Merge pull request #459 from rcastley/nic-offloading-fix
NIC offloading fix
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40
frontend/public/json/nic-offloading-fix.json
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40
frontend/public/json/nic-offloading-fix.json
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{
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"name": "NIC Offloading Fix",
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"slug": "nic-offloading-fix",
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"categories": [
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1
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],
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"date_created": "2025-05-25",
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"type": "pve",
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"updateable": false,
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"privileged": false,
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"interface_port": null,
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"documentation": null,
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"config_path": "",
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"website": null,
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"logo": "https://cdn.jsdelivr.net/gh/selfhst/icons/webp/proxmox.webp",
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"description": "This script automates the process of disabling network interface card (NIC) offloading features specifically for Intel e1000e network interfaces on Linux systems.",
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"install_methods": [
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{
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"type": "default",
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"script": "tools/pve/nic-offloading-fix.sh",
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"resources": {
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"cpu": null,
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"ram": null,
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"hdd": null,
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"os": null,
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"version": null
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}
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}
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],
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"default_credentials": {
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"username": null,
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"password": null
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},
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"notes": [
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{
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"text": "Execute within the Proxmox shell",
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"type": "info"
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}
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]
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}
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tools/pve/nic-offloading-fix.sh
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tools/pve/nic-offloading-fix.sh
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#!/usr/bin/env bash
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# Creates a systemd service to disable NIC offloading features for Intel e1000e interfaces
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# Author: rcastley
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# License: MIT
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YW=$(echo "\033[33m")
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YWB=$'\e[93m'
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BL=$(echo "\033[36m")
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RD=$(echo "\033[01;31m")
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BGN=$(echo "\033[4;92m")
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GN=$(echo "\033[1;92m")
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DGN=$(echo "\033[32m")
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CL=$(echo "\033[m")
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TAB=" "
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CM="${TAB}✔️${TAB}"
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CROSS="${TAB}✖️${TAB}"
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INFO="${TAB}ℹ️${TAB}${CL}"
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WARN="${TAB}⚠️${TAB}${CL}"
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function header_info {
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clear
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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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EOF
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}
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header_info
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function msg_info() { echo -e "${INFO} ${YW}${1}...${CL}"; }
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function msg_ok() { echo -e "${CM} ${GN}${1}${CL}"; }
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function msg_error() { echo -e "${CROSS} ${RD}${1}${CL}"; }
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function msg_warn() { echo -e "${WARN} ${YWB}${1}"; }
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# Check for root privileges
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if [ "$(id -u)" -ne 0 ]; then
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msg_error "Error: This script must be run as root."
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exit 1
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fi
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if ! command -v ethtool >/dev/null 2>&1; then
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msg_info "Installing ethtool"
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apt-get update &>/dev/null
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apt-get install -y ethtool &>/dev/null || { msg_error "Failed to install ethtool. Exiting."; exit 1; }
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msg_ok "ethtool installed successfully"
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fi
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# Get list of network interfaces using Intel e1000e driver
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INTERFACES=()
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COUNT=0
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msg_info "Searching for Intel e1000e interfaces"
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for device in /sys/class/net/*; do
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interface="$(basename "$device")" # or adjust the rest of the usages below, as mostly you'll use the path anyway
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# Skip loopback interface and virtual interfaces
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if [[ "$interface" != "lo" ]] && [[ ! "$interface" =~ ^(tap|fwbr|veth|vmbr|bonding_masters) ]]; then
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# Check if the interface uses the e1000e driver
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driver=$(basename $(readlink -f /sys/class/net/$interface/device/driver 2>/dev/null) 2>/dev/null)
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if [[ "$driver" == "e1000e" ]]; then
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# Get MAC address for additional identification
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mac=$(cat /sys/class/net/$interface/address 2>/dev/null)
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INTERFACES+=("$interface" "Intel e1000e NIC ($mac)")
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((COUNT++))
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fi
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fi
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done
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# Check if any Intel e1000e interfaces were found
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if [ ${#INTERFACES[@]} -eq 0 ]; then
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whiptail --title "Error" --msgbox "No Intel e1000e network interfaces found!" 10 60
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msg_error "No Intel e1000e network interfaces found! Exiting."
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exit 1
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fi
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msg_ok "Found ${BL}$COUNT${GN} Intel e1000e interfaces"
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# Create a checklist for interface selection with all interfaces initially checked
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INTERFACES_CHECKLIST=()
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for ((i=0; i<${#INTERFACES[@]}; i+=2)); do
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INTERFACES_CHECKLIST+=("${INTERFACES[i]}" "${INTERFACES[i+1]}" "ON")
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done
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# Show interface selection checklist
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SELECTED_INTERFACES=$(whiptail --backtitle "Intel e1000e NIC Offloading Disabler" --title "Network Interfaces" \
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--separate-output --checklist "Select Intel e1000e network interfaces\n(Space to toggle, Enter to confirm):" 15 80 6 \
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"${INTERFACES_CHECKLIST[@]}" 3>&1 1>&2 2>&3)
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exitstatus=$?
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if [ $exitstatus != 0 ]; then
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msg_info "User canceled. Exiting."
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exit 0
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fi
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# Check if any interfaces were selected
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if [ -z "$SELECTED_INTERFACES" ]; then
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msg_error "No interfaces selected. Exiting."
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exit 0
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fi
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# Convert the selected interfaces into an array
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readarray -t INTERFACE_ARRAY <<< "$SELECTED_INTERFACES"
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# Show the number of selected interfaces
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INTERFACE_COUNT=${#INTERFACE_ARRAY[@]}
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# Print selected interfaces
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for iface in "${INTERFACE_ARRAY[@]}"; do
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msg_ok "Selected interface: ${BL}$iface${CL}"
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done
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# Ask for confirmation with the list of selected interfaces
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CONFIRMATION_MSG="You have selected the following interface(s):\n\n"
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for iface in "${INTERFACE_ARRAY[@]}"; do
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SPEED=$(cat /sys/class/net/$iface/speed 2>/dev/null)
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MAC=$(cat /sys/class/net/$iface/address 2>/dev/null)
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CONFIRMATION_MSG+="- $iface (MAC: $MAC, Speed: ${SPEED}Mbps)\n"
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done
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CONFIRMATION_MSG+="\nThis will create systemd service(s) to disable offloading features.\n\nProceed?"
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if ! whiptail --backtitle "Intel e1000e NIC Offloading Disabler" --title "Confirmation" \
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--yesno "$CONFIRMATION_MSG" 20 80; then
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msg_info "User canceled. Exiting."
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exit 0
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fi
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# Loop through all selected interfaces and create services for each
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for SELECTED_INTERFACE in "${INTERFACE_ARRAY[@]}"; do
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# Create service name for this interface
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SERVICE_NAME="disable-nic-offload-$SELECTED_INTERFACE.service"
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SERVICE_PATH="/etc/systemd/system/$SERVICE_NAME"
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# Create the service file with e1000e specific optimizations
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msg_info "Creating systemd service for interface: ${BL}$SELECTED_INTERFACE${YW}"
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# Start with the common part of the service file
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cat > "$SERVICE_PATH" << EOF
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[Unit]
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Description=Disable NIC offloading for Intel e1000e interface $SELECTED_INTERFACE
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After=network.target
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[Service]
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Type=oneshot
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# Disable all offloading features for Intel e1000e
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ExecStart=/sbin/ethtool -K $SELECTED_INTERFACE gso off gro off tso off tx off rx off rxvlan off txvlan off sg off
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RemainAfterExit=true
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[Install]
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WantedBy=multi-user.target
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EOF
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# Check if service file was created successfully
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if [ ! -f "$SERVICE_PATH" ]; then
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whiptail --title "Error" --msgbox "Failed to create service file for $SELECTED_INTERFACE!" 10 50
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msg_error "Failed to create service file for $SELECTED_INTERFACE! Skipping to next interface."
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continue
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fi
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# Configure this service
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{
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echo "25"; sleep 0.2
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# Reload systemd to recognize the new service
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systemctl daemon-reload
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echo "50"; sleep 0.2
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# Start the service
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systemctl start "$SERVICE_NAME"
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echo "75"; sleep 0.2
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# Enable the service to start on boot
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systemctl enable "$SERVICE_NAME"
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echo "100"; sleep 0.2
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} | whiptail --backtitle "Intel e1000e NIC Offloading Disabler" --gauge "Configuring service for $SELECTED_INTERFACE..." 10 80 0
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# Individual service status
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if systemctl is-active --quiet "$SERVICE_NAME"; then
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SERVICE_STATUS="Active"
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else
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SERVICE_STATUS="Inactive"
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fi
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if systemctl is-enabled --quiet "$SERVICE_NAME"; then
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BOOT_STATUS="Enabled"
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else
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BOOT_STATUS="Disabled"
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fi
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# Show individual service results
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msg_ok "Service for ${BL}$SELECTED_INTERFACE${GN} created and enabled!"
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msg_info "${TAB}Service: ${BL}$SERVICE_NAME${YW}"
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msg_info "${TAB}Status: ${BL}$SERVICE_STATUS${YW}"
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msg_info "${TAB}Start on boot: ${BL}$BOOT_STATUS${YW}"
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done
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# Prepare summary of all interfaces
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SUMMARY_MSG="Services created successfully!\n\n"
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SUMMARY_MSG+="Configured Interfaces:\n"
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for iface in "${INTERFACE_ARRAY[@]}"; do
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SERVICE_NAME="disable-nic-offload-$iface.service"
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if systemctl is-active --quiet "$SERVICE_NAME"; then
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SVC_STATUS="Active"
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else
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SVC_STATUS="Inactive"
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fi
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if systemctl is-enabled --quiet "$SERVICE_NAME"; then
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BOOT_SVC_STATUS="Enabled"
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else
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BOOT_SVC_STATUS="Disabled"
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fi
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SUMMARY_MSG+="- $iface: $SVC_STATUS, Boot: $BOOT_SVC_STATUS\n"
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done
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# Show summary results
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whiptail --backtitle "Intel e1000e NIC Offloading Disabler" --title "Success" --msgbox "$SUMMARY_MSG" 20 80
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msg_ok "Intel e1000e optimization complete for ${#INTERFACE_ARRAY[@]} interface(s)!"
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exit 0
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