A utility used for scheduling an event to happen once at some point in the future.

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1answer
27 views

Remove created file after x minutes

I have a directory /my/path/tmpimages. Whenever a file is copied/created there, add a timer that remove that file after x minutes. What I found is that I need to use inoticoming or incrond to watch ...
1
vote
1answer
81 views

How to execute recurring Bash script at specific times?

How would I set a script to execute on every Tuesday and Thursday at 11:50am? I've been looking at the at command, but I can't conceive how to use it the way I need to from its man page.
1
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1answer
29 views

What is making “at” in AIX add a “cd /some/path/here” prior to my explicit commands?

When I execute the following command: cd /some/path/here at -t 201409301100 ls -al <CTRL-D> at -lov I get the following output: ======================== myusername.1411755840.a Mon Sep 30 ...
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2answers
31 views

How do I make “at”-tasks repeat at a specific time?

I want to schedule a script to run every Monday at 9am. How can I do this? I can only find examples for given days, not repeating things with at. Cron is not a solution.
2
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3answers
114 views

at job seems to be running using /bin/sh though I have a #!/bin/bash

I am trying to run a job using at, and I have a bash script (I do have #!/bin/bash as the first line), but the job fails because of use of [[ and ]] in the script, I see the following in the mail that ...
3
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1answer
29 views

X commands do not start from my at job

I'm learning about Linux scheduling commands including at, cron, sleep etc. I'm trying to launch gedit after x minutes via the at command. This is what I have: kedar@i5 ~ $ at now + 1 minute at now + ...
0
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2answers
53 views

`cron` service and `at` command

Help to understand: is there any relation between cron and at command. Actually if I stop the cron services in SUSE by running following command: /etc/init.d/cron stop after above, if I run at ...
2
votes
3answers
53 views

at command - totally stuck

I'm trying to perform a one-liner using at. Basically, I want to send an SMS at some point in the future. Here's my command to send an SMS: php -r ...
4
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2answers
443 views

Schedule job at irregular intervals

It's simple enough to use cron to schedule a job to occur periodically. I'd like to have something occur less regularly -- say, run the job, then wait 2 to 12 hours before trying again. (Any ...
2
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2answers
73 views

Are logs kept for past at jobs?

I ran a few jobs with at command and, if possible, I want to see which commands I ran in what directories. I work with Linux Mint 16 if this is relevant.
1
vote
1answer
94 views

Kill all queued jobs

I need to kill all the queued and running jobs on my ID. I have tried at -l | awk '{print $1}'| at -r {} But I keep getting {} does not exist Which leads me to believe that I am parsing ...
1
vote
1answer
54 views

Is it possible to use the at command to schedule a job to run at a given timestamp?

I want to schedule a file to run using the at command, as described in this tutorial. I see that the at command supports the posix format -- but I don't see any mention of timestamps. Surely it is ...
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0answers
44 views

at and daylight saving time

Suppose I have added a task via at -t specifying the next day in my timezone. The next day my timezone changes as of daylight saving time. The question is whether the task will be executed correctly ...
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5answers
5k views

Why do we need “at” command in linux

I was studying a code in which the at command is used. I looked around it and found that it is used to execute batch jobs. It is used to schedule jobs. Its given a input of command and time ...
3
votes
3answers
171 views

stopping atd job at specified time

I'm trying to schedule download at nights. I have created a atd job which starts download script at 2 AM. Now I want to stop the same job at 7 AM if it is still running. What I'm doing now is just ...
3
votes
1answer
83 views

What will at actually execute?

If I do atq I can see a list of what is scheduled via at command. But how do I see what is the command that will actually run?
1
vote
1answer
290 views

at.allow and at.deny precedence (in Ubuntu)?

It's clear from documentation about cron that if cron.allow and cron.den both exist then cron.allow takes precedence and it is allowed. What is the case for at.allow / at.deny? Everywhere I've ...
3
votes
1answer
238 views

Reset atq list to zero?

I have been using at for quite a while now, and I noticed that the at job ids seem to increment forever. $ atq 332 Mon Sep 23 17:25:00 2013 a cklein $ # I'm up to 332 at jobs! Interestingly, at ...
4
votes
2answers
330 views

How and where is the at command configured?

When I install a new Linux system, one of my first tasks is to have crontab send all its email to a designated email address, not root. I want to do the same for the at command. That is I would like ...
0
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1answer
101 views

My at command failed to reschedule. How can I debug this?

When using at is there a limitation on the amount of minutes to use? E.g I rescheduled programmatically via a script to run in the next 2014.989 minutes (taken from the log) but when I do atq I don't ...
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2answers
1k views

Why does `at` warn me that commands will be executed using /bin/sh? What if I want a different shell?

I tried to use at from within a script of mine and it prints: warning: commands will be executed using /bin/sh How would I use different shell if I wanted?
2
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2answers
1k views

How to install and use at job scheduling?

I am not clear on the following: Is the process for at available to all linux installations? Or do would I need to do something to "install" it?
8
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3answers
2k views

Why does this 'at' command not print to the standard output?

I am a relative Linux novice. I am trying to learn how to use at so that I can schedule tasks to begin at a later time, without using sleep. I have been looking at this previous question for help. ...
2
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1answer
99 views

Daemons send mail when it exits

I'm not sure if daemon is the correct term but we have a number of processes (ksh scripts) that we start with the "at" command on AIX. Hopefully they run until they are told to shutdown down, at ...
0
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2answers
65 views

Delete file at specified time non-interactively

I have a script that when executed generates a temp file that i want deleted 10 minutes after the script completes. I have looked at the "at" command which does what I need, but it requires ...
1
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1answer
121 views

How to more easily specify tasks for batch, using command prefix tool?

The tool batch that comes with the atd daemon is pretty useful in principle, running commands only when the system utilisation falls below a certain level (by default, 1.5). However, using it (and ...
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0answers
98 views

at daemon creates empty tasks

I have problem with atd daemon. If at is called by non-root, it creates task, but it is empty (content of /var/spool/atd). I do not remember what I have done before it broke that way. What else ...
2
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1answer
922 views

How can I list my `at` jobs by date?

I am using atq command, but I need to list my at jobs by date. How is that possible ?
10
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4answers
4k views

Remove all `at` jobs

I know that to remove a scheduled at job I have to use atrm "numjob1 numjob2", but is there an easy way to do that for all the jobs?
4
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3answers
1k views

How to pass arguments to bash shell script when executing that command with at?

I have a shell script that accepts an argument and uses that in the script. So to run the script I type /path/to/script argument The problem is when trying to setup that file to run using the at ...
4
votes
4answers
826 views

How to prevent atd from running past jobs?

The at daemon is a great tool! However, if a job is scheduled for 8:00 am and the machine is off at that time, at will run the job whenever the machine is booted. What I would like to do is stop it ...
1
vote
2answers
382 views

Automate creation of an at job using expect

I am trying to write a script that will take time and process-name and pass them to at to schedule the job. I cannot send the EOT. #! /usr/bin/expect # Usage: setupkill.exp time process. ...
2
votes
1answer
1k views

Where does the output go from `at` and `cron` jobs

Where does standard output go given there is now screen? It's not appearing in the same directory or my home directory. How could I actually figure this out given that I don't know how to run debug ...
3
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1answer
283 views

Why doesn't dzen2 work when invoked via at?

dzen2 is a notification utility of sorts. This command will make a notification that says "Hi" appear on the screen: echo Hi | dzen2 -p Debian's at is a utility that schedules events to occur in ...