What does 'script /dev/null' do?Run bash script on startup in Linux Mint and open mate-terminal automaticallyttyUSB0 serial port crashes and locks, requires computer resetHow to make a comprehensive set of possibilities for defining GNU-screen “command characters”?How to switch to another screen to run git commands while resolving conflicts (blocking command)?Do I really need -dmS option in screen to run background job stably even log out?Screen session started from rc.local is not visible in screen -ls under rootSu as root and run command in one lineHow to send keystrokes before interactive shell to automate Linux serial port login with GNU screen?How to setup starting file location for a user using FTPDifference between >/dev/null 2>&1 & and </dev/null &>/dev/null &
Is there a familial term for apples and pears?
Eliminate empty elements from a list with a specific pattern
How can I fix this gap between bookcases I made?
Could Giant Ground Sloths have been a Good Pack Animal for the Ancient Mayans
How to move the player while also allowing forces to affect it
Unbreakable Formation vs. Cry of the Carnarium
What is the command to reset a PC without deleting any files
Does the average primeness of natural numbers tend to zero?
OA final episode explanation
Finding files for which a command fails
I see my dog run
COUNT(id) or MAX(id) - which is faster?
What are the advantages and disadvantages of running one shots compared to campaigns?
Why airport relocation isn't done gradually?
Extreme, but not acceptable situation and I can't start the work tomorrow morning
Could a US political party gain complete control over the government by removing checks & balances?
Can I legally use front facing blue light in the UK?
Synthetic Control Method
Lied on resume at previous job
What to wear for invited talk in Canada
How to answer pointed "are you quitting" questioning when I don't want them to suspect
Is it wise to focus on putting odd beats on left when playing double bass drums?
Where to refill my bottle in India?
What is GPS' 19 year rollover and does it present a cybersecurity issue?
What does 'script /dev/null' do?
Run bash script on startup in Linux Mint and open mate-terminal automaticallyttyUSB0 serial port crashes and locks, requires computer resetHow to make a comprehensive set of possibilities for defining GNU-screen “command characters”?How to switch to another screen to run git commands while resolving conflicts (blocking command)?Do I really need -dmS option in screen to run background job stably even log out?Screen session started from rc.local is not visible in screen -ls under rootSu as root and run command in one lineHow to send keystrokes before interactive shell to automate Linux serial port login with GNU screen?How to setup starting file location for a user using FTPDifference between >/dev/null 2>&1 & and </dev/null &>/dev/null &
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;
Every time I log into a VM with root, su into a user account, and try to use screen it throws an error:
Cannot open your terminal '/dev/pts/0' - please check.
A Stack Overflow post said I needed to use script /dev/null to fix it, and it works, but it still doesn't explain why I need to type script /dev/null. I would like to understand what it does and why I need to type it.
terminal gnu-screen su pty typescript
edited 4 hours ago
Jeff Schaller♦
44.7k1163145
asked 6 hours ago
CJLCJL
434
New contributor
CJL is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
Every time I log into a VM with root, su into a user account, and try to use screen it throws an error:
Cannot open your terminal '/dev/pts/0' - please check.
A Stack Overflow post said I needed to use script /dev/null to fix it, and it works, but it still doesn't explain why I need to type script /dev/null. I would like to understand what it does and why I need to type it.
terminal gnu-screen su pty typescript
edited 4 hours ago
Jeff Schaller♦
44.7k1163145
asked 6 hours ago
CJLCJL
434
New contributor
CJL is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
Every time I log into a VM with root, su into a user account, and try to use screen it throws an error:
Cannot open your terminal '/dev/pts/0' - please check.
A Stack Overflow post said I needed to use script /dev/null to fix it, and it works, but it still doesn't explain why I need to type script /dev/null. I would like to understand what it does and why I need to type it.
terminal gnu-screen su pty typescript
edited 4 hours ago
Jeff Schaller♦
44.7k1163145
asked 6 hours ago
CJLCJL
434
New contributor
CJL is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Every time I log into a VM with root, su into a user account, and try to use screen it throws an error:
Cannot open your terminal '/dev/pts/0' - please check.
A Stack Overflow post said I needed to use script /dev/null to fix it, and it works, but it still doesn't explain why I need to type script /dev/null. I would like to understand what it does and why I need to type it.
terminal gnu-screen su pty typescript
terminal gnu-screen su pty typescript
edited 4 hours ago
Jeff Schaller♦
44.7k1163145
asked 6 hours ago
CJLCJL
434
New contributor
CJL is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 4 hours ago
Jeff Schaller♦
44.7k1163145
asked 6 hours ago
CJLCJL
434
New contributor
CJL is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 4 hours ago
Jeff Schaller♦
44.7k1163145
edited 4 hours ago
Jeff Schaller♦
44.7k1163145
edited 4 hours ago
Jeff Schaller♦
44.7k1163145
44.7k1163145
asked 6 hours ago
CJLCJL
434
New contributor
CJL is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 6 hours ago
CJLCJL
434
asked 6 hours ago
CJLCJL
434
434
New contributor
CJL is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
CJL is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
CJL is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
You cannot open /dev/pts/0 because it's owned by root, and after you su-ed into another user you're no longer able to open it via its path, but you're still able to use it via the opened handle to it, which was inherited from the parent process.
script /dev/null will create another pty, owned by the current user.
Anyways, that bug/limitation seems to have been fixed in recent versions of screen (eg. 4.99.0), which will correctly send the handle to the current terminal via the SCM_RIGHTS ancillary message on a unix domain socket, instead of sending just the name of the terminal and have the screen server try to open it (and fail). Same thing with tmux.
answered 5 hours ago
mosvymosvy
9,2471934
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
);
);
CJL is a new contributor. Be nice, and check out our Code of Conduct.
Sign up or log in
StackExchange.ready(function ()
StackExchange.helpers.onClickDraftSave('#login-link');
var $window = $(window),
onScroll = function(e)
var $elem = $('.new-login-left'),
docViewTop = $window.scrollTop(),
docViewBottom = docViewTop + $window.height(),
elemTop = $elem.offset().top,
elemBottom = elemTop + $elem.height();
if ((docViewTop elemBottom))
StackExchange.using('gps', function() StackExchange.gps.track('embedded_signup_form.view', location: 'question_page' ); );
$window.unbind('scroll', onScroll);
;
$window.on('scroll', onScroll);
);
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%2f511267%2fwhat-does-script-dev-null-do%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
You cannot open /dev/pts/0 because it's owned by root, and after you su-ed into another user you're no longer able to open it via its path, but you're still able to use it via the opened handle to it, which was inherited from the parent process.
script /dev/null will create another pty, owned by the current user.
Anyways, that bug/limitation seems to have been fixed in recent versions of screen (eg. 4.99.0), which will correctly send the handle to the current terminal via the SCM_RIGHTS ancillary message on a unix domain socket, instead of sending just the name of the terminal and have the screen server try to open it (and fail). Same thing with tmux.
answered 5 hours ago
mosvymosvy
9,2471934
add a comment |
You cannot open /dev/pts/0 because it's owned by root, and after you su-ed into another user you're no longer able to open it via its path, but you're still able to use it via the opened handle to it, which was inherited from the parent process.
script /dev/null will create another pty, owned by the current user.
Anyways, that bug/limitation seems to have been fixed in recent versions of screen (eg. 4.99.0), which will correctly send the handle to the current terminal via the SCM_RIGHTS ancillary message on a unix domain socket, instead of sending just the name of the terminal and have the screen server try to open it (and fail). Same thing with tmux.
answered 5 hours ago
mosvymosvy
9,2471934
add a comment |
You cannot open /dev/pts/0 because it's owned by root, and after you su-ed into another user you're no longer able to open it via its path, but you're still able to use it via the opened handle to it, which was inherited from the parent process.
script /dev/null will create another pty, owned by the current user.
Anyways, that bug/limitation seems to have been fixed in recent versions of screen (eg. 4.99.0), which will correctly send the handle to the current terminal via the SCM_RIGHTS ancillary message on a unix domain socket, instead of sending just the name of the terminal and have the screen server try to open it (and fail). Same thing with tmux.
answered 5 hours ago
mosvymosvy
9,2471934
You cannot open /dev/pts/0 because it's owned by root, and after you su-ed into another user you're no longer able to open it via its path, but you're still able to use it via the opened handle to it, which was inherited from the parent process.
script /dev/null will create another pty, owned by the current user.
Anyways, that bug/limitation seems to have been fixed in recent versions of screen (eg. 4.99.0), which will correctly send the handle to the current terminal via the SCM_RIGHTS ancillary message on a unix domain socket, instead of sending just the name of the terminal and have the screen server try to open it (and fail). Same thing with tmux.
answered 5 hours ago
mosvymosvy
9,2471934
edited 4 hours ago
answered 5 hours ago
mosvymosvy
9,2471934
answered 5 hours ago
mosvymosvy
9,2471934
answered 5 hours ago
mosvymosvy
9,2471934
9,2471934
add a comment |
add a comment |
CJL is a new contributor. Be nice, and check out our Code of Conduct.
CJL is a new contributor. Be nice, and check out our Code of Conduct.
CJL is a new contributor. Be nice, and check out our Code of Conduct.
CJL is a new contributor. Be nice, and check out our Code of Conduct.
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');
var $window = $(window),
onScroll = function(e)
var $elem = $('.new-login-left'),
docViewTop = $window.scrollTop(),
docViewBottom = docViewTop + $window.height(),
elemTop = $elem.offset().top,
elemBottom = elemTop + $elem.height();
if ((docViewTop elemBottom))
StackExchange.using('gps', function() StackExchange.gps.track('embedded_signup_form.view', location: 'question_page' ); );
$window.unbind('scroll', onScroll);
;
$window.on('scroll', onScroll);
);
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%2f511267%2fwhat-does-script-dev-null-do%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');
var $window = $(window),
onScroll = function(e)
var $elem = $('.new-login-left'),
docViewTop = $window.scrollTop(),
docViewBottom = docViewTop + $window.height(),
elemTop = $elem.offset().top,
elemBottom = elemTop + $elem.height();
if ((docViewTop elemBottom))
StackExchange.using('gps', function() StackExchange.gps.track('embedded_signup_form.view', location: 'question_page' ); );
$window.unbind('scroll', onScroll);
;
$window.on('scroll', onScroll);
);
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');
var $window = $(window),
onScroll = function(e)
var $elem = $('.new-login-left'),
docViewTop = $window.scrollTop(),
docViewBottom = docViewTop + $window.height(),
elemTop = $elem.offset().top,
elemBottom = elemTop + $elem.height();
if ((docViewTop elemBottom))
StackExchange.using('gps', function() StackExchange.gps.track('embedded_signup_form.view', location: 'question_page' ); );
$window.unbind('scroll', onScroll);
;
$window.on('scroll', onScroll);
);
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');
var $window = $(window),
onScroll = function(e)
var $elem = $('.new-login-left'),
docViewTop = $window.scrollTop(),
docViewBottom = docViewTop + $window.height(),
elemTop = $elem.offset().top,
elemBottom = elemTop + $elem.height();
if ((docViewTop elemBottom))
StackExchange.using('gps', function() StackExchange.gps.track('embedded_signup_form.view', location: 'question_page' ); );
$window.unbind('scroll', onScroll);
;
$window.on('scroll', onScroll);
);
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
