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Installation date of Ubuntu

How do I find how long ago a Linux system was installed?Fedora vs. Ubuntu installationHaving error during Ubuntu installationUbuntu - Ethernet Card Driver Installation: asm/linkage.h file not foundWhat file determines “# Registers:” entries in /home/ubuntu/.viminfo after apache2 restartNvidia drivers installation in UbuntuUbuntu installation can't boot with message “failure reading sector”Ubuntu update processHow to fix when Fedora 26 installation undetected/unlisted on Ubuntu-grub menuWhat are the contents in /sys/block when ubuntu is a virtual machine?How to fix keymap after ubuntu installation

6

1

How can I determine when Ubuntu was installed in my computer? There was a different question posted here.

ubuntu date

share|improve this question

edited 49 mins ago

Rui F Ribeiro

41.3k1481140

asked Feb 9 '11 at 10:33

BakhtiyorBakhtiyor

13315

• 
  
  
  

  
  5
  

  
  
  
  
  
  

  
  
  What was wrong with the answers there? /var/log/installer, /boot, and dumpe2fs all look OK to me.
  
  – Mikel
  Feb 9 '11 at 10:41
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Mikel. The reason is that they show different dates. For instance, dumpe2fs and /var/log/installer show creation date as 05.11.2010 while /boot shows as 29.01.2011. That is why I wanted to find out precise method to get this information without any doubts.
  
  – Bakhtiyor
  Feb 9 '11 at 11:27
  

  
  
  
  


• 
  
  
  

  
  3
  

  
  
  
  
  
  

  
  
  @Bakhtiyor Then most probably something happened to /boot. When dumpe2fs and /var/log/installer point to the same answer I won't keep any doubt.
  
  – phunehehe
  Feb 9 '11 at 11:49
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  All right guys. So, what do you suggest me to do with the question? Just delete it or what?
  
  – Bakhtiyor
  Feb 9 '11 at 11:52
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Bakhtiyor If you still think something is wrong and you need help with it please edit your question to include that information. Or if you question has already been answered on the other site you can close this one.
  
  – phunehehe
  Feb 9 '11 at 13:36
  

  
  
  
  

 | 
show 1 more comment

6

1

How can I determine when Ubuntu was installed in my computer? There was a different question posted here.

ubuntu date

share|improve this question

edited 49 mins ago

Rui F Ribeiro

41.3k1481140

asked Feb 9 '11 at 10:33

BakhtiyorBakhtiyor

13315

• 
  
  
  

  
  5
  

  
  
  
  
  
  

  
  
  What was wrong with the answers there? /var/log/installer, /boot, and dumpe2fs all look OK to me.
  
  – Mikel
  Feb 9 '11 at 10:41
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Mikel. The reason is that they show different dates. For instance, dumpe2fs and /var/log/installer show creation date as 05.11.2010 while /boot shows as 29.01.2011. That is why I wanted to find out precise method to get this information without any doubts.
  
  – Bakhtiyor
  Feb 9 '11 at 11:27
  

  
  
  
  


• 
  
  
  

  
  3
  

  
  
  
  
  
  

  
  
  @Bakhtiyor Then most probably something happened to /boot. When dumpe2fs and /var/log/installer point to the same answer I won't keep any doubt.
  
  – phunehehe
  Feb 9 '11 at 11:49
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  All right guys. So, what do you suggest me to do with the question? Just delete it or what?
  
  – Bakhtiyor
  Feb 9 '11 at 11:52
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Bakhtiyor If you still think something is wrong and you need help with it please edit your question to include that information. Or if you question has already been answered on the other site you can close this one.
  
  – phunehehe
  Feb 9 '11 at 13:36
  

  
  
  
  

 | 
show 1 more comment

How can I determine when Ubuntu was installed in my computer? There was a different question posted here.

ubuntu date

share|improve this question

edited 49 mins ago

Rui F Ribeiro

41.3k1481140

asked Feb 9 '11 at 10:33

BakhtiyorBakhtiyor

13315

share|improve this question

edited 49 mins ago

Rui F Ribeiro

41.3k1481140

asked Feb 9 '11 at 10:33

BakhtiyorBakhtiyor

13315

share|improve this question

edited 49 mins ago

Rui F Ribeiro

41.3k1481140

asked Feb 9 '11 at 10:33

BakhtiyorBakhtiyor

13315

edited 49 mins ago

Rui F Ribeiro

41.3k1481140

edited 49 mins ago

Rui F Ribeiro

41.3k1481140

asked Feb 9 '11 at 10:33

BakhtiyorBakhtiyor

13315

asked Feb 9 '11 at 10:33

BakhtiyorBakhtiyor

13315

3 Answers
3

active

oldest

votes

5

As I found here sudo grep ubiquity /var/log/installer/syslog | less should work for Ubuntu.

last works for Fedora.

share|improve this answer

answered Feb 9 '11 at 16:01

DharmitDharmit

1,90762132

• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  Won't last suffer from the same issue with wtmp rotation?
  
  – belacqua
  Feb 10 '11 at 22:18
  

  
  
  
  

add a comment | 

3

How to check at what date linux was installed?

[rot@localhost]# dumpe2fs $(mount | grep 'on / ' | awk 'print $1') | grep 'Filesystem created:'

use this command for check when was the os installed.

Regards,
Namdev Rathod

share|improve this answer

answered Jan 25 '13 at 10:21

Namdev RathodNamdev Rathod

311

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks, this works! I would add "sudo" for completeness.
  
  – Aram Paronikyan
  Jun 8 '16 at 12:04
  

  
  
  
  

add a comment | 

0

Use last. It helped me find the installation date on Fedora 14. The last line stating wtmp begins Tue Nov 9 22:35:12 2010 is the installation date.

share|improve this answer

answered Feb 9 '11 at 14:50

DharmitDharmit

1,90762132

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  wtmp begins Wed Feb 2 16:24:52 2011. This is what I get with last command in Ubuntu. Approximately my OS had been installed on November 2010.
  
  – Bakhtiyor
  Feb 9 '11 at 15:33
  
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @Bakhtiyor Try grep ubiquity /var/log/installer/syslog | less. I found that here
  
  – Dharmit
  Feb 9 '11 at 15:41
  
  

  
  
  
  


• 
  
  
  

  
  3
  

  
  
  
  
  
  

  
  
  I wouldn't rely on that. For example, FreeBSD rotates /var/log/wtmp by default, so when I run last on one of my FreeBSD boxes I get "wtmp begins Thu Feb 3 09:50:42 EST 2011". My Slackware box does the same thing, I installed the OS on it years ago but last reports that wtmp began last week. I don't have an Ubuntu box handy to check.
  
  – mazianni
  Feb 9 '11 at 15:43
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Dharmit. sudo grep ubiquity /var/log/installer/syslog | less worked for me. Could you please post it as an answer, so that I could select your answer as an accepted one.
  
  – Bakhtiyor
  Feb 9 '11 at 15:58
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  wtmp gets rotated. See /etc/logrotate.conf.
  
  – Mikel
  Feb 9 '11 at 21:10
  

  
  
  
  

 | 
show 3 more comments

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5

As I found here sudo grep ubiquity /var/log/installer/syslog | less should work for Ubuntu.

last works for Fedora.

share|improve this answer

answered Feb 9 '11 at 16:01

DharmitDharmit

1,90762132

• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  Won't last suffer from the same issue with wtmp rotation?
  
  – belacqua
  Feb 10 '11 at 22:18
  

  
  
  
  

add a comment | 

5

As I found here sudo grep ubiquity /var/log/installer/syslog | less should work for Ubuntu.

last works for Fedora.

share|improve this answer

answered Feb 9 '11 at 16:01

DharmitDharmit

1,90762132

• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  Won't last suffer from the same issue with wtmp rotation?
  
  – belacqua
  Feb 10 '11 at 22:18
  

  
  
  
  

add a comment | 

As I found here sudo grep ubiquity /var/log/installer/syslog | less should work for Ubuntu.

last works for Fedora.

share|improve this answer

answered Feb 9 '11 at 16:01

DharmitDharmit

1,90762132

share|improve this answer

answered Feb 9 '11 at 16:01

DharmitDharmit

1,90762132

answered Feb 9 '11 at 16:01

DharmitDharmit

1,90762132

answered Feb 9 '11 at 16:01

DharmitDharmit

1,90762132

3

How to check at what date linux was installed?

[rot@localhost]# dumpe2fs $(mount | grep 'on / ' | awk 'print $1') | grep 'Filesystem created:'

use this command for check when was the os installed.

Regards,
Namdev Rathod

share|improve this answer

answered Jan 25 '13 at 10:21

Namdev RathodNamdev Rathod

311

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks, this works! I would add "sudo" for completeness.
  
  – Aram Paronikyan
  Jun 8 '16 at 12:04
  

  
  
  
  

add a comment | 

3

How to check at what date linux was installed?

[rot@localhost]# dumpe2fs $(mount | grep 'on / ' | awk 'print $1') | grep 'Filesystem created:'

use this command for check when was the os installed.

Regards,
Namdev Rathod

share|improve this answer

answered Jan 25 '13 at 10:21

Namdev RathodNamdev Rathod

311

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks, this works! I would add "sudo" for completeness.
  
  – Aram Paronikyan
  Jun 8 '16 at 12:04
  

  
  
  
  

add a comment | 

How to check at what date linux was installed?

[rot@localhost]# dumpe2fs $(mount | grep 'on / ' | awk 'print $1') | grep 'Filesystem created:'

use this command for check when was the os installed.

Regards,
Namdev Rathod

share|improve this answer

answered Jan 25 '13 at 10:21

Namdev RathodNamdev Rathod

311

share|improve this answer

answered Jan 25 '13 at 10:21

Namdev RathodNamdev Rathod

311

answered Jan 25 '13 at 10:21

Namdev RathodNamdev Rathod

311

answered Jan 25 '13 at 10:21

Namdev RathodNamdev Rathod

311

0

Use last. It helped me find the installation date on Fedora 14. The last line stating wtmp begins Tue Nov 9 22:35:12 2010 is the installation date.

share|improve this answer

answered Feb 9 '11 at 14:50

DharmitDharmit

1,90762132

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  wtmp begins Wed Feb 2 16:24:52 2011. This is what I get with last command in Ubuntu. Approximately my OS had been installed on November 2010.
  
  – Bakhtiyor
  Feb 9 '11 at 15:33
  
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @Bakhtiyor Try grep ubiquity /var/log/installer/syslog | less. I found that here
  
  – Dharmit
  Feb 9 '11 at 15:41
  
  

  
  
  
  


• 
  
  
  

  
  3
  

  
  
  
  
  
  

  
  
  I wouldn't rely on that. For example, FreeBSD rotates /var/log/wtmp by default, so when I run last on one of my FreeBSD boxes I get "wtmp begins Thu Feb 3 09:50:42 EST 2011". My Slackware box does the same thing, I installed the OS on it years ago but last reports that wtmp began last week. I don't have an Ubuntu box handy to check.
  
  – mazianni
  Feb 9 '11 at 15:43
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Dharmit. sudo grep ubiquity /var/log/installer/syslog | less worked for me. Could you please post it as an answer, so that I could select your answer as an accepted one.
  
  – Bakhtiyor
  Feb 9 '11 at 15:58
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  wtmp gets rotated. See /etc/logrotate.conf.
  
  – Mikel
  Feb 9 '11 at 21:10
  

  
  
  
  

 | 
show 3 more comments

0

Use last. It helped me find the installation date on Fedora 14. The last line stating wtmp begins Tue Nov 9 22:35:12 2010 is the installation date.

share|improve this answer

answered Feb 9 '11 at 14:50

DharmitDharmit

1,90762132

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  wtmp begins Wed Feb 2 16:24:52 2011. This is what I get with last command in Ubuntu. Approximately my OS had been installed on November 2010.
  
  – Bakhtiyor
  Feb 9 '11 at 15:33
  
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  @Bakhtiyor Try grep ubiquity /var/log/installer/syslog | less. I found that here
  
  – Dharmit
  Feb 9 '11 at 15:41
  
  

  
  
  
  


• 
  
  
  

  
  3
  

  
  
  
  
  
  

  
  
  I wouldn't rely on that. For example, FreeBSD rotates /var/log/wtmp by default, so when I run last on one of my FreeBSD boxes I get "wtmp begins Thu Feb 3 09:50:42 EST 2011". My Slackware box does the same thing, I installed the OS on it years ago but last reports that wtmp began last week. I don't have an Ubuntu box handy to check.
  
  – mazianni
  Feb 9 '11 at 15:43
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Dharmit. sudo grep ubiquity /var/log/installer/syslog | less worked for me. Could you please post it as an answer, so that I could select your answer as an accepted one.
  
  – Bakhtiyor
  Feb 9 '11 at 15:58
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  wtmp gets rotated. See /etc/logrotate.conf.
  
  – Mikel
  Feb 9 '11 at 21:10
  

  
  
  
  

 | 
show 3 more comments

Use last. It helped me find the installation date on Fedora 14. The last line stating wtmp begins Tue Nov 9 22:35:12 2010 is the installation date.

share|improve this answer

answered Feb 9 '11 at 14:50

DharmitDharmit

1,90762132

share|improve this answer

answered Feb 9 '11 at 14:50

DharmitDharmit

1,90762132

answered Feb 9 '11 at 14:50

DharmitDharmit

1,90762132

answered Feb 9 '11 at 14:50

DharmitDharmit

1,90762132