总结与整理:Ubuntu系统下安装、配置Nginx及其他注意事项
在Ubuntu下安裝Nginx有以下方法,但是如果想要安裝最新版本的就必須下載源碼包編譯安裝。
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一、基于APT源安裝
sudo apt-get install nginx?
1、安裝好的文件位置:
/usr/sbin/nginx:主程序
/etc/nginx:存放配置文件
/usr/share/nginx:存放靜態文件
/var/log/nginx:存放日志
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2、從上面的根目錄文件夾可以知道:
Linux系統的配置文件一般放在/etc,日志一般放在/var/log,運行的程序一般放在/usr/sbin或者/usr/bin。
當然,如果要更清楚Nginx的配置項放在什么地方,可以打開/etc/nginx/nginx.conf
Nginx如果指定默認加載/etc/nginx/nginx.conf的配置文件。如果要查看加載的是哪個配置文件,可以用這個命令
sudo nginx -t(檢查語法是否正確)或者ps -ef | grep nginx然后通過這種方式安裝的,會自動創建服務,會自動在/etc/init.d/nginx新建服務腳本,然后就可以使用
sudo service nginx {start|stop|restart|reload|force-reload|status|configtest|rotate|upgrade}?
的命令執行相關操作。
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二、通過源碼包編譯安裝
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這種方式可以自定安裝指定的模塊以及最新的版本。方式更靈活。
官方下載頁面:http://nginx.org/en/download.html
configure配置文件詳解:http://nginx.org/en/docs/configure.html
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1、安裝gcc g++的依賴庫
sudo apt-get install build-essential sudo apt-get install libtool?
2、安裝pcre依賴庫(http://www.pcre.org/)
sudo apt-get update sudo apt-get install libpcre3 libpcre3-dev?
3、安裝zlib依賴庫(http://www.zlib.net)
sudo apt-get install zlib1g-dev?
4、安裝SSL依賴庫(16.04默認已經安裝了)
sudo apt-get install openssl?
5、安裝Nginx
#下載最新版本: wget http://nginx.org/download/nginx-1.13.6.tar.gz #解壓: tar -zxvf nginx-1.13.6.tar.gz #進入解壓目錄: cd nginx-1.13.6 #配置: ./configure --prefix=/usr/local/nginx #編譯: make #安裝: sudo make install #啟動: sudo /usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf 注意:-c 指定配置文件的路徑,不加的話,nginx會自動加載默認路徑的配置文件,可以通過-h查看幫助命令。 #查看進程: ps -ef | grep nginx?
6、配置軟鏈接
sudo ln -s /usr/local/nginx/sbin/nginx /usr/bin/nginx?
現在就可以不用路徑直接輸入nginx啟動。
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三 、配置開機啟動服務
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在/etc/init.d/下創建nginx文件,sudo vim /etc/init.d/nginx,內容如下:
#!/bin/sh### BEGIN INIT INFO # Provides: nginx # Required-Start: $local_fs $remote_fs $network $syslog $named # Required-Stop: $local_fs $remote_fs $network $syslog $named # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: starts the nginx web server # Description: starts nginx using start-stop-daemon ### END INIT INFOPATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin DAEMON=/usr/local/nginx/sbin/nginx NAME=nginx DESC=nginx# Include nginx defaults if available if [ -r /etc/default/nginx ]; then. /etc/default/nginx fiSTOP_SCHEDULE="${STOP_SCHEDULE:-QUIT/5/TERM/5/KILL/5}"test -x $DAEMON || exit 0. /lib/init/vars.sh . /lib/lsb/init-functions# Try to extract nginx pidfile PID=$(cat /usr/local/nginx/conf/nginx.conf | grep -Ev '^\s*#' | awk 'BEGIN { RS="[;{}]" } { if ($1 == "pid") print $2 }' | head -n1) if [ -z "$PID" ]; thenPID=/run/nginx.pid fiif [ -n "$ULIMIT" ]; then# Set ulimit if it is set in /etc/default/nginxulimit $ULIMIT fistart_nginx() {# Start the daemon/service## Returns:# 0 if daemon has been started# 1 if daemon was already running# 2 if daemon could not be startedstart-stop-daemon --start --quiet --pidfile $PID --exec $DAEMON --test > /dev/null \|| return 1start-stop-daemon --start --quiet --pidfile $PID --exec $DAEMON -- \$DAEMON_OPTS 2>/dev/null \|| return 2 }test_config() {# Test the nginx configuration$DAEMON -t $DAEMON_OPTS >/dev/null 2>&1 }stop_nginx() {# Stops the daemon/service## Return# 0 if daemon has been stopped# 1 if daemon was already stopped# 2 if daemon could not be stopped# other if a failure occurredstart-stop-daemon --stop --quiet --retry=$STOP_SCHEDULE --pidfile $PID --name $NAMERETVAL="$?"sleep 1return "$RETVAL" }reload_nginx() {# Function that sends a SIGHUP to the daemon/servicestart-stop-daemon --stop --signal HUP --quiet --pidfile $PID --name $NAMEreturn 0 }rotate_logs() {# Rotate log filesstart-stop-daemon --stop --signal USR1 --quiet --pidfile $PID --name $NAMEreturn 0 }upgrade_nginx() {# Online upgrade nginx executable# http://nginx.org/en/docs/control.html## Return# 0 if nginx has been successfully upgraded# 1 if nginx is not running# 2 if the pid files were not created on time# 3 if the old master could not be killedif start-stop-daemon --stop --signal USR2 --quiet --pidfile $PID --name $NAME; then# Wait for both old and new master to write their pid filewhile [ ! -s "${PID}.oldbin" ] || [ ! -s "${PID}" ]; docnt=`expr $cnt + 1`if [ $cnt -gt 10 ]; thenreturn 2fisleep 1done# Everything is ready, gracefully stop the old masterif start-stop-daemon --stop --signal QUIT --quiet --pidfile "${PID}.oldbin" --name $NAME; thenreturn 0elsereturn 3fielsereturn 1fi }case "$1" instart)log_daemon_msg "Starting $DESC" "$NAME"start_nginxcase "$?" in0|1) log_end_msg 0 ;;2) log_end_msg 1 ;;esac;;stop)log_daemon_msg "Stopping $DESC" "$NAME"stop_nginxcase "$?" in0|1) log_end_msg 0 ;;2) log_end_msg 1 ;;esac;;restart)log_daemon_msg "Restarting $DESC" "$NAME"# Check configuration before stopping nginxif ! test_config; thenlog_end_msg 1 # Configuration errorexit $?fistop_nginxcase "$?" in0|1)start_nginxcase "$?" in0) log_end_msg 0 ;;1) log_end_msg 1 ;; # Old process is still running*) log_end_msg 1 ;; # Failed to startesac;;*)# Failed to stoplog_end_msg 1;;esac;;reload|force-reload)log_daemon_msg "Reloading $DESC configuration" "$NAME"# Check configuration before stopping nginx## This is not entirely correct since the on-disk nginx binary# may differ from the in-memory one, but that's not common.# We prefer to check the configuration and return an error# to the administrator.if ! test_config; thenlog_end_msg 1 # Configuration errorexit $?fireload_nginxlog_end_msg $?;;configtest|testconfig)log_daemon_msg "Testing $DESC configuration"test_configlog_end_msg $?;;status)status_of_proc -p $PID "$DAEMON" "$NAME" && exit 0 || exit $?;;upgrade)log_daemon_msg "Upgrading binary" "$NAME"upgrade_nginxlog_end_msg $?;;rotate)log_daemon_msg "Re-opening $DESC log files" "$NAME"rotate_logslog_end_msg $?;;*)echo "Usage: $NAME {start|stop|restart|reload|force-reload|status|configtest|rotate|upgrade}" >&2exit 3;; esac?
#設置服務腳本有執行權限 sudo chmod +x /etc/init.d/nginx #注冊服務 cd /etc/init.d/ sudo update-rc.d nginx defaults?
現在基本上就可以開機啟動了,
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四、常用命令
sudo service nginx {start|stop|restart|reload|force-reload|status|configtest|rotate|upgrade}?
五、需要注意問題:
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1、nginx配置
nginx.conf中,設置以下幾個參數,增加超時時間
fastcgi_connect_timeoutfastcgi連接超時時間,默認60秒fastcgi_send_timeoutnginx 進程向 fastcgi 進程發送請求過程的超時時間,默認值60秒fastcgi_read_timeoutfastcgi 進程向 nginx 進程發送輸出過程的超時時間,默認值60秒2、上傳超過1M大的客戶端文件無法正常上傳,nginx直接報錯
上傳文件太大,修改了下nginx的配置,就可以了。
client_max_body_size 10M;?
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