Initial commit: Busbar Designer
Web tool for designing nickel/copper busbars over cylindrical-cell battery packs (21700, 18650) in hex holders. Flask + build123d backend exports STEP/DXF/SVG; vanilla JS frontend with live preview, multi-project SQLite persistence, snapshot history. Deploy scripts in deploy/ (proxmox-lxc.sh, install.sh, update.sh).
This commit is contained in:
wenil
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#!/usr/bin/env bash
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# proxmox-lxc.sh — create an unprivileged Debian 12 LXC on a Proxmox VE host
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# and install Busbar Designer into it. Inspired by the community-scripts style.
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#
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# Run on the Proxmox host as root, e.g.:
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#
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# bash -c "$(curl -fsSL https://gitea.local/me/busbar-designer/raw/branch/main/deploy/proxmox-lxc.sh)"
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#
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# Interactive whiptail prompts; or pre-set everything via env to skip prompts:
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#
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# REPO_URL=https://gitea.local/me/busbar-designer.git \
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# CTID=210 HOSTNAME=busbar DISK_SIZE=4 CORES=2 RAM=1024 \
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# BRIDGE=vmbr0 IP=dhcp STORAGE=local-lvm \
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# bash proxmox-lxc.sh
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set -euo pipefail
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# ---- colors ----------------------------------------------------------------
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GREEN='\033[0;32m'; YELLOW='\033[1;33m'; RED='\033[0;31m'
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BLUE='\033[0;34m'; BOLD='\033[1m'; NC='\033[0m'
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log() { echo -e "${GREEN}▸${NC} $*"; }
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warn() { echo -e "${YELLOW}!${NC} $*"; }
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die() { echo -e "${RED}✗ $*${NC}" >&2; exit 1; }
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banner() {
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cat <<'EOF'
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____ _ ____ _
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| __ ) _ _ ___| |__ __ _ _ __ | _ \ ___ ___(_) __ _ _ __ ___ _ __
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| _ \| | | / __| '_ \ / _` | '__| | | | |/ _ \/ __| |/ _` | '_ \ / _ \ '__|
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| |_) | |_| \__ \ |_) | (_| | | | |_| | __/\__ \ | (_| | | | | __/ |
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|____/ \__,_|___/_.__/ \__,_|_| |____/ \___||___/_|\__, |_| |_|\___|_|
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|___/
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Proxmox VE LXC installer
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EOF
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}
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# ---- preflight -------------------------------------------------------------
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[[ $EUID -eq 0 ]] || die "Run as root on the Proxmox host."
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command -v pveversion >/dev/null 2>&1 || die "pveversion not found — is this a Proxmox VE host?"
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command -v pct >/dev/null 2>&1 || die "pct not found — Proxmox VE tools missing?"
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banner
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# ---- defaults --------------------------------------------------------------
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CTID_DEFAULT=$(pvesh get /cluster/nextid 2>/dev/null || echo "200")
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CTID="${CTID:-$CTID_DEFAULT}"
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HOSTNAME="${HOSTNAME:-busbar-designer}"
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DISK_SIZE="${DISK_SIZE:-4}"
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CORES="${CORES:-2}"
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RAM="${RAM:-1024}"
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SWAP="${SWAP:-512}"
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BRIDGE="${BRIDGE:-vmbr0}"
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IP="${IP:-dhcp}"
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STORAGE="${STORAGE:-local-lvm}"
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TEMPLATE_STORAGE="${TEMPLATE_STORAGE:-local}"
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REPO_URL="${REPO_URL:-}"
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BRANCH="${BRANCH:-main}"
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GIT_SSL_NO_VERIFY="${GIT_SSL_NO_VERIFY:-0}"
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# ---- interactive prompts (whiptail) ----------------------------------------
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ask() {
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local var="$1" prompt="$2" default="$3" h="${4:-8}" w="${5:-60}"
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local val
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if [[ -t 0 ]] && command -v whiptail >/dev/null 2>&1; then
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val=$(whiptail --title "Busbar Designer" --inputbox "$prompt" "$h" "$w" "$default" \
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3>&1 1>&2 2>&3) || die "Cancelled."
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else
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read -rp "$prompt [$default]: " val
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val="${val:-$default}"
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fi
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printf -v "$var" '%s' "$val"
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}
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yesno() {
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local prompt="$1" default="${2:-no}"
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if [[ -t 0 ]] && command -v whiptail >/dev/null 2>&1; then
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if [[ "$default" == "yes" ]]; then
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whiptail --title "Busbar Designer" --yesno "$prompt" 8 60
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else
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whiptail --title "Busbar Designer" --yesno "$prompt" --defaultno 8 60
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fi
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else
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read -rp "$prompt [$default]: " val
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[[ "${val:-$default}" =~ ^(y|yes)$ ]]
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fi
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}
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if [[ -z "$REPO_URL" ]] || [[ -t 0 ]]; then
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ask CTID "Container ID" "$CTID"
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ask HOSTNAME "Hostname" "$HOSTNAME"
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ask DISK_SIZE "Root disk size (GB)" "$DISK_SIZE"
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ask CORES "CPU cores" "$CORES"
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ask RAM "RAM (MB)" "$RAM"
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ask STORAGE "Storage pool for rootfs (e.g. local-lvm, local-zfs)" "$STORAGE" 8 70
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ask BRIDGE "Network bridge" "$BRIDGE"
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ask IP "IP config: 'dhcp' or 'a.b.c.d/24,gw=a.b.c.1'" "$IP" 8 70
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ask REPO_URL "Git URL of busbar-designer repo (your Gitea / GitHub)" \
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"${REPO_URL:-https://gitea.local/me/busbar-designer.git}" 10 70
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ask BRANCH "Branch" "$BRANCH"
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if yesno "Skip TLS verification for git? (only if your Gitea uses a self-signed cert)"; then
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GIT_SSL_NO_VERIFY=1
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fi
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fi
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[[ -n "$REPO_URL" ]] || die "REPO_URL is required."
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# ---- template --------------------------------------------------------------
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log "Looking for a Debian 12 template..."
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TEMPLATE=$(pveam available --section system 2>/dev/null \
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| awk '/debian-12-standard/ {print $2}' | sort -r | head -n 1)
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[[ -n "$TEMPLATE" ]] || die "Couldn't find debian-12-standard in 'pveam available'. Run 'pveam update' first."
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LOCAL_TEMPLATE="/var/lib/vz/template/cache/$TEMPLATE"
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if [[ ! -f "$LOCAL_TEMPLATE" ]]; then
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log "Downloading template $TEMPLATE..."
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pveam download "$TEMPLATE_STORAGE" "$TEMPLATE"
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fi
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# ---- create LXC ------------------------------------------------------------
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if pct status "$CTID" >/dev/null 2>&1; then
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die "Container $CTID already exists. Pick a different CTID."
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fi
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PASSWORD="$(openssl rand -base64 12 | tr -d '/+=' | cut -c1-16)"
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if [[ "$IP" == "dhcp" ]]; then
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NET="name=eth0,bridge=$BRIDGE,ip=dhcp"
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else
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NET="name=eth0,bridge=$BRIDGE,ip=$IP"
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fi
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log "Creating LXC $CTID ($HOSTNAME)..."
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pct create "$CTID" "$TEMPLATE_STORAGE:vztmpl/$TEMPLATE" \
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--hostname "$HOSTNAME" \
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--cores "$CORES" \
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--memory "$RAM" \
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--swap "$SWAP" \
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--rootfs "$STORAGE:$DISK_SIZE" \
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--net0 "$NET" \
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--password "$PASSWORD" \
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--features nesting=1 \
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--unprivileged 1 \
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--onboot 1 \
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--start 1 \
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--description "Busbar Designer · $REPO_URL ($BRANCH)" >/dev/null
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# ---- wait for network ------------------------------------------------------
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log "Waiting for network in CT $CTID..."
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for i in {1..30}; do
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if pct exec "$CTID" -- bash -c "getent hosts deb.debian.org >/dev/null" 2>/dev/null; then
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break
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fi
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sleep 2
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done
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# ---- run installer inside the LXC ------------------------------------------
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log "Bootstrapping git + curl in the container..."
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pct exec "$CTID" -- bash -c "
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set -e
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export DEBIAN_FRONTEND=noninteractive
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apt-get update -qq
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apt-get install -y -qq git ca-certificates curl
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" || die "Failed to install bootstrap packages in CT."
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log "Cloning repo and running deploy/install.sh inside CT $CTID..."
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pct exec "$CTID" -- bash -c "
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set -e
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${GIT_SSL_NO_VERIFY:+export GIT_SSL_NO_VERIFY=true}
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rm -rf /opt/busbar-designer
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git clone --depth 1 -b '$BRANCH' '$REPO_URL' /opt/busbar-designer
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REPO_URL='$REPO_URL' BRANCH='$BRANCH' \
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${GIT_SSL_NO_VERIFY:+GIT_SSL_NO_VERIFY=1} \
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bash /opt/busbar-designer/deploy/install.sh
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" || die "Installer failed. Inspect with: pct enter $CTID"
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# ---- report ---------------------------------------------------------------
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IP_ADDR=$(pct exec "$CTID" -- bash -c "hostname -I | awk '{print \$1}'" 2>/dev/null || true)
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[[ -n "$IP_ADDR" ]] || IP_ADDR="<unknown — check 'pct exec $CTID -- ip a'>"
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echo
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log "================================================================"
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log " ${BOLD}✓ Busbar Designer LXC ready${NC}"
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log ""
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log " Container ID: $CTID"
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log " Hostname: $HOSTNAME"
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log " Root password: $PASSWORD"
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log " URL: http://$IP_ADDR:5000"
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log ""
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log " Update: pct exec $CTID -- bash /opt/busbar-designer/deploy/update.sh"
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log " Logs: pct exec $CTID -- journalctl -u busbar-designer -f"
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log " Enter: pct enter $CTID"
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log " Backup: pct exec $CTID -- cat /opt/busbar-designer/data/busbar.db > backup.db"
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log "================================================================"
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