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80 lines
3.1 KiB
Markdown
80 lines
3.1 KiB
Markdown
# uc machine logs
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View systemd service logs.
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## Synopsis
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View logs from the specified systemd service(s) across all machines in the cluster.
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Use -m to restrict to specific machines.
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Supported services:
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uncloud the Uncloud daemon
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docker the Docker daemon
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uncloud-corrosion the Corrosion distributed state store
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If no services are specified, streams logs from the uncloud service.
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```
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uc machine logs [SERVICE...] [flags]
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```
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## Examples
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```
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# View recent logs for the uncloud service.
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uc machine logs
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uc machine logs uncloud
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# Stream logs in real-time (follow mode).
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uc machine logs -f uncloud
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# View logs from multiple services.
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uc machine logs uncloud docker uncloud-corrosion
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# Show last 20 lines per machine (default is 100).
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uc machine logs -n 20 docker
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# Show all logs without line limit.
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uc machine logs -n all docker
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# View logs from a specific time range.
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uc machine logs --since 3h --until 1h30m docker
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# View logs only from specific machines.
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uc machine logs -m machine1,machine2 uncloud uncloud-corrosion
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```
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## Options
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```
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-f, --follow Continually stream new logs.
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-h, --help help for logs
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-m, --machine strings Filter logs by machine name or ID. Can be specified multiple times or as a comma-separated list.
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--since string Show logs generated on or after the given timestamp. Accepts relative duration, RFC 3339 date, or Unix timestamp.
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Examples:
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--since 2m30s Relative duration (2 minutes 30 seconds ago)
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--since 1h Relative duration (1 hour ago)
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--since 2025-11-24 RFC 3339 date only (midnight using local timezone)
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--since 2024-05-14T22:50:00 RFC 3339 date/time using local timezone
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--since 2024-01-31T10:30:00Z RFC 3339 date/time in UTC
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--since 1763953966 Unix timestamp (seconds since January 1, 1970)
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-n, --tail string Show the most recent logs and limit the number of lines shown per replica. Use 'all' to show all logs. (default "100")
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--until string Show logs generated before the given timestamp. Accepts relative duration, RFC 3339 date, or Unix timestamp.
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See --since for examples.
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--utc Print timestamps in UTC instead of local timezone.
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```
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## Options inherited from parent commands
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```
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--connect string Connect to a remote cluster machine without using the Uncloud configuration file. [$UNCLOUD_CONNECT]
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Format: [ssh://]user@host[:port], ssh+go://user@host[:port], tcp://host:port, or unix:///path/to/uncloud.sock
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-c, --context string Name of the cluster context to use (default is the current context). [$UNCLOUD_CONTEXT]
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--uncloud-config string Path to the Uncloud configuration file. [$UNCLOUD_CONFIG] (default "~/.config/uncloud/config.yaml")
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```
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## See also
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* [uc machine](uc_machine.md) - Manage machines in the cluster.
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