How can a docker container OS different be from host OS?How is Docker different from a virtual machine?How is Docker different from a virtual machine?How to list containers in DockerHow to get a Docker container's IP address from the host?How to remove old Docker containersHow to deal with persistent storage (e.g. databases) in DockerCopying files from Docker container to hostCopying files from host to Docker containerWhat is the difference between a Docker image and a container?How to copy Docker images from one host to another without using a repositoryFrom inside of a Docker container, how do I connect to the localhost of the machine?
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How can a docker container OS different be from host OS?
How is Docker different from a virtual machine?How is Docker different from a virtual machine?How to list containers in DockerHow to get a Docker container's IP address from the host?How to remove old Docker containersHow to deal with persistent storage (e.g. databases) in DockerCopying files from Docker container to hostCopying files from host to Docker containerWhat is the difference between a Docker image and a container?How to copy Docker images from one host to another without using a repositoryFrom inside of a Docker container, how do I connect to the localhost of the machine?
As I can see from docker's architecture at multiple sources including this, one can see containers have same OS as host OS but different namespaces. But I'm running an image on my docker (mac) with Ubuntu OS. How is this architecturally possible?
And how is this not Virtualization?
Host:
sw_vers
ProductName: Mac OS X
ProductVersion: 10.14.3
BuildVersion: 18D109
From container:
cat /etc/os-release
NAME="Ubuntu"
VERSION="16.04.3 LTS (Xenial Xerus)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 16.04.3 LTS"
VERSION_ID="16.04"
HOME_URL="http://www.ubuntu.com/"
SUPPORT_URL="http://help.ubuntu.com/"
BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"
VERSION_CODENAME=xenial
UBUNTU_CODENAME=xenial
docker
asked Mar 21 at 14:45
Sachin VermaSachin Verma
1,63252556
add a comment |
As I can see from docker's architecture at multiple sources including this, one can see containers have same OS as host OS but different namespaces. But I'm running an image on my docker (mac) with Ubuntu OS. How is this architecturally possible?
And how is this not Virtualization?
Host:
sw_vers
ProductName: Mac OS X
ProductVersion: 10.14.3
BuildVersion: 18D109
From container:
cat /etc/os-release
NAME="Ubuntu"
VERSION="16.04.3 LTS (Xenial Xerus)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 16.04.3 LTS"
VERSION_ID="16.04"
HOME_URL="http://www.ubuntu.com/"
SUPPORT_URL="http://help.ubuntu.com/"
BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"
VERSION_CODENAME=xenial
UBUNTU_CODENAME=xenial
docker
asked Mar 21 at 14:45
Sachin VermaSachin Verma
1,63252556
Possible duplicate of How is Docker different from a virtual machine?
– Matt B.
Mar 21 at 14:50
1
On a Mac a virtual machine is in fact involved.
– David Maze
Mar 21 at 15:05
@DavidMaze and for windows too?? Is docker made natively for linux only? Now I'm starting to get why it takes longer to start docker daemon on mac then linux. holy cow!!!
– Sachin Verma
Mar 21 at 15:42
add a comment |
As I can see from docker's architecture at multiple sources including this, one can see containers have same OS as host OS but different namespaces. But I'm running an image on my docker (mac) with Ubuntu OS. How is this architecturally possible?
And how is this not Virtualization?
Host:
sw_vers
ProductName: Mac OS X
ProductVersion: 10.14.3
BuildVersion: 18D109
From container:
cat /etc/os-release
NAME="Ubuntu"
VERSION="16.04.3 LTS (Xenial Xerus)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 16.04.3 LTS"
VERSION_ID="16.04"
HOME_URL="http://www.ubuntu.com/"
SUPPORT_URL="http://help.ubuntu.com/"
BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"
VERSION_CODENAME=xenial
UBUNTU_CODENAME=xenial
docker
asked Mar 21 at 14:45
Sachin VermaSachin Verma
1,63252556
As I can see from docker's architecture at multiple sources including this, one can see containers have same OS as host OS but different namespaces. But I'm running an image on my docker (mac) with Ubuntu OS. How is this architecturally possible?
And how is this not Virtualization?
Host:
sw_vers
ProductName: Mac OS X
ProductVersion: 10.14.3
BuildVersion: 18D109
From container:
cat /etc/os-release
NAME="Ubuntu"
VERSION="16.04.3 LTS (Xenial Xerus)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 16.04.3 LTS"
VERSION_ID="16.04"
HOME_URL="http://www.ubuntu.com/"
SUPPORT_URL="http://help.ubuntu.com/"
BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"
VERSION_CODENAME=xenial
UBUNTU_CODENAME=xenial
docker
docker
asked Mar 21 at 14:45
Sachin VermaSachin Verma
1,63252556
asked Mar 21 at 14:45
Sachin VermaSachin Verma
1,63252556
asked Mar 21 at 14:45
Sachin VermaSachin Verma
1,63252556
asked Mar 21 at 14:45
Sachin VermaSachin Verma
1,63252556
asked Mar 21 at 14:45
Sachin VermaSachin Verma
1,63252556
1,63252556
Possible duplicate of How is Docker different from a virtual machine?
– Matt B.
Mar 21 at 14:50
1
On a Mac a virtual machine is in fact involved.
– David Maze
Mar 21 at 15:05
@DavidMaze and for windows too?? Is docker made natively for linux only? Now I'm starting to get why it takes longer to start docker daemon on mac then linux. holy cow!!!
– Sachin Verma
Mar 21 at 15:42
add a comment |
Possible duplicate of How is Docker different from a virtual machine?
– Matt B.
Mar 21 at 14:50
1
On a Mac a virtual machine is in fact involved.
– David Maze
Mar 21 at 15:05
@DavidMaze and for windows too?? Is docker made natively for linux only? Now I'm starting to get why it takes longer to start docker daemon on mac then linux. holy cow!!!
– Sachin Verma
Mar 21 at 15:42
Possible duplicate of How is Docker different from a virtual machine?
– Matt B.
Mar 21 at 14:50
Possible duplicate of How is Docker different from a virtual machine?
– Matt B.
Mar 21 at 14:50
1
1
On a Mac a virtual machine is in fact involved.
– David Maze
Mar 21 at 15:05
On a Mac a virtual machine is in fact involved.
– David Maze
Mar 21 at 15:05
@DavidMaze and for windows too?? Is docker made natively for linux only? Now I'm starting to get why it takes longer to start docker daemon on mac then linux. holy cow!!!
– Sachin Verma
Mar 21 at 15:42
@DavidMaze and for windows too?? Is docker made natively for linux only? Now I'm starting to get why it takes longer to start docker daemon on mac then linux. holy cow!!!
– Sachin Verma
Mar 21 at 15:42
add a comment |
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Possible duplicate of How is Docker different from a virtual machine?
– Matt B.
Mar 21 at 14:50
1
On a Mac a virtual machine is in fact involved.
– David Maze
Mar 21 at 15:05
@DavidMaze and for windows too?? Is docker made natively for linux only? Now I'm starting to get why it takes longer to start docker daemon on mac then linux. holy cow!!!
– Sachin Verma
Mar 21 at 15:42