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Re: Timestamps query

by MidLifeXis (Monsignor)
on Oct 18, 2012 at 12:53 UTC ( #999726=note: print w/replies, xml ) Need Help??

in reply to Timestamps query

In addition to a possibility of the config files being stored in a temporary directory (unable to substantiate it without code), there is also the possibility that some code path in your code allows the configuration files to be removed by some invocation of your code.

I would do the following things (for starters):

  • Check for any security advisories on your software, and apply fixes for those issues. This is extremely important for any public-facing server, not just web servers.
  • check your configuration files and settings to ensure that you are not storing them in an area that gets periodically cleaned.
  • Check to see that there are no external cleanup (or other) processes that can delete these files (see at, cron, windows scheduled tasks, and so on). I once saw a situation where important files on a shared filesystem were removed by a find process on another machine, because of a '-follow' flag and a symlink in a /tmp directory.

Additionally, you may want to get familiar with your code and learn how to (or contract with someone to) do a code audit on your system. There are monks around who make themselves available for consulting of this type.


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[Cosmic37]: thank you Lotus I understand
[Cosmic37]: now I have tried another blunder - can anyone explain why I am such a dunderhead?
[Cosmic37]: if ( $line =~ /$mydt/ ) { print $line; }
[Cosmic37]: I try to match successive date times stored in variable $mydt
[Cosmic37]: I guess it is searching for the string "$mydt"
[Corion]: Indeed cool, erix ;)
[Cosmic37]: rather than the value of $mydt which is a date time strong such as 2016-01-01 12:30:56
[Corion]: Cosmic37: No, but maybe $mydt doesn't contain what you think it does, or it contains characters that are special in a regular expression? Try if( $line =~ /\Q$mydt\E/) { ... for a literal match
[Cosmic37]: I mean string grrr
[Corion]: Maybe add an else branch in which you print what the values of $line and $mydt are?

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