Crontab flush

hello. I have an orangepi zero. /var/log keeps maxing out. I am wanting to make a cron job that flushes pihole after df -h says it above 50%.

Have you considered addressing the underlying issue of limited storage space?

Are you running any type of log to ram software?

Pi-hole has a highly cron job to rotate its logs in /var/log, and these typically aren't very large files.

What is the output of the following from the Pi terminal:

ls -lha /var/log/pihole*

-rw-r--r-- 1 pihole pihole 22K Jun 23 21:54 /var/log/pihole-FTL.log
-rw-r--r-- 1 pihole pihole 8.0K Jun 23 00:00 /var/log/pihole-FTL.log.1
-rw-r--r-- 1 pihole pihole 2.4K Jun 22 22:33 /var/log/pihole-FTL.log.2.gz
-rw-r--r-- 1 pihole pihole 969 Jun 22 22:32 /var/log/pihole-FTL.log.3.gz
-rw-r--r-- 1 pihole pihole 28M Jun 23 23:37 /var/log/pihole.log
-rw-r--r-- 1 pihole pihole 1.3M Jun 23 00:00 /var/log/pihole.log.1
-rw-r--r-- 1 pihole pihole 172 Jun 22 22:33 /var/log/pihole.log.2.gz
-rw-r--r-- 1 pihole pihole 2.0K Jun 22 22:33 /var/log/pihole.log.3.gz
-rw-r--r-- 1 pihole pihole 1.6M Jun 22 22:32 /var/log/pihole.log.4.gz

it's orange pi os based off of armbain. it has orangepi-zram-config, but it's not enabled. is spaming my cell phone.

Please upload a debug log and post just the token URL that is generated after the log is uploaded by running the following command from the Pi-hole host terminal:

pihole -d

or do it through the Web interface:

Tools > Generate Debug Log

There is no log at that URL. It appears that the log did not upload normally. Please repeat.

I am going to flash another SD. I had router problems, and pivpn quit working. I will probably use Armbain. thank you for your help

I have reflashes and reinstalled pihole. still having the same problem. I banned and on router firewall. here's my debug.

Your debug log suggests otherwise:
zram seems to be enabled for /var/log:

*** [ DIAGNOSING ]: Disk usage
   Filesystem      Size  Used Avail Use% Mounted on
   udev            422M     0  422M   0% /dev
   tmpfs            99M  892K   98M   1% /run
   /dev/mmcblk1p1   29G  1.6G   27G   6% /
   tmpfs           493M  716K  492M   1% /dev/shm
   tmpfs           5.0M  4.0K  5.0M   1% /run/lock
   tmpfs           493M  4.0K  493M   1% /tmp
   /dev/zram1       49M   17M   29M  37% /var/log
   tmpfs            99M     0   99M   0% /run/user/997
   tmpfs            99M     0   99M   0% /run/user/0
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I actually noticed I had it enabled. turned it off and /var/log is good. thanks