Script to create empty folders

1) Create a directory to perform the operation and go to it

sudo mkdir folder_script

cd folder_script/

2) We create a file with the extension “.sh” so that the shell understands that this will be a script

touch folder.sh

3) Add execute permissions for this file

sudo chmod +x folder.sh

4) Edit the file and add the following

sudo nano folder.sh

#!/bin/bash  

folders_count=10

path_to_save=/home/ubuntu/folder_script/


current_date=$(date +%Y.%m.%d)


for ((i=1;i<=$folders_count;i++)); do
 
 folder_name="${current_date}_Папка$i"

  mkdir -p "$path_to_save/$folder_name"
done

echo "Script finished in $(date)" >> $path_to_save/script.log

5) Running a script

./folder.sh

Executing a script via CRON

1) Command to edit cron schedule

crontab -e

2) Adding a script to the end of the file that will be executed at 0 minutes , 1 hour, * - every day, * - every month, * - every day of the week.

0 1 * * * /bin/bash /home/ubuntu/folder_script/folder.sh

3) Setting the timer to 3 minutes (optional)

(*/3 * * * * /bin/bash /home/ubuntu/folder_script/folder.sh )

4) View a list of added tasks

crontab -l

Adding a timer to systemd to execute a script, for example, once every 30 seconds.

1) creating and editing a timer configuration file

sudo nano /etc/systemd/system/folder_script.timer

[Unit]
Description=Folder Script Timer

[Timer]  
OnUnitActiveSec=30s 
Unit=folder_script.service  

[Install]  
WantedBy=timers.target

2) creating and editing a timer configuration file

sudo nano /etc/systemd/system/folder_script.service

[Unit]
Description=Folder Script Service 

[Service]  
Type=simple  
ExecStart=/bin/bash /home/ubuntu/folder_script/folder.sh 

[Install]
WantedBy=multi-user.target

reloading systemd config files

sudo systemctl daemon-reload

command to run in auto mode at system startup

sudo systemctl enable folder_script.timer

immediate start of the timer (one shot for example as a single launch)

sudo systemctl start folder_script.timer

display logs of the script run

journalctl -u folder_script.service

a list of systemd timers as well as information about scheduled subsequent runs

systemctl list-timers

Creating a script to delete empty folders in a specified directory and then running it through systemd

1) Create and change directory

mkdir del_script/
cd del_script/

2) Add the following content to our file

nano del.sh

#!/bin/bash

path_to_dir=/home/ubuntu/folder_script


find "$path_to_dir" -type d -empty -delete


echo "The script ran successfully $(date), the directory $path_to_dir cleared of empty folders" >>/home/ubuntu/del_script/del.log

3) Making our file executable

chmod +x del.sh

4) Editing del.timer and del.service files adding the following content

nano /etc/systemd/system/del.timer

[Unit]
Description=Delete Script Timer

[Timer]
OnUnitActiveSec=40s
Unit=del.service

[Install]
WantedBy=timers.target

nano /etc/systemd/system/del.service

[Unit]
Description=Delete Script Service

[Service]
Type=simple
ExecStart=/bin/bash /home/ubuntu/del_script/del.sh

[Install]
WantedBy=multi-user.target

Turn on the del.timer timer to automatically run the script

systemctl enable del.timer

pashashredder / create_delete_bash Goto Github PK

create_delete_bash's Introduction

Script to create empty folders

1) Create a directory to perform the operation and go to it

2) We create a file with the extension “.sh” so that the shell understands that this will be a script

3) Add execute permissions for this file

4) Edit the file and add the following

5) Running a script

Executing a script via CRON

1) Command to edit cron schedule

2) Adding a script to the end of the file that will be executed at 0 minutes , 1 hour, * - every day, * - every month, * - every day of the week.

3) Setting the timer to 3 minutes (optional)

4) View a list of added tasks

Adding a timer to systemd to execute a script, for example, once every 30 seconds.

1) creating and editing a timer configuration file

2) creating and editing a timer configuration file

reloading systemd config files

command to run in auto mode at system startup

immediate start of the timer (one shot for example as a single launch)

display logs of the script run

a list of systemd timers as well as information about scheduled subsequent runs

Creating a script to delete empty folders in a specified directory and then running it through systemd

1) Create and change directory

2) Add the following content to our file

3) Making our file executable

4) Editing del.timer and del.service files adding the following content

Turn on the del.timer timer to automatically run the script

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