Questions tagged [time]

Questions relating to time and timezones.

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19 views

i need a script when in a directory run coomand time and is more than 0 sec print 1

I need a script that run in a directory the command time and if the sum of user, real and sys is more than 0 sec, print a number 1. I ask because i dont know how to compare the time that prints the ...
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1answer
50 views

Changing date format in lock screen [duplicate]

I want to change the date format from what I chose in the Ubuntu installation, and it works by going to Region & Language and selecting the format that I want, but when I log out of the user, the ...
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1answer
73 views

Gmail in firefox showing time in UTC, but not in chromium

The time of emails in Gmail shows up in UTC in Firefox, but they are in Local time in Chromium. Calendar shows the local time. How to fix this?
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How do I solve Internet Time Sync Not Happening?

Searched through some places and did a lot of stuff. I have tried Unable to start ntpd.service, How do I set time and date from the Internet? and also tried chrony. I saw more places, as far as I ...
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1answer
17 views

Dual boot error

so I installed Ubuntu 20.04 LTS and it dual boots with Windows 10 Pro on my laptop. Everything is fine until the point when I switch between the two systems by restarting the computer. The time ...
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Unable To Update Ubuntu 18.04 LTS / Software Updater Failed To Download Repository Information

I found some similar threads on this issue but none of the suggestions listed in them seemed to have any effect. tl;dr here, long version below: Tried to change 18.04LTS system time to 12 hour style ...
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10 views

Time vault application

Can application time vault save internet pages in memory and later we check it even if we blocked that page from seeing us? I am installing the latest ubuntu 20.04 on Windows 10 computer. I had ...
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1answer
112 views

Customising date time format | Ubuntu 20.04 [duplicate]

I recently started using Ubuntu 20.04, and I want to customise date & time format (in Windows I could write it down using a "formatted string" like %YYYY-%MM-%day). I am referring to the clock at ...
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2answers
67 views

time under calendar?

Here is my desktop. Is there any Gnome extension to put the time underneath the calendar ? I do believe that I have seen it before, just once.
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1answer
155 views

Ubuntu server 20.04 - time format 24 hours on shell with date command

I've installed Ubuntu server 20.04, and I can't find a way to display the time format to 24 hours when I use the command 'date' in the shell. I check the locale information with an Ubuntu server 18.04 ...
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1answer
23 views

How do I add a sequence of numbers to a file

Ok what I'm trying to do is time how long it takes to write a sequence of numbers to a file, what I have so far is time seq 12 2 900 how do I get this number sequence to write to a file? Ta.
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72 views

Time change in Windows after booting to Ubuntu [duplicate]

Whenever I boot to Ubuntu and boot into Windows again my time changes to GMT. Why is this and how can I fix this?
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Getting a constant accuracy for a ping-like command

very simple and naïve question here, I'm trying to mesure some RTTs with a reasonnable accuracy. The Ubuntu ping command provides a pretty good mesure with a 10µs accuracy. but only when the total RTT ...
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synchronize clocks on multiple 1804 linux mini computers without internet

I have a mobile platform that contains more than 1 ubuntu 1804 linux computer on it. All of these computers are connected to a router hosting a local ethernet network. All of the computers need to set ...
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Issues with time sync with remote PC and robot

Has anyone come across this error before? [ WARN] [1587458925.300460191]: Failed to compute laser pose, aborting initialization (Lookup would require extrapolation into the future. Requested time ...
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51 views

Why does ureadahead service slow down the boot process?

I am quoting from Ubuntu manpage: ureadahead (über-readahead) is used during boot to read files in advance of when they are needed such that they are already in the page cache, improving boot ...
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How do i get GRUB to display environment variables in label components?

So, I've been trying without much success to get the current date + time to display on the boot menu. I read here that loading the datehook module would help, as it added several new variables for ...
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2answers
93 views

What happened with my time display?

I'm using Ubuntu 19.10 and the display of time has an extra space between : separator, see images. I notice this in gnome's top bar and in Files. EDIT: The spacing between hour and minute should ...
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8 views

How to set system time in multi boot laptop?

I have a multi boot laptop with Windows10, Windows 7 and Ubuntu 18.04.The system time shown with each OS is different than that of actual time. Can somebody suggest what to do in order to have same ...
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27 views

How can I display the time and date, from bashrc, when I open the terminal? [duplicate]

So I can display a message when open terminal. I modified the bashrc file and added something like: "Echo "Hello world!" " But I need to also add the date and time, but I don't know how. Can you ...
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1answer
136 views

How to turn off clock on login screen? [duplicate]

I like not to know time when I'm using my computer. I found how to turn it off on my desktop but I didn't find how to turn it off before login into my session (it still appears in small on top of my ...
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29 views

Time is behind by an hour even though TZ is correctly set

I have an Ubuntu 18 server VM running in ESXI. The timezone is set correctly but the time is still behind by an hour. root@devserver:~# timedatectl Local time: Thu 2020-03-19 ...
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29 views

Ubuntu 18.04 very slow Boot up please help

my laptop has 4gb ddr4 RAM and i3 7th gen and is taking about 10 min to boot Some logs for dmesg are: [ 1.789392] usb 1-7: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.01 [ ...
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1answer
227 views

Is there a command that can be sent into a usb port to request the system's time?

I'd like to add a functionality to a project I'm working on, in which as soon as an external controller device powers on, it sends a time-request/command to a ttyusb port of an Ubuntu PC, and the ...
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1answer
59 views

16.04: Change increments of time to move forward or backward with Videos AKA Totem

In Videos AKA Totem in Ubuntu 16.04, on pressing the right arrow key the video is forwarded by 1 minute and pressing the left arrow key, the video goes back by 15 seconds. How do I change this? I want ...
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58 views

Wrong time after wake up from suspend

Every time my system wakes up from suspend it shows the wrong time, even though it is set to get the network time. What could be the issue?
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2answers
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ubuntu has a different time than the system time [closed]

My Ubuntu 18.04.3 date/time is 3:10 AM Feb 26, 2020. However the BIOS date/time is 8:10 AM Feb 25, 2020. If I correct the date/time in Ubuntu, it changes it on the BIOS, and viceversa. How can I solve ...
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49 views

if command is true for X seconds run code in bash shell script

i want an if statement to only run if the condition in the statement is true for at least 3 consecutive seconds, how do i achieve it in linux bash shell script? i haven't done it before, and couldn't ...
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42 views

Failing to Redirect Output to File

I want to redirect output from "time" to a file. However, my attempts to redirect stdout, stderr, or both, are not working. For example, when I use: time python process-column.py 2>/tmp/times....
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1answer
735 views

Can't sync time to network server on Ubuntu 19.10

Upgraded to 19.10 a three weeks ago, and since then, I can't get the system to sync with a time server. What I've done: xxxx@asgard:~$ cat /etc/timezone America/Los_Angeles marc@asgard:~$ ...
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111 views

Date and time on top line Ubuntu 18.04 with GNOME [duplicate]

I know this is simple but I forgot what I found and cannot find it again. Somewhere you can put in something like %yyyy and so forth, and construct something like: 2020 01 07 Tues 11:21 pm. ...
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1answer
395 views

Unable to install Alarm Clock Applet (Ubuntu 19.10)

I tried installing the alarm clock applet with apt-get, but I get the following error: Unable to locate package alarm-clock-applet I already tried sudo apt-get update and sudo apt-add-repository ...
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33 views

History timestemp shows wrong dates

when running the commands HISTTIMEFORMAT="%d/%m/%y %T " history the date output are wrong. For example the sudo reboot in line 1407 was done on 31/12/2019. I am not sure about the hours. How can I ...
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1answer
58 views

Ubuntu 18: date lagging behind by ~17 seconds

I have problems with time syncing in Ubuntu 18, this is my version, running on digital ocean: Distributor ID: Ubuntu Description: Ubuntu 18.04.3 LTS Release: 18.04 Codename: bioni When I ...
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28 views

Fix time differences in Ubuntu 18.04 and Windows 10 [duplicate]

I dual boot Windows 10 and Ubuntu 18.04. Every time after switching between the two systems the clock time seems to be off. Can somebody please tell me how to fix this issue?
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3answers
623 views

Timezone Asia/Kolkata changed to PST

What I did: Ran this command: sudo cp /usr/share/zoneinfo/America/Los_Angeles /etc/localtime What happened: My local time changed to PST. Now I ran: sudo cp /usr/share/zoneinfo/Asia/Kolkata /etc/...
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31 views

Weird Time Indentation

My Ubuntu has this weird time Indentation on the digital clock. Here is a picture My Sys Info: Ubuntu 19.10 Eoan Ermine
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1answer
468 views

Ubuntu 19.04 slow boot

My boot time is very long. Can somebody help me to reduce it? This is what I got after I ran systemd-analyze blame: 32.964s plymouth-quit-wait.service 29.180s dev-sda1.device 15.279s ...
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1answer
64 views

how to convert time from 24H to 12H then subtract the two times

I have a file that collects time stamps of HH:MM need to add one hour to the 1st column and convert the both columns from 24H to 12H then subtract them. Output in the file I collected the times from:...
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1answer
34 views

Commandline tool to lookup current timezone? [duplicate]

I have my date and time settings set to use the "automatic time zone" and that is reflected in timedatectl: amanda@rajje:~$ timedatectl status Local time: Fri 2019-11-15 14:01:...
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44 views

Fix wrong time in some apps

My time is correct in the system (-3 zone) and terminal. But in Rstudio files are shown as -2 (including future times for recently saved). It also happens in whatsapp web. I thought this was ...
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10 views

disk check posted odd date

I was doing booting up a computer that hasn't run in a while (months, years... who knows). In any event, the disk scan utility came up and started checking the disk, which is fine, I would expect as ...
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71 views

Find the process that is setting time

I am running Ubuntu 18.04 LTS in a VirtualBox VM. I need the system time to not be synchronized with NTP because I have another process that gets time updates from a non-NTP source, setting RTC in ...
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1answer
201 views

Timezone changes do not persist

I am running Ubuntu 18.04.3 and changes I make to the timezone do not persist. That is, I make the change and at some point within 5-20 minutes, the clock reverts to UTC time. I have updated the ...
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19 views

Is there a modern replcaement to Wakoopa for uptime-based time tracking?

Wakoopa previously had a consumer feature that would report on desktop applications used. That feature has since been retired. Like the poster in the SuperUser thread linked, I would be interested in ...
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22 views

Ubuntu Kerberos authentication

I have Windows AD. I know, that kerberos is very time sensitive. I also have ubuntu server, that use sssd to authenticate in AD. I tried to check if kerberos so time sensitive. I changed time on ...
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1answer
167 views

Bash, stat, get real filename access time

System Linux hosek 4.15.0-48-generic #51-Ubuntu SMP Wed Apr 3 08:28:49 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux Issue Is possible get real access time of file? Seems there is a problem with stat ...
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1answer
377 views

How to increse Plymouth Theme duration?

I put ubuntu-spinner-logo PT on my old Ubuntu 19.04 PC, how can I increse duration of it, PT last untill boot ends,but spinning logo last for aprox. 15s and PC need about 40s to boot up. I found ...
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1answer
73 views

Why does the time got by Ubuntu have seconds jumping?

Background: I want to use the system functions to get the UTC to add a time stamp. The function s getdayoftime() can help to get the epoch time (beginning as 1970-1-1) and another function localtime_r ...
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1answer
411 views

How does Ubuntu determine the date/time if no NTP server and a broken RTC clock?

I am trying to determine how Ubuntu 18.04 determines how to set the system clock for a computer that has a broken RTC clock (and battery removed) and no access an NTP server and systemd-timesyncd ...

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