| Message ID | c378b09452d1507e0f7c5de1c3d6543f2027b06e.1650613658.git.jan.kiszka@siemens.com (mailing list archive) |
|---|---|
| State | Handled Elsewhere |
| Headers | show |
| Series | Fix read-only rootfs setup /wrt etc overlay - and more | expand |
On 4/22/22 09:47, Jan Kiszka wrote: > From: Jan Kiszka <jan.kiszka@siemens.com> > > This is needed for read-only rootfs setups. We could also update the > account settings, but establishing a link comes with less surprises. > What happens if the /home mount fails? Does the system fall back to / ? This should be the behavior according to [1]. [1]: https://refspecs.linuxfoundation.org/FHS_3.0/fhs/ch03s14.html Quirin > Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> > --- > recipes-core/customizations/files/postinst | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/recipes-core/customizations/files/postinst b/recipes-core/customizations/files/postinst > index 9b553da..6ca309a 100644 > --- a/recipes-core/customizations/files/postinst > +++ b/recipes-core/customizations/files/postinst > @@ -17,3 +17,7 @@ echo "PermitRootLogin yes" >> /etc/ssh/sshd_config > HOSTNAME=demo > echo "$HOSTNAME" > /etc/hostname > echo "127.0.0.1 $HOSTNAME" >> /etc/hosts > + > +# needed for read-only rootfs with writable /home > +mv /root /home/ > +ln -s /home/root /root
On 22.04.22 14:22, Gylstorff Quirin wrote: > > > On 4/22/22 09:47, Jan Kiszka wrote: >> From: Jan Kiszka <jan.kiszka@siemens.com> >> >> This is needed for read-only rootfs setups. We could also update the >> account settings, but establishing a link comes with less surprises. >> > > What happens if the /home mount fails? Does the system fall back to / ? > > This should be the behavior according to [1]. > > [1]: https://refspecs.linuxfoundation.org/FHS_3.0/fhs/ch03s14.html Jup, managed to stress this during testing by first misspelling the link as "/homr/root". Jan
diff --git a/recipes-core/customizations/files/postinst b/recipes-core/customizations/files/postinst index 9b553da..6ca309a 100644 --- a/recipes-core/customizations/files/postinst +++ b/recipes-core/customizations/files/postinst @@ -17,3 +17,7 @@ echo "PermitRootLogin yes" >> /etc/ssh/sshd_config HOSTNAME=demo echo "$HOSTNAME" > /etc/hostname echo "127.0.0.1 $HOSTNAME" >> /etc/hosts + +# needed for read-only rootfs with writable /home +mv /root /home/ +ln -s /home/root /root