You will need a valid DISPLAY and XAUTHORITY to use X-Programms in Cron! To set DISPLAY is very easy, type in the Bash: export DISPLAY=”:0.0″ In order to get a valid XAUTHORITY you have to look for it. Under Debian/Gnome/gdm3 they are saved in var/run/gdm3/*/database I used the following script: export DISPLAY=”:0.0″ [ -z $USER … Read more
Who said regular expressions can’t do that? Courtesy of my employer, Salir.com, here’s a PHPUnit test which does such validation. Feel free to modify & distribute. I’ll appreciate if you keep the @author notice & link to web site. <?php /** * @author Jordi Salvat i Alabart – with thanks to <a href=”www.salir.com”>Salir.com</a>. */ abstract … Read more
Given */30 * * * * php /var/www/html/result.php There are multiple possibilities why it is not working: First of all it is important to check if the simple execution of php /var/www/html/result.php. This is required. But unfortunately, accomplishing this does not mean that the problem is solved. The path of the php binary has to … Read more
Here’s a one-liner that doesn’t use/require the new job to be in a file: (crontab -l 2>/dev/null; echo “*/5 * * * * /path/to/job -with args”) | crontab – The 2>/dev/null is important so that you don’t get the no crontab for username message that some *nixes produce if there are currently no crontab entries.
Start by typing at a command line: whereis php Do this as the user that the cron job will be run under. This will show you the path to your executable. You can then use that path (if it’s not already in your PATH variable) in your cron entry: 5 * * * * /your/path/to/php … Read more
% is a special character for crontab. From man 5 crontab: The “sixth” field (the rest of the line) specifies the command to be run. The entire command portion of the line, up to a newline or a “%” character, will be executed by /bin/sh or by the shell specified in the SHELL variable of … Read more
According to “man 5 crontab” you can set environment variables in your crontab, by writing them before your cron lines. There is also an example of a crontab so you just have to copy/paste it : $ man 5 crontab | grep -C5 PATH | tail # and files in /etc/cron.d. These files also have … Read more
Create a .pgpass file in the home directory of the account that pg_dump will run as. The format is: hostname:port:database:username:password Then, set the file’s mode to 0600. Otherwise, it will be ignored. chmod 600 ~/.pgpass See the Postgresql documentation libpq-pgpass for more details.
Running nohup php artisan queue:work –daemon & Will prevent the command exiting when you log out. The trailing ampersand (&) causes process start in the background, so you can continue to use the shell and do not have to wait until the script is finished. See nohup nohup – run a command immune to hangups, … Read more
Instead of creating a crontab to run as the root user, create a crontab for the user that you want to run the script. In your case, crontab -u www-data -e will edit the crontab for the www-data user. Just put your full command in there and remove it from the root user’s crontab.