80 lines
2.6 KiB
Bash
80 lines
2.6 KiB
Bash
#!/bin/bash
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set -e
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MOTD_PATH="/etc/update-motd.d/00-sysinfo"
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cat > "$MOTD_PATH" <<"EOF"
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#!/bin/bash
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RED="\033[0;31m"
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GREEN="\033[0;32m"
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YELLOW="\033[1;33m"
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BLUE="\033[1;34m"
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CYAN="\033[0;36m"
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RESET="\033[0m"
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MEM_STAT=$(free -m | awk '/^Mem:/{printf "%.1f/%.1f МБ", $3, $2}')
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LOAD_AVG=$(cat /proc/loadavg | awk '{print $1 " " $2 " " $3}')
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if command -v sensors &>/dev/null && sensors | grep -iP "Core|temp1" >/dev/null; then
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CPU_TEMP=$(sensors | grep -iP "Core|temp1" | head -n1 | awk '{print $NF}')
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elif [[ -r /sys/class/thermal/thermal_zone0/temp ]]; then
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TEMP_RAW=$(cat /sys/class/thermal/thermal_zone0/temp)
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CPU_TEMP=$(awk "BEGIN{printf \"%.1f°C\", $TEMP_RAW/1000}")
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else
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CPU_TEMP="N/A"
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fi
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DISK_STAT=$(df -h / | awk 'NR==2{printf "%s/%s (свободно/всего)", $4, $2}')
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AUTHLOG=""
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if [[ -f /var/log/auth.log ]]; then
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AUTHLOG="/var/log/auth.log"
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elif [[ -f /var/log/secure ]]; then
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AUTHLOG="/var/log/secure"
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fi
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FAILED_IPS=""
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if [[ -n $AUTHLOG ]]; then
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FAILED_IPS=$(sudo grep "Failed password" "$AUTHLOG" \
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| awk '/from/ {print $(NF-3)}' \
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| sort | uniq -c | sort -nr \
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| head -n 10 \
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| awk '{printf "%s: %s\n", $2, $1}')
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fi
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SUCCESS_IPS=""
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if [[ -n $AUTHLOG ]]; then
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SUCCESS_IPS=$(sudo grep "Accepted password" "$AUTHLOG" \
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| awk '/from/ {print $(NF-3)}' \
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| sort | uniq -c | sort -nr \
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| head -n 10 \
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| awk '{printf "%s: %s\n", $2, $1}')
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fi
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echo -e "${BLUE}============ Состояние сервера ============${RESET}"
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echo -e "${YELLOW}ОЗУ: ${GREEN}${MEM_STAT}${RESET}"
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echo -e "${YELLOW}Нагрузка: ${GREEN}${LOAD_AVG}${RESET} (1/5/15 мин)"
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echo -e "${YELLOW}Диск: ${GREEN}${DISK_STAT}${RESET}"
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echo -e "${YELLOW}CPU: ${GREEN}${CPU_TEMP}${RESET}"
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echo -e "${BLUE}--- Неудачные попытки входа (IP: попытки) ---${RESET}"
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if [[ -n "$FAILED_IPS" ]]; then
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echo -e "${RED}${FAILED_IPS}${RESET}"
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else
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echo "Нет неудачных попыток."
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fi
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echo -e "${BLUE}--- Успешные входы (IP: раз) ---${RESET}"
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if [[ -n "$SUCCESS_IPS" ]]; then
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echo -e "${GREEN}${SUCCESS_IPS}${RESET}"
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else
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echo "Нет успешных входов."
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fi
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echo -e "${BLUE}=============================================${RESET}"
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EOF
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chmod +x "$MOTD_PATH"
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echo "===> Скрипт MOTD установлен: $MOTD_PATH"
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echo "===> Тестовый вывод:"
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bash "$MOTD_PATH"
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echo "Если сообщение красиво выводится — всё готово!"
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echo "При входе по SSH каждый раз вы будете видеть свежий статус." |