Undocumented --read-environment in ifup/ifdown/ifquery
Clash Royale CLAN TAG#URR8PPP
I read Debian's systemd network startup units and found that
each of ifup/ifdown/ifquery is run with --read-environment, but
I cannot find this option in man. Could any one point to a description of this thing?
K.
linux debian networking
asked Jan 21 '17 at 19:53
KamilKamil
4811519
add a comment |
I read Debian's systemd network startup units and found that
each of ifup/ifdown/ifquery is run with --read-environment, but
I cannot find this option in man. Could any one point to a description of this thing?
K.
linux debian networking
asked Jan 21 '17 at 19:53
KamilKamil
4811519
add a comment |
I read Debian's systemd network startup units and found that
each of ifup/ifdown/ifquery is run with --read-environment, but
I cannot find this option in man. Could any one point to a description of this thing?
K.
linux debian networking
asked Jan 21 '17 at 19:53
KamilKamil
4811519
I read Debian's systemd network startup units and found that
each of ifup/ifdown/ifquery is run with --read-environment, but
I cannot find this option in man. Could any one point to a description of this thing?
K.
linux debian networking
linux debian networking
asked Jan 21 '17 at 19:53
KamilKamil
4811519
asked Jan 21 '17 at 19:53
KamilKamil
4811519
asked Jan 21 '17 at 19:53
KamilKamil
4811519
asked Jan 21 '17 at 19:53
KamilKamil
4811519
asked Jan 21 '17 at 19:53
KamilKamil
4811519
4811519
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
These are Debian's tweaks to let SysV init script settings from /etc/default/networking apply to systemd service file.
Namely:
- CONFIGURE_INTERFACES which disables interfaces configuration on boot
if set to "no". - EXCLUDE_INTERFACES, a list of interfaces to exclude from
configuration on boot (shell wildcards available). - VERBOSE set to 'yes' for extra messages.
They are undocumented as internals to the integration of ifupdown into systemd.
source:
Read /etc/default/networking when started from systemd. Closes: #806883
Add an undocumented --read-environment option which will cause the
VERBOSE, CONFIGURE_INTERFACES and EXCLUDE_INTERFACES environment
variables to be read and act in the same way as with ifupdown's SysV
init script. This allows the use of
EnvironmentFile=-/etc/default/networking in the systemd service file.
edited Jan 3 at 14:20
Stephen Kitt
167k24373452
answered Jul 4 '17 at 0:22
Alban BrowaeysAlban Browaeys
111
add a comment |
Your Answer
StackExchange.ready(function()
var channelOptions =
tags: "".split(" "),
id: "106"
;
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function()
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled)
StackExchange.using("snippets", function()
createEditor();
);
else
createEditor();
);
function createEditor()
StackExchange.prepareEditor(
heartbeatType: 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: false,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: null,
bindNavPrevention: true,
postfix: "",
imageUploader:
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
,
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
);
);
Sign up or log in
StackExchange.ready(function ()
StackExchange.helpers.onClickDraftSave('#login-link');
);
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function ()
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2funix.stackexchange.com%2fquestions%2f339189%2fundocumented-read-environment-in-ifup-ifdown-ifquery%23new-answer', 'question_page');
);
Post as a guest
Required, but never shown
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
These are Debian's tweaks to let SysV init script settings from /etc/default/networking apply to systemd service file.
Namely:
- CONFIGURE_INTERFACES which disables interfaces configuration on boot
if set to "no". - EXCLUDE_INTERFACES, a list of interfaces to exclude from
configuration on boot (shell wildcards available). - VERBOSE set to 'yes' for extra messages.
They are undocumented as internals to the integration of ifupdown into systemd.
source:
Read /etc/default/networking when started from systemd. Closes: #806883
Add an undocumented --read-environment option which will cause the
VERBOSE, CONFIGURE_INTERFACES and EXCLUDE_INTERFACES environment
variables to be read and act in the same way as with ifupdown's SysV
init script. This allows the use of
EnvironmentFile=-/etc/default/networking in the systemd service file.
edited Jan 3 at 14:20
Stephen Kitt
167k24373452
answered Jul 4 '17 at 0:22
Alban BrowaeysAlban Browaeys
111
add a comment |
These are Debian's tweaks to let SysV init script settings from /etc/default/networking apply to systemd service file.
Namely:
- CONFIGURE_INTERFACES which disables interfaces configuration on boot
if set to "no". - EXCLUDE_INTERFACES, a list of interfaces to exclude from
configuration on boot (shell wildcards available). - VERBOSE set to 'yes' for extra messages.
They are undocumented as internals to the integration of ifupdown into systemd.
source:
Read /etc/default/networking when started from systemd. Closes: #806883
Add an undocumented --read-environment option which will cause the
VERBOSE, CONFIGURE_INTERFACES and EXCLUDE_INTERFACES environment
variables to be read and act in the same way as with ifupdown's SysV
init script. This allows the use of
EnvironmentFile=-/etc/default/networking in the systemd service file.
edited Jan 3 at 14:20
Stephen Kitt
167k24373452
answered Jul 4 '17 at 0:22
Alban BrowaeysAlban Browaeys
111
add a comment |
These are Debian's tweaks to let SysV init script settings from /etc/default/networking apply to systemd service file.
Namely:
- CONFIGURE_INTERFACES which disables interfaces configuration on boot
if set to "no". - EXCLUDE_INTERFACES, a list of interfaces to exclude from
configuration on boot (shell wildcards available). - VERBOSE set to 'yes' for extra messages.
They are undocumented as internals to the integration of ifupdown into systemd.
source:
Read /etc/default/networking when started from systemd. Closes: #806883
Add an undocumented --read-environment option which will cause the
VERBOSE, CONFIGURE_INTERFACES and EXCLUDE_INTERFACES environment
variables to be read and act in the same way as with ifupdown's SysV
init script. This allows the use of
EnvironmentFile=-/etc/default/networking in the systemd service file.
edited Jan 3 at 14:20
Stephen Kitt
167k24373452
answered Jul 4 '17 at 0:22
Alban BrowaeysAlban Browaeys
111
These are Debian's tweaks to let SysV init script settings from /etc/default/networking apply to systemd service file.
Namely:
- CONFIGURE_INTERFACES which disables interfaces configuration on boot
if set to "no". - EXCLUDE_INTERFACES, a list of interfaces to exclude from
configuration on boot (shell wildcards available). - VERBOSE set to 'yes' for extra messages.
They are undocumented as internals to the integration of ifupdown into systemd.
source:
Read /etc/default/networking when started from systemd. Closes: #806883
Add an undocumented --read-environment option which will cause the
VERBOSE, CONFIGURE_INTERFACES and EXCLUDE_INTERFACES environment
variables to be read and act in the same way as with ifupdown's SysV
init script. This allows the use of
EnvironmentFile=-/etc/default/networking in the systemd service file.
edited Jan 3 at 14:20
Stephen Kitt
167k24373452
answered Jul 4 '17 at 0:22
Alban BrowaeysAlban Browaeys
111
edited Jan 3 at 14:20
Stephen Kitt
167k24373452
edited Jan 3 at 14:20
Stephen Kitt
167k24373452
edited Jan 3 at 14:20
Stephen Kitt
167k24373452
167k24373452
answered Jul 4 '17 at 0:22
Alban BrowaeysAlban Browaeys
111
answered Jul 4 '17 at 0:22
Alban BrowaeysAlban Browaeys
111
answered Jul 4 '17 at 0:22
Alban BrowaeysAlban Browaeys
111
111
add a comment |
add a comment |
Thanks for contributing an answer to Unix & Linux Stack Exchange!
- Please be sure to answer the question. Provide details and share your research!
But avoid …
- Asking for help, clarification, or responding to other answers.
- Making statements based on opinion; back them up with references or personal experience.
To learn more, see our tips on writing great answers.
Sign up or log in
StackExchange.ready(function ()
StackExchange.helpers.onClickDraftSave('#login-link');
);
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function ()
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2funix.stackexchange.com%2fquestions%2f339189%2fundocumented-read-environment-in-ifup-ifdown-ifquery%23new-answer', 'question_page');
);
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function ()
StackExchange.helpers.onClickDraftSave('#login-link');
);
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function ()
StackExchange.helpers.onClickDraftSave('#login-link');
);
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function ()
StackExchange.helpers.onClickDraftSave('#login-link');
);
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
