CentOS一键安装LNMP的脚本分享

#!/bin/bash # Author: Zhangbin # Website: http://qicheng0211.blog.51cto.com/ # Description: CentOS6/7一键安装lnmp（基于yum） PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin export PATH err_echo() { echo -e "\e[31m[ Error ]\033[0m $@" exit 1 } info_echo() { echo -e "\e[32m[ Info ]\033[0m $@" sleep 1 } # 检查是否root用户 if [ $EUID -ne 0 ]; then err_echo "please run this script as root user." fi # 检查操作系统版本 if egrep "CentOS release 6" /etc/redhat-release > /dev/null 2>&1; then OS=CentOS6 elif egrep "CentOS Linux release 7" /etc/redhat-release > /dev/null 2>&1; then OS=CentOS7 else err_echo "This script is used for CentOS 6.x or 7.x only." fi # 检查网络 ping -c 1 mirrors.163.com &>/dev/null [ $? != 0 ] && err_echo "Network does not work." which wget &>/dev/null || yum install wget -y # CentOS6安装yum的axel插件，使yum支持多线程下载： if [ "$OS" == "CentOS6" ];then wget https://mirrors.tuna.tsinghua.edu.cn/repoforge/redhat/el6/en/x86_64/rpmforge/RPMS/axel-2.4-1.el6.rf.x86_64.rpm rpm -ivh axel-2.4-1.el6.rf.x86_64.rpm axelget_conf_start=$(grep -n 'axelget.conf start_line' "$0" | grep -v grep | awk -F: '{print $1}') axelget_conf_end=$(grep -n 'axelget.conf end_line' "$0" | grep -v grep | awk -F: '{print $1}') ((axelget_conf_start++)) ((axelget_conf_end--)) sed -n "${axelget_conf_start},${axelget_conf_end}p" "$0" > /etc/yum/pluginconf.d/axelget.conf axelget_py_start=$(grep -n 'axelget.py start_line' "$0" | grep -v grep | awk -F: '{print $1}') axelget_py_end=$(grep -n 'axelget.py end_line' "$0" | grep -v grep | awk -F: '{print $1}') ((axelget_py_start++)) ((axelget_py_end--)) sed -n "${axelget_py_start},${axelget_py_end}p" "$0" > /usr/lib/yum-plugins/axelget.py fi # 安装163 yum源： if [ "$OS" == "CentOS6" ];then wget http://mirrors.163.com/.help/CentOS6-Base-163.repo -O CentOS-Base.repo else wget http://mirrors.163.com/.help/CentOS7-Base-163.repo -O CentOS-Base.repo fi cp -p /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.bak mv -f CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo yum clean all yum makecache # 安装epel yum源： yum -y install epel-release sed -i 's/^mirrorlist=https/mirrorlist=http/' /etc/yum.repos.d/epel.repo # CentOS7安装yum的axel插件，依赖epel源 if [ "$OS" == "CentOS7" ];then yum -y install yum-axelget sed -i '/^maxconn=/c\maxconn=10' /etc/yum/pluginconf.d/axelget.conf fi # nginx的yum源： cat > /etc/yum.repos.d/nginx.repo << 'EOF' [nginx] name=nginx repo baseurl=http://nginx.org/packages/centos/$releasever/$basearch/ enabled=1 gpgcheck=0 EOF # 关闭selinux： setenforce 0 sed -i '/^SELINUX=/c\SELINUX=disabled' /etc/selinux/config # 安装nginx、php： yum -y install nginx php-fpm php-soap php-bcmath php-xml php-opcache php-gd php-mcrypt php-pdo php-mysql php-mbstring php-xmlrpc # 修改/etc/nginx/nginx.conf cp /etc/nginx/nginx.conf /etc/nginx/nginx.conf.bak cat > /etc/nginx/nginx.conf << 'EOF' user nginx; worker_processes auto; error_log /data/logs/nginx_error.log crit; worker_rlimit_nofile 65535; events { use epoll; worker_connections 65535; } http { include mime.types; default_type application/octet-stream; server_names_hash_bucket_size 128; client_header_buffer_size 32k; large_client_header_buffers 4 32k; client_max_body_size 8m; sendfile on; tcp_nopush on; keepalive_timeout 15; tcp_nodelay on; proxy_buffer_size 16k; proxy_buffering on; proxy_buffers 4 64k; proxy_busy_buffers_size 128k; fastcgi_connect_timeout 300; fastcgi_send_timeout 300; fastcgi_read_timeout 300; fastcgi_buffer_size 64k; fastcgi_buffers 4 64k; fastcgi_busy_buffers_size 128k; fastcgi_temp_file_write_size 128k; gzip on; gzip_min_length 1k; gzip_buffers 4 16k; gzip_http_version 1.0; gzip_comp_level 2; gzip_types text/plain application/x-javascript text/css application/xml; gzip_vary on; gzip_disable msie6; log_format access '$remote_addr - $remote_user [$time_local] "$request" ' '$status $body_bytes_sent "$http_referer" ' '"$http_user_agent" $http_x_forwarded_for '; access_log /data/logs/access.log access; include conf.d/*.conf; server_tokens off; reset_timedout_connection on; } EOF mkdir -p /data/logs chown -R nginx. /data/logs # 修改php-fpm运行用户为nginx sed -i 's/^user = apache/user = nginx/' /etc/php-fpm.d/www.conf sed -i 's/^group = apache/group = nginx/' /etc/php-fpm.d/www.conf chown -R nginx /var/log/php-fpm/ mkdir /var/lib/php/session chown -R nginx /var/lib/php/ # 启动php-fpm： service php-fpm start [ $? -eq 0 ] && info_echo "php-fpm start OK." # 启动nginx： nginx -t && service nginx start [ $? -eq 0 ] && info_echo "nginx start OK." # 设置nginx、php-fpm开机启动： if [ "$OS" == "CentOS6" ];then chkconfig php-fpm on chkconfig nginx on else systemctl enable php-fpm systemctl enable nginx fi # 安装Mysql的yum源： if [ "$OS" == "CentOS6" ];then rpm -Uvh http://dev.mysql.com/get/mysql-community-release-el6-5.noarch.rpm else rpm -Uvh http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm fi # 安装mysql： yum -y install mysql mysql-server mysql-devel # 修改/etc/my.cnf cat > /etc/my.cnf << 'EOF' # Example MySQL config file. mysql5.6 RAM 1G zhangbin [client] port = 3306 socket = /var/lib/mysql/mysql.sock [mysqld] user = mysql port = 3306 datadir = /var/lib/mysql/ socket = /var/lib/mysql/mysql.sock sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES,NO_AUTO_CREATE_USER bind-address = 0.0.0.0 server-id = 1 skip-name-resolve skip-external-locking back_log = 600 max_connections = 512 max_connect_errors = 6000 open_files_limit = 65535 table_open_cache = 512 max_allowed_packet = 4M max_heap_table_size = 8M tmp_table_size = 16M read_buffer_size = 2M read_rnd_buffer_size = 8M sort_buffer_size = 8M join_buffer_size = 8M thread_cache_size = 8 query_cache_size = 2M query_cache_limit = 2M key_buffer_size = 64M interactive_timeout = 28800 wait_timeout = 28800 # myisam bulk_insert_buffer_size = 8M myisam_sort_buffer_size = 8M myisam_max_sort_file_size = 10G myisam_repair_threads = 1 # bin log log_bin = /var/lib/mysql/mysql-bin.log binlog_cache_size = 2M binlog_format = MIXED expire_logs_days = 7 # slow log slow_query_log = 1 slow_query_log_file = /var/lib/mysql/mysql-slow.log long_query_time = 3 log_queries_not_using_indexes = 1 # innodb default-storage-engine = InnoDB innodb_data_home_dir = /var/lib/mysql/ innodb_data_file_path = ibdata1:10M:autoextend innodb_log_group_home_dir = /var/lib/mysql/ innodb_buffer_pool_size = 512M innodb_log_file_size = 128M innodb_log_files_in_group=3 innodb_log_buffer_size = 8M innodb_flush_log_at_trx_commit = 2 innodb_lock_wait_timeout = 120 innodb_file_per_table = 1 innodb_open_files = 500 innodb_read_io_threads = 4 innodb_write_io_threads = 4 innodb_thread_concurrency=0 innodb_purge_threads = 1 innodb_max_dirty_pages_pct = 90 [mysqldump] quick max_allowed_packet = 16M [mysql] no-auto-rehash [myisamchk] key_buffer = 20M sort_buffer_size = 20M read_buffer = 2M write_buffer = 2M [mysqlhotcopy] interactive-timeout EOF # 启动mysql： service mysqld start [ $? -eq 0 ] && info_echo "mysqld start OK." # 安全设置： #mysql_secure_installation # 设置mysqld开机启动： if [ "$OS" == "CentOS6" ];then chkconfig mysqld on else systemctl enable mysqld fi exit 0 # axelget.conf start_line [main] enabled=1 onlyhttp=1 enablesize=54000 cleanOnException=1 # axelget.conf end_line # axelget.py start_line from yum.plugins import PluginYumExit, TYPE_CORE, TYPE_INTERACTIVE from urlparse import urljoin import os,time requires_api_version = '2.3' plugin_type = (TYPE_CORE, TYPE_INTERACTIVE) enablesize=300000 trymirrornum=-1 maxconn=10 httpdownloadonly=False cleanOnException=0 def init_hook(conduit): global enablesize,trymirrornum,maxconn,cleanOnException,httpdownloadonly enablesize = conduit.confInt('main','enablesize',default=30000) trymirrornum = conduit.confInt('main','trymirrornum',default=-1) maxconn = conduit.confInt('main','maxconn',default=10) httpdownloadonly=conduit.confBool('main','onlyhttp',default=False) cleanOnException=conduit.confInt('main','cleanOnException',default=0) return def predownload_hook(conduit): global enablesize,cleanOnException,httpdownloadonly preffermirror="" PkgIdx=0 TotalPkg=len(conduit.getDownloadPackages()) for po in (conduit.getDownloadPackages()): PkgIdx+=1 if hasattr(po, 'pkgtype') and po.pkgtype == 'local': continue totsize = long(po.size) ret = False if totsize <= enablesize: conduit.info(2, "Package %s download size %d less than %d,Skip plugin!" % (po.repo.id,totsize,enablesize)) continue else: conduit.info(2, "[%d/%d]Ok,we will try to use axel to download this big file:%d" % (PkgIdx,TotalPkg,totsize)) local = po.localPkg() if os.path.exists(local): if not os.path.exists(local+".st"): fstate=os.stat(local) if totsize == fstate.st_size: conduit.info(2,"Target already exists,skip to next file!") continue localall = "%s %s" % (local,local+".st") rmcmd = "rm -f %s" % (localall) curmirroridx = 0 conduit.info(2,"Before we start,clean all the key files") os.system(rmcmd) connnum = totsize / enablesize if connnum*enablesize<totsize: connnum+=1 if connnum > maxconn: connnum = maxconn mirrors=[] mirrors[:0]=po.repo.urls if preffermirror != "": mirrors[:0] = [preffermirror] for url in mirrors: if url.startswith("ftp://") and httpdownloadonly: print "Skip Ftp Site:",url continue if url.startswith("file://"): print "Skip Local Site:",url continue curmirroridx += 1 if (curmirroridx > trymirrornum) and (trymirrornum != -1): conduit.info(2, "Package %s has tried %d mirrors,Skip plugin!" % (po.repo.id,trymirrornum)) break remoteurl = "%s/%s" % (url,po.remote_path) syscmd = "axel -a -n %s %s -o %s" % (connnum,remoteurl,local) conduit.info(2, "Execute axel cmd:\n%s" % syscmd) os.system(syscmd) time.sleep(2) if os.path.exists(local+".st"): conduit.info(2,"axel exit by exception,let's try another mirror") if cleanOnException: conduit.info(2,"because cleanOnException is set to 1,we do remove key file first") os.system(rmcmd) continue elif not os.path.exists(local):#this mirror may not update yet continue else: ret = True preffermirror=url break if not ret: conduit.info (2,"try to run rm cmd:%s" % rmcmd) os.system(rmcmd) # axelget.py end_line

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