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1 file changed, 63 insertions
manage_swappiness.sh(file creato)
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| 1 | + | #!/bin/bash | |
| 2 | + | ||
| 3 | + | # manage_swappiness.sh | |
| 4 | + | # 簡單又好用的 Linux swappiness 管理小工具 | |
| 5 | + | ||
| 6 | + | # 檢查是否有 root 權限 | |
| 7 | + | if [ "$EUID" -ne 0 ]; then | |
| 8 | + | echo "嘿，這個腳本需要 root 權限喔！試試用 sudo 來執行吧。" | |
| 9 | + | exit 1 | |
| 10 | + | fi | |
| 11 | + | ||
| 12 | + | # 顯示當前的 swappiness 值 | |
| 13 | + | function show_swappiness() { | |
| 14 | + | echo "現在系統的 swappiness 值是: $(cat /proc/sys/vm/swappiness)" | |
| 15 | + | } | |
| 16 | + | ||
| 17 | + | # 設置臨時 swappiness 值 | |
| 18 | + | function set_temp_swappiness() { | |
| 19 | + | read -p "請輸入臨時 swappiness 值 (0-100): " value | |
| 20 | + | if [[ "$value" =~ ^[0-9]+$ ]] && [ "$value" -ge 0 ] && [ "$value" -le 100 ]; then | |
| 21 | + | sysctl vm.swappiness=$value | |
| 22 | + | echo "好的，臨時 swappiness 值已經設置為 $value 了！(重啟後會還原喔)" | |
| 23 | + | else | |
| 24 | + | echo "額... 這個數字不對吧？請輸入 0 到 100 之間的數字。" | |
| 25 | + | fi | |
| 26 | + | } | |
| 27 | + | ||
| 28 | + | # 設置永久 swappiness 值 | |
| 29 | + | function set_permanent_swappiness() { | |
| 30 | + | read -p "請輸入永久 swappiness 值 (0-100): " value | |
| 31 | + | if [[ "$value" =~ ^[0-9]+$ ]] && [ "$value" -ge 0 ] && [ "$value" -le 100 ]; then | |
| 32 | + | sed -i '/^vm.swappiness/d' /etc/sysctl.conf | |
| 33 | + | echo "vm.swappiness=$value" >> /etc/sysctl.conf | |
| 34 | + | sysctl -p | |
| 35 | + | echo "OK！永久 swappiness 值已經設置為 $value，系統會保持這個設定。" | |
| 36 | + | else | |
| 37 | + | echo "嗯... 這個數字不太對吧？記得要輸入 0 到 100 之間的數字喔！" | |
| 38 | + | fi | |
| 39 | + | } | |
| 40 | + | ||
| 41 | + | # 顯示選單 | |
| 42 | + | function show_menu() { | |
| 43 | + | echo "" | |
| 44 | + | echo "===== swappiness 小幫手 =====" | |
| 45 | + | echo "1. 查看當前 swappiness 值" | |
| 46 | + | echo "2. 設置臨時 swappiness 值" | |
| 47 | + | echo "3. 設置永久 swappiness 值" | |
| 48 | + | echo "4. 離開腳本" | |
| 49 | + | echo "=============================" | |
| 50 | + | } | |
| 51 | + | ||
| 52 | + | # 主程序循環 | |
| 53 | + | while true; do | |
| 54 | + | show_menu | |
| 55 | + | read -p "請選擇操作 (1-4): " choice | |
| 56 | + | case $choice in | |
| 57 | + | 1) show_swappiness ;; | |
| 58 | + | 2) set_temp_swappiness ;; | |
| 59 | + | 3) set_permanent_swappiness ;; | |
| 60 | + | 4) echo "掰掰！希望這個小工具對你有幫助！"; exit 0 ;; | |
| 61 | + | *) echo "哎呀，請輸入 1 到 4 之間的數字喔！" ;; | |
| 62 | + | esac | |
| 63 | + | done | |
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