Remove old update_apt_proxy_all.sh script and its documentation; replace with a new implementation featuring enhanced proxy configuration for Proxmox LXC containers and VMs.

scripts/misc/update_apt_proxy_all/README.md

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+# update_apt_proxy_all.sh
+
+This script automates the configuration of the apt-cacher-ng proxy for all Proxmox LXC containers, VMs (with QEMU Guest Agent), and optionally the Proxmox node itself.
+
+## Features
+
+- Interactive prompts for proxy IP, port, and target selection (LXC, VM, All, Node).
+- Updates `/etc/apt/apt.conf.d/01proxy` in selected targets.
+- Works with both LXC containers and VMs (requires QEMU Guest Agent for VMs).
+- Optionally updates the Proxmox node itself.
+
+## Usage
+
+You can run the script directly if it’s cloned locally:
+
+```bash
+bash scripts/misc/update_apt_proxy_all.sh
+```
+
+Or, run it directly from the raw link (no need to clone):
+
+```bash
+bash <(curl -s https://git.lewsion.com/endrence/proxmox-scripts/raw/branch/main/scripts/misc/update_apt_proxy_all.sh)
+```
+
+Follow the prompts to select targets and configure the proxy.
+
+## Requirements
+
+- Proxmox environment with `pct` and `qm` commands available.
+- QEMU Guest Agent installed in VMs for VM updates.
+
+## License
+
+MIT

scripts/misc/update_apt_proxy_all/update_apt_proxy_all.sh

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+#!/bin/bash
+
+# Colors
+GREEN="\033[1;32m"
+RED="\033[1;31m"
+YELLOW="\033[1;33m"
+NC="\033[0m"
+
+echo -e "${GREEN}Proxmox Apt-Cacher-NG Setup${NC}"
+
+# Prompt for target selection
+while true; do
+  echo -e "${YELLOW}Select what to update:${NC}"
+  echo "1) LXC Containers"
+  echo "2) VMs"
+  echo "3) All (LXC + VMs)"
+  read -rp "Enter choice [1-3]: " TARGET_CHOICE
+  case $TARGET_CHOICE in
+    1|2|3) break;;
+    *) echo -e "${RED}Invalid choice. Please enter 1, 2, or 3.${NC}";;
+  esac
+done
+
+# Prompt for updating Proxmox node itself
+while true; do
+  read -rp "Do you want to update the Proxmox node itself with the cache? (y/n): " UPDATE_NODE
+  case $UPDATE_NODE in
+    y|n) break;;
+    *) echo -e "${RED}Please enter y or n.${NC}";;
+  esac
+done
+
+# Ask for the apt-cacher-ng server IP and port
+read -rp "Enter your apt-cacher-ng IP address (default: 192.168.1.10): " CACHE_IP
+CACHE_IP="${CACHE_IP:-192.168.1.10}"
+
+read -rp "Enter apt-cacher-ng port (default: 3142): " CACHE_PORT
+CACHE_PORT="${CACHE_PORT:-3142}"
+
+APT_PROXY="Acquire::http::Proxy \"http://${CACHE_IP}:${CACHE_PORT}\";"
+
+echo -e "\n${YELLOW}Using APT Proxy: ${APT_PROXY}${NC}\n"
+
+# Confirm before proceeding
+read -rp "Proceed to update selected targets with this proxy? (y/n): " CONFIRM
+[[ "$CONFIRM" != "y" ]] && echo "Aborted." && exit 1
+
+### Update LXC containers ###
+if pct list &>/dev/null && { [ "$TARGET_CHOICE" = "1" ] || [ "$TARGET_CHOICE" = "3" ]; }; then
+  echo -e "\n${GREEN}Updating LXC Containers...${NC}"
+  for CTID in $(pct list | awk 'NR>1 {print $1}'); do
+    echo -e "\n${YELLOW}Updating LXC: $CTID${NC}"
+    pct exec "$CTID" -- bash -c "
+      mkdir -p /etc/apt/apt.conf.d
+      echo '${APT_PROXY}' > /etc/apt/apt.conf.d/01proxy
+    "
+    echo -e "${GREEN}LXC $CTID updated successfully.${NC}"
+  done
+fi
+
+### Update VMs via QEMU Guest Agent ###
+if qm list &>/dev/null && { [ "$TARGET_CHOICE" = "2" ] || [ "$TARGET_CHOICE" = "3" ]; }; then
+  echo -e "\n${GREEN}Updating VMs via QEMU Agent...${NC}"
+  for VMID in $(qm list | awk 'NR>1 {print $1}'); do
+    if qm guest cmd "$VMID" get-osinfo &>/dev/null; then
+      echo -e "\n${YELLOW}Updating VM: $VMID${NC}"
+      qm guest exec "$VMID" -- bash -c "
+        mkdir -p /etc/apt/apt.conf.d
+        echo '${APT_PROXY}' > /etc/apt/apt.conf.d/01proxy
+      " &>/dev/null
+      echo -e "${GREEN}VM $VMID updated successfully.${NC}"
+    else
+      echo -e "${RED}Skipping VM $VMID – QEMU Guest Agent not available.${NC}"
+    fi
+  done
+fi
+
+### Update Proxmox Node itself ###
+if [ "$UPDATE_NODE" = "y" ]; then
+  echo -e "\n${GREEN}Updating Proxmox Node itself...${NC}"
+  mkdir -p /etc/apt/apt.conf.d
+  echo "${APT_PROXY}" > /etc/apt/apt.conf.d/01proxy
+  echo -e "${GREEN}Proxmox Node updated successfully.${NC}"
+fi
+
+echo -e "\n${GREEN}All done. apt-cacher-ng configuration updated as selected.${NC}"