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Old 05-14-2020, 07:56 AM   #1
marius09
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directory creation


hi,
i like to know why after i login to a new user account the date of user home directory change?

useradd y32
ls -ld /home/y32
drwx------. 2 y32 y32 62 May 14 04:39 /home/y32

ssh y32@192.168.30.105
y32@192.168.30.105's password:
Last login: Thu May 14 04:44:08 2020 from 192.168.30.105
[y32@test5 ~]$ logout
Connection to 192.168.30.105 closed.
ls -ld /home/y32
drwx------. 2 y32 y32 83 May 14 04:44 /home/y32
 
Old 05-14-2020, 08:11 AM   #2
shruggy
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.bash_history gets updated? No, crap, must be something else. BTW, on my system geany and gedit-plugin-terminal require VTE which installs /etc/profile.d/vte.sh which, in turn, sets PROMPT_COMMAND thusly:
Code:
$ echo $PROMPT_COMMAND
history -a; history -n; printf "\033]0;%s@%s:%s\007" "${USER}" "${HOSTNAME%%.*}" "${PWD/#$HOME/\~}"
Quote:
directory creation
The thread name is wrong. What ls -l shows by default is the modification time (mtime). It's the time of the last write.

Use ls -cl to display the status change time (ctime) instead. It changes e.g. when the file gets moved/renamed or its ownership/permissions are changed.

Use stat %w to display the file creation time (birthtime).

From the GNU Coreutils manual:
Quote:
Naively, a file’s atime, mtime, and ctime are set to the current time whenever you read, write, or change the attributes of the file respectively, and searching a directory counts as reading it. A file’s atime and mtime can also be set directly, via the touch command (see touch invocation). In practice, though, timestamps are not updated quite that way.

For efficiency reasons, many systems are lazy about updating atimes: when a program accesses a file, they may delay updating the file’s atime, or may not update the file’s atime if the file has been accessed recently, or may not update the atime at all. Similar laziness, though typically not quite so extreme, applies to mtimes and ctimes.

Last edited by shruggy; 05-14-2020 at 05:17 PM.
 
Old 05-14-2020, 04:23 PM   #3
ondoho
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The same happens on my system.
Funny, I never noticed it before.
Currently 'ls -ald ~' shows May 15 00:13 which is definitely hours after I logged in.

I don't see anything problematic with that.

Last edited by ondoho; 05-16-2020 at 02:21 AM. Reason: the added 'd' to ls options makes my meaning clearer
 
Old 05-15-2020, 03:26 AM   #4
shruggy
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I guess I got it.
Quote:
Originally Posted by marius09 View Post
after i login to a new user account
Quote:
Originally Posted by shruggy View Post
.bash_history gets updated?
Not updated, but created.
 
Old 05-16-2020, 02:28 AM   #5
ondoho
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^ yeah, I guess it changes every time some file is created or deleted in $HOME:
Code:
$> ls -ald ~
drwx------ 25 ondoho ondoho 4.0K May 16 10:00 /home/ondoho/
$> touch yadda
$> ls -ald ~
drwx------ 25 ondoho ondoho 4.0K May 16 10:22 /home/ondoho/
...wait a few minutes...
$> rm yadda
$> ls -ald ~
drwx------ 25 ondoho ondoho 4.0K May 16 10:24 /home/ondoho/
It does NOT change when you just modify the file:
Code:
$> ls -al yadda
-rw-r--r-- 1 ondoho ondoho 0 May 16 10:25 yadda
$> touch yadda
$> ls -al yadda
-rw-r--r-- 1 ondoho ondoho 0 May 16 10:26 yadda
$> ls -ald ~
drwx------ 25 ondoho ondoho 4.0K May 16 10:25 /home/ondoho/
 
  


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