How to start, stop and restart the springboot jar package in Linux
May 14, 2023 am 09:37 AM前言
springboot的配置文件中,配置文件的名字都有各自的意義跟用途
dev 開發(fā)環(huán)境
prod 生產(chǎn)環(huán)境(默認)
test 測試環(huán)境
加載指定配置文件 --spring.profiles.active=prod
springboot加載jar包的方式有
// 直接在控制臺進行啟動,缺點就是控制臺關(guān)閉項目也就關(guān)閉了。 java -jar bootdo.jar // 這種方式可以運行在后臺,但是如果推出了shell的話,那也會掛 java -jar /bootdo-2.0.0.jar > bootdolog.file 2>&1 & // 加上nohup的話,即使推出shell,也不影響。 nohup java -jar /bootdo-2.0.0.jar > bootdolog.file 2>&1 &
解釋
nohup表示永久運行。&表示后臺運行
> 代表重定向到哪里
1 表示stdout標準輸出,系統(tǒng)默認值是1,所以">/dev/null"
等同于"1>/dev/null"
2 表示stderr標準錯誤
nohup ./mqnamesrv >/home/cxb/mqnamesrv.out 2>&1 &
即標準輸出到mqnamesrv.out中,接著,標準錯誤輸出重定向等同于標準輸出,輸出到同一文件中。
在服務(wù)器上通過如下方式啟動成功之后,如果涉及到重新啟動,那么你需要通過ps -ef | grep bootdo
查詢到進程號,再通過kill -s 9 ${pid}
進行殺死再重新啟動,很是麻煩。
nohup java -jar /bootdo-2.0.0.jar > bootdolog.file 2>&1 &
一兩次還好說,如果涉及到多次,那就有些崩潰了。
這樣,可以通過編寫一個shell腳本來進行啟動(start)停止(stop)重啟(restart)操作,一步到位,方便高效
在自定義目錄創(chuàng)建 wss.sh 腳本,編輯內(nèi)容如下。
#!/bin/bash #這里可替換為你自己的執(zhí)行程序,其他代碼無需更改 app_name=websocketserver-0.0.1-snapshot.jar #使用說明,用來提示輸入?yún)?shù) usage() { echo "usage: sh 腳本名.sh [start|stop|restart|status]" exit 1 } #檢查程序是否在運行 is_exist(){ pid=`ps -ef|grep $app_name|grep -v grep|awk '{print $2}' ` #如果不存在返回1,存在返回0 if [ -z "${pid}" ]; then return 1 else return 0 fi } #啟動方法 start(){ is_exist if [ $? -eq "0" ]; then echo "${app_name} is already running. pid=${pid} ." else nohup java -jar /mnt/ssd1/project/websocket/$app_name > /mnt/ssd1/project/websocket/websocketserverlog.file 2>&1 & echo "${app_name} start success" fi } #停止方法 stop(){ is_exist if [ $? -eq "0" ]; then kill -9 $pid else echo "${app_name} is not running" fi } #輸出運行狀態(tài) status(){ is_exist if [ $? -eq "0" ]; then echo "${app_name} is running. pid is ${pid}" else echo "${app_name} is not running." fi } #重啟 restart(){ stop start } #根據(jù)輸入?yún)?shù),選擇執(zhí)行對應(yīng)方法,不輸入則執(zhí)行使用說明 case "$1" in "start") start ;; "stop") stop ;; "status") status ;; "restart") restart ;; *) usage ;; esac
在標紅接頭行配置啟動命令。
之后就可以通過?wss.sh start | stop | restart
?實現(xiàn)啟動,停止,重啟操作了。
補充下
sh xxx.sh與./xxx.sh區(qū)別
sh xxx.sh 是不需要有執(zhí)行權(quán)限
./xxx.sh 是需要有執(zhí)行權(quán)限的,可以通過?chmod +x xxx.sh
?賦予權(quán)限
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