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Linux Scripts

Quickly send commands to your Linux devices using scripts from the console. Whether you need to install apps, check services, or manage Wi-Fi, this guide helps you push scripts, track results, and automate actions with ease.

Send commands to your Linux devices with scripts. You can use up to 16,600 characters per script.

Sequential script execution is not guaranteed. Up to five scripts can execute in parallel, meaning their execution order may vary. This limit was chosen to provide the best performance while being mindful of device resources. Design mutually exclusive scripts that don’t rely on the execution order of other scripts for the best results. 
Use these scripts at your own risk.

In this article: 

Sending Commands

To begin sending commands, locate the device in Devices & Groups, check the box next to it, and then click Actions > ellipsis (...) > Run Script.

Then, paste the command in the window.

Use exit codes to track the progress of your commands in the Event Feed. For example, use “0” for successful commands and “1” for failures.

For repetitive actions, you can also bind a script to a button or other component. Learn more about creating a custom action.

Debian-based Commands

Install an App

#!/bin/bash
apt update
apt install -y myapp
if [ $? -eq 0 ]; then
    echo "Installation successful"
else
    echo "Installation failed"
fi

Uninstall an App

#!/bin/bash
package_name="myapp"
echo "Uninstalling $package_name..."
apt-get purge -y "$package_name"
if [ $? -eq 0 ]; then
  echo "Successfully uninstalled $package_name"
else
  echo "Failed to uninstall $package_name"
fi

Check the Status of a Service

#!/bin/bash
systemctl status myapp

Modify Files

#!/bin/bash
content="This is the new content to append to the file."
echo "$content"  /path/to/your/file.txt

Remove File

#!/bin/bash
rm /path/to/file

CPU, Memory Usage

#!/bin/bash
cpu_info=$(top -bn1 | grep "Cpu(s)" | sed "s/.*, *\([0-9.]*\)%* id.*/\1/" | awk '{print 100 - $1}')
echo "CPU Usage: $cpu_info%"
memory_info=$(free -m | awk 'NR==2{printf "Memory Usage: %s/%sMB (%.2f%%)\n", $3,$2,$3*100/$2}')
echo "$memory_info"

Reboot

#!/bin/bash
sudo reboot

Check Wi-Fi Settings

#!/bin/bash
if ! command -v nmcli &/dev/null; then
    echo "NetworkManager is not installed. Please install NetworkManager."
    exit 1
fi
if ! nmcli -t -f DEVICE,STATE connection show --active | grep -q "wifi"; then
    echo "No active WiFi connection found."
    exit 1
fi
wifi_info=$(nmcli -t -f SSID,DEVICE,BSSID,MODE,CHAN,FREQ,RATE,SIGNAL connection show --active | grep "wifi")
echo "WiFi Connection Information:"
echo "-----------------------------"
echo "$wifi_info"

Modify Wi-Fi Settings

#!/bin/bash
if ! command -v nmcli &/dev/null; then
    echo "NetworkManager is not installed. Please install NetworkManager."
    exit 1
fi
if [ $# -ne 2 ]; then
    echo "Usage: $0 <ssid> <password>"
    exit 1
fi
ssid="$1"
password="$2"
nmcli device wifi connect "$ssid" password "$password"
if [ $? -eq 0 ]; then
    echo "Successfully connected to $ssid."
else
    echo "Failed to connect to $ssid."
fi

Add Wi-Fi

#!/bin/bash
if ! command -v nmcli &/dev/null; then
    echo "NetworkManager is not installed. Please install NetworkManager."
    exit 1
fi
ssid="<ssid>"
password="<password>"
nmcli device wifi connect "$ssid" password "$password"
if [ $? -eq 0 ]; then
    echo "Successfully connected to $ssid."
else
    echo "Failed to connect to $ssid."
fi

Remove Wi-Fi

#!/bin/bash
if ! command -v nmcli &/dev/null; then
    echo "NetworkManager is not installed. Please install NetworkManager."
    exit 1
fi
ssid="ssid1"
connection_id=$(nmcli connection show | grep "$ssid" | awk '{print $1}')
if [ -z "$connection_id" ]; then
    echo "WiFi connection '$ssid' not found."
    exit 1
fi
echo "Removing WiFi connection: $ssid"
nmcli connection delete "$connection_id"

Lock Screen

#!/bin/bash
gnome-screensaver-command --lock

Turn Bluetooth On

#!/bin/bash
bluetoothctl power on

Turn Bluetooth Off

#!/bin/bash
bluetoothctl power off

Change Wallpaper for Gnome Devices

#!/bin/bash
gsettings set org.gnome.desktop.background picture-uri "file:///path/to/your/image.jpg"

Change Wallpaper for non-Gnome Devices

#!/bin/bash
feh --bg-scale /path/to/your/image.jpg

Set Timezone

#!/bin/bash
timedatectl set-timezone America/New_York

Set Time and Date

#!/bin/bash
timedatectl set-time "YYYY-MM-DD HH:MM:SS"

Launch an App

DISPLAY=:0 firefox https://esper.io

You may need to run the following command before running the DISPLAY=:0 command:

xhost +

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