Linux setup steps/move cronjobs forward a few hours

From Nick Jenkins

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Start the overnight cron jobs earlier - seem to be ending around 7:00 am, and this is too late. By default, crontab runs some jobs at 6:52 AM - this is way too late, want things to run from 1:55 AM instead, so that they are well and truly finished by the early morning, so as to not impact early-morning users. 

nano /etc/crontab

Change as follows: 

- 25 6    * * *   root    test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.daily )
- 47 6    * * 7   root    test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.weekly )
- 52 6    1 * *   root    test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.monthly )
+ 55 1    * * *   root    test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.daily )
+ 01 4    * * 7   root    test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.weekly )
+ 02 5    1 * *   root    test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.monthly )
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