey > /opt/headscale/config/private.key Download newest release from HERE wget https://github.com/juanfont/headscale/releases/download/v0.15.0-beta5/headscale_0.15.0-beta5_linux_amd64 -O /opt/headscale/bin/headscale Add headscale ~/.bashrc echo PATH=$PATH:/opt/headscale/bin >> ~/.bashrc Source the new PATH source ~/.bashrc Create config Create a config in /opt/headscale/config/config.yml nano config.yaml --- # The url clients will connect to. # Typically this will be a domain.
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Apaches Alias with ProxyPass

I was trying to get an alias to work with a ProxyPass. This is pretty easy in NGiNX you just add locations where they need to be, but it appears in Apache/HTTPD you have to specify to ignore the location without the ProxyPass Module The below needs to be added into your VirtualHost. This specific use was for the AppRise_API server Alias "/s" "/opt/apprise/server/apprise_api/static" <Directory "/opt/apprise/server/apprise_api/static"> AllowOverride None Require all granted </Directory> ReWriteEngine on ProxyPassMatch ^/s !
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Install Debian using RS232 serial cable

The following is for Windows Download Putty Choose serial and select the COM? you can find the com number from device manager under [Ports (COM & LPT)] Now that we have a serial connection go ahead and plug in the netinstall iso usb drive created using Rufus from Debian website hit tab to enter cmd to boot remove quiet after the --- and replace with console=ttyS0,115200n8 example below. This will make the installer use the serial port
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Speedtest-cli with Grafana, InfluxDB, and Telegraf

HERE is the script that you can add to cron. Don’t forget to update the file with your influx creds and provisioned upload/download. mkdir /root/scripts wget https://leffler.tech/uploads/2021/09/28/speedtest2influx.sh -O /root/scripts/speedtest2influx.sh echo '0 * * * * root /root/scripts/speedtest2influx.sh' >> /etc/cronab HERE is the json for the dashboard
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Simple router using Debian and Firewall-cmd as a base

Here is a quick rundown on how to make a simple Debian box into a router Removed un-needed items apt purge iptables Install required items apt install bridge-utils firewalld dnsmasq Enable IP Forwarding sed -i 's/#net.ipv4.ip_forward=1/net.ipv4.ip_forward=1/g' /etc/sysctl.conf Find NICs ip a to find the NICs Now we create the bridge. This is assuming your device has three NICs and you want two for LAN and one for WAN nano /etc/network/interfaces
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HDHomeRun metrics using Grafana, InfluxDB, and Telegraf

nano /etc/telegraf/telegraf.d/input-hdhr.conf [[inputs.exec]] commands = ["curl http://<IP-OF-DEVICE>/status.json"] timeout = "5s" data_format = "json" name_override = "HDHomeRun" tag_keys = ["Resource"] [inputs.exec.tags] device="<IP-OF-DEVICE>" HERE is the json for the dashboard This might get updated, might not.
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Blog Backend

How this blog is deployed ClearNet: gitea (main repo) -> metroline (custom hugo build container) -> github release (via custom container to clone from gitea and push to github) -> cloudflare pages (this is auto when there’s a commit in the github repo) TOR: gitea (main repo) -> metroline (custom hugo build container) -> rsync (custom container to push to web server) -> webserver (proxied via link HERE ) I had to do it this way since CloudFlare Pages only work with Github.
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Fix Nextcloud Issues

Below is how to fix the Your web server is not properly set up to resolve /.well-known/webfinger /.well-known/nodeinfo error if using NGiNX since everything else I could find was for Apache/HTTPD. Add the following to your NGiNX config file for nextcloud. Usualy found in /etc/nginx/sites-enabled/ or /etc/nginx/conf.d/ location = /.well-known/webfinger { return 301 $scheme://$host/index.php/.well-known/webfinger; } location = /.well-known/nodeinfo { return 301 $scheme://$host/index.php/.well-known/nodeinfo; } ACPu errors when doing stuff on the command line.
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Git fun

Here’s some simple things to do with git When updating a repo this is the simplest way to do it git config --global user.name FIRST_NAME LAST_NAME | this sets the person who made the commit (first/last name) git config --global user.email [email protected] | this sets the person who made the commit (email) git diff | this is the see any lines you’ve changed git status | this will show which branch your on and which files have changed (not the contents of the file like git diff, but just the files themselves)
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Restic systemd

init repo apt install -y restic export AWS_ACCESS_KEY_ID='KEY_ID_HERE' export AWS_SECRET_ACCESS_KEY='ACCESS_KEY_HERE' export RESTIC_REPOSITORY="REPO_HERE_IS_USE_MINIO" export RESTIC_PASSWORD='RANDOM_PASSWD_HERE' restic init Service time nano /etc/systemd/system/restic-backup.service [Unit] Description=restic Wants=restic.timer [Service] Type=oneshot User=root Group=root Environment=AWS_ACCESS_KEY_ID='KEY_ID_HERE' Environment=AWS_SECRET_ACCESS_KEY='ACCESS_KEY_HERE' Environment=RESTIC_REPOSITORY="REPO_HERE_IS_USE_MINIO" Environment=RESTIC_PASSWORD='RANDOM_PASSWD_HERE' ExecStartPre=/bin/bash -c '/usr/bin/mysqldump --defaults-file=/root/.my.cnf --all-databases > /opt/backup/mysqldump.sql' ExecStart=/bin/bash -c '/usr/bin/restic --exclude={/dev,/media,/mnt,/proc,/run,/sys,/tmp,/var/tmp,/var/lib/mysql,/swap*} backup / && /usr/bin/restic forget --prune --keep-daily 5 --keep-weekly 15 --keep-monthly 15' ExecStartPost=/usr/bin/rm /opt/backup/mysqldump.sql [Install] WantedBy=multi-user.target Timer time nano /etc/systemd/system/restic-backup.timer [Unit] Description=restic Requires=restic.service [Timer] Unit=restic.service OnCalendar=daily AccuracySec=1h Persistent=true [Install] WantedBy=timers.
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