mirror of https://github.com/containers/podman.git
120 lines
2.2 KiB
Markdown
120 lines
2.2 KiB
Markdown
% podman-update 1
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## NAME
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podman\-update - Update the configuration of a given container
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## SYNOPSIS
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**podman update** [*options*] *container*
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**podman container update** [*options*] *container*
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## DESCRIPTION
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Updates the configuration of an existing container, allowing changes to resource limits and healthchecks.
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## OPTIONS
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@@option blkio-weight
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@@option blkio-weight-device
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@@option cpu-period
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@@option cpu-quota
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@@option cpu-rt-period
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@@option cpu-rt-runtime
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@@option cpu-shares
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@@option cpus.container
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@@option cpuset-cpus
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@@option cpuset-mems
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@@option device-read-bps
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@@option device-read-iops
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@@option device-write-bps
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@@option device-write-iops
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@@option env.update
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@@option health-cmd
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@@option health-interval
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Changing this setting resets the timer.
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@@option health-log-destination
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Warning: Changing this setting may cause the loss of previous logs.
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@@option health-max-log-count
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@@option health-max-log-size
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@@option health-on-failure
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@@option health-retries
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@@option health-start-period
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@@option health-startup-cmd
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@@option health-startup-interval
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Changing this setting resets the timer, depending on the state of the container.
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@@option health-startup-retries
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@@option health-startup-success
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@@option health-startup-timeout
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@@option health-timeout
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@@option memory
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@@option memory-reservation
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@@option memory-swap
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@@option memory-swappiness
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@@option no-healthcheck
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@@option pids-limit
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@@option restart
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@@option unsetenv.update
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## EXAMPLES
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Update a container with a new cpu quota and period:
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```
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podman update --cpus=0.5 ctrID
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```
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Update a container with multiple options at ones:
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```
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podman update --cpus 5 --cpuset-cpus 0 --cpu-shares 123 --cpuset-mems 0 \\
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--memory 1G --memory-swap 2G --memory-reservation 2G \\
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--blkio-weight-device /dev/sda:123 --blkio-weight 123 \\
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--device-read-bps /dev/sda:10mb --device-write-bps /dev/sda:10mb \\
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--device-read-iops /dev/sda:1000 --device-write-iops /dev/sda:1000 \\
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--pids-limit 123 ctrID
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```
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## SEE ALSO
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**[podman(1)](podman.1.md)**, **[podman-create(1)](podman-create.1.md)**, **[podman-run(1)](podman-run.1.md)**
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## HISTORY
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August 2022, Originally written by Charlie Doern <cdoern@redhat.com>
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