On 2016-04-19 23:31, Dmitry Smirnov wrote:
> Why would it be wrong to remove cron job? Because of potential modifications, 
> right?

configuration files must be retained after removal, they are only
removed during purge

conffiles (i.e. configuration files *shipped* by the package in /etc and
managed by dpkg) must not be touched by maintainer scripts (removal
would be noticed by dpkg and will be remembered - the file won't come
back on upgrade/reinstallation (unless the package is purged inbetween);
modification will cause dpkg to prompt about a "modified conffile" upon
upgrades)

(see the respective policy sections for longer definitions of
'configuration file' and 'conffile')


Andreas

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