curl -fsSL https://chatgpt.com/codex/install.sh | sh
モデルダウンロード
ollama pull gemma4:26b
ollama 設定
sudo systemctl edit ollama.service
### Editing /etc/systemd/system/ollama.service.d/override.conf
### Anything between here and the comment below will become the contents of the drop-in file
[Service]
Environment="OLLAMA_CONTEXT_LENGTH=66536"
### Edits below this comment will be discarded
### /etc/systemd/system/ollama.service
# [Unit]
# Description=Ollama Service
# After=network-online.target
#
# [Service]
# ExecStart=/usr/local/bin/ollama serve
# User=ollama
# Group=ollama
# Restart=always
# RestartSec=3
# Environment="PATH="
#
# [Install]
# WantedBy=default.target
Get:1 https://cli.github.com/packages stable InRelease [3,917 B]
Hit:2 https://aquasecurity.github.io/trivy-repo/deb generic InRelease
Err:1 https://cli.github.com/packages stable InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 5612B36462313325
Hit:3 https://download.docker.com/linux/ubuntu noble InRelease
Get:4 https://apt.releases.hashicorp.com noble InRelease [12.8 kB]
Err:4 https://apt.releases.hashicorp.com noble InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY FC9CA96ACA026560
Hit:5 http://repo.mysql.com/apt/ubuntu noble InRelease
Hit:6 http://security.ubuntu.com/ubuntu noble-security InRelease
Hit:7 http://archive.ubuntu.com/ubuntu noble InRelease
Hit:8 http://archive.ubuntu.com/ubuntu noble-updates InRelease
Hit:9 https://ppa.launchpadcontent.net/ansible/ansible/ubuntu noble InRelease
Hit:10 https://ppa.launchpadcontent.net/git-core/ppa/ubuntu noble InRelease
Get:11 https://esm.ubuntu.com/apps/ubuntu noble-apps-security InRelease [8,371 B]
Get:12 https://esm.ubuntu.com/apps/ubuntu noble-apps-updates InRelease [8,220 B]
Get:13 https://esm.ubuntu.com/infra/ubuntu noble-infra-security InRelease [8,235 B]
Get:14 https://esm.ubuntu.com/infra/ubuntu noble-infra-updates InRelease [8,213 B]
Fetched 49.8 kB in 4s (12.9 kB/s)
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
3 packages can be upgraded. Run 'apt list --upgradable' to see them.
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://cli.github.com/packages stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 5612B36462313325
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://apt.releases.hashicorp.com noble InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY FC9CA96ACA026560
W: Failed to fetch https://cli.github.com/packages/dists/stable/InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 5612B36462313325
W: Failed to fetch https://apt.releases.hashicorp.com/dists/noble/InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY FC9CA96ACA026560
W: Some index files failed to download. They have been ignored, or old ones used instead.
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。
