ERROR: Pidfile (celerybeat.pid) already exists. Seems we're already running?
参考链接: C++ quick_exit() WSL 是 Windows Subsystem for Linux 的简称, 可让开发人员按原样运行 GNU/Linux 环境 - 包括大多数命令行工具、实用工具和应用程序... 或者在程序和功能选打开 适用于 Linux 的 Windows 子系统 出现提示时,重启计算机。 ...2.下载 Linux 发行版 直接参考 WSL安装指南 使用 Microsoft Store 安装的方法无法将 Linux 安装到系统盘之外的分区,这里使用的是 手动下载 的方法。 ...daemon: "$NAME start-stop-daemon --stop --quiet --oknodo --pidfile $PIDFILE echo "." ...$PIDFILE start-stop-daemon --start --background --make-pidfile --pidfile $PIDFILE --exec $DAEMON
= pidfile def daemonize(self): """ do the UNIX double-fork magic, see Stevens'...print "usage: %s start|stop|restart" % sys.argv[0] sys.exit(2) python3 的实现 """Generic linux...def __init__(self, pidfile): self.pidfile = pidfile def daemonize(self): """Deamonize...""" # Get the pid from the pidfile try: with open(self.pidfile,'r') as pf...A simple unix/linux daemon in Python 12.14 在Unix系统上面启动守护进程
Redis的安装与配置 官网 https://redis.io 下载 访问官网 点击releases page查看全部版本 找到一样的版本下载~ 基于Linux安装Redis5.0.5 将安装包上传到...Linux # 安装gcc-c++依赖 yum install gcc-c++ # 解压压缩包 tar -zxvf redis-5.0.5.tar.gz # 进入目录 cd redis-5.0.5/ #.../bin/sh # # Simple Redis init.d script conceived to work on Linux systems # as it does use of the /proc...-f $PIDFILE ] then echo "$PIDFILE does not exist, process is not running"...else PID=$(cat $PIDFILE) echo "Stopping ..."
一款基于C语言开发的高性能NOSQL系统 我已经将Redis源码fork到我的github仓库了,可以去我的github上看看https://github.com/JLGPL/redis ##Linux...下安装Redis## ###下载解压Redis### 本博客介绍Redis-2.6.14版本的安装 按照Linux系统安装常规,我们一般先下载源代码到/usr/local/src目录下面.../redis-2.8.3.tar.gz 解压Redis源代码 tar xzf redis-2.6.14.tar.gz ###安装gcc### 因为Redis系统是基于C语言开发的,所以我们需要安装好Linux...知识,/etc/rc.d/init.d下面的脚本相当于window系统的注册表,也就是说在Linux系统启动的时候,这些脚本都会被自动执行,我们这是就需要将redis的初始化脚本(/usr/local/...-f $PIDFILE ] then echo "$PIDFILE does not exist, process is not running"
的访问控制做了修改,不再支持allow,deny,order机制,而是统一使用require进行 CentOS 6.5编译安装httpd-2.4.7 http://www.linuxidc.com/Linux...如果在win和linux上安装上apr后,Apache的同一个代码,即可以在win上运行也可在linux上运行; 1.安装apr-1.5.0.tar.bz2 wget http://archive.apache.org...=${PIDFILE-/var/run/httpd24.pid} lockfile=${LOCKFILE-/var/lock/subsys/httpd24} RETVAL=0 STOP_TIMEOUT=...=${pidfile} $httpd $OPTIONS RETVAL=$? ...下篇将介绍httpd2.4基本功能的实现... http://www.linuxidc.com/Linux/2014-03/98762.htm
也可以直接用yum安装 yum install -y haproxy 2.解压 tar zxf haproxy-1.7.9.tar.gz 3.编译安装 cd haproxy-1.7.9 make TARGET=linux2628...ARCH=x86_64 PREFIX=/usr/local/haproxy make install PREFIX=/usr/local/haproxy #参数说明 TARGET=linux26 #内核版本...,使用uname -r查看内核,如:2.6.18-371.el5,此时该参数就为linux26;kernel 大于2.6.28的用:TARGET=linux2628 ARCH=x86_64 #系统位数.../etc/sysconfig/$prog cfgfile=/etc/haproxy/haproxy.cfg pidfile=/var/run/haproxy.pid lockfile=/var/lock...cat $pidfile) retval=$?
/bin/sh# redis脚本运行在Linux系统# chkconfig: 2345 10 90# description: redis serviceEXEC="/usr/local/redis/bin.../redis-sentinel"CLIEXEC="/usr/local/redis/bin/redis-cli"PIDFILE="/usr/local/redis/logs/sentinel-26379....pid"CONF="/usr/local/redis/conf/sentinel.conf"start(){ if [ -f $PIDFILE ] then echo "$PIDFILE...-f $PIDFILE ] then echo "$PIDFILE does not exist, process is not running" else PID...=$(cat $PIDFILE) echo "Stopping ..."
.tar.gz # tar -zvxf monit-5.20.0-linux-x86.tar.gz # mv monit-5.20.0 /usr/local/monit # cp /usr/local/...~]# yum update [root@linux-node2 ~]# yum install -y monit [root@linux-node2 ~]# rpm -ql monit /etc/..."/var/lib/mysql/linux-node2.pid" start = "/usr/bin/systemctl start mariadb.service" stop = "...[root@linux-node2 ~]# systemctl start monit.service [root@linux-node2 ~]# lsof -i:2812 COMMAND PID...' Feb 03 10:47:23 linux-node2.openstack monit[89106]: Starting Monit 5.14 daemon with http interface
start-stop-daemon 使用:http://man7.org/linux/man-pages/man8/start-stop-daemon.8.html start-stop-daemon.../bin/sh DESC="Jenkins CI Server" NAME=jenkins PIDFILE=/var/run/$NAME.pid RUN_AS=jenkins COMMAND="/usr...jar /home/jenkins/jenkins.war" d_start() { start-stop-daemon --start --quiet --background --make-pidfile...--pidfile $PIDFILE --chuid $RUN_AS --exec $COMMAND } d_stop() { start-stop-daemon --stop --quiet...--pidfile $PIDFILE if [ -e $PIDFILE ] then rm $PIDFILE fi } case $1 in start)
例2: 配置文件写在运行脚本中 [root@linux ~]# cat /etc/init.d/test #!...[root@linux init.d]# cd /etc/init.d/test #进入目录 [root@linux init.d]# touch test.../test [root@linux init.d]# chkconfig --add test [root@linux init.d]# service test start The Test...4:on 5:on 6:off [root@linux init.d]# chkconfig --level 3 test on [root@linux init.d]# chkconfig...apachectl=/usr/sbin/apachectl httpd=${HTTPD-/usr/sbin/httpd} prog=httpd pidfile=${PIDFILE-/var/run
Redis:一款基于C语言开发的高性能NOSQL系统 我已经将Redis源码fork到我的github仓库了,可以去我的github上看看https://github.com/JLGPL/redis Linux...下安装Redis 下载解压Redis 本博客介绍Redis-2.6.14版本的安装 按照Linux系统安装常规,我们一般先下载源代码到/usr/local/src目录下面 进入目录: cd /...-2.8.3.tar.gz 解压Redis源代码 tar xzf redis-2.6.14.tar.gz ###安装gcc### 因为Redis系统是基于C语言开发的,所以我们需要安装好Linux...知识,/etc/rc.d/init.d下面的脚本相当于window系统的注册表,也就是说在Linux系统启动的时候,这些脚本都会被自动执行,我们这是就需要将redis的初始化脚本(/usr/local/...-f $PIDFILE ] then echo "$PIDFILE does not exist, process is not running"
/bin/sh #chkconfig: 2345 80 90 # Simple Redis init.d script conceived to work on Linux systems # as...REDISPORT=6379 EXEC=/usr/local/redis/bin/redis-server CLIEXEC=/usr/local/redis/bin/redis-cli PIDFILE...] then echo "$PIDFILE exists, process is already running or crashed" ...-f $PIDFILE ] then echo "$PIDFILE does not exist, process is not running" ...]# python Python 2.7.5 (default, Jun 17 2014, 18:11:42) [GCC 4.8.2 20140120 (Red Hat 4.8.2-16)] on linux2
tar.gz ; 下载autoconf,因为rhel61自带的autoconf版本过低,我们使用fc15的autoconf包 wget http://mirrors.ustc.edu.cn/fedora/linux...-2.68-2.fc15.noarch.rpm; 下载m4,因为rhel61自带的m4版本过低,我们使用fc15的m4包 wget http://mirrors.ustc.edu.cn/fedora/linux...--detach 启动openvswitch交换机服务 ovs-vswitchd --pidfile –detach 初始openvswitch化交换机 ovs-vsctl --no-wait init...启动openvswitch交换机和Linux网桥兼容服务 ovs-brcompatd --pidfile –detach 创建一个交换机,并将em1接口划分到交换机中 注意:和em1相连的交换机端口需要配置成...7e9972d462ab Bridge "br0" Port "em1" Interface "em1" Port "br0" Interface "br0" type: internal 因为和linux
/bin/sh # example python daemon starter script # based on skeleton from Debian GNU/Linux # cliechti@gmx.net...) echo -n "Starting $DESC: " start-stop-daemon --start --make-pidfile --pidfile ${PIDFILE} --exec "$DAEMON..." | $CRONOLOG & ;; stop) echo -n "Stopping $DESC: " start-stop-daemon --stop --pidfile ${PIDFILE} | $...CRONOLOG # \ --exec $DAEMON echo "$NAME." if [ -f ${PIDFILE} ]; then rm ${PIDFILE} fi ### rest of shutdown...${PIDFILE} # --exec $DAEMON sleep 1 start-stop-daemon --start --make-pidfile --pidfile ${PIDFILE} -
我会实现一个守护进程,从这个程序你将了解,Linux 应用程序开发基本流程 我们将实现一个远程shell的功能,可以通过tcp协议,运行远程机器上的命令或shell脚本 通过这个命令可以实现批量操作,管理上千台服务器...= os.getpid() if not pidfile : pidfile = '/var/run/'+myself+'.pid' file...vsftpd.restart = /etc/init.d/vsftpd restart vsftpd.status = /etc/init.d/vsftpd status 4. init.d 脚本 Linux...init.d下面的脚本来管理 当人你也可以直接运行命令: nodekeeper --daemon --host localhost --port 7800 但这样只能算是一个半成品,也不够专业,我们写的是linux...运用程序,必须遵循Linux规范,所有要实现一个init.d脚本 $ cat nodekeeper #!
需要了解的相关概念 进程 (process) 进程组 (process group) 会话 (session) 可参考以下博文 Linux进程基础 Linux进程关系 实现原理 参考 APUE关于守护进程的章节...import os import sys import time import atexit import signal class Daemon: def __init__(self, pidfile...: self.stdin = stdin self.stdout = stdout self.stderr = stderr self.pidfile...= pidfile def daemonize(self): if os.path.exists(self.pidfile): raise RuntimeError...= '/tmp/daemon-example.pid' LOG = '/tmp/daemon-example.log' daemon = MyTestDaemon(pidfile=PIDFILE
/bin/sh # # Simple Redis init.d script conceived to work on Linux systems # as it does use of the /proc...REDISPORT=6379 EXEC= _/opt/db/redis-bin _/bin/redis-server CLIEXEC=_/opt/db/redis-bin_/bin/redis-cli PIDFILE...redis_${REDISPORT}.pid CONF="_/opt/db/redis-bin_/${REDISPORT}.conf" case "$1" in start) if [ -f $PIDFILE...] then echo "$PIDFILE exists, process is already running or crashed" else echo "Starting Redis...-f $PIDFILE ] then echo "$PIDFILE does not exist, process is not running" else PID=$(cat $PIDFILE
/bin/bash #chkconfig: 2345 80 90 # Simple Redis init.d script conceived to work on Linux systems # as...REDISPORT=6379 EXEC=/usr/local/redis/bin/redis-server REDIS_CLI=/usr/local/redis/bin/redis-cli PIDFILE...] then echo "$PIDFILE exists, process is already running or crashed"...-f $PIDFILE ] then echo "$PIDFILE does not exist, process is not running"...else PID=$(cat $PIDFILE) echo "Stopping ..."
所以编译时需要gcc, yum install gcc-c++ 通过官网下载 地址:http://download.redis.io/releases/redis-5.0.0.tar.gz 或 使用linux...wget命令:wget http://download.redis.io/releases/redis-5.0.0.tar.gz 把源码包上传到linux服务器,在上传的目录下进行解压 tar -zxvf...-f $PIDFILE ] then echo "$PIDFILE exists, process is not running...force-reload}" >&2 exit 1 esac 2) 配置开机启动 chmod 755 /etc/init.d/redis #设置文件redis的权限,让Linux...init 0与init 6一样在centos7适用 ps aux|grep redis #查看redis进程是否存在 方法二: centos 7以上是用Systemd进行系统初始化的,Systemd 是 Linux
领取专属 10元无门槛券
手把手带您无忧上云