Question

2

Crontab commands and backup

rated 0 times [ 2] [ 0] / answers: 1 / hits: 1923 / 1 Year ago, sun, may 28, 2023, 6:22:40

I have the following crontab running on my server:

0 23 * * * /etc/webmin/postgresql/backup.pl --all

@daily /etc/webmin/fsdump/backup.pl 155931323799484

30 20 * * 0 /etc/webmin/fsdump/backup.pl 157271323799728

I know that the 5 values on the left seperated by spaces are the times that the subsequent commands are supposed to run. But what is this "backup.pl" and "--all" and those long strings of numbers? Are those supposed to be commands?

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onomicsiberated

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answered 1 Year ago dersol · Accepted Answer

If I look at this ( https://github.com/webmin/webmin/blob/master/mysql/backup.pl ):

#!/usr/local/bin/perl

# backup.pl

# Called by cron to backup a database, or all databases



$no_acl_check++;

require './mysql-lib.pl';



if ($ARGV[0] eq "--all") {

        $all = 1;

        $cmode = $config{'backup_cmode_'};

        }

else {

        $ARGV[0] || die "Missing database parameter";

        $cmode = 0;

        }

I would assume it is the database name.