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spalling mostly
author
Ralph Ronnquist
<ralph.ronnquist@gmail.com>
Sun, 3 Apr 2022 11:42:23 +0000
(21:42 +1000)
committer
Ralph Ronnquist
<ralph.ronnquist@gmail.com>
Sun, 3 Apr 2022 11:42:23 +0000
(21:42 +1000)
overlay-boot.8.adoc
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diff --git
a/overlay-boot.8.adoc
b/overlay-boot.8.adoc
index b2a103299a5c690acbae5a1a0c5c44a6c570004d..e97a8e4676cad9d8da15cc23f55f5469923e9ce0 100644
(file)
--- a/
overlay-boot.8.adoc
+++ b/
overlay-boot.8.adoc
@@
-71,7
+71,7
@@
section on Networking below for more details.
INIT::
INIT::
-This variable is a command line to run, with envirnment variable
+This variable is a command line to run, with envir
o
nment variable
CONFIG set, for producing the initial commands to the running subhost,
similar to the initrd phase of a computer bootup. The default value
for this variable is +overlay-init+.
CONFIG set, for producing the initial commands to the running subhost,
similar to the initrd phase of a computer bootup. The default value
for this variable is +overlay-init+.
@@
-100,17
+100,21
@@
as UPPER.
*POSTMOUNT*::
*POSTMOUNT*::
-This variable is a command line to run, with envirnment variable
+This variable is a command line to run, with envir
o
nment variable
CONFIG set, just after the setup of the subhost root filesystem and
before the services are started. The default for this variable is
CONFIG set, just after the setup of the subhost root filesystem and
before the services are started. The default for this variable is
-+overlay-postmount+
++overlay-postmount+. Note that this command is executed within the
+mount namespace of the subhost, and still with the main host as root
+filesystem.
*PREMOUNT*::
*PREMOUNT*::
-This variable is a command line to run, with envirnment variable
+This variable is a command line to run, with envir
o
nment variable
CONFIG set, just before the setup of the subhost root filesystem and
before the services are started. The default for this variable is
CONFIG set, just before the setup of the subhost root filesystem and
before the services are started. The default for this variable is
-+overlay-premount+
++overlay-premount+ Note that this command is executed within the
+mount namespace of the subhost, and still with the main host as root
+filesystem.
*UPPER*::
*UPPER*::
@@
-123,8
+127,8
@@
as an overlay mount. In that case WORK (below) must be defined as a
directory outside of but on the same mount as UPPER.
+
If UPPER is the same as LOWER, then the subhost root filesystem is not
directory outside of but on the same mount as UPPER.
+
If UPPER is the same as LOWER, then the subhost root filesystem is not
-setup as an overla
. Rather it is set up as a bind mount,
if UPPER is
-different from LIVE, or just as a pre-mounted LIVE filesystem.
+setup as an overla
y. It Is rather set up either as a bind mount
if UPPER is
+different from LIVE, or just
taken
as a pre-mounted LIVE filesystem.
*WORK*::
*WORK*::