Как мы устали настраивать Crontab и сделали свой cron-manager
В какой-то момент cron-заданий становится много, появляются сложные зависимости между скриптами, когда результат выполнение одного важен для начала работы другого. Балансировать такую историю доводится сис.админу, DevOps'у или разработчику. С этого и начинается наш рассказ.
https://habr.com/ru/articles/1003006/
#cron #crontab #cronjob #cronjob #продукт #продуктовая_разработка
I wrote up a quick how-to for running data backups inside a Kubernetes cluster using CronJobs. I wish it was as simple as a crontab + bash script like the olden days, but it works well enough. It is nice how declarative and stateless it is though!
https://nbailey.ca/post/backup-k8s-cronjob/
#kubernetes #backup #backups #cronjob #postgres #postgresql #kafka #aws #s3 #eks #bash #terraform #sysadmin #linux #blog #blogpost
A key part of operating any safe and reliable system is ensuring that there is a way to recover deleted or lost data in a prompt and consistent way. One key part of that is to maintain automatic backups that are recoverable and verifiable. This is a quick and easy way to accomplish that goal, by using existing pieces of infrastructure that are common in production networks. There are countless ways to perform a backup, this is simply one of the “easiest” given these ingredients are available.
Have you ever struggled testing changes in a k8s cronjob? I was always creating testing jobs manually or modifying cronjob schedule to run on specific time in near future.
But there is much easier way:
```
kubectl create job test --from cronjob/your-cronjob
```
And voila, the job is created instantly.
Công việc backup hàng ngày của tôi “vẫn chạy” trong log, nhưng thực tế lại tạo file trống suốt 3 tuần. Không cảnh báo, không lỗi — chỉ im lặng thất bại.
Tôi đã tạo DeadManPing: thêm 1 dòng curl vào script để theo dõi kết quả thực tế (dung lượng file, số bản ghi...). Nếu dữ liệu bất thường (ví dụ: expected 1GB, got 0), nó sẽ báo ngay.
Không phải công cụ chạy cron — chỉ giám sát và cảnh báo khi có vấn đề.
Bạn thường đau đầu với việc gì khi quản lý cron job?
(Post 4/X) – Der Workflow: Von Gadgetbridge zu InfluxDB mit Python-Power
Sobald die Gadgetbridge-ZIPs im Syncthing-Hub (/home/xxxx/garmin_loader/Garmin_Hub/01_Inbox_Import) auf dem Server landen, übernimmt die Magie:
Ein Python-ETL-Skript (garmin_import_final.py), gesteuert per Cronjob, entpackt die ZIPs. Mit fitparse & gpxpy werden die .fit-Daten (inkl. GPS-Koordinaten, HR, Pace) ausgelesen, gefiltert und als Zeitreihen in eine dedizierte garmin_data-Datenbank in meiner zentralen InfluxDB geschrieben. Verarbeitete ZIPs wandern ins Archiv.
Das ist der Kern des datenschutzfreundlichen Workflows!
#Mastodon #Instanz aufräumen - richtig mit #Skript und #Cronjob
https://gnulinux.ch/mastodon-instanz-aufr%C3%A4umen-richtig-mit-skript-und-cronjob
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Ehehehe
Cool to see there is a Wrapstodon feature, and it can be triggered manually
Time to create a Cronjob for it
#mastodon #mastoadmin #wrapstodon #selfhosted #homelab #selfhosting #cronjob
Habr
Noah Bailey
cmdr ░ nova ⸸ :~$
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