Create DAGU_CRON.md

Author: Azathothas

Linux/DAGU_CRON.md

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+- #### [**`DAGU`**](https://github.com/dagu-dev/dagu)
+> - Config: https://dagu.readthedocs.io/en/latest/config.html
+> - Dags: `$HOME/.dagu/dags`
+```bash
+#User Context for Systemd
+export DAGU_USER="$(whoami)"
+#HOME Dir of Current $USER
+export DAGU_HOME="$(getent passwd $DAGU_USER | cut -d: -f6)" ; mkdir -p "$DAGU_HOME/.dagu"
+#IP Address [Manually specify TS IP if (Usermode)]
+export DAGU_HOST="$(ip addr show tailscale0 | grep -oP '(?<=inet\s)\d+(\.\d+){3}' || sudo tailscale ip -4 2>/dev/null | tr -d '\n' | tr -d '[:space:]')"
+#To listen on all interfaces: export DAGU_HOST="0.0.0.0"
+#export DAGU_HOST="127.0.0.1"
+#PORT for WEBUI/API
+export DAGU_PORT="8080"
+#AUTH for webui/api
+DAGU_BASICAUTH_USERNAME="$SECURE_USERNAME"
+DAGU_BASICAUTH_PASSWORD="$SECURE_PASSWORD"
+```
+---
+- #### SystemD
+```bash
+##--Systemd--##
+sudo curl -qfsSL "https://bin.ajam.dev/$(uname -m)/dagu" -o "/usr/bin/dagu" && sudo chmod +x "/usr/bin/dagu"
+sudo mkdir -p "/etc/systemd/system/" && sudo touch "/etc/systemd/system/dagu_ts.service"
+cat << EOF | sed -e "s|DG_USER|$DAGU_USER|" -e "s|DG_HOME|$DAGU_HOME|" -e "s|DG_HOST|$DAGU_HOST|" -e "s|DG_PORT|$DAGU_PORT|" -e "s|DG_SUSER|$DAGU_BASICAUTH_USERNAME|" -e "s|DG_SPASSWD|$DAGU_BASICAUTH_PASSWORD|" | sudo tee "/etc/systemd/system/dagu_ts.service"
+[Unit]
+Description=Dagu Job Scheduler
+Wants=network-online.target
+Requires=tailscaled.service
+After=network-online.target network.target tailscaled.service
+
+[Service]
+Type=simple
+User=DG_USER
+Environment="DAGU_HOME=DG_HOME/.dagu"
+Environment="DAGU_HOST=DG_HOST"
+Environment="DAGU_PORT=DG_PORT"
+Environment="DAGU_IS_BASICAUTH=1"
+Environment="DAGU_BASICAUTH_USERNAME=DG_SUSER"
+Environment="DAGU_BASICAUTH_PASSWORD=DG_SPASSWD"
+ExecStartPre=/bin/mkdir -p DG_HOME/.dagu/syslog
+ExecStartPre=/bin/sleep 10
+ExecStart=/usr/bin/dagu start-all
+StandardOutput=DG_HOME/.dagu/syslog/dagu_ts.log
+StandardError=DG_HOME/.dagu/syslog/dagu_ts.log
+Restart=always
+KillMode=process
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+sudo systemctl daemon-reload
+sudo systemctl enable "dagu_ts.service" --now
+#If Unit tailscaled.service not found: 
+# sudo sed -i -e '/Requires=/d' -e 's/tailscaled.service//g' "/etc/systemd/system/dagu_ts.service"
+# sudo systemctl daemon-reload
+# sudo systemctl enable "dagu_ts.service" --now
+sudo systemctl restart "dagu_ts.service"
+sudo systemctl status "dagu_ts.service"
+journalctl -xeu "dagu_ts.service"
+```
+---
+- #### Tmux
+```bash
+#Run in a tmux-no-hop session
+ pgrep --full dagu | xargs kill -9 2>/dev/null
+ tmux kill-session -t "dagu" 2>/dev/null
+ tmux new-session -s "dagu"
+ mkdir -p "$HOME/.logs"
+ export "DAGU_IS_BASICAUTH=1"
+ nohup dagu start-all > "$HOME/.logs/dagu.log" 2>&1 &
+ #nohup dagu start-all >/dev/null 2>&1 &
+ tmux detach-client
+ # [ctrl + b] + d to detach
+ # To kill (From a dettached Terminal): pgrep --full tmux | xargs kill -9
+#Attach
+ tmux attach-session -t "dagu"
+```