[arch-general] back up /var/log before shutdown

Arno Gaboury arnaud.gaboury at gmail.com
Wed Jun 20 05:08:37 EDT 2012

On 06/20/2012 11:03 AM, Gaetan Bisson wrote:
> [2012-06-20 10:36:17 +0200] Arno Gaboury:
>> My /, /boot and /usr are on a BTRFS  /(except /boot on ext2) on a ssd.
>> I want to add this line in my fstab to avoid too many writings on my ssd :
>> *tmpfs       /var/log       tmpfs nodev,nosuid,noexec             0     0*
>> So each time I reboot, my /var/log will be emptied, which could be a
>> problem in case of serious issue on my box. I was then thinking of a
>> way to backup this folder before I shutdown. I found this trick in
>> the Arch forum:
>> add this in my */etc/rc.local.shutdown*:
>> |*echo "Copying LOGs..."
>> now=`date +"%Y%m%d_%Hh%M"`
>> mkdir -p /logs_backup/$now
>> cp -Rp /var/log/* ~/backup/logs_backup/$now/*
>> My ~ folder is on another HD.
>> Will this script be enough to do the job?
> Why are you inflicting such a complicated setup on yourself if you
> cannot understand what those three little lines of shell do? That seems
> to me like a completely backward way of taking the learning curve...
> Also, please create new threads instead of hijacking random ones.
> Cheers.
Ok for the new threads, please excuse my n00biness (and lazyness) about 
this issue.
I fully understand these 3 lines, and thought it was not a complicated 
way to back up /var/log at shutdown. But as it seems there is much 
simplier way, I will then investigate.


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