Questions tagged [date]
the "date" tag is used to classify questions about date/calendar/time manipulation, visualisation, conversion... on Unix-like systems.
102
questions with no upvoted or accepted answers
4
votes
0
answers
654
views
Faketime lib on Mac not always works
Installed libfaketime with brew, latest version 0.9.7, then did following steps as described in README.OSX:
export DYLD_FORCE_FLAT_NAMESPACE=1
export DYLD_INSERT_LIBRARIES=/usr/local/Cellar/...
- 141
3
votes
0
answers
55
views
How can I format the date and time in accordance with ISO 8601 / RFC 3339 using systemd?
How can I configure the environment of a systemd based Linux system to display the date system-wide in the format yyyy-mm-dd?
This date format adheres to the specifications defined ISO 8601 and RFC ...
- 3,938
3
votes
2
answers
2k
views
Make date change permanent in EC2
How can I manually set date and time to future in EC2 instance and make it permanent, so it won't reset after reboot ?
I can change date using this command:
$ sudo timedatectl set-time "2017-12-09 ...
3
votes
0
answers
380
views
ISO8601 time everywhere?
I would like to have my dates and times shown in ISO8601. I have been unable to find a locale which supports that and which does not cause other programs (e.g. perl) to go berserk.
Which locale ...
- 33.8k
3
votes
1
answer
3k
views
I'm trying to compile alsa-driver-RTv5.18 but get date-time error for gcc 4.9.2
/home/user/Downloads/Rt-Linux-HDaudio-5.18/alsa-driver-RTv5.18/alsa/acore/info.c:1065:22: error: macro "__DATE__" might prevent reproducible builds [-Werror=date-time]
"Compiled on " __DATE__ " for ...
- 231
2
votes
0
answers
76
views
Watch command -d=cumulative gives unexpected behavior with --color
This script gives the expected behavior, highlighting the parts of the date that change:
watch -d=cumulative date
However this script highlights the entirety of the text instead of just the things ...
- 21
2
votes
0
answers
66
views
Making the locale time format more compact
dmesg -T gives human readable time format, and I want to make it more compact, from this
[Пт мар 12 09:18:54 2021] wlan0: associated
to this
[12.03.21 09:18:54] wlan0: associated
I'm using ru_RU.UTF-...
- 21
2
votes
1
answer
79
views
debian v10 locale interpretation in date command
I've noticed that after upgrade from Debian 8 to Debian 10, the date command produces different (12H) format though the same LC_TIME is set on both.
It can also be easily demonstrated using LC_TIME in ...
- 3,691
2
votes
0
answers
131
views
2038 problem behaving differently in different time zone
I am working on 32 bit linux and i understand 2038 problem
https://en.wikipedia.org/wiki/Year_2038_problem
Anyhow , when i try to use date command to set time beyond 03:14:07 UTC on 19 January 2038
...
- 21
2
votes
0
answers
638
views
How to change date format in Thunderbird
The date format in the date column (inbox folder) is as follow: dd-mm-yy hh:mm. The problem is that when displaying emails from days or months represented by a single digit it messes up the alignment ...
- 413
2
votes
2
answers
262
views
Syntax for using epoch times in a calculation with the `--date=STRING` usage of the `date` command
I have a time represented as seconds since 1970-01-01 00:00:00 UTC, like 1524884843.
I want to get the time, say, 1 month from the above specified time.
Normally if I want to get the time 1 month ...
- 589
2
votes
0
answers
1k
views
Getting a range of lines between timestamps from /var/log/messages
I want to get all lines between two timestamps from /var/log/messages.
I only have start time which I provide to my script as input.
The script then should get me all the lines till next day as output....
- 131
2
votes
0
answers
65
views
One-liner to convert and adjust a specified time in FreeBSD
It's easy to accept a date in a specified but non-standard format (date -j -f "EXISTING_DATE_FORMAT" "EXISTING_DATE" "OUTPUT_FORMAT"), and easy to adjust a date with the same command (date -j -v+1y "...
- 1,221
2
votes
0
answers
2k
views
"export TZ=`date +%Z`" leads to confusing output of "date"
I recently noticed the following (strange) behavior:
user@pc:~$ date
Mi 21. Jun 12:03:10 CEST 2017
user@pc:~$ date +%Z
CEST
user@pc:~$ export TZ=`date +%Z`
user@pc:~$ date
Mi 21. Jun 10:03:30 ...
2
votes
0
answers
8k
views
How do I set the correct time on Centos 7?
I have the minimal install of Centos 7 on my PC (not virtual box). I have spent the last few hours trying to figure out how to set up the correct time. I am still fast by one hour. After spending ...
- 21
1
vote
0
answers
83
views
Linux UTM VM Hardware Clock is Incorrect
My machine natively runs MacOS Ventura 13.3.1. I am using UTM to run 5.14.8-arch1-1. I am on PST. The output of sudo hwclock --verbose is as follows:
hwclock from util-linux 2.37.2
...
Hardware clock ...
- 143
1
vote
0
answers
658
views
Failed to start Network Time Synchronization
Can anyone let me know why I am facing Failed to start Network Time Synchronization at the kernel logs?
When I run timedatectl command I get the message
Failed to query server: Connection timed out
...
- 59
1
vote
1
answer
199
views
zdump and date do not show the same daylight saving information
I am using my localtime set to be Israel.
I updated the system clock and hardware clock, and using zdump I get:
~# zdump /usr/share/zoneinfo/Israel
/usr/share/zoneinfo/Israel Wed Apr 20 16:11:36 2022 ...
- 11
1
vote
1
answer
56
views
Unix script to process data by comparing it to same key records
I have a problem in which Input file has Effective date and End date records. First 6 fields are the keys (12345A). We need to update End date(18 position) based on effective(8 position) date of the ...
1
vote
0
answers
234
views
systemd dbus service continuously updates system time
I am trying to set my centos vm's date to 1 months prior date for some license validation,
for that I have disabled systemd-timesyncd and ntpd service but still after setting the time to -32 days the ...
- 111
1
vote
0
answers
50
views
Call script in locale definition
I am following the answer in https://askubuntu.com/a/162714/146591 to generate a custom locale on my system. Many of the fields that can be configured in a locale are input for the date utility (https:...
- 111
1
vote
1
answer
401
views
How date command keep tracking time
I got a weird scenario in which the date of my computer is getting the wrong time (and he keeps fixing the time but still keep repeating this issue)
let me share with you an example who make this much ...
- 111
1
vote
2
answers
587
views
Find the age of the oldest file in one line
I tried
stat -c %Y ./* 2>/dev/null | awk -v d="$(date +%s)" 'BEGIN {m=d} $0 < m {m = $0} END {print d - m}'
to find the age of the oldest file in the current directory, and I get a number in ...
- 11
1
vote
0
answers
132
views
Secure way to update Date & Time of a Linux Embedded Device
I have a Linux (4.9.171) machine running on ARM Cortex-A processor. The system has internet connection and talks to my server over SSL. At the first boot, I can configure the date and time to it. ...
- 121
1
vote
0
answers
135
views
How to determine if file has been modified in the last x seconds
I want to determine if a file has been modified in the last x seconds on MacOS or Debian etc.
is_file_older_than() {
seconds="$1"
file="$2"
echo "The file $file"
modified_secs="$(date -r "$...
- 9,394
1
vote
0
answers
115
views
Change timezone of mov files
I forgot to set the correct timezone in my camera during a vacation and now the times are all off by 7 hours.
To correct this for the image files I used
exiv2 -a -07 adjust *.JPG
which changes the ...
- 235
1
vote
1
answer
136
views
Calculate difference in numbers and save in colon-separated time format with bash script
I have a tab-separated file, e.g.,
0018803 01 1710 2050 002571
0018951 01 1934 2525 003277
0019362 02 2404 2415 002829
0019392 01 2621 2820 001924
0019542 01 ...
- 11
1
vote
2
answers
879
views
Printing a dynamic list of month days vertically
I need to write few line in a code that I use in my study, and I really gave up! currently, i can list the days of a month and the equivalent day number but I can't link this to the system clock so it ...
user308606
1
vote
1
answer
763
views
Permanently adjusting RHEL 6 timezone
We have a collection of cards running RHEL 6. We would like them to boot such that their timezones are Zulu (UTS, GMT, GMT-0). I have read and tried many of the suggestions out there that supposedly ...
- 11
1
vote
0
answers
290
views
rtcwake being set one day ahead of intended time
I am trying to use this command to wake up my computer 5 seconds from now:
sudo rtcwake -m no -s 5
The problem I am having is that the time to wake my computer is set 5 seconds ahead of current time ...
- 21
1
vote
0
answers
401
views
Compare file dates from two directories
I have two directories with files with the same name.
Basically I want to replace dir1/file.txt with dir2/file.txt if the creation date of dir1/file.txt is more recent. But i think I'm missing ...
- 143
1
vote
0
answers
133
views
How to track leap second change after it happened?
I had applied a patch from Redhat on this machine to automatically correct the leap second change by inserting an extra second at the time of leap second change. Now, I want to see its effect. Of ...
- 131
1
vote
0
answers
96
views
Cron running tasks at second 26?
I've many vps with the same cron task sending data with curl every minute, e.g. date command output.
So I'm receiving datetime from every vps and I just realized that one of them is running the cron ...
- 521
1
vote
1
answer
4k
views
view IPs from apache access.log for date period
I have seen someone use this command -- and it works where it pulls back all the IPS in a list/group:
cat access.* | awk '{ print $1 }' | sort | uniq -c | sort -n
However, I want to choose the past ...
- 65
1
vote
0
answers
309
views
How to change the date format in the LXDM login/greeting screen (LXDE)
I found a number of resources to change the system (Archlinux 2016-03-01) date format, amongst others one to create a new format from an existing locale file.
I then modifed /etc/environment and ...
- 2,465
1
vote
0
answers
98
views
date/time setting does not work after unplugging power adapter or sudden power cut
For some reason, I want to configure the date/time in my Linux (CentOS 6.5) to be different from the REAL date/time, but the setting won't work if I turn my computer(desktop not laptop if this matters,...
- 914
1
vote
0
answers
2k
views
Changing the date format of auth.log
I was looking to change the date format in which auth.log logs information. I could not find a way to do it. Is there a method to do this? My system uses rsyslog.
- 173
0
votes
0
answers
357
views
Format date to another date format in bash
I am retrieving the following dates from a database:
2022-04-12-08.22.28.940722
2018-10-30-10.28.10.112309
2022-04-07-14.13.19.426219
In my bash script I am writing them to a file (where the date is ...
- 183
0
votes
1
answer
176
views
terminal timer with end time given through bash
so I had the idea of making a bash function that takes in a time in hh:mm:ss (24 hour format) and makes a timer till that time
kinda like a one time alarm while also showing how much time is left
I ...
0
votes
0
answers
23
views
Copying folders within archive and preserve metadata
Im using 7zip in ubuntu 22.04 and Im using this command
7z l -slt "/media/azeem/368A-5AA7/airdroid test folder made with winzip.zip"
airdroid test folder made with winzip.zip file is what I ...
0
votes
1
answer
448
views
How to show seconds in time format of KDE lock screen?
I am using Russian locale and I use KDE. When locking screen with Meta + L, you see the current date and time on it. The time is in format "12:34". I want to change it to "12:34:56"...
- 769
0
votes
2
answers
515
views
Issue with timedatectl
Hi can any help me how timedatctl works my understanding are
if system clock sysnc with NTP serivce through internet system time will be updated to current date and time.
If system clock sync with ...
- 59
0
votes
0
answers
85
views
change date languge
I'm working on Reh Hat linux server,I want to change date language to "French".
when I run the command date I get Thu Aug 25 13:30:25 CEST 2022 as you can see, the language used is English ...
0
votes
1
answer
194
views
Add microseconds to date, displayed down to seconds (from Oracle trace file...)
Oracle 10046 trace files contain data like
*** SESSION ID:(501.50681) 2022-08-08T13:27:08.567565+02:00
*** CLIENT ID:() 2022-08-08T13:27:08.567584+02:00
...
WAIT #0: nam='SQL*Net message to client' ...
- 1
0
votes
2
answers
98
views
Select a microservice with awk and create a file with the current date and version
I would like to see the logs for a microservice with the latest version and send its content to a file according to the date.
user@MacBook-Pro ~ % kubectl -n bci-api get pods | grep ms-example-...
- 365
0
votes
0
answers
230
views
Find out who changed the date on linux?
I'm currently trying to change the date on my Linux machine: date +%s -s @1637142120
Somehow, the date gets resented after some seconds. Is there any way to find out which program / system is ...
- 203
0
votes
0
answers
789
views
How to filter for only unique errors in multiple logs using grep?
I am trying to use the following pattern on Ubuntu:
grep -Eri "warning|error|critical|severe|fatal" --color=auto
to find relevant errors in many different .log files recursively in /var/log ...
0
votes
1
answer
169
views
Bash-Script: stop/abord if is last Sunday in March or October?
How can I stop/abort a bash-script when:
is last Sunday in March?
OR
is last Sunday in October?
Both should be checked here and if so the bash script should be stopped/aborted.
Thanks in advance.
...
Omexlu
0
votes
1
answer
40
views
Does change of date or inconsistency between date and hwclock affect to ipv4 (inet addr) in ifconfig in linux?
I have trouble that inet addr(ipv4) of eth0 disappears and eth0 interface becomes unavailable.
I'v not waited for refresh but I thought it would not restore itself.
I guess that It Occurs When I ...
Jaehyung Kim
0
votes
1
answer
34
views
GNU date command jumbling day and year when giving the proper format specifier
I have come across this weird behaviour of GNU date.
date -d "29-May-20 09:29 1 minute" +"%d-%b-%y %H:%M"
gives output: 29-May-20 09:30 --> Note: I have given here the ...
- 405