% podman-update 1 ## NAME podman\-update - Update the configuration of a given container ## SYNOPSIS **podman update** [*options*] *container* **podman container update** [*options*] *container* ## DESCRIPTION Updates the configuration of an existing container, allowing changes to resource limits and healthchecks. ## OPTIONS @@option blkio-weight @@option blkio-weight-device @@option cpu-period @@option cpu-quota @@option cpu-rt-period @@option cpu-rt-runtime @@option cpu-shares @@option cpus.container @@option cpuset-cpus @@option cpuset-mems @@option device-read-bps @@option device-read-iops @@option device-write-bps @@option device-write-iops @@option env.update @@option health-cmd @@option health-interval Changing this setting resets the timer. @@option health-log-destination Warning: Changing this setting may cause the loss of previous logs. @@option health-max-log-count @@option health-max-log-size @@option health-on-failure @@option health-retries @@option health-start-period @@option health-startup-cmd @@option health-startup-interval Changing this setting resets the timer, depending on the state of the container. @@option health-startup-retries @@option health-startup-success @@option health-startup-timeout @@option health-timeout @@option latest @@option memory @@option memory-reservation @@option memory-swap @@option memory-swappiness @@option no-healthcheck @@option pids-limit @@option restart @@option unsetenv.update ## EXAMPLES Update a container with a new cpu quota and period: ``` podman update --cpus=0.5 ctrID ``` Update the latest container with a new cpu value: ``` podman update --latest --cpus=1 ``` Update a container with multiple options at ones: ``` podman update --cpus 5 --cpuset-cpus 0 --cpu-shares 123 --cpuset-mems 0 \\ --memory 1G --memory-swap 2G --memory-reservation 2G \\ --blkio-weight-device /dev/sda:123 --blkio-weight 123 \\ --device-read-bps /dev/sda:10mb --device-write-bps /dev/sda:10mb \\ --device-read-iops /dev/sda:1000 --device-write-iops /dev/sda:1000 \\ --pids-limit 123 ctrID ``` ## SEE ALSO **[podman(1)](podman.1.md)**, **[podman-create(1)](podman-create.1.md)**, **[podman-run(1)](podman-run.1.md)** ## HISTORY June 2025, Latest option added by Hayato Kihara August 2022, Originally written by Charlie Doern