added pty_setup_centos.sh

pty_setup_centos.sh

+#!/bin/bash
+
+#######################################
+# CentOS 초기 설정 스크립트
+# 사용법: ./setup_centos.sh
+#######################################
+
+set -e  # 에러 발생 시 스크립트 중단
+
+# 색상 정의
+CYAN='\033[0;36m'
+BLUE='\033[1;94m'  # 밝은 파란색
+PURPLE='\033[0;35m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+RED='\033[0;31m'
+NC='\033[0m' # No Color
+
+# 로고 출력
+clear
+echo -e "${CYAN}"
+cat << "EOF"
+    ____  __    ___  __________  __  __    ____  __  _______  ______
+   / __ \/ /   /   |/_  __/\ \ / / / / /  / __ \/ / / / ___/ / ____/
+  / /_/ / /   / /| | / /    \ V / / /_/ / / / / / / /\__ \ / __/   
+ / ____/ /___/ ___ |/ /      | / / __  / / /_/ / /_/ /___/ / /___   
+/_/   /_____/_/  |_/_/       |_/_/ /_/  \____/\____//____/ /_____/   
+EOF
+echo -e "${NC}"
+echo -e "${PURPLE}═══════════════════════════════════════════════════════════${NC}"
+echo -e "${BLUE}          CentOS 초기 설정 자동화 스크립트 v1.0${NC}"
+echo -e "${PURPLE}═══════════════════════════════════════════════════════════${NC}"
+echo ""
+
+#######################################
+# 1. 호스트명 설정
+#######################################
+CURRENT_HOSTNAME=$(hostnamectl --static)
+echo -e "${CYAN}[1/5]${NC} 호스트명 설정, 현재 호스트명: ${YELLOW}${CURRENT_HOSTNAME}${NC}"
+echo -e "${YELLOW}호스트명을 변경하시겠습니까? (N/y):${NC} \c"
+read -n 1 -r REPLY_HOSTNAME
+echo
+if [[ $REPLY_HOSTNAME =~ ^[Yy]$ ]]; then
+    echo -e "${YELLOW}설정할 호스트명을 입력하세요:${NC} \c"
+    read HOSTNAME
+    if [ -n "$HOSTNAME" ]; then
+        hostnamectl set-hostname "$HOSTNAME"
+        echo -e "  ${GREEN}✓${NC} 호스트명이 설정되었습니다: ${YELLOW}$(hostnamectl --static)${NC}"
+    else
+        echo -e "  ${YELLOW}⊘${NC} 호스트명이 입력되지 않아 건너뜁니다."
+    fi
+else
+    echo -e "  ${YELLOW}⊘${NC} 건너뛰기"
+fi
+echo ""
+
+#######################################
+# 2. /etc/bashrc 설정
+#######################################
+echo -e "${CYAN}[2/5]${NC} /etc/bashrc 설정 추가"
+echo -e "${YELLOW}/etc/bashrc에 커스텀 설정을 추가하시겠습니까? (N/y):${NC} \c"
+read -n 1 -r REPLY_BASHRC
+echo
+if [[ $REPLY_BASHRC =~ ^[Yy]$ ]]; then
+    # 백업 생성
+    cp /etc/bashrc /etc/bashrc.backup.$(date +%Y%m%d_%H%M%S)
+
+    # bashrc에 추가할 내용
+    cat >> /etc/bashrc << 'EOF'
+
+#######################################
+# 커스텀 설정
+#######################################
+
+# 프롬프트 색상 설정
+export PS1='\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
+
+# 히스토리 설정
+export HISTSIZE=10000
+export HISTFILESIZE=20000
+export HISTTIMEFORMAT="%Y-%m-%d %H:%M:%S "
+
+# 기본 에디터 설정
+export EDITOR=vi
+
+# 유용한 alias
+alias ll='ls -alF'
+alias la='ls -A'
+alias l='ls -CF'
+alias grep='grep --color=auto'
+alias df='df -h'
+alias du='du -h'
+
+EOF
+
+    echo -e "  ${GREEN}✓${NC} /etc/bashrc 설정이 완료되었습니다."
+else
+    echo -e "  ${YELLOW}⊘${NC} 건너뛰기"
+fi
+echo ""
+
+#######################################
+# 3. YUM 캐시 정리
+#######################################
+echo -e "${CYAN}[3/5]${NC} YUM 캐시 정리"
+echo -e "${YELLOW}YUM 캐시를 정리하시겠습니까? (N/y):${NC} \c"
+read -n 1 -r REPLY_YUM_CLEAN
+echo
+if [[ $REPLY_YUM_CLEAN =~ ^[Yy]$ ]]; then
+    yum clean all > /dev/null 2>&1
+    rm -rf /var/cache/yum
+    echo -e "  ${GREEN}✓${NC} YUM 캐시가 정리되었습니다."
+else
+    echo -e "  ${YELLOW}⊘${NC} 건너뛰기"
+fi
+echo ""
+
+#######################################
+# 4. 시스템 업데이트
+#######################################
+echo -e "${CYAN}[4/5]${NC} 시스템 패키지 업데이트"
+echo -e "${YELLOW}시스템 업데이트를 진행하시겠습니까? (N/y):${NC} \c"
+read -n 1 -r REPLY_UPDATE
+echo
+if [[ $REPLY_UPDATE =~ ^[Yy]$ ]]; then
+    yum update -y
+    echo -e "  ${GREEN}✓${NC} 시스템 업데이트가 완료되었습니다."
+else
+    echo -e "  ${YELLOW}⊘${NC} 건너뛰기"
+fi
+echo ""
+
+#######################################
+# 5. 필수 패키지 설치
+#######################################
+echo -e "${CYAN}[5/5]${NC} 필수 패키지 설치"
+echo -e "${YELLOW}필수 패키지를 설치하시겠습니까? (vim, wget, curl, net-tools 등) (N/y):${NC} \c"
+read -n 1 -r REPLY_PACKAGES
+echo
+if [[ $REPLY_PACKAGES =~ ^[Yy]$ ]]; then
+    yum install -y \
+        vim \
+        wget \
+        curl \
+        net-tools \
+        bind-utils \
+        telnet \
+        tcpdump > /dev/null 2>&1
+
+    echo -e "  ${GREEN}✓${NC} 필수 패키지 설치가 완료되었습니다."
+else
+    echo -e "  ${YELLOW}⊘${NC} 건너뛰기"
+fi
+echo ""
+
+#######################################
+# 완료
+#######################################
+echo -e "${PURPLE}═══════════════════════════════════════════════════════════${NC}"
+echo -e "${GREEN}✓ CentOS 초기 설정이 완료되었습니다!${NC}"
+echo -e "${PURPLE}═══════════════════════════════════════════════════════════${NC}"
+echo ""
+echo -e "  ${CYAN}▶${NC} 현재 호스트명: ${YELLOW}$(hostnamectl --static)${NC}"
+echo ""
+echo -e "${YELLOW}[알림]${NC} 변경사항 적용을 위해 다음 중 하나를 실행하세요:"
+echo -e "  ${BLUE}1.${NC} 쉘 재시작"
+echo -e "  ${BLUE}2.${NC} source /etc/bashrc"
+echo ""
+echo -e "${PURPLE}═══════════════════════════════════════════════════════════${NC}"