nixCraft

ricc · #1 (**permalink**) 22-08-2005, 05:23 PM

Hi All,
I want to write a script or may be a cron Job, which will make a backup of the history file. For ex., an administrator may want to keep a backup of all the users history file silently, maybe everyday, just to keep a track of all the commands run by the user.

Thanks
rc

rockdalinux · #2 (**permalink**) 22-08-2005, 08:43 PM

Well if your shell is /bin/bash then following should work:

Code:

BAK="/backup"
a=$(cut -d: -f6 /etc/passwd)
for i in $a
do
 [ -f $i/.bash_history ] && B="$B $i/.bash_history" || :
done
[! -d $BAK ] && mkdir -p $BAK || :
tar -zcvf $BAK/history.tar.gz $B

Test it and lemme know

ricc · #3 (**permalink**) 25-08-2005, 03:43 PM

Thankx Rocky,

It works, but there was just a typo in the script.

Code:

[! -d $BAK ] && mkdir -p $BAK || :

I believe, would contain a space after "[" and before "!".

Code:

[ ! -d $BAK ] && mkdir -p $BAK || :

I am pointing this out just to let others know too and pls don't think otherwise.
I would like you to explain what does the " || : " do. I might also want you to include a date on the tar file generated, if we can. This way, we can have date wise history backups

Thanks again for your help.
rc

rockdalinux · #4 (**permalink**) 26-08-2005, 12:30 AM

Opps

Thanks for making it correct

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want a script keep backup of all users history.

want a script keep backup of all users history.

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