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docs: update examples for ubuntu LTS versions

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Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn
2026-11-05 23:19:42 +01:00
parent 1c6c7ffcc8
commit e2aefc6e1a
11 changed files with 71 additions and 71 deletions
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docs/reference/commandline/container_commit.md
+8 -8
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@@ -44,8 +44,8 @@ created. Supported `Dockerfile` instructions:
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
c3f279d17e0a ubuntu:24.04 /bin/bash 7 days ago Up 25 hours desperate_dubinsky
197387f1b436 ubuntu:24.04 /bin/bash 7 days ago Up 25 hours focused_hamilton
c3f279d17e0a ubuntu:26.04 /bin/bash 7 days ago Up 25 hours desperate_dubinsky
197387f1b436 ubuntu:26.04 /bin/bash 7 days ago Up 25 hours focused_hamilton
$ docker commit c3f279d17e0a svendowideit/testimage:version3
@@ -63,8 +63,8 @@ svendowideit/testimage version3 f5283438590d 16 sec
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
c3f279d17e0a ubuntu:24.04 /bin/bash 7 days ago Up 25 hours desperate_dubinsky
197387f1b436 ubuntu:24.04 /bin/bash 7 days ago Up 25 hours focused_hamilton
c3f279d17e0a ubuntu:26.04 /bin/bash 7 days ago Up 25 hours desperate_dubinsky
197387f1b436 ubuntu:26.04 /bin/bash 7 days ago Up 25 hours focused_hamilton
$ docker inspect -f "{{ .Config.Env }}" c3f279d17e0a
@@ -85,8 +85,8 @@ $ docker inspect -f "{{ .Config.Env }}" f5283438590d
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
c3f279d17e0a ubuntu:24.04 /bin/bash 7 days ago Up 25 hours desperate_dubinsky
197387f1b436 ubuntu:24.04 /bin/bash 7 days ago Up 25 hours focused_hamilton
c3f279d17e0a ubuntu:26.04 /bin/bash 7 days ago Up 25 hours desperate_dubinsky
197387f1b436 ubuntu:26.04 /bin/bash 7 days ago Up 25 hours focused_hamilton
$ docker commit --change='CMD ["apachectl", "-DFOREGROUND"]' -c "EXPOSE 80" c3f279d17e0a svendowideit/testimage:version4
@@ -100,6 +100,6 @@ $ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
89373736e2e7 testimage:version4 "apachectl -DFOREGROU" 3 seconds ago Up 2 seconds 80/tcp distracted_fermat
c3f279d17e0a ubuntu:24.04 /bin/bash 7 days ago Up 25 hours desperate_dubinsky
197387f1b436 ubuntu:24.04 /bin/bash 7 days ago Up 25 hours focused_hamilton
c3f279d17e0a ubuntu:26.04 /bin/bash 7 days ago Up 25 hours desperate_dubinsky
197387f1b436 ubuntu:26.04 /bin/bash 7 days ago Up 25 hours focused_hamilton
```
docs/reference/commandline/container_ls.md
+5 -5
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@@ -33,7 +33,7 @@ Running `docker ps --no-trunc` showing 2 linked containers.
$ docker ps --no-trunc
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
ca5534a51dd04bbcebe9b23ba05f389466cf0c190f1f8f182d7eea92a9671d00 ubuntu:24.04 bash 17 seconds ago Up 16 seconds 3300-3310/tcp webapp
ca5534a51dd04bbcebe9b23ba05f389466cf0c190f1f8f182d7eea92a9671d00 ubuntu:26.04 bash 17 seconds ago Up 16 seconds 3300-3310/tcp webapp
9ca9747b233100676a48cc7806131586213fa5dab86dd1972d6a8732e3a84a4d crosbymichael/redis:latest /redis-server --dir 33 minutes ago Up 33 minutes 6379/tcp redis,webapp/db
```
@@ -240,13 +240,13 @@ CONTAINER ID IMAGE COMMAND CREATED
919e1179bdb8 ubuntu-c1 "top" About a minute ago Up About a minute admiring_lovelace
```
Match containers based on the `ubuntu` version `24.04` image:
Match containers based on the `ubuntu` version `26.04` image:
```console
$ docker ps --filter ancestor=ubuntu:24.04
$ docker ps --filter ancestor=ubuntu:26.04
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
82a598284012 ubuntu:24.04 "top" 3 minutes ago Up 3 minutes sleepy_bose
82a598284012 ubuntu:26.04 "top" 3 minutes ago Up 3 minutes sleepy_bose
```
The following matches containers based on the layer `d0e008c6cf02` or an image
@@ -256,7 +256,7 @@ that have this layer in its layer stack.
$ docker ps --filter ancestor=d0e008c6cf02
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
82a598284012 ubuntu:24.04 "top" 3 minutes ago Up 3 minutes sleepy_bose
82a598284012 ubuntu:26.04 "top" 3 minutes ago Up 3 minutes sleepy_bose
```
#### Create time
docs/reference/commandline/image_pull.md
+11 -11
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@@ -106,8 +106,8 @@ refer to [understand images, containers, and storage drivers](https://docs.docke
So far, you've pulled images by their name (and "tag"). Using names and tags is
a convenient way to work with images. When using tags, you can `docker pull` an
image again to make sure you have the most up-to-date version of that image.
For example, `docker pull ubuntu:24.04` pulls the latest version of the Ubuntu
24.04 image.
For example, `docker pull ubuntu:26.04` pulls the latest version of the Ubuntu
26.04 image.
In some cases you don't want images to be updated to newer versions, but prefer
to use a fixed version of an image. Docker enables you to pull an image by its
@@ -116,16 +116,16 @@ of an image to pull. Doing so, allows you to "pin" an image to that version,
and guarantee that the image you're using is always the same.
To know the digest of an image, pull the image first. Let's pull the latest
`ubuntu:24.04` image from Docker Hub:
`ubuntu:26.04` image from Docker Hub:
```console
$ docker pull ubuntu:24.04
$ docker pull ubuntu:26.04
24.04: Pulling from library/ubuntu
26.04: Pulling from library/ubuntu
125a6e411906: Pull complete
Digest: sha256:2e863c44b718727c860746568e1d54afd13b2fa71b160f5cd9058fc436217b30
Status: Downloaded newer image for ubuntu:24.04
docker.io/library/ubuntu:24.04
Status: Downloaded newer image for ubuntu:26.04
docker.io/library/ubuntu:26.04
```
Docker prints the digest of the image after the pull has finished. In the example
@@ -213,11 +213,11 @@ shorthand) to see the images that were pulled. The example below shows all the
```console
$ docker image ls --filter reference=ubuntu
REPOSITORY TAG IMAGE ID CREATED SIZE
ubuntu 22.04 8a3cdc4d1ad3 3 weeks ago 77.9MB
ubuntu jammy 8a3cdc4d1ad3 3 weeks ago 77.9MB
ubuntu 24.04 35a88802559d 6 weeks ago 78.1MB
ubuntu 24.04 8a3cdc4d1ad3 3 weeks ago 77.9MB
ubuntu noble 8a3cdc4d1ad3 3 weeks ago 77.9MB
ubuntu 26.04 35a88802559d 6 weeks ago 78.1MB
ubuntu latest 35a88802559d 6 weeks ago 78.1MB
ubuntu noble 35a88802559d 6 weeks ago 78.1MB
ubuntu resolute 35a88802559d 6 weeks ago 78.1MB
```
### Cancel a pull
docs/reference/commandline/service_create.md
+1 -1
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@@ -706,7 +706,7 @@ follows:
| `node.platform.os` | Node operating system | `node.platform.os==windows` |
| `node.platform.arch` | Node architecture | `node.platform.arch==x86_64` |
| `node.labels` | User-defined node labels | `node.labels.security==high` |
| `engine.labels` | Docker Engine's labels | `engine.labels.operatingsystem==ubuntu-24.04` |
| `engine.labels` | Docker Engine's labels | `engine.labels.operatingsystem==ubuntu-26.04` |
`engine.labels` apply to Docker Engine labels like operating system, drivers,
etc. Swarm administrators add `node.labels` for operational purposes by using
docs/reference/commandline/system_events.md
+2 -2
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@@ -339,8 +339,8 @@ $ docker events --filter 'type=network'
$ docker events --filter 'container=container_1' --filter 'container=container_2'
2014-09-03T15:49:29.999999999Z07:00 container die 4386fb97867d (image=ubuntu:24.04)
2014-05-10T17:42:14.999999999Z07:00 container stop 4386fb97867d (image=ubuntu:24.04)
2014-09-03T15:49:29.999999999Z07:00 container die 4386fb97867d (image=ubuntu:26.04)
2014-05-10T17:42:14.999999999Z07:00 container stop 4386fb97867d (image=ubuntu:26.04)
2014-05-10T17:42:14.999999999Z07:00 container die 7805c1d35632 (imager=redis:7.2)
2014-09-03T15:49:29.999999999Z07:00 container stop 7805c1d35632 (image=redis:7.2)
docs/reference/run.md
+19 -19
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@@ -35,7 +35,7 @@ reference to create or run a container based on an image.
An image tag is the image version, which defaults to `latest` when omitted. Use
the tag to run a container from specific version of an image. For example, to
run version `24.04` of the `ubuntu` image: `docker run ubuntu:24.04`.
run version `26.04` of the `ubuntu` image: `docker run ubuntu:26.04`.
#### Image digests
@@ -406,14 +406,14 @@ We have four ways to set user memory usage:
Examples:
```console
$ docker run -it ubuntu:24.04 /bin/bash
$ docker run -it ubuntu:26.04 /bin/bash
```
We set nothing about memory, this means the processes in the container can use
as much memory and swap memory as they need.
```console
$ docker run -it -m 300M --memory-swap -1 ubuntu:24.04 /bin/bash
$ docker run -it -m 300M --memory-swap -1 ubuntu:26.04 /bin/bash
```
We set memory limit and disabled swap memory limit, this means the processes in
@@ -421,7 +421,7 @@ the container can use 300M memory and as much swap memory as they need (if the
host supports swap memory).
```console
$ docker run -it -m 300M ubuntu:24.04 /bin/bash
$ docker run -it -m 300M ubuntu:26.04 /bin/bash
```
We set memory limit only, this means the processes in the container can use
@@ -430,7 +430,7 @@ We set memory limit only, this means the processes in the container can use
would be 2*300M, so processes can use 300M swap memory as well.
```console
$ docker run -it -m 300M --memory-swap 1G ubuntu:24.04 /bin/bash
$ docker run -it -m 300M --memory-swap 1G ubuntu:26.04 /bin/bash
```
We set both memory and swap memory, so the processes in the container can use
@@ -456,7 +456,7 @@ The following example limits the memory (`-m`) to 500M and sets the memory
reservation to 200M.
```console
$ docker run -it -m 500M --memory-reservation 200M ubuntu:24.04 /bin/bash
$ docker run -it -m 500M --memory-reservation 200M ubuntu:26.04 /bin/bash
```
Under this configuration, when the container consumes memory more than 200M and
@@ -466,7 +466,7 @@ memory below 200M.
The following example set memory reservation to 1G without a hard memory limit.
```console
$ docker run -it --memory-reservation 1G ubuntu:24.04 /bin/bash
$ docker run -it --memory-reservation 1G ubuntu:26.04 /bin/bash
```
The container can use as much memory as it needs. The memory reservation setting
@@ -484,13 +484,13 @@ The following example limits the memory to 100M and disables the OOM killer for
this container:
```console
$ docker run -it -m 100M --oom-kill-disable ubuntu:24.04 /bin/bash
$ docker run -it -m 100M --oom-kill-disable ubuntu:26.04 /bin/bash
```
The following example, illustrates a dangerous way to use the flag:
```console
$ docker run -it --oom-kill-disable ubuntu:24.04 /bin/bash
$ docker run -it --oom-kill-disable ubuntu:26.04 /bin/bash
```
The container has unlimited memory which can cause the host to run out memory
@@ -510,7 +510,7 @@ between 0 and 100. A value of 0 turns off anonymous page swapping. A value of
For example, you can set:
```console
$ docker run -it --memory-swappiness=0 ubuntu:24.04 /bin/bash
$ docker run -it --memory-swappiness=0 ubuntu:26.04 /bin/bash
```
Setting the `--memory-swappiness` option is helpful when you want to retain the
@@ -561,7 +561,7 @@ And usually `--cpu-period` should work with `--cpu-quota`.
Examples:
```console
$ docker run -it --cpu-period=50000 --cpu-quota=25000 ubuntu:24.04 /bin/bash
$ docker run -it --cpu-period=50000 --cpu-quota=25000 ubuntu:26.04 /bin/bash
```
If there is 1 CPU, this means the container can get 50% CPU worth of run-time every 50ms.
@@ -582,13 +582,13 @@ We can set cpus in which to allow execution for containers.
Examples:
```console
$ docker run -it --cpuset-cpus="1,3" ubuntu:24.04 /bin/bash
$ docker run -it --cpuset-cpus="1,3" ubuntu:26.04 /bin/bash
```
This means processes in container can be executed on cpu 1 and cpu 3.
```console
$ docker run -it --cpuset-cpus="0-2" ubuntu:24.04 /bin/bash
$ docker run -it --cpuset-cpus="0-2" ubuntu:26.04 /bin/bash
```
This means processes in container can be executed on cpu 0, cpu 1 and cpu 2.
@@ -599,14 +599,14 @@ on NUMA systems.
Examples:
```console
$ docker run -it --cpuset-mems="1,3" ubuntu:24.04 /bin/bash
$ docker run -it --cpuset-mems="1,3" ubuntu:26.04 /bin/bash
```
This example restricts the processes in the container to only use memory from
memory nodes 1 and 3.
```console
$ docker run -it --cpuset-mems="0-2" ubuntu:24.04 /bin/bash
$ docker run -it --cpuset-mems="0-2" ubuntu:26.04 /bin/bash
```
This example restricts the processes in the container to only use memory from
@@ -637,8 +637,8 @@ For example, the commands below create two containers with different blkio
weight:
```console
$ docker run -it --name c1 --blkio-weight 300 ubuntu:24.04 /bin/bash
$ docker run -it --name c2 --blkio-weight 600 ubuntu:24.04 /bin/bash
$ docker run -it --name c1 --blkio-weight 300 ubuntu:26.04 /bin/bash
$ docker run -it --name c2 --blkio-weight 600 ubuntu:26.04 /bin/bash
```
If you do block IO in the two containers at the same time, by, for example:
@@ -854,11 +854,11 @@ For interacting with the network stack, instead of using `--privileged` they
should use `--cap-add=NET_ADMIN` to modify the network interfaces.
```console
$ docker run -it --rm ubuntu:24.04 ip link add dummy0 type dummy
$ docker run -it --rm ubuntu:26.04 ip link add dummy0 type dummy
RTNETLINK answers: Operation not permitted
$ docker run -it --rm --cap-add=NET_ADMIN ubuntu:24.04 ip link add dummy0 type dummy
$ docker run -it --rm --cap-add=NET_ADMIN ubuntu:26.04 ip link add dummy0 type dummy
```
To mount a FUSE based filesystem, you need to combine both `--cap-add` and
man/src/container/ls.md
+2 -2
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@@ -48,10 +48,10 @@ Valid placeholders for the Go template are listed below:
$ docker container ls -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
a87ecb4f327c ubuntu:24.04 /bin/sh -c #(nop) MA 20 minutes ago Exit 0 desperate_brattain
a87ecb4f327c ubuntu:26.04 /bin/sh -c #(nop) MA 20 minutes ago Exit 0 desperate_brattain
01946d9d34d8 busybox /bin/sh -c #(nop) MA 33 minutes ago Exit 0 thirsty_bell
c1d3b0166030 acffc0358b9e /bin/sh -c yum -y up 2 weeks ago Exit 1 determined_torvalds
41d50ecd2f57 ubuntu:24.04 /bin/sh -c #(nop) MA 2 weeks ago Exit 0 drunk_pike
41d50ecd2f57 ubuntu:26.04 /bin/sh -c #(nop) MA 2 weeks ago Exit 0 drunk_pike
## Display only IDs of all containers, including non-running
man/src/image/ls.md
+1 -1
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@@ -10,7 +10,7 @@ The title REPOSITORY for the first title may seem confusing. It is essentially
the image name. However, because you can tag a specific image, and multiple tags
(image instances) can be associated with a single name, the name is really a
repository for all tagged images of the same name. For example consider an image
called ubuntu. It may be tagged with 24.04 or 22.04, etc. to manage different
called ubuntu. It may be tagged with 26.04 or 24.04, etc. to manage different
versions.
## Filters
man/src/image/pull.md
+11 -11
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@@ -64,8 +64,8 @@ in the online documentation.
So far, you've pulled images by their name (and "tag"). Using names and tags is
a convenient way to work with images. When using tags, you can `docker image pull` an
image again to make sure you have the most up-to-date version of that image.
For example, `docker image pull ubuntu:24.04` pulls the latest version of the Ubuntu
24.04 image.
For example, `docker image pull ubuntu:26.04` pulls the latest version of the Ubuntu
26.04 image.
In some cases you don't want images to be updated to newer versions, but prefer
to use a fixed version of an image. Docker enables you to pull an image by its
@@ -74,15 +74,15 @@ of an image to pull. Doing so, allows you to "pin" an image to that version,
and guarantee that the image you're using is always the same.
To know the digest of an image, pull the image first. Let's pull the latest
`ubuntu:24.04` image from Docker Hub:
`ubuntu:26.04` image from Docker Hub:
$ docker image pull ubuntu:24.04
$ docker image pull ubuntu:26.04
24.04: Pulling from library/ubuntu
26.04: Pulling from library/ubuntu
125a6e411906: Pull complete
Digest: sha256:2e863c44b718727c860746568e1d54afd13b2fa71b160f5cd9058fc436217b30
Status: Downloaded newer image for ubuntu:24.04
docker.io/library/ubuntu:24.04
Status: Downloaded newer image for ubuntu:26.04
docker.io/library/ubuntu:26.04
Docker prints the digest of the image after the pull has finished. In the example
above, the digest of the image is:
@@ -159,11 +159,11 @@ images that are present locally:
$ docker image ls --filter reference=ubuntu
REPOSITORY TAG IMAGE ID CREATED SIZE
ubuntu 22.04 8a3cdc4d1ad3 3 weeks ago 77.9MB
ubuntu jammy 8a3cdc4d1ad3 3 weeks ago 77.9MB
ubuntu 24.04 35a88802559d 6 weeks ago 78.1MB
ubuntu 24.04 8a3cdc4d1ad3 3 weeks ago 77.9MB
ubuntu noble 8a3cdc4d1ad3 3 weeks ago 77.9MB
ubuntu 26.04 35a88802559d 6 weeks ago 78.1MB
ubuntu latest 35a88802559d 6 weeks ago 78.1MB
ubuntu noble 35a88802559d 6 weeks ago 78.1MB
ubuntu resolute 35a88802559d 6 weeks ago 78.1MB
## Cancel a pull
man/src/system/events.md
+9 -9
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@@ -62,8 +62,8 @@ The following example outputs all events that were generated in the last 3 minut
relative to the current time on the client machine:
# docker events --since '3m'
2015-05-12T11:51:30.999999999Z07:00 4386fb97867d: (from ubuntu:24.04) die
2015-05-12T15:52:12.999999999Z07:00 4386fb97867d: (from ubuntu:24.04) stop
2015-05-12T11:51:30.999999999Z07:00 4386fb97867d: (from ubuntu:26.04) die
2015-05-12T15:52:12.999999999Z07:00 4386fb97867d: (from ubuntu:26.04) stop
2015-05-12T15:53:45.999999999Z07:00 7805c1d35632: (from redis:7.2) die
2015-05-12T15:54:03.999999999Z07:00 7805c1d35632: (from redis:7.2) stop
@@ -97,21 +97,21 @@ Lines. For information about JSON Lines, refer to https://jsonlines.org .
## Filters
$ docker events --filter 'event=stop'
2014-05-10T17:42:14.999999999Z07:00 container stop 4386fb97867d (image=ubuntu:24.04)
2014-05-10T17:42:14.999999999Z07:00 container stop 4386fb97867d (image=ubuntu:26.04)
2014-09-03T17:42:14.999999999Z07:00 container stop 7805c1d35632 (image=redis:7.2)
$ docker events --filter 'image=ubuntu:24.04'
2014-05-10T17:42:14.999999999Z07:00 container start 4386fb97867d (image=ubuntu:24.04)
2014-05-10T17:42:14.999999999Z07:00 container die 4386fb97867d (image=ubuntu:24.04)
2014-05-10T17:42:14.999999999Z07:00 container stop 4386fb97867d (image=ubuntu:24.04)
$ docker events --filter 'image=ubuntu:26.04'
2014-05-10T17:42:14.999999999Z07:00 container start 4386fb97867d (image=ubuntu:26.04)
2014-05-10T17:42:14.999999999Z07:00 container die 4386fb97867d (image=ubuntu:26.04)
2014-05-10T17:42:14.999999999Z07:00 container stop 4386fb97867d (image=ubuntu:26.04)
$ docker events --filter 'container=7805c1d35632'
2014-05-10T17:42:14.999999999Z07:00 container die 7805c1d35632 (image=redis:7.2)
2014-09-03T15:49:29.999999999Z07:00 container stop 7805c1d35632 (image= redis:7.2)
$ docker events --filter 'container=7805c1d35632' --filter 'container=4386fb97867d'
2014-09-03T15:49:29.999999999Z07:00 container die 4386fb97867d (image=ubuntu:24.04)
2014-05-10T17:42:14.999999999Z07:00 container stop 4386fb97867d (image=ubuntu:24.04)
2014-09-03T15:49:29.999999999Z07:00 container die 4386fb97867d (image=ubuntu:26.04)
2014-05-10T17:42:14.999999999Z07:00 container stop 4386fb97867d (image=ubuntu:26.04)
2014-05-10T17:42:14.999999999Z07:00 container die 7805c1d35632 (image=redis:7.2)
2014-09-03T15:49:29.999999999Z07:00 container stop 7805c1d35632 (image=redis:7.2)
man/src/system/info.md
+2 -2
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@@ -71,8 +71,8 @@ Server:
seccomp
Profile: builtin
cgroupns
Kernel Version: 5.15.0-25-generic
Operating System: Ubuntu 22.04 LTS
Kernel Version: 6.8.0-31-generic
Operating System: Ubuntu 24.04 LTS
OSType: linux
Architecture: x86_64
CPUs: 1