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First iteration of open file descriptors checker

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the-sane 2020-08-23 09:27:46 -04:00 committed by GitHub
parent 07750d831d
commit 7effc04a68
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1 changed files with 24 additions and 5 deletions
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lug-helper.sh
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@ -1,4 +1,4 @@
#!/usr/bin/env bash #!/bin/bash
############################################################################ ############################################################################
# Star Citizen's Linux Users Group Helper Script # Star Citizen's Linux Users Group Helper Script
@ -76,7 +76,7 @@ message() {
# main menu radio list # main menu radio list
# call format: message 5 "TRUE" "List item 1" "FALSE" "List item 2" "FALSE" "List item 3" # call format: message 5 "TRUE" "List item 1" "FALSE" "List item 2" "FALSE" "List item 3"
# IMPORTANT: Adjust the height value below based on the number of items listed in the menu # IMPORTANT: Adjust the height value below based on the number of items listed in the menu
margs=("--list" "--radiolist" "--height=290" "--text=<b><big>Welcome, fellow Penguin, to the Star Citizen LUG Helper!</big>\n\nThis helper is designed to help optimize your system for Star Citizen</b>\n\nYou may choose from the following options:" "--hide-header" "--column=" "--column=Option") margs=("--list" "--radiolist" "--height=320" "--text=<b><big>Welcome, fellow Penguin, to the Star Citizen LUG Helper!</big>\n\nThis helper is designed to help optimize your system for Star Citizen</b>\n\nYou may choose from the following options:" "--hide-header" "--column=" "--column=Option")
;; ;;
*) *)
echo -e "Invalid message format.\n\nThe message function expects a numerical argument followed by string arguments.\n" echo -e "Invalid message format.\n\nThe message function expects a numerical argument followed by string arguments.\n"
@ -343,7 +343,7 @@ check_mapcount() {
set_mapcount() { set_mapcount() {
# If vm.max_map_count is already set, no need to do anything # If vm.max_map_count is already set, no need to do anything
if [ "$(cat /proc/sys/vm/max_map_count)" -ge 16777216 ]; then if [ "$(cat /proc/sys/vm/max_map_count)" -ge 16777216 ]; then
message 1 "vm.max_map_count is already set to the optimal value. You're all set!" message 1 "vm.max_map_count is already set to the optimal value.\nYou're all set!"
return 0 return 0
fi fi
@ -439,6 +439,16 @@ set_mapcount() {
fi fi
} }
# Check the hard open file descriptors limit
check_filelimit() {
filelimit="$(ulimit -Hn)"
if [ "$filelimit" -ge 524288 ]; then
message 1 "Your open files limit is already set to the optimal value.\nYou're all set!"
else
message 2 "We recommend setting the hard open\nfile descriptors limit to at least 524288.\nThe current value on your system appears to be $filelimit.\n\nTo increase this value, add the following line to\n/etc/security/limits.conf\n\n* hard nofile 524288"
fi
}
# Delete the shaders directory # Delete the shaders directory
rm_shaders() { rm_shaders() {
# Get/Set directory paths # Get/Set directory paths
@ -507,6 +517,7 @@ set_version() {
main_menu() { main_menu() {
# Set the menu options # Set the menu options
mapcount_msg="Check vm.max_map_count for optimal performance" mapcount_msg="Check vm.max_map_count for optimal performance"
filelimit_msg="Check my open file descriptors limit"
sanitize_msg="Delete my USER folder and preserve my keybinds" sanitize_msg="Delete my USER folder and preserve my keybinds"
shaders_msg="Delete my shaders only" shaders_msg="Delete my shaders only"
vidcache_msg="Delete my DXVK cache" vidcache_msg="Delete my DXVK cache"
@ -515,13 +526,16 @@ main_menu() {
# Use Zenity if it is available # Use Zenity if it is available
if [ "$has_zen" -eq 1 ]; then if [ "$has_zen" -eq 1 ]; then
options_main=("TRUE" "$mapcount_msg" "FALSE" "$sanitize_msg" "FALSE" "$shaders_msg" "FALSE" "$vidcache_msg" "FALSE" "$version_msg") options_main=("TRUE" "$mapcount_msg" "FALSE" "$filelimit_msg" "FALSE" "$sanitize_msg" "FALSE" "$shaders_msg" "FALSE" "$vidcache_msg" "FALSE" "$version_msg")
choice="$(message 5 "${options_main[@]}")" choice="$(message 5 "${options_main[@]}")"
case "$choice" in case "$choice" in
"$mapcount_msg") "$mapcount_msg")
set_mapcount set_mapcount
;; ;;
"$filelimit_msg")
check_filelimit
;;
"$sanitize_msg") "$sanitize_msg")
sanitize sanitize
;; ;;
@ -543,7 +557,7 @@ main_menu() {
clear clear
echo -e "\nWelcome, fellow Penguin, to the Star Citizen Linux Users Group Helper!\n\nThis helper is designed to help optimize your system for Star Citizen\nYou may choose from the following options:\n" echo -e "\nWelcome, fellow Penguin, to the Star Citizen Linux Users Group Helper!\n\nThis helper is designed to help optimize your system for Star Citizen\nYou may choose from the following options:\n"
options_main=("$mapcount_msg" "$sanitize_msg" "$shaders_msg" "$vidcache_msg" "$version_msg" "$quit_msg") options_main=("$mapcount_msg" "$filelimit_msg" "$sanitize_msg" "$shaders_msg" "$vidcache_msg" "$version_msg" "$quit_msg")
PS3="Enter selection number: " PS3="Enter selection number: "
select choice in "${options_main[@]}" select choice in "${options_main[@]}"
@ -554,6 +568,11 @@ main_menu() {
set_mapcount set_mapcount
break break
;; ;;
"$filelimit_msg")
echo -e "\n"
check_filelimit
break
;;
"$sanitize_msg") "$sanitize_msg")
echo -e "\n" echo -e "\n"
sanitize sanitize