Linux Bash shell 脚本定时器 All In One

合集 - Linux Shell(69)

1.Linux shell command ln All In One2023-06-042.Linux shell command cut All In One2023-06-043.Linux shell standard input bugs All In One2023-05-314.Linux shell command base64 All In One2023-05-305.How to use the shell command to get the version of Linux Distributions All In One2023-05-306.Linux shell command make & Makefile All In One2023-05-247.Linux shell command strings All In One2023-05-248.sudo & su & Rust All In One2023-05-079.Linux shell command make All In One2023-05-0310.Linux shell script shebang env All In One2023-05-0311.Linux shell script switch...case All In One2023-05-0312.Linux shell command ls sort by date All In One2023-05-0213.Linux shell script read file line by line All In One2023-04-2814.Linux shell regular expression All In One2023-04-2715.How to fix IP filter regular expressions written using grep command in Linux shell script All In One2023-04-2616.Linux shell script programming All In One2023-04-2217.Linux shell script redirection All In One2023-04-2018.How to use Linux shell command filter the IP address All In One2023-04-1719.how to create one interactive mode command line configuration tool with shell language on Linux All In One2023-04-1420.Linux shell script get date and time All In One2023-04-1221.Linux shell command screen All In One2023-04-0922.Linux shell `#!` interpreter All In One2023-03-3023.Linux shell set command All In One2023-03-2524.Linux shell script auto generate batch files All In One2023-03-2425.Linux bash script HereDoc All In One2023-03-2426.Linux shell system environment variables All In One2023-02-1027.Linux shell command curl All In One2023-01-0928.Linux shell command chroot All In One2023-01-0429.Linux shell command chmod All In One2023-01-0230.Linux shell number variables add All In One2022-12-2831.Linux bash shell "${1}" All In One2022-12-2732.Linux xattr shell command All In One2022-12-2133.Multiple Ways to Change Terminal Shell in Linux All In One2022-11-3034.Linux shell stdin & stdout & stderr All In One2022-11-1835.Linux shell man command All In One2022-10-2636.Linux shell command line editor All In One2022-10-2537.Linux shell command uname All In One2022-08-1738.Linux bash shell script block comment All In One2022-06-1439.Linux bash shell script batch download files All In One2022-03-2940.Linux shell script bug and error All In One2022-02-2541.Linux bash write long string with multi-lines comments All In One2021-12-1642.Linux set command All In One2021-11-1143.Linux echo command All In One2021-10-1444.Linux echo 换行 All In One2021-10-13

45.Linux Bash shell 脚本定时器 All In One2021-10-09

46.Linux System Variables All In One2021-09-2447.linux bash shell auto read write template2021-03-2748.Linux bash script read args All In One2021-02-1949.Linux Bash Script conditions syntax All In One2021-01-2250.Linux Bash Script loop syntax All In One2021-01-2251.Linux shell script All In One2021-01-0652.如何通过 Linux terminal 查看一个文件的 meta 信息 All In One2020-09-2453.Linux shell uname -a All In One2020-09-0154.Linux shell command create file methods All In One2020-08-0955. how to write string to file in linux bash All In One2020-05-0656.linux bash shell & lsof & grep & ps2020-01-0857.Linux Bash Shell All In One2019-12-1758.Linux shell command copy file All In One2019-05-2959.Linux shell command & zip & tar All In One2018-09-2760.Linux shell command show project directory tree All In One2018-09-2661.Linux shell commands man chmod All In One2018-08-2862.Linux & bash & shell & PID & PPID2018-08-0763.Linux bash shell All In One2018-08-0664.Linux shell command symbolic link & soft link All In One2018-07-0465.Linux bash shell All In One2018-07-0366.Linux shell (.sh 文件) 基础命令 常用命令 汇总2016-04-0467.How to use a shell script to check whether a command had been installed in the Linux server All In One2023-09-2268.How to print a string with a variable by using the echo command in the shell script All In One2023-09-2169.Linux install vim errors All In One2023-05-29

收起

Linux Bash shell 脚本定时器 All In One

自动化执行定时任务

Linux crontab 是用来定期执行程序的命令

demos

$ crontab -e

# 定时器任务test
# 每隔 30 分钟运行一次，使用 sh 自动安装 app-node-env
# 30 * * * * sh ./auto-install-npm.sh
30 * * * * /bin/sh ./auto-install-npm.sh

#!/bin/sh

# sh/zsh/bash 选择默认

# echo "🚀 linux shell 定时器" && npm i -g app-node-env
echo "🚀 linux shell 定时器" && yarn global add app-node-env

# Linux Bash shell 脚本定时器 All In One
# https://www.cnblogs.com/xgqfrms/p/15384401.html

https://www.runoob.com/linux/linux-comm-crontab.html

demos

corn

crontab guru

The quick and simple editor for cron schedule expressions by Cronitor

# At 08:00 on Sunday
0 8 * * 0

https://crontab.guru/#0_8___0

which

➜  ~ which sh
/bin/sh
➜  ~ which zsh
/bin/zsh
➜  ~ which bash
/bin/bash


➜  ~ which node
/Users/xgqfrms-mbp/.nvm/versions/node/v12.18.0/bin/node
➜  ~ which nginx
/usr/local/bin/nginx
➜  ~ which flutter
/Users/xgqfrms-mbp/Documents/Flutter/flutter/bin/flutter

refs

https://www.runoob.com/linux/linux-shell.html

---

---

©xgqfrms 2012-2021

www.cnblogs.com/xgqfrms 发布文章使用：只允许注册用户才可以访问！

原创文章，版权所有©️xgqfrms, 禁止转载 🈲️，侵权必究⚠️！

---