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Update with improvements from lug-helper.sh
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the-sane
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@ -1,31 +1,141 @@
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#!/usr/bin/env sh
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# If Zenity is not available, print a message and exit
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if ! command -v zenity &> /dev/null; then
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echo "WARNING: Zenity not found. Please see the installer's instructions on how to set vm.max_map_count manually, your you WILL experience crashes!"
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exit 0
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############################################################################
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# Star Citizen vm.max_map_count checker
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############################################################################
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#
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# This script checks to see if vm.max_map_count is set
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# to the optimal value to prevent game crashes.
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#
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# If the setting is not set on the system, the script
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# allows the user to set it temporarily or permanently.
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#
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#
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# Supports zenity dialogs with a fallback to plain old text
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#
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############################################################################
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############################################################################
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# Display a message to the user. Expects a numerical argument to indicate the message type,
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# followed by a string of arguments that will be passed to zenity or echoed to the user.
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#
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# To call this function, use the following format: message [number] [string]
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# See the message types below for specific instructions on formatting the string.
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message() {
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if [ "$has_zen" -eq 1 ]; then
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case "$1" in
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1)
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# info message
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# call format: message 1 "text to display"
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margs=("--info" "--no-wrap" "--text=")
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;;
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2)
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# warning message
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# call format: message 2 "text to display"
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margs=("--warning" "--text=")
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;;
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3)
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# question
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# call format: message 3 "question to ask?"
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margs=("--question" "--text=")
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;;
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4)
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# radio button list
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# call format: message 4 "TRUE" "List item 1" "FALSE" "List item 2" "FALSE" "List item 3"
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# IMPORTANT: Adjust the height value below based on the number of items listed in the menu
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margs=("--list" "--radiolist" "--height=165" "--text=Choose from the following options:" "--hide-header" "--column=" "--column=Option")
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;;
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*)
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echo -e "Invalid message format.\n\nThe message function expects a numerical argument followed by string arguments.\n"
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read -n 1 -s -p "Press any key..."
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;;
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esac
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# Display the message
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if [ "$1" -eq 4 ]; then
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# requires a space between the assembled arguments
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shift 1 # drop the first numerical argument and shift the remaining up one
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zenity "${margs[@]}" "$@" --width="400" --title="Star Citizen Memory Requirements Check"
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else
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# no space between the assmebled arguments
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shift 1 # drop the first numerical argument and shift the remaining up one
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zenity "${margs[@]}""$@" --width="400" --title="Star Citizen Memory Requirements Check"
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fi
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else
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# Text based menu. Does not work with message type 4 (zenity radio lists)
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# those need to be handled specially in the code
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case "$1" in
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1)
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# info message
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# call format: message 1 "text to display"
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clear
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echo -e "\n$2\n"
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read -n 1 -s -p "Press any key..."
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;;
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2)
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# warning message
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# call format: message 2 "text to display"
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clear
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echo -e "\n$2\n"
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read -n 1 -s -p "Press any key..."
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return 0
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;;
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3)
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# question
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# call format: message 3 "question to ask?"
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clear
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echo -e "$2"
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while read -p "[y/n]: " yn; do
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case "$yn" in
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[Yy]*)
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return 0
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;;
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[Nn]*)
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return 1
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;;
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*)
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echo "Please type 'y' or 'n'"
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;;
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esac
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done
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;;
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*)
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echo -e "\nInvalid message type.\n\nText menus are not compatible with message types 4 and 5 (zenity radio lists)\nand require special handling.\n"
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read -n 1 -s -p "Press any key..."
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;;
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esac
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fi
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}
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# Check if setting vm.max_map_count was successful
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check_map_count() {
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if [ "$(cat /proc/sys/vm/max_map_count)" -lt 16777216 ]; then
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message 2 "As far as this script can detect, vm.max_map_count\nwas not successfully configured on your system.\n\nYou will most likely experience crashes."
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fi
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}
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##################################################################################
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# Check vm.max_map_count for the correct setting and let the user fix it if needed
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##################################################################################
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# Check if Zenity is available
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has_zen=0
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if [ -x "$(command -v zenity)" ]; then
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has_zen=1
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fi
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# If vm.max_map_count is already set, no need to do anything
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if [ "$(cat /proc/sys/vm/max_map_count)" -ge 16777216 ]; then
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message 1 "vm.max_map_count is already set to the optimal value. You're all set!"
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exit 0
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fi
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dialog() {
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zenity "$@" --icon-name='lutris' --width="400" --title="Star Citizen memory requirements check"
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}
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trap check_map_count EXIT
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final_check() {
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if [ "$(cat /proc/sys/vm/max_map_count)" -lt 16777216 ]; then
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dialog --warning --text="As far as this script can detect, your system is not configured to allow Star Citizen to use more than ~8GB or memory. You will most likely experience crashes."
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fi
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}
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trap final_check EXIT
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if grep -E -x -q "vm.max_map_count" /etc/sysctl.conf /etc/sysctl.d/*; then
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if dialog --question --text="It looks like you already configured your system to work with Star Citizen, and saved the setting to persist across reboots. However, for some reason the persistence part did not work.\n\nFor now, would you like to enable the setting again until the next reboot?"
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then
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if grep -E -x -q "vm.max_map_count" /etc/sysctl.conf /etc/sysctl.d/* 2>/dev/null; then
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if message 3 "It looks like you've already configured your system to work with Star Citizen\nand saved the setting to persist across reboots.\nHowever, for some reason the persistence part did not work.\n\nFor now, would you like to enable the setting again until the next reboot?"; then
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pkexec sh -c 'sysctl -w vm.max_map_count=16777216'
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fi
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exit 0
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@ -34,12 +144,17 @@ fi
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once="Change setting until next reboot"
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persist="Change setting and persist after reboot"
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manual="Show me the commands; I'll handle it myself"
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quit="Quit"
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if dialog --question --text="Running Star Citizen requires changing a system setting. Otherwise, the game will crash after on areas with lots of geometry. As far as this script can detect, the setting has not been changed yet.\nNote: The setting is called vm.max_map_count and sould be set to 16777216 (minimum).\n\nWould you like to change the setting now?"; then
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# I tried to embed the command in the dialog and run the output, but
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# parsing variables with embedded quotes is an excercise in frustration.
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RESULT=$(dialog --list --radiolist --height="200" --column=" " --column="Command" "TRUE" "$once" \ "FALSE" "$persist" \ "FALSE" "$manual")
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case "$RESULT" in
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newsysctl_msg="To change the setting (a kernel parameter) until next boot, run:\n\nsudo sh -c 'sysctl -w vm.max_map_count=16777216'\n\n\nTo persist the setting between reboots, run:\n\nsudo sh -c 'echo \"vm.max_map_count = 16777216\" >> /etc/sysctl.d/20-max_map_count.conf && sysctl -p'"
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oldsysctl_msg="To change the setting (a kernel parameter) until next boot, run:\n\nsudo sh -c 'sysctl -w vm.max_map_count=16777216'\n\n\nTo persist the setting between reboots, run:\n\nsudo sh -c 'echo \"vm.max_map_count = 16777216\" >> /etc/sysctl.conf && sysctl -p'"
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if message 3 "Running Star Citizen requires changing a system setting\nto give the game access to more than 8GB of memory.\n\nvm.max_map_count must be increased to at least 16777216\nto avoid crashes in areas with lots of geometry.\n\n\nAs far as this script can detect, the setting\nhas not been changed on your system.\n\nWould you like to change the setting now?"; then
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if [ "$has_zen" -eq 1 ]; then
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# zenity menu
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options=("TRUE" "$once" "FALSE" "$persist" "FALSE" "$manual")
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choice="$(message 4 "${options[@]}")"
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case "$choice" in
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"$once")
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pkexec sh -c 'sysctl -w vm.max_map_count=16777216'
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;;
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@ -52,15 +167,58 @@ if dialog --question --text="Running Star Citizen requires changing a system set
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;;
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"$manual")
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if [ -d "/etc/sysctl.d" ]; then
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dialog --info --no-wrap --text="To change the setting (a kernel parameter) until next boot, run:\n\nsudo sh -c 'sysctl -w vm.max_map_count=16777216'\n\nTo persist the setting between reboots, run:\n\nsudo sh -c 'echo \"vm.max_map_count = 16777216\" >> /etc/sysctl.d/20-max_map_count.conf && sysctl -p'"
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message 1 "$newsysctl_msg"
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else
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dialog --info --no-wrap --text="To change the setting (a kernel parameter) until next boot, run:\n\nsudo sh -c 'sysctl -w vm.max_map_count=16777216'\n\nTo persist the setting between reboots, run:\n\nsudo sh -c 'echo \"vm.max_map_count = 16777216\" >> /etc/sysctl.conf && sysctl -p'"
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message 1 "$oldsysctl_msg"
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fi
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# Anyone who wants to do it manually doesn't need another warning
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trap - EXIT
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;;
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*)
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echo "Dialog canceled or unknown option selected: $RESULT"
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;;
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esac
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else
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# text menu
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clear
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echo -e "\nThis script can change vm.max_map_count for you.\nChoose from the following options:\n"
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options=("$once" "$persist" "$manual" "$quit")
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PS3="Enter selection number or 'q' to quit: "
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select choice in "${options[@]}"
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do
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case "$choice" in
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"$once")
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pkexec sh -c 'sysctl -w vm.max_map_count=16777216'
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break
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;;
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"$persist")
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if [ -d "/etc/sysctl.d" ]; then
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pkexec sh -c 'echo "vm.max_map_count = 16777216" >> /etc/sysctl.d/20-max_map_count.conf && sysctl -p'
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else
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pkexec sh -c 'echo "vm.max_map_count = 16777216" >> /etc/sysctl.conf && sysctl -p'
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fi
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break
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;;
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"$manual")
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clear
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if [ -d "/etc/sysctl.d" ]; then
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message 1 "$newsysctl_msg"
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else
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message 1 "$oldsysctl_msg"
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fi
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# Anyone who wants to do it manually doesn't need another warning
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trap - EXIT
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break
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;;
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"$quit")
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break
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;;
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*)
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echo -e "\nInvalid selection"
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continue
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;;
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esac
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done
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fi
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fi
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