chore(helm): update app version to 0.20.0

internal/dockerfile_agent_nvidia_slim

@@ -70,9 +70,7 @@ RUN set -eux; \
 # --------------------------
 FROM --platform=$TARGETPLATFORM debian:bookworm-slim AS zfsutils-builder
 
-# zfsutils-linux is distributed in Debian's contrib component.
+RUN apt-get update && apt-get install -y --no-install-recommends \
-RUN sed -i 's/Components: main/Components: main contrib/' /etc/apt/sources.list.d/debian.sources \
-  && apt-get update && apt-get install -y --no-install-recommends \
   zfsutils-linux \
   && rm -rf /var/lib/apt/lists/*
 

internal/site/src/components/routes/system.tsx

@@ -211,6 +211,7 @@ export default memo(function SystemDetail({ id }: { id: string }) {
 						<TemperatureChart {...coreProps} setPageBottomExtraMargin={setPageBottomExtraMargin} />
 						<FanChart {...coreProps} />
 						<BatteryChart system={system} {...coreProps} />
+						<SwapChart chartData={chartData} grid={grid} dataEmpty={dataEmpty} systemStats={systemStats} />
 						{pageBottomExtraMargin > 0 && <div style={{ marginBottom: pageBottomExtraMargin }}></div>}
 					</div>
 				</TabsContent>

readme.md

@@ -15,10 +15,9 @@ It has a friendly web interface, simple configuration, and is ready to use out o
 
 - **Lightweight**: Smaller and less resource-intensive than leading solutions.
 - **Simple**: Easy setup with little manual configuration required.
-- **Alerts**: Configurable alerts for most metrics. Supports many notification services.
 - **Docker stats**: Tracks CPU, memory, and network usage history for each container.
-- **Network monitoring**: Monitor response time and interruptions directly from agents.
+- **ZFS**: Tracks pool capacity, health, and I/O, plus per-dataset usage.
-- **S.M.A.R.T.**: Disk health data and notifications on drive failure.
+- **Alerts**: Configurable alerts for CPU, memory, disk, bandwidth, temperature, fan speed, load average, and status.
 - **Multi-user**: Users manage their own systems. Admins can share systems across users.
 - **OAuth / OIDC**: Supports many OAuth2 providers. Password auth can be disabled.
 - **Automatic backups**: Save to and restore from disk or S3-compatible storage.
@@ -52,7 +51,7 @@ The [quick start guide](https://beszel.dev/guide/getting-started) and other docu
 - **Temperature** - Host system sensors.
 - **Fan speed** - Host system sensors (Linux, via `/sys/class/hwmon`).
 - **GPU usage / power draw** - Nvidia, AMD, and Intel.
-- **Battery charge** - Host system and some peripherals.
+- **Battery** - Host system battery charge.
 - **Containers** - Status and metrics of all running Docker / Podman containers.
 - **S.M.A.R.T.** - Host system disk health (includes eMMC wear/EOL and Linux mdraid array health via sysfs when available).
 - **ZFS** - Pool capacity, usage, health, I/O throughput, scrub status, and per-dataset usage.

supplemental/scripts/install-agent.sh

@@ -298,94 +298,6 @@ warn() {
   echo "Warning: $*" >&2
 }
 
-# Keep IDs within 16 bits, including on older OpenWrt versions whose account
-# helpers start automatic allocation at 65536.
-openwrt_unused_id() {
-  awk -F: '
-    { used[$3] = 1 }
-    END {
-      for (id = 32768; id < 65534; id++) {
-        if (!(id in used)) { print id; exit }
-      }
-      exit 1
-    }
-  ' "$1"
-}
-
-validate_openwrt_account() {
-  # Duplicate numeric IDs share permissions even when the names differ.
-  for account_file in /etc/passwd /etc/group; do
-    if ! awk -F: '
-      $1 == "beszel" { id = $3; count++ }
-      { ids[$3]++ }
-      END { if (count && (count != 1 || id == 0 || ids[id] != 1)) exit 1 }
-    ' "$account_file"; then
-      fail "The beszel account has a duplicate or root ID in $account_file. Stop beszel-agent and assign beszel an unused UID/GID before reinstalling. Update ownership only in $AGENT_DIR; do not change all files owned by the shared ID."
-    fi
-  done
-  if grep -q '^beszel:' /etc/passwd; then
-    account_gid=$(awk -F: '$1 == "beszel" { print $4 }' /etc/passwd)
-    group_gid=$(awk -F: '$1 == "beszel" { print $3 }' /etc/group)
-    [ "$account_gid" = "$group_gid" ] || fail "The beszel user's primary group is not the dedicated beszel group. Repair the account before reinstalling."
-  fi
-}
-
-configure_openwrt_account() (
-  validate_openwrt_account
-  [ -r /lib/functions.sh ] || fail "OpenWrt account helpers (/lib/functions.sh) are required."
-  # OpenWrt's library expects unset variables and defines generic functions.
-  # Source it in a subshell so neither affects the rest of the installer.
-  set +u
-  . /lib/functions.sh
-  IPKG_INSTROOT=""
-
-  if ! grep -q '^beszel:' /etc/group; then
-    account_gid=$(openwrt_unused_id /etc/group) || fail "No unused service GID available."
-    group_add beszel "$account_gid" || fail "Could not create the beszel group."
-  fi
-  account_gid=$(awk -F: '$1 == "beszel" { print $3 }' /etc/group)
-  [ -n "$account_gid" ] || fail "The beszel group was not created."
-  if ! grep -q '^beszel:' /etc/passwd; then
-    account_uid=$(openwrt_unused_id /etc/passwd) || fail "No unused service UID available."
-    user_add beszel "$account_uid" "$account_gid" "Beszel agent" /nonexistent /bin/false || fail "Could not create the beszel user."
-  fi
-  grep -q '^beszel:' /etc/passwd || fail "The beszel account is incomplete."
-  validate_openwrt_account
-  # Previous installers omitted the shadow entry. Repair it with a locked
-  # password, without rewriting an existing account or changing its IDs.
-  if ! grep -q '^beszel:' /etc/shadow; then
-    lock /var/lock/passwd || fail "Could not lock the account database."
-    shadow_status=0
-    if ! grep -q '^beszel:' /etc/shadow; then
-      printf 'beszel:!:0:0:99999:7:::\n' >> /etc/shadow || shadow_status=$?
-    fi
-    lock -u /var/lock/passwd || fail "Could not unlock the account database."
-    [ "$shadow_status" -eq 0 ] || fail "Could not create the beszel shadow entry."
-  fi
-
-  if grep -q '^docker:' /etc/group; then
-    # Match complete member names and avoid a leading comma for empty groups.
-    if ! awk -F: '$1 == "docker" { n = split($4, members, ","); for (i = 1; i <= n; i++) if (members[i] == "beszel") found = 1 } END { exit !found }' /etc/group; then
-      echo "Adding beszel to docker group"
-      if grep -q '^docker:[^:]*:[^:]*:$' /etc/group; then
-        sed -i '/^docker:/s/$/beszel/' /etc/group
-      else
-        sed -i '/^docker:/s/$/,beszel/' /etc/group
-      fi
-    fi
-  fi
-)
-
-remove_openwrt_account() {
-  if command -v userdel >/dev/null 2>&1; then
-    userdel beszel || fail "Could not remove the beszel user."
-  elif command -v deluser >/dev/null 2>&1; then
-    deluser beszel || fail "Could not remove the beszel user."
-  else
-    warn "Neither userdel nor deluser is available; the beszel account has been retained."
-  fi
-}
-
 require_value() {
   [ "$#" -ge 2 ] && [ -n "$2" ] || fail "Option $1 requires a value."
 }
@@ -760,9 +672,7 @@ if [ "$UNINSTALL" = true ]; then
   echo "Removing the dedicated user for the agent service..."
   killall beszel-agent 2>/dev/null || true # Usually already stopped by the service manager.
   if id -u beszel >/dev/null 2>&1; then
-    if is_openwrt; then
+    if is_alpine || is_openwrt; then
-      remove_openwrt_account
-    elif is_alpine; then
       deluser beszel || fail "Could not remove the beszel user."
     elif is_freebsd; then
       pw user del beszel || fail "Could not remove the beszel user."
@@ -862,7 +772,32 @@ if is_alpine; then
   fi
   
 elif is_openwrt; then
-  configure_openwrt_account
+  # Create beszel group first if it doesn't exist (check /etc/group directly)
+  if ! grep -q "^beszel:" /etc/group >/dev/null 2>&1; then
+    echo "beszel:x:999:" >> /etc/group
+  fi
+  
+  # Create beszel user if it doesn't exist (double-check to prevent duplicates)
+  if ! id -u beszel >/dev/null 2>&1 && ! grep -q "^beszel:" /etc/passwd >/dev/null 2>&1; then
+    echo "beszel:x:999:999::/nonexistent:/bin/false" >> /etc/passwd
+  fi
+  
+  # Add the user to the docker group if docker group exists and user is not already in it
+  if grep -q "^docker:" /etc/group >/dev/null 2>&1; then
+    echo "Adding beszel to docker group"
+    # Check if beszel is already in docker group
+    if ! grep "^docker:" /etc/group | grep -q "beszel"; then
+      # Add beszel to docker group by modifying /etc/group
+      # Handle both cases: group with existing members and group without members
+      if grep "^docker:" /etc/group | grep -q ":.*:.*$"; then
+        # Group has existing members, append with comma
+        sed -i 's/^docker:\([^:]*:[^:]*:\)\(.*\)$/docker:\1\2,beszel/' /etc/group
+      else
+        # Group has no members, just append
+        sed -i 's/^docker:\([^:]*:[^:]*:\)$/docker:\1beszel/' /etc/group
+      fi
+    fi
+  fi
 
 elif is_freebsd; then
   if is_opnsense || is_pfsense; then