概要
ついに 25 が EOL になったのでアップグレード
環境
- Ubuntu 22.04
更新先のバージョンの確認
- apt -y update
- apt-cache policy docker-ce docker-ce-cli
- apt list --all-versions docker-ce | head -n 10
更新可能な最新バージョンをメモ
ピン留めの修正
- cp docker.pref docker.pref.back
- vim docker.pref
Explanation: Pin added by DevOps with GitLab
Package: docker-ce*
Pin: version 5:29.9.1-1~ubuntu.22.04~jammy
Pin-Priority: 600
更新
-
apt install --dry-run docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
-
apt install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
root@ubuntu:/etc/apt/preferences.d# apt install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
docker-buildx-plugin is already the newest version (0.38.0-1~ubuntu.22.04~jammy).
docker-buildx-plugin set to manually installed.
docker-compose-plugin is already the newest version (5.6.0-1~ubuntu.22.04~jammy).
docker-compose-plugin set to manually installed.
The following packages were automatically installed and are no longer required:
libfwupd2 libfwupdplugin5 libgcab-1.0-0 libgusb2 libltdl7 libmbim-glib4 libmbim-proxy libmm-glib0 libqmi-glib5 libqmi-proxy libsmbios-c2 libtcl8.6 modemmanager
tcl tcl8.6 usb-modeswitch usb-modeswitch-data
Use 'apt autoremove' to remove them.
Suggested packages:
cgroupfs-mount | cgroup-lite docker-model-plugin
The following packages will be upgraded:
containerd.io docker-ce docker-ce-cli
3 upgraded, 0 newly installed, 0 to remove and 5 not upgraded.
Need to get 65.4 MB of archives.
After this operation, 22.6 MB of additional disk space will be used.
N: Ignoring file 'docker.pref.back' in directory '/etc/apt/preferences.d/' as it has an invalid filename extension
Do you want to continue? [Y/n] Y
Get:1 https://download.docker.com/linux/ubuntu jammy/stable amd64 docker-ce-cli amd64 5:29.9.1-1~ubuntu.22.04~jammy [17.6 MB]
Get:2 https://download.docker.com/linux/ubuntu jammy/stable amd64 containerd.io amd64 2.4.2-2~ubuntu.22.04~jammy [23.3 MB]
Get:3 https://download.docker.com/linux/ubuntu jammy/stable amd64 docker-ce amd64 5:29.9.1-1~ubuntu.22.04~jammy [24.6 MB]
Fetched 65.4 MB in 1s (48.8 MB/s)
(Reading database ... 109872 files and directories currently installed.)
Preparing to unpack .../docker-ce-cli_5%3a29.9.1-1~ubuntu.22.04~jammy_amd64.deb ...
Unpacking docker-ce-cli (5:29.9.1-1~ubuntu.22.04~jammy) over (5:25.0.5-1~ubuntu.22.04~jammy) ...
Preparing to unpack .../containerd.io_2.4.2-2~ubuntu.22.04~jammy_amd64.deb ...
Unpacking containerd.io (2.4.2-2~ubuntu.22.04~jammy) over (2.4.1-2~ubuntu.22.04~jammy) ...
Preparing to unpack .../docker-ce_5%3a29.9.1-1~ubuntu.22.04~jammy_amd64.deb ...
Unpacking docker-ce (5:29.9.1-1~ubuntu.22.04~jammy) over (5:25.0.5-1~ubuntu.22.04~jammy) ...
Setting up containerd.io (2.4.2-2~ubuntu.22.04~jammy) ...
/usr/sbin/policy-rc.d returned 101, not running 'restart containerd.service'
Setting up docker-ce-cli (5:29.9.1-1~ubuntu.22.04~jammy) ...
Setting up docker-ce (5:29.9.1-1~ubuntu.22.04~jammy) ...
invoke-rc.d: policy-rc.d denied execution of restart.
/usr/sbin/policy-rc.d returned 101, not running 'restart docker.service docker.socket'
Processing triggers for man-db (2.10.2-1) ...
Scanning processes...
Scanning candidates...
Scanning linux images...
Running kernel seems to be up-to-date.
Restarting services...
systemctl restart fwupd.service irqbalance.service multipathd.service open-vm-tools.service packagekit.service polkit.service rsyslog.service ssh.service systemd-timesyncd.service systemd-udevd.service udisks2.service unbound.service upower.service
Service restarts being deferred:
systemctl restart ModemManager.service
systemctl restart containerd.service
/etc/needrestart/restart.d/dbus.service
systemctl restart docker.service
systemctl restart networkd-dispatcher.service
systemctl restart systemd-logind.service
systemctl restart unattended-upgrades.service
No containers need to be restarted.
No user sessions are running outdated binaries.
No VM guests are running outdated hypervisor (qemu) binaries on this host.
docker 再起動
- systemctl restart containerd.service
- systemctl restart docker.service
確認
- docker version
Client: Docker Engine - Community
Version: 29.9.1
API version: 1.56
Go version: go1.26.9
Git commit: dfc520d
Built: Wed Oct 14 18:32:26 2026
OS/Arch: linux/amd64
Context: default
Server: Docker Engine - Community
Engine:
Version: 29.9.1
API version: 1.56 (minimum version 1.40)
Go version: go1.26.9
Git commit: b26fb77
Built: Wed Oct 14 18:32:26 2026
OS/Arch: linux/amd64
Experimental: false
containerd:
Version: v2.4.2
GitCommit: b7a25261e029d68978bbf290df0a62fc819b3c51
runc:
Version: 1.5.2
GitCommit: v1.5.2-0-g29dd3dc2
docker-init:
Version: 0.19.0
GitCommit: de40ad0
最後に
今回は Docker CE のバージョンを APT preferences で指定しています。次回以降に更新する場合は、リポジトリの更新候補を確認し、必要に応じてピン留め設定を変更します。
Docker 公式リポジトリは unattended-upgrades の対象にしていないため、自動更新は行われません。