We’ll run the following shell script,simple_service.sh, as a service using systemd in our example: $ cat simple_service.sh #!/bin/bash function handle_signal() { exit 0 } trap handle_signal SIGTERM while true do sleep 1 done
We can find out all the processes’ IDs usingpswithin the Bash script: ps -s $$ -o pid= Then we can kill them using the process IDs. To wrap up, a single statement will kill all the child processes of the current running Bash script: kill $(ps -s $$ -o pid=)...
The program creates the test environment by creating a directory and copying the main script from the source machine. Here, sshpass is used to send the password inline to the scp command for copying the main script. The program executes the copied get_host_info.sh using the BASH command in...
Hello, I am working with an Azure VM Scale Set running Ubuntu OS and have written Java code to scale it up or down. However, I am struggling with post-deployment scripts. I need each new VM created in the set to run a Bash script when it starts, and the
This is a bash script designed to create a bootable squashfs file from either an installed Linux system or the live system itself. It's an adaptation of the "Live Ubuntu Backup" script originally authored bybillbear@gmail.com. I've simplified its code, concentrating solely on live system bac...
The custom scripts are automatically triggered when a specific environment variable is set on the runner; the environment variable must contain the absolute path to the script. For more information, see Triggering the scripts below. The following scripting languages are supported: Bash: Us...
Now it executes as the root user regardless of who invokes it. The setuid is only valid for Linux ELF binaries. You cannot set a shell script to run as another user. This is a security feature.目录 上一章 下一章首页 书籍详情 目录 听书 自动阅读00...
The change must be added to an initialization script in order to persist across reboots. Consult your Linux distro documentation for details.NUMALinux kernel versions earlier than 2.6.37 don't support NUMA on Hyper-V with larger VM sizes. This issue primarily impacts older distributions...
∟Perl on Linux Systems ∟Running Perl Scripts on Linux Systems This section provides a tutorial example on how to run Perl scripts on Linux systems. To make a Perl script file executable, you need to add '#!/usr/bin/perl' to the beginning of the script. ...
EasyBashGUI is a Bash functions library for *BSD and GNU/Linux that aims to give simple GUI functions using yad, gtkdialog, kdialog, zenity, Xdialog, gum, (c)dialog, whiptail or bash builtins depending on KDE or GNOME running or not, Yad/Gtkdialog