Re: [gentoo-user] Rotating cron files
[EMAIL PROTECTED] wrote: I connected to my office LAN a postgresql server with the latest linux gentoo. By means of "crontab" each working day at 3am the following "crono" script - backing up my complete DB and the /etc dir to a network share - is executed: #crono /usr/bin/vacuumdb /usr/bin/pg_dump -C -O -Fc -Upostgres --file=/root/pg_dump/curve.tar.gz curve tar -cz /etc > /root/pg_dump/etc.tar.gz Therefore each working day night curve.tar.gz is overwritten as well as etc.tar.gz. I would like instead to "enumerate" the two files (starting from monday = 1, till friday=5) in order to keep a week backup, such as for instance: curve.1.tar.gz , curve.2.tar.gz, . curve.5. tar.gz and the same for etc. How can I obtain this result with crontab? Ciao Vittorio -- gentoo-user@gentoo.org mailing list Try something like this... dow=`date +%w` bkfile="rootpg_dumpcurve-$dow.tar.gz" /usr/bin/pg_dump -C -O -Fc -Upostgres --file=$bkfile Craig -- gentoo-user@gentoo.org mailing list
RE: [gentoo-user] Rotating cron files
> I would like instead to "enumerate" the two files (starting from monday > = 1, till friday=5) > in order to keep a week backup, such as for instance: curve.1.tar.gz , > curve.2.tar.gz, > .. curve.5. tar.gz and the same for etc > > How can I obtain this result with crontab? Use "date +%u" to get the day of the week, as in the following: #crono WEEKDAY=`date +%u` /usr/bin/vacuumdb /usr/bin/pg_dump -C -O -Fc -Upostgres --file=/root/pg_dump/curve.$WEEKDAY.tar.gz curve tar -cz /etc > /root/pg_dump/etc.$WEEKDAY.tar.gz -- gentoo-user@gentoo.org mailing list
Re: [gentoo-user] Rotating cron files
[EMAIL PROTECTED] wrote: I connected to my office LAN a postgresql server with the latest linux gentoo. By means of "crontab" each working day at 3am the following "crono" script - backing up my complete DB and the /etc dir to a network share - is executed: I would like instead to "enumerate" the two files (starting from monday = 1, till friday=5) in order to keep a week backup, such as for instance: curve.1.tar.gz , curve.2.tar.gz, .. curve.5. tar.gz and the same for etc How can I obtain this result with crontab? Here is my db backup script. It's for mysql, but the idea is the same. kashani #!/bin/bash set -x HOST=`hostname --fqdn` LDIR="/var/sqlbackups" MLOGIN="user" MPASS="pass" RHOST="backupserver.domain.com" RDIR="/var/sqlbackups/$HOST" RUSER="root" RKEY="/root/.ssh/dumps" DATE=`date +"%Y%m%d"` OLDDATE=`date --date='6 days ago' +"%Y%m%d"` DUMP="/usr/bin/mysqldump" GZIP="/bin/gzip" SCP="/usr/bin/scp" SSH="/usr/bin/ssh" cd $LDIR $DUMP -u$MLOGIN -p$MPASS --all-databases > $HOST-mysql-fulldump-$DATE $GZIP -9 $HOST-mysql-fulldump-$DATE $SCP -q -i $RKEY $HOST-mysql-fulldump-$DATE.gz [EMAIL PROTECTED]:$RDIR # delete old backups $SSH -i $RKEY -l $RUSER $RHOST rm $RDIR/$HOST-mysql-fulldump-$OLDDATE.gz rm -rf $HOST-mysql-fulldump-$OLDDATE.gz -- gentoo-user@gentoo.org mailing list
Re: [gentoo-user] Rotating cron files
On Wednesday 30 March 2005 17:39, [EMAIL PROTECTED] wrote:
> #crono
> /usr/bin/vacuumdb
> /usr/bin/pg_dump -C -O -Fc -Upostgres
> --file=/root/pg_dump/curve.tar.gz curve
> tar -cz /etc > /root/pg_dump/etc.tar.gz
>
> Therefore each working day night curve.tar.gz is overwritten as well
> as etc.tar.gz.
>
> I would like instead to "enumerate" the two files (starting from
> monday = 1, till friday=5)
> in order to keep a week backup, such as for instance: curve.1.tar.gz ,
> curve.2.tar.gz, .. curve.5. tar.gz and the same for etc
>
> How can I obtain this result with crontab?
I think cron alone can't handle this.
Modify your script adding this line at the start:
WEEKDAY=`date +%u`
and then give the files names like curve.${WEEKDAY}.tar.gz and
etc.${WEEKDAY}.tar.gz
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