Apply suggestion from @tremor021

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

CHANGELOG.md

@@ -452,10 +452,22 @@ Exercise vigilance regarding copycat or coat-tailing sites that seek to exploit
 
 ### 🚀 Updated Scripts
 
+  - #### 🐞 Bug Fixes
+
+    - GrayLog: MongoDB update to 8.2.x [@tremor021](https://github.com/tremor021) ([#14114](https://github.com/community-scripts/ProxmoxVE/pull/14114))
+    - Graylog: Better information in the log file [@tremor021](https://github.com/tremor021) ([#14110](https://github.com/community-scripts/ProxmoxVE/pull/14110))
+
   - #### 🔧 Refactor
 
+    - Refactor: checkMK [@MickLesk](https://github.com/MickLesk) ([#14105](https://github.com/community-scripts/ProxmoxVE/pull/14105))
     - PatchMon: Unpin release [@tremor021](https://github.com/tremor021) ([#14097](https://github.com/community-scripts/ProxmoxVE/pull/14097))
 
+### 💾 Core
+
+  - #### 🔧 Refactor
+
+    - core: add guidance when storage lacks rootdir support [@MickLesk](https://github.com/MickLesk) ([#14108](https://github.com/community-scripts/ProxmoxVE/pull/14108))
+
 ## 2026-04-28
 
 ### 🆕 New Scripts

ct/graylog.sh

@@ -37,7 +37,7 @@ function update_script() {
   CURRENT_VERSION=$(apt list --installed 2>/dev/null | grep graylog-server | grep -oP '\d+\.\d+\.\d+')
 
   if dpkg --compare-versions "$CURRENT_VERSION" lt "6.3"; then
-    MONGO_VERSION="8.0" setup_mongodb
+    MONGO_VERSION="8.2" setup_mongodb
 
     msg_info "Updating Graylog"
     $STD apt update

ct/headers/nagios

@@ -0,0 +1,6 @@
+    _   __            _           
+   / | / /___ _____ _(_)___  _____
+  /  |/ / __ `/ __ `/ / __ \/ ___/
+ / /|  / /_/ / /_/ / / /_/ (__  ) 
+/_/ |_/\__,_/\__, /_/\____/____/  
+            /____/                

ct/nagios.sh

@@ -0,0 +1,107 @@
+#!/usr/bin/env bash
+source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: CanbiZ (MickLesk)
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://github.com/NagiosEnterprises/nagioscore
+
+APP="Nagios"
+var_tags="${var_tags:-monitoring;alerts;infrastructure}"
+var_cpu="${var_cpu:-2}"
+var_ram="${var_ram:-2048}"
+var_disk="${var_disk:-20}"
+var_os="${var_os:-debian}"
+var_version="${var_version:-13}"
+var_unprivileged="${var_unprivileged:-1}"
+
+header_info "$APP"
+variables
+color
+catch_errors
+
+function update_script() {
+  header_info
+  check_container_storage
+  check_container_resources
+
+  if [[ ! -f /usr/local/nagios/etc/nagios.cfg ]]; then
+    msg_error "No ${APP} Installation Found!"
+    exit
+  fi
+
+  local core_update=0
+  local plugins_update=0
+
+  if check_for_gh_release "nagios" "NagiosEnterprises/nagioscore"; then
+    core_update=1
+  fi
+
+  if check_for_gh_release "nagios-plugins" "nagios-plugins/nagios-plugins"; then
+    plugins_update=1
+  fi
+
+  if [[ "$core_update" == "1" || "$plugins_update" == "1" ]]; then
+    msg_info "Stopping Services"
+    systemctl stop nagios
+    systemctl stop apache2
+    msg_ok "Stopped Services"
+
+    msg_info "Backing up Configuration"
+    cp -a /usr/local/nagios/etc /opt/nagios-etc-backup
+    msg_ok "Backed up Configuration"
+
+    if [[ "$core_update" == "1" ]]; then
+      CLEAN_INSTALL=1 fetch_and_deploy_gh_release "nagios" "NagiosEnterprises/nagioscore" "tarball"
+
+      msg_info "Building Nagios Core"
+      cd /opt/nagios
+      $STD ./configure --with-httpd-conf=/etc/apache2/sites-enabled
+      $STD make all
+      $STD make install-groups-users
+      usermod -a -G nagios www-data
+      $STD make install
+      $STD make install-daemoninit
+      $STD make install-commandmode
+      $STD make install-config
+      $STD make install-webconf
+      a2enmod rewrite >/dev/null 2>&1
+      a2enmod cgi >/dev/null 2>&1
+      msg_ok "Built Nagios Core"
+    fi
+
+    if [[ "$plugins_update" == "1" ]]; then
+      CLEAN_INSTALL=1 fetch_and_deploy_gh_release "nagios-plugins" "nagios-plugins/nagios-plugins" "tarball"
+
+      msg_info "Building Nagios Plugins"
+      cd /opt/nagios-plugins
+      $STD ./tools/setup
+      $STD ./configure
+      $STD make
+      $STD make install
+      msg_ok "Built Nagios Plugins"
+    fi
+
+    msg_info "Restoring Configuration"
+    rm -rf /usr/local/nagios/etc
+    cp -a /opt/nagios-etc-backup /usr/local/nagios/etc
+    rm -rf /opt/nagios-etc-backup
+    msg_ok "Restored Configuration"
+
+    msg_info "Starting Services"
+    systemctl start apache2
+    systemctl start nagios
+    msg_ok "Started Services"
+
+    msg_ok "Updated successfully!"
+  fi
+  exit
+}
+
+start
+build_container
+description
+
+msg_ok "Completed Successfully!\n"
+echo -e "${CREATING}${GN}${APP} setup has been successfully initialized!${CL}"
+echo -e "${INFO}${YW} Access it using the following URL:${CL}"
+echo -e "${TAB}${GATEWAY}${BGN}http://${IP}/nagios${CL}"

install/graylog-install.sh

@@ -13,7 +13,7 @@ setting_up_container
 network_check
 update_os
 
-MONGO_VERSION="8.0" setup_mongodb
+MONGO_VERSION="8.2" setup_mongodb
 
 msg_info "Setup Graylog Data Node"
 PASSWORD_SECRET=$(openssl rand -base64 18 | tr -dc 'a-zA-Z0-9' | head -c16)
@@ -38,6 +38,8 @@ sed -i "s/password_secret =/password_secret = $PASSWORD_SECRET/g" /etc/graylog/s
 sed -i "s/root_password_sha2 =/root_password_sha2 = $ROOT_PASSWORD/g" /etc/graylog/server/server.conf
 sed -i 's/#http_bind_address = 127.0.0.1.*/http_bind_address = 0.0.0.0:9000/g' /etc/graylog/server/server.conf
 systemctl enable -q --now graylog-server
+sleep 5
+sed -i "s/0\.0\.0\.0:9000/$LOCAL_IP:9000/g" /var/log/graylog-server/server.log
 msg_ok "Setup ${APPLICATION}"
 
 motd_ssh

install/nagios-install.sh

@@ -0,0 +1,80 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: CanbiZ (MickLesk)
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://github.com/NagiosEnterprises/nagioscore
+
+source /dev/stdin <<<"$FUNCTIONS_FILE_PATH"
+color
+verb_ip6
+catch_errors
+setting_up_container
+network_check
+update_os
+
+msg_info "Installing Dependencies"
+$STD apt install -y \
+  autoconf \
+  automake \
+  build-essential \
+  bc \
+  dc \
+  gawk \
+  gperf \
+  gettext \
+  libc6 \
+  libgd-dev \
+  libmcrypt-dev \
+  libnet-snmp-perl \
+  libssl-dev \
+  php \
+  apache2 \
+  snmp \
+  unzip \
+  wget
+msg_ok "Installed Dependencies"
+
+fetch_and_deploy_gh_release "nagios" "NagiosEnterprises/nagioscore" "tarball"
+
+msg_info "Building Nagios Core"
+cd /opt/nagios
+$STD ./configure --with-httpd-conf=/etc/apache2/sites-enabled
+$STD make all
+$STD make install-groups-users
+usermod -a -G nagios www-data
+$STD make install
+$STD make install-daemoninit
+$STD make install-commandmode
+$STD make install-config
+$STD make install-webconf
+a2enmod rewrite >/dev/null 2>&1
+a2enmod cgi >/dev/null 2>&1
+msg_ok "Built Nagios Core"
+
+fetch_and_deploy_gh_release "nagios-plugins" "nagios-plugins/nagios-plugins" "tarball"
+
+msg_info "Building Nagios Plugins"
+cd /opt/nagios-plugins
+$STD ./tools/setup
+$STD ./configure
+$STD make
+$STD make install
+msg_ok "Built Nagios Plugins"
+
+msg_info "Configuring Web Authentication"
+htpasswd -bc /usr/local/nagios/etc/htpasswd.users nagiosadmin nagiosadmin
+chown root:www-data /usr/local/nagios/etc/htpasswd.users
+chmod 640 /usr/local/nagios/etc/htpasswd.users
+msg_ok "Configured Web Authentication"
+
+msg_info "Starting Services"
+systemctl enable -q --now apache2
+systemctl enable -q --now nagios
+systemctl restart apache2
+systemctl restart nagios
+msg_ok "Started Services"
+
+motd_ssh
+customize
+cleanup_lxc

misc/build.func

@@ -5678,6 +5678,10 @@ create_lxc_container() {
 
   if ! pvesm status -content rootdir 2>/dev/null | awk 'NR>1{print $1}' | grep -qx "$CONTAINER_STORAGE"; then
     msg_error "Storage '$CONTAINER_STORAGE' ($STORAGE_TYPE) does not support 'rootdir' content."
+    msg_custom "💡" "${YW}" "Enable 'Disk image' (rootdir) for storage '${CONTAINER_STORAGE}' in:"
+    msg_custom "   " "${YW}" "Datacenter → Storage → ${CONTAINER_STORAGE} → Edit → Content"
+    msg_custom "📖" "${YW}" "See: https://pve.proxmox.com/wiki/Storage"
+    msg_custom "🔗" "${YW}" "Help: https://github.com/community-scripts/ProxmoxVE/discussions"
     exit 213
   fi
   msg_ok "Storage '$CONTAINER_STORAGE' ($STORAGE_TYPE) validated"