systemd

systemd: start service at boot time after network is really up (for WoL purpose)

好久不见. 提交于 2019-12-10 21:48:31
问题 I have a computer at work which I sometimes wakeup from home in order to access it but when boots and gets another IP address from our DHCP server, how can I access it? The situation and my “workflow” is as follows: From my home PC I connect to the office's VPN ssh to a dedicated server in office's LAN (it has a fixed IP address) on that server I call a script that broadcasts a WoL packet with my office PC's MAC address my office PC starts up (it really does, for sure!) Now in theory I'd be

Why ntpd service is not started automatically after reboot? [closed]

拟墨画扇 提交于 2019-12-10 19:57:51
问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 5 years ago . After I installed ntpd via yum I run the command systemctl enable ntpd.service and rebooted the computer. After I got the shell prompt I run systemctl -a | grep ntp and I got ntpd.service loaded inactive dead . If I start it manually using systemctl start ntpd.service it works fine. Why is that? How can I ensure

How to trigger a custom script to run whenever a specific systemd service restarts

别说谁变了你拦得住时间么 提交于 2019-12-10 19:55:38
问题 I wish to know how can I schedule a custom script to run whenever I restart a service. My use case is that I have to run several commands whenever I restart my Tomcat Service. I want to know if there is a way I can write a script and schedule it to run whenever I restart the Tomcat service. I have setup the tomcat script as a systemd service. I am using Cent OS 7 x64. 回答1: I have been able to achieve this by creating another service and incorporating the Tomcat service's start stop in the new

How to Run pygame script using systemd service?

随声附和 提交于 2019-12-10 19:37:16
问题 I Wanted to run pygame script using systemd service for that followed these steps to run a pygame script using systemd service sudo systemctl daemon-reload sudo systemctl enable service_name sudo systemctl start service_name and rebooted the system after that my-service don't want to run a pygame script for more understading $ sudo journalctl -f -u rpi -- Logs begin at Thu 2016-11-03 22:46:42 IST. -- Mar 28 12:19:11 raspberrypi systemd[1]: Started RPi-Service. $sudo systemctl status rpi rpi

Docker 开启2375端口

こ雲淡風輕ζ 提交于 2019-12-10 18:32:43
第一步: 确认 docker.service 文件的位置 systemctl status docker 返回结果如下 docker.service路径为(不同liunx有可能不一样) /lib/systemd/system/docker.service 第二步:修改 docker.service sudo vim /lib/systemd/system/docker.service /usr/bin/dockerd命令后加上: -H tcp://0.0.0.0:2375 -H unix:///var/run/docker.sock 第三步: 重启docker #重载service文件 systemctl daemon-reload #重启docker service systemctl restart docker 来源: CSDN 作者: 多多子 链接: https://blog.csdn.net/weixin_43730279/article/details/103479693

centos7 自定义服务及开机启动

风格不统一 提交于 2019-12-10 18:02:51
centos7相较于之前的版本,更提倡systemctl控制service的方式去控制相关服务的启动,重启,关闭等。话不多说直接开搞。(本文使用secureCRT作为SSH工具) 1.首先进入/etc/systemd/system目录 cd /etc/systemd/system 然后可以查看到该目录下的一些相关的服务配置 2.接下来,新建一个sh脚本文件,然后编辑相关内容 脚本文件名字可以自己起名字,例如:test.service 脚本内容相关可以参考下面: [Unit]:服务的说明 Description:描述服务 After:描述服务类别 [Service]服务运行参数的设置 Type=forking是后台运行的形式 ExecStart为服务的具体运行命令 ExecReload为重启命令 ExecStop为停止命令 PrivateTmp=True表示给服务分配独立的临时空间 注意:启动、重启、停止命令全部要求使用绝对路径 [Install]服务安装的相关设置,可设置为多用户 3.为脚本文件赋权限 例如:chmod 777 /etc/systemd/system/test.service(最高权限) 4.将sh文件设置成开机启动 systemctl enable test.service 5.其他命令 启动服务 systemctl start test.service 关闭服务

脚本服务化-开机自启动 Systemd 方式

♀尐吖头ヾ 提交于 2019-12-10 17:45:28
1、编写脚本 编写一个 /opt/hello.sh 脚本 sudo vim /opt/hello.sh /opt/hello.sh #!/bin/bash while true do echo hello world >> /tmp/hello.log sleep 1 done 赋予执行权限。 sudo chmod 0755 /opt/hello.sh 2、在/etc/systemd/system/ 下创建Unit定义文件 sudo vim /etc/systemd/system/hello.service 内容如下 /etc/systemd/system/hello.service [Unit] Description = hello daemon [Service] ExecStart = /opt/hello.sh Restart = always Type = simple [Install] WantedBy = multi-user.target ExecStart中填写想要执行的脚本。 Restart = always 是指进程或服务意外故障的时候可以自动重启的模式。 ※Unit文件的详细写法会另外给出。 (Type = simple 指默认的选项没有必要填写,或可理解成其余选项均为系统默认。) 3、把Unit添加进Service 使用 systemctl list

Creating filename_$(date %Y-%m-%d) from systemd bash inline script

淺唱寂寞╮ 提交于 2019-12-10 14:56:54
问题 I am trying to execute a systemd timer and would like to keep the output from the executed script in a file per date. Here is my ExecStart script in the .service file: ExecStart=/bin/bash -c 'echo $(date +%Y-%m-%d) >> /home/username/test_output_$(date +%Y-%m-%d).log' This creates the file but adds a "hash" instead of the month name: ~/test_output_2017-ea3c0c2dd56c499a93412641e41008db-01.log The content is the same: 2017-ea3c0c2dd56c499a93412641e41008db-01 If I run /bin/bash -c 'echo $(date +

How to get the process id of command executed in bash script?

倾然丶 夕夏残阳落幕 提交于 2019-12-10 12:41:51
问题 I have a script i want to run 2 programs at the same time, One is a c program and the other is cpulimit, I want to start the C program in the background first with "&" and then get the PID of the C program and hand it to cpulimit which will also run in the background with "&". I tried doing this below and it just starts the first program and never starts cpulimit. Also i am running this as a startup script as root using systemd in arch linux. #!/bin/bash /myprogram & PID=$! cpulimit -z -p

systemd service not starting using dbus interface

天大地大妈咪最大 提交于 2019-12-10 10:35:07
问题 I am trying to start systemd service usnig dbus service. I am following the example 5 of below mentioned link: http://www.freedesktop.org/software/systemd/man/systemd.service.html My dbus service is: [D-BUS Service] Name=com.native.Test_Dbus_060 Exec=/usr/sbin/server_060 User=apps StandardOutput=tty TTYPath=/dev/ttyS0 SystemdService=com.native.Test_Dbus_060.service my systemd com.native.Test_Dbus_060.service is: [Unit] Description=dbus test server [Service] Type=dbus BusName=com.native.Test