README: Update for 27, split out install-inside
This commit is contained in:
Colin Walters
parent
805318e695
commit
624628ed59
|
|
@ -0,0 +1,70 @@
|
|||
Installing *inside* an existing system
|
||||
---------------------------------------
|
||||
|
||||
A really neat feature of OSTree is that you can
|
||||
*parallel install* inside your existing OS. Let's try that, we
|
||||
first make sure we have the ostree packages:
|
||||
|
||||
```
|
||||
yum -y install ostree ostree-grub2
|
||||
```
|
||||
|
||||
Next, we add `/ostree/repo` to the filesystem:
|
||||
```
|
||||
ostree admin init-fs /
|
||||
```
|
||||
|
||||
Add a remote which points to the Fedora Rawhide content:
|
||||
```
|
||||
ostree remote add --set=gpg-verify=false fedora-ws-rawhide https://kojipkgs.fedoraproject.org/compose/ostree/rawhide/
|
||||
```
|
||||
|
||||
Pull down the content (you can interrupt and restart this):
|
||||
```
|
||||
ostree --repo=/ostree/repo pull fedora-ws-rawhide:fedora/rawhide/x86_64/workstation
|
||||
```
|
||||
|
||||
Initialize an "os" for this, which acts as a state root.
|
||||
```
|
||||
ostree admin os-init fedora
|
||||
```
|
||||
|
||||
**For EFI systems**: currently ostree uses the presence of /boot/grub2/grub.cfg to detect a BIOS system,
|
||||
but that can be present on systems booted with EFI as well. If you boot with EFI
|
||||
(/sys/firmware/efi exists), then you need to move /boot/grub2/grub.cfg aside:
|
||||
```
|
||||
mv /boot/grub2/grub.cfg /boot/grub2/grub.cfg.bak
|
||||
```
|
||||
Since this file is not used on a EFI system, this won't break the operation of your current system. While you are at it, back up your existing grub config:
|
||||
```
|
||||
cp /boot/efi/EFI/fedora/grub.cfg /boot/efi/EFI/fedora/grub.cfg.bak
|
||||
```
|
||||
|
||||
Deploy; we use `enforcing=0` to avoid SELinux issues for now, and --karg=rghb=0 to avoid a hang with Plymouth (these aren't needed if deploying Fedora 26 currently).
|
||||
```
|
||||
ostree admin deploy --os=fedora --karg-proc-cmdline --karg=enforcing=0 --karg=rhgb=0 fedora-ws-rawhide:fedora/rawhide/x86_64/workstation
|
||||
```
|
||||
|
||||
To initialize this root, you'll need to copy over your `/etc/fstab`, `/etc/locale.conf`, `/etc/default/grub` at least, along with the ostree remote that we added:
|
||||
```
|
||||
for i in /etc/fstab /etc/default/grub /etc/locale.conf /etc/ostree/remotes.d/fedora-ws-rawhide.conf ; do cp $i /ostree/deploy/fedora/deploy/$checksum.0/$i; done
|
||||
```
|
||||
If you have a separate `/home` mount point, you'll need to change
|
||||
that `fstab` copy to refer to `/var/home`. If you *don't* have a separate /home mount
|
||||
point, then you need to make sure that a symlink will be created:
|
||||
```
|
||||
echo 'L /var/home - - - - ../sysroot/home' > /ostree/deploy/fedora/deploy/$checksum.0/etc/tmpfiles.d/00rpm-ostree.conf
|
||||
```
|
||||
|
||||
You'll also need to copy your user entry from `/etc/passwd`, `/etc/group`,
|
||||
and `/etc/shadow` into the new `/etc/`, and add yourself to the wheel group
|
||||
in `/etc/group`. Don't copy just copy these files literally, however, since
|
||||
the system users and groups won't be the same.
|
||||
|
||||
**For BIOS systems**: while ostree regenerated the bootloader configuration,
|
||||
it writes config into `/boot/loader/grub.cfg`. On a current `grubby`
|
||||
system, you'll need to copy that version over:
|
||||
|
||||
```
|
||||
cp /boot/loader/grub.cfg /boot/grub2/grub.cfg
|
||||
```
|
||||
134
README.md
134
README.md
|
|
@ -20,120 +20,33 @@ This project is actively maintained and is ready for use
|
|||
by sophisticated and interested users, but not ready
|
||||
for widespread promotion.
|
||||
|
||||
Updates not currently generated for Fedora 26
|
||||
--------------------------------------------------------
|
||||
Installing
|
||||
------------
|
||||
|
||||
If you choose Fedora 26, note that Fedora is not currently
|
||||
shipping updates. For that, see [atomic-ws](https://pagure.io/atomic-ws).
|
||||
There are ISOs available for [Fedora 27](https://dl.fedoraproject.org/pub/fedora/linux/releases/27/WorkstationOstree/x86_64/iso/).
|
||||
|
||||
Installing (do not use partitioning defaults!)
|
||||
----------
|
||||
|
||||
Important! *Don't* choose auto-partitioning in the below installer ISO; you
|
||||
currently can't use a separate `/home` partition, and Anaconda defaults to that.
|
||||
This will be fixed in Fedora 27; see
|
||||
this [known issue](https://bugzilla.redhat.com/show_bug.cgi?id=1382873) as
|
||||
well as [this anaconda PR](https://github.com/rhinstaller/anaconda/pull/1124).
|
||||
|
||||
There are ISOs available for [Fedora 26](https://kojipkgs.fedoraproject.org/compose/26/)
|
||||
[direct link](https://kojipkgs.fedoraproject.org/compose//26/latest-Fedora-26/compose/Workstation/x86_64/iso/Fedora-Workstation-ostree-x86_64-26-1.5.iso)
|
||||
and [rawhide](https://kojipkgs.fedoraproject.org/compose//rawhide/).
|
||||
Alternatively, see a guide for [installing inside an existing system](README-install-inside.md).
|
||||
|
||||
Important issues:
|
||||
-----------------------
|
||||
|
||||
- [Anaconda autopartitoning](https://github.com/rhinstaller/anaconda/issues/800) - be sure to use `/var/home` instead of `/home`
|
||||
- [flatpak system repo](https://github.com/flatpak/flatpak/issues/113#issuecomment-247022006)
|
||||
|
||||
Installing *inside* an existing system
|
||||
---------------------------------------
|
||||
|
||||
A really neat feature of OSTree is that you can
|
||||
*parallel install* inside your existing OS. Let's try that, we
|
||||
first make sure we have the ostree packages:
|
||||
|
||||
```
|
||||
yum -y install ostree ostree-grub2
|
||||
```
|
||||
|
||||
Next, we add `/ostree/repo` to the filesystem:
|
||||
```
|
||||
ostree admin init-fs /
|
||||
```
|
||||
|
||||
Add a remote which points to the Fedora Rawhide content:
|
||||
```
|
||||
ostree remote add --set=gpg-verify=false fedora-ws-rawhide https://kojipkgs.fedoraproject.org/compose/ostree/rawhide/
|
||||
```
|
||||
|
||||
Pull down the content (you can interrupt and restart this):
|
||||
```
|
||||
ostree --repo=/ostree/repo pull fedora-ws-rawhide:fedora/rawhide/x86_64/workstation
|
||||
```
|
||||
|
||||
Initialize an "os" for this, which acts as a state root.
|
||||
```
|
||||
ostree admin os-init fedora
|
||||
```
|
||||
|
||||
**For EFI systems**: currently ostree uses the presence of /boot/grub2/grub.cfg to detect a BIOS system,
|
||||
but that can be present on systems booted with EFI as well. If you boot with EFI
|
||||
(/sys/firmware/efi exists), then you need to move /boot/grub2/grub.cfg aside:
|
||||
```
|
||||
mv /boot/grub2/grub.cfg /boot/grub2/grub.cfg.bak
|
||||
```
|
||||
Since this file is not used on a EFI system, this won't break the operation of your current system. While you are at it, back up your existing grub config:
|
||||
```
|
||||
cp /boot/efi/EFI/fedora/grub.cfg /boot/efi/EFI/fedora/grub.cfg.bak
|
||||
```
|
||||
|
||||
Deploy; we use `enforcing=0` to avoid SELinux issues for now, and --karg=rghb=0 to avoid a hang with Plymouth (these aren't needed if deploying Fedora 26 currently).
|
||||
```
|
||||
ostree admin deploy --os=fedora --karg-proc-cmdline --karg=enforcing=0 --karg=rhgb=0 fedora-ws-rawhide:fedora/rawhide/x86_64/workstation
|
||||
```
|
||||
|
||||
To initialize this root, you'll need to copy over your `/etc/fstab`, `/etc/locale.conf`, `/etc/default/grub` at least, along with the ostree remote that we added:
|
||||
```
|
||||
for i in /etc/fstab /etc/default/grub /etc/locale.conf /etc/ostree/remotes.d/fedora-ws-rawhide.conf ; do cp $i /ostree/deploy/fedora/deploy/$checksum.0/$i; done
|
||||
```
|
||||
If you have a separate `/home` mount point, you'll need to change
|
||||
that `fstab` copy to refer to `/var/home`. If you *don't* have a separate /home mount
|
||||
point, then you need to make sure that a symlink will be created:
|
||||
```
|
||||
echo 'L /var/home - - - - ../sysroot/home' > /ostree/deploy/fedora/deploy/$checksum.0/etc/tmpfiles.d/00rpm-ostree.conf
|
||||
```
|
||||
|
||||
You'll also need to copy your user entry from `/etc/passwd`, `/etc/group`,
|
||||
and `/etc/shadow` into the new `/etc/`, and add yourself to the wheel group
|
||||
in `/etc/group`. Don't copy just copy these files literally, however, since
|
||||
the system users and groups won't be the same.
|
||||
|
||||
**For BIOS systems**: while ostree regenerated the bootloader configuration,
|
||||
it writes config into `/boot/loader/grub.cfg`. On a current `grubby`
|
||||
system, you'll need to copy that version over:
|
||||
|
||||
```
|
||||
cp /boot/loader/grub.cfg /boot/grub2/grub.cfg
|
||||
```
|
||||
|
||||
Migrating between OSTree repos
|
||||
-------------------------------------
|
||||
|
||||
Enable the 26/27 remotes:
|
||||
```
|
||||
ostree remote add --if-not-exists --gpg-import /etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-26-primary fedora-ws-26 https://kojipkgs.fedoraproject.org/compose/ostree/26
|
||||
ostree remote add --if-not-exists --gpg-import /etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-27-primary fedora-ws-27 https://kojipkgs.fedoraproject.org/compose/ostree/rawhide
|
||||
```
|
||||
Rebase to rawhide:
|
||||
```
|
||||
rpm-ostree rebase fedora-ws-27:fedora/rawhide/x86_64/workstation
|
||||
```
|
||||
|
||||
Using the system
|
||||
--------------------
|
||||
|
||||
First, try out `rpm-ostree install` to layer additional packages. For example,
|
||||
`rpm-ostree install powerline`.
|
||||
One of the first things you should do use is use a container runtime of your
|
||||
choice to manage one or more "pet" containers. This is where you will use
|
||||
`yum/dnf` to install utilities.
|
||||
|
||||
With `docker` for example, you can use the `-v /srv:/srv` command line option so
|
||||
these containers can share content with your host (such as git repositories).
|
||||
Note that if you want to share content between multiple Docker containers and
|
||||
the host (e.g. your desktop session), you should execute (once):
|
||||
|
||||
```
|
||||
sudo chcon -R -h -t container_file_t /var/srv
|
||||
```
|
||||
|
||||
Next, let's try flatpak. Before you do: There's a known flatpak issue on
|
||||
AtomicWS - run [this workaround](https://github.com/flatpak/flatpak/issues/113#issuecomment-247022006),
|
||||
|
|
@ -143,15 +56,12 @@ If you are a developer for server applications,
|
|||
try [oc cluster up](https://github.com/openshift/origin/blob/master/docs/cluster_up_down.md) to
|
||||
create a local OpenShift v3 cluster.
|
||||
|
||||
Finally, you'll likely want to make one or more "pet" Docker containers,
|
||||
potentially privileged, and use `dnf/yum` inside these. You can use e.g. `-v
|
||||
/srv:/srv` so these containers can share content with your host (such as git
|
||||
repositories). Note that if you want to share content between multiple Docker
|
||||
containers and the host (e.g. your desktop session), you should execute (once):
|
||||
|
||||
```
|
||||
sudo chcon -R -h -t container_file_t /var/srv
|
||||
```
|
||||
Finally, try out `rpm-ostree install` to layer additional packages directly on
|
||||
the host. This is needed for "host extensions" - privileged software that
|
||||
doesn't make sense to live in a container. For example, `rpm-ostree install
|
||||
powerline` to use that software for the shell prompts of the host. Another
|
||||
good example is `rpm-ostree install vagrant-libvirt` to use [Vagrant](https://www.vagrantup.com/)
|
||||
to manage VMs.
|
||||
|
||||
Future work
|
||||
-----------
|
||||
|
|
|
|||
Loading…
Reference in New Issue