Обновить server/motd-info.sh

server/motd-info.sh

@@ -4,7 +4,8 @@ set -e
 
 MOTD_PATH="/etc/update-motd.d/00-sysinfo"
 
-SCRIPT_CONTENT='#!/bin/bash
+cat > "$MOTD_PATH" <<"EOF"
+#!/bin/bash
 
 RED="\033[0;31m"
 GREEN="\033[0;32m"
@@ -13,41 +14,43 @@ BLUE="\033[1;34m"
 CYAN="\033[0;36m"
 RESET="\033[0m"
 
-MEM_STAT=$(free -m | awk '\''/^Mem:/{printf "%.1f/%.1f МБ", $3, $2}'\'')
-LOAD_AVG=$(cat /proc/loadavg | awk '\''{print $1 " " $2 " " $3}'\'')
+MEM_STAT=$(free -m | awk '/^Mem:/{printf "%.1f/%.1f МБ", $3, $2}')
+LOAD_AVG=$(cat /proc/loadavg | awk '{print $1 " " $2 " " $3}')
 if command -v sensors &>/dev/null && sensors | grep -iP "Core|temp1" >/dev/null; then
-  CPU_TEMP=$(sensors | grep -iP "Core|temp1" | head -n1 | awk '\''{print $NF}'\'')
+  CPU_TEMP=$(sensors | grep -iP "Core|temp1" | head -n1 | awk '{print $NF}')
 elif [[ -r /sys/class/thermal/thermal_zone0/temp ]]; then
   TEMP_RAW=$(cat /sys/class/thermal/thermal_zone0/temp)
   CPU_TEMP=$(awk "BEGIN{printf \"%.1f°C\", $TEMP_RAW/1000}")
 else
   CPU_TEMP="N/A"
 fi
-DISK_STAT=$(df -h / | awk '\''NR==2{printf "%s/%s (свободно/всего)", $4, $2}'\'')
+DISK_STAT=$(df -h / | awk 'NR==2{printf "%s/%s (свободно/всего)", $4, $2}')
+
 AUTHLOG=""
 if [[ -f /var/log/auth.log ]]; then
   AUTHLOG="/var/log/auth.log"
 elif [[ -f /var/log/secure ]]; then
   AUTHLOG="/var/log/secure"
 fi
+
 FAILED_IPS=""
-FAILED_LIMIT=10
 if [[ -n $AUTHLOG ]]; then
   FAILED_IPS=$(sudo grep "Failed password" "$AUTHLOG" \
-    | awk "/from/ {print \$(NF-3)}" \
+    | awk '/from/ {print $(NF-3)}' \
     | sort | uniq -c | sort -nr \
-    | head -n \$FAILED_LIMIT \
-    | awk "{printf \"%s: %s\\\\n\", \$2, \$1}")
+    | head -n 10 \
+    | awk '{printf "%s: %s\n", $2, $1}')
 fi
+
 SUCCESS_IPS=""
-SUCCESS_LIMIT=10
 if [[ -n $AUTHLOG ]]; then
   SUCCESS_IPS=$(sudo grep "Accepted password" "$AUTHLOG" \
-    | awk "/from/ {print \$(NF-3)}" \
+    | awk '/from/ {print $(NF-3)}' \
     | sort | uniq -c | sort -nr \
-    | head -n \$SUCCESS_LIMIT \
-    | awk "{printf \"%s: %s\\\\n\", \$2, \$1}")
+    | head -n 10 \
+    | awk '{printf "%s: %s\n", $2, $1}')
 fi
+
 echo -e "${BLUE}============ Состояние сервера ============${RESET}"
 echo -e "${YELLOW}ОЗУ:      ${GREEN}${MEM_STAT}${RESET}"
 echo -e "${YELLOW}Нагрузка: ${GREEN}${LOAD_AVG}${RESET} (1/5/15 мин)"
@@ -66,27 +69,12 @@ else
   echo "Нет успешных входов."
 fi
 echo -e "${BLUE}=============================================${RESET}"
-'
+EOF
 
-echo
-echo "===> Установка motd-скрипта..."
-
-# Требует root, если не root - перезапусти сам себя через sudo
-if [[ "$EUID" -ne 0 ]]; then
-  echo "Требуются root-права. Запускаю через sudo..."
-  exec sudo bash "$0" "$@"
-fi
-
-# Создаём файл
-echo "$SCRIPT_CONTENT" > "$MOTD_PATH"
 chmod +x "$MOTD_PATH"
 
 echo "===> Скрипт MOTD установлен: $MOTD_PATH"
-
-echo
 echo "===> Тестовый вывод:"
 bash "$MOTD_PATH"
-echo
 echo "Если сообщение красиво выводится — всё готово!"
-echo
 echo "При входе по SSH каждый раз вы будете видеть свежий статус."