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| author | Trey Bastian <hello@treybastian.com> | 2025-11-19 11:21:25 +0000 |
|---|---|---|
| committer | Trey Bastian <hello@treybastian.com> | 2025-11-19 11:21:25 +0000 |
| commit | 30a5e12dfe12728c1dd7b7eb455dd23919fe7305 (patch) | |
| tree | ba09ec0eae78d7521997a5bc754d59cadbf49ed3 /daily-snapshot.sh | |
| parent | 165f78c96d37a5801b1fc3c03d5a8208f82da319 (diff) | |
added my backup scripts
Diffstat (limited to 'daily-snapshot.sh')
| -rwxr-xr-x | daily-snapshot.sh | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/daily-snapshot.sh b/daily-snapshot.sh new file mode 100755 index 0000000..cb8e0b6 --- /dev/null +++ b/daily-snapshot.sh @@ -0,0 +1,25 @@ +#!/bin/bash +# +# This script will gzip /mnt/backup/live/ +# This script assumes /mnt/backup/snapshots/ is where we want to store archives +# This script will only keep 7 days worth of archives +# -- if you want to change this just change `MAX_BACKUPS` +# +# My personal setup: +# -- has this running daily with cron at 00:30z +# -- mounts /mnt/backup to it's own specific NFS share configured for the host +# + +MAX_BACKUPS=7 + +tar -czf "/mnt/backup/snapshots/gwaine.snapshot.`date + "%FT%H%M%S"`.tar.gz" -C /mnt/backup/live . + +COUNT=$(ls -1 /mnt/backup/snapshots/*.tar.gz 2>/dev/null | wc -l) + +if [ "$COUNT" -gt $MAX_BACKUPS]; then + # why not just delete the oldest file only Trey??? + # well I'll tell you why! If I want to change MAX_BACKUPS from 7 to 3 + # I'll have a whole bunch of extra archives I don't want to keep + EXTRA=$((COUNT - MAX_BACKUPS)) + ls -1T /mnt/backup/snapshots/*.tar.gz | tail -n "$EXTRA" | xargs rm -f +fi |
