Nexterm (#15688)

* Add nexterm (ct)

* Remove architecture check from nexterm.sh

Removed architecture check for dpkg.

* Change var_arm64 default to 'yes' and update fetch commands

* Fix license URL and update service creation messages

* typo

---------

Co-authored-by: push-app-to-main[bot] <203845782+push-app-to-main[bot]@users.noreply.github.com>
Co-authored-by: CanbiZ (MickLesk) <47820557+MickLesk@users.noreply.github.com>

install/nexterm-install.sh

@@ -0,0 +1,85 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: Mathias Wagner (gnmyt)
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://nexterm.dev/
+
+source /dev/stdin <<<"$FUNCTIONS_FILE_PATH"
+color
+verb_ip6
+catch_errors
+setting_up_container
+network_check
+update_os
+
+fetch_and_deploy_gh_release "nexterm-engine" "gnmyt/Nexterm" "prebuild" "latest" "/opt/nexterm/engine" "nexterm-engine-linux-$(arch_resolve "x64" "arm64").tar.gz"
+fetch_and_deploy_gh_release "nexterm-server" "gnmyt/Nexterm" "singlefile" "latest" "/opt/nexterm/server" "nexterm-server-linux-$(arch_resolve "x64" "arm64")"
+
+msg_info "Configuring Nexterm"
+LOCAL_ENGINE_TOKEN=$(tr -d '-' </proc/sys/kernel/random/uuid)$(tr -d '-' </proc/sys/kernel/random/uuid)
+ENCRYPTION_KEY=$(tr -d '-' </proc/sys/kernel/random/uuid)$(tr -d '-' </proc/sys/kernel/random/uuid)
+mkdir -p /etc/nexterm-engine /etc/nexterm-server /opt/nexterm/data
+cat <<EOF >/etc/nexterm-engine/config.yaml
+server_host: "127.0.0.1"
+server_port: 7800
+registration_token: "${LOCAL_ENGINE_TOKEN}"
+tls: false
+EOF
+cat <<EOF >/etc/nexterm-server/server.env
+NODE_ENV=production
+SERVER_PORT=6989
+LOCAL_ENGINE_TOKEN=${LOCAL_ENGINE_TOKEN}
+ENCRYPTION_KEY=${ENCRYPTION_KEY}
+EOF
+chmod 0640 /etc/nexterm-engine/config.yaml /etc/nexterm-server/server.env
+msg_ok "Configured Nexterm"
+
+msg_info "Creating Services"
+cat <<EOF >/etc/systemd/system/nexterm-server.service
+[Unit]
+Description=Nexterm Server
+Documentation=https://docs.nexterm.dev/
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=simple
+User=root
+WorkingDirectory=/opt/nexterm/data
+EnvironmentFile=/etc/nexterm-server/server.env
+ExecStart=/opt/nexterm/server/nexterm-server
+Restart=on-failure
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target
+EOF
+cat <<EOF >/etc/systemd/system/nexterm-engine.service
+[Unit]
+Description=Nexterm Engine
+Documentation=https://docs.nexterm.dev/
+After=network-online.target nexterm-server.service
+Wants=network-online.target
+
+[Service]
+Type=simple
+User=root
+WorkingDirectory=/etc/nexterm-engine
+Environment=FREERDP_EXTENSION_PATH=/opt/nexterm/engine/lib/freerdp2
+Environment=LD_LIBRARY_PATH=/opt/nexterm/engine/lib
+ExecStart=/opt/nexterm/engine/nexterm-engine
+Restart=on-failure
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target
+EOF
+systemctl enable -q --now nexterm-server
+sleep 5
+systemctl enable -q --now nexterm-engine
+msg_ok "Created Services"
+
+motd_ssh
+customize
+cleanup_lxc