A technique for scheduling tasks to be run at specific time or on specific event.

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How to determine exact date/time of Windows Update planned restart?

When updates are pending, at login screen of Windows 8 there is a notification Your PC will restart in 1 day to finish installing important updates. Is there a way to determine exact date/time ...
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6answers
8k views

Linux/Bash, how to schedule commands in a FIFO queue?

I want the ability to schedule commands to be run in a FIFO queue. I DON'T want them to be run at a specified time in the future as would be the case with the "at" command. I want them to start ...
3
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1answer
72 views

Thread states linux vs windows

Linux has: ready, blocked, running, terminated. Windows has: Ready, Deferred ready, Standby, Running, Waiting, Terminated, Initialized. Why does Windows have so many states? What advantage does this ...
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3answers
298 views

No Multi-Threading with R on Linux

I'm doing a statistical analysis using R on Ubuntu 15.10 operating system. My R script takes a very long time to complete. About 2 - 3 hours. Meanwhile I've checked my CPUs load. I just noticed that ...
3
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2answers
46 views

Wipe hard-drive split over several days?

My problem is that wiping the drive takes 1.5 days, and I absolutely need to have my computer off during the night. My fan is too noisy, my room is very small, and I sleep next to the computer. Is it ...
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5answers
7k views

Run a script in Linux for a specified amount of time before stopping and restarting

Possibly related to this previous question, I would like to be able to run a task for a specified amount of time, then stop/kill it, then start it again. Specifically, I run the Folding@Home ...
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0answers
137 views

CFQ hard drive scheduling algorithm

The CFQ algorithm uses an ordered set of queues based on the I/O priority of the processes that made the requests. That means there's a queue for process of priority, let say, 1, another one for ...
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2answers
225 views

Run a shell script in background in Unix at specific time daily

I have a shell script task.sh that is needed to be run in background in Unix at specific time daily. I know nohup is useful to run the script in background. But worrying about how to schedule this ...
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3 views

how to debug scheduler with valgrind in this case?

this example code need to recompile kernel to run, however, how to do check with valgrind before it patch to kernel http://www.embedded.com/design/operating-systems/4204980/Real-Time-Linux-...
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1answer
33 views

How to ensure my Data Collector Set runs at certain hours?

I have configured a Data Collector Set in Performance Monitor. There, I gave it a schedule so it start every day at 8:00 AM and record for 16 hours. That works mostly ok: the Data Collector Set does ...
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4answers
2k views

Windows stuck in reboot loop due to existing Scheduled Task

Is there a way to stop Task Scheduler on startup? I ask because I have made mistake while creating task, and now my computer shuts down after 1 min. That's not enough time to open the Task ...
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8answers
36k views

User friendly way to schedule jobs in Mac OS X

Is there any easy way to schedule repeated jobs in Mac OS X? I know I could use cron, but I'm looking for a more user friendly way to do it, a GUI for schedules, something like this.
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1answer
30 views

How to determine the number of processes considered by the short-term scheduler for process allocation

My assignment is to write a script displaying the number of processes considered by the short-term scheduler for process allocation (processes currently ready to run) at any given time. Now, writing ...
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3answers
10k views

Does Win7 support scheduling system image backups?

Is there a way to schedule/automate system image backups in Windows 7 Pro? Or do I have to do it manually every time?
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0answers
39 views

Optimize linux USB hub IO scheduling for external harddrives

When using several harddrives on an USB 3.0 hub, copying large files between them gives transfer rates far below expectation. My guess is, that the hub introduces contention delays as we see if ...
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3answers
11k views

Schedule a job from the Windows command line?

On Linux there is cron job and at job. Is there a way to schedule a job from the command line on Windows? The Task Scheduler GUI is not what I am after. I must modify a script to schedule an event ...
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2answers
599 views

Is there a way to schedule an automatic WinClone run on my Bootcamp partition?

I've currently got time machine setup to back up my entire OS X installation. I also have a backup tool within my Bootcamp Windows 7 installation which automatically backs up my windows profile data ...
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1answer
2k views

Does the Windows scheduler allocate equal length quanta to threads?

Is the time slice (quantum) that the Windows Kernel Dispatcher allocates to threads the same length for every thread, or does it base the size of quantum on the priority of the thread like Linux does?
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3answers
1k views

How to execute a system command one minute after reboot (Linux)?

Is it possible to run a system command such as mount a certain amount of time after system reboot? My problem is that I had an entry in /etc/fstab to mount a host disk in a Linux (Ubuntu) virtual ...
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1answer
142 views

Configuring a cluster

Our cluster is a linux cluster with Torque and Maui. I am reading tutorials online and find that the compilation is only on the head node, and after submitting the job by qsub, the other nodes are ...
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1answer
56 views

Adaptive per-user CPU quota/priority in Windows 8.1

We have a workstation computer in the office running Win 8.1 where multiple users remotely run cpu-intensive processes at the same time. The problem is that one user can hog the cpu making all ...
3
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1answer
4k views

Running a virtual machine on a dedicated processor or core

Our base system runs on Linux but unfortunately the UI has to be on Windows. Its a long story. But thats the requirement. So our idea was to run Windows in a virtual machine using VirtualBox or Xen. ...
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1answer
28 views

Is the scheduling implemated by a particular OS unique?

I just wanted to ask that on a particular OS ,is the implementation of a scheduling algorithm unique,lets say I am implementing round-robin in my OS ,so will every task within my system get executed ...
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3answers
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How can I schedule a time for a song to play in Windows Media Player or iTunes?

How can I launch Windows Media Player or iTunes, playing a song, with the Windows task scheduler. I already know how to create a task and how to trigger it at a given time (launching iTunes / WMP). ...
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1answer
72 views

Laptop ignores critical battery action

I am having an interesting problem with my Lenovo IdeaPad Flex14 laptop. To give a brief of setup: I am running Windows 8.1 Update 1 64-bit on Intel Core-i5 4200U with Intel's built-in GPU. My ...
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3answers
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2answers
111 views

Problems figuring out weekly scheduling and hours past midnight

This is a screenshot of what I have What I'm trying to do is have the hours for each individual person posted as shown or a way that the hours can be posted like this and then have the total amount ...
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0answers
78 views

nice has no effect in Linux unless the same shell is used

If I enter in two different root terminals: nice -n 19 burnK7 & and nice -n -19 burnK7 & Then both processes receive about 50% of the available CPU time - not expected and certainly not ...
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2answers
215 views

Merging Chronological events with task scheduling in Microsoft Project (2013)

Apologies if in wrong sub site. I just started using Microsoft Project (in my case, Professional 2013), and I wanted to know if there is a way to schedule both real world events and tasks. I will let ...
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1answer
74 views

Check if a file is scheduled to be deleted

In Windows, a program can schedule a file to be deleted when the computer restarts. Is there a way to know if a file is scheduled to be deleted, short of restarting the computer, and checking if the ...
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3answers
114 views

Create .bat to do a task at a certain time

I'd like to create a .bat file in Windows 8.1 that does a task (specifically, close a program/kill a process) at a certain time. I usually use the command line (which, I believe, works as a .bat ...
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2answers
772 views

WinXP SP3: run batch file when system returns from hibernation

I want to run a *.bat file every time system returns/"wakes up" from hibernation (NOT a sleep mode). How can I do that? System: Win XP SP3. I would very strongly prefer to solve it without using 3rd ...
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5answers
4k views

Does Windows Defender update if Windows Update is set to manual?

It looks like the Windows Defender in Windows 8 won't upgrade the signatures automatically, if Windows Update is set to "Notify, but don't install the upgrades". Is my impression real? Is there is a ...
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0answers
64 views

Will Linux select the fastest CPU in a SMP system

In a system with for example two physical CPU's, four cores per CPU. If one physical CPU is slower (lower clockspeed, other model) will the Linux process scheduler be smart enough to migrate a high ...
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1answer
619 views

Problems installing .ppd files (PERL) from CronW v2.0

I wanna test CronW to have some (acceptable) task scheduler under Windows XP, but after installing the v2.0 .exe and the .msi of ActivePerl v5.16.3 (both 32 bits), the next step of installation (...
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0answers
106 views

Schedule a task using Java

Is it possible to schedule an executable file to run just before log-out using Java? I am working on an application that needs to send a message to the server just before the system log-out/shutdown, ...
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3answers
8k views

How does Windows processor affinity work with hyperthreaded CPUs?

How does Windows processor affinity work with hyperthreaded CPUs? Let's use an example (pictured) of a system with four cores, each with a hyper-threaded virtual core. Which cores correspond to each ...
2
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1answer
4k views

Create an archieve with current date and time in file name using 7z command line

Today I lost my whole Far Cry 3 save game suddenly. So now I want to backup it's save game folder automatically on a certain period of time using windows task scheduling. I want to include date and ...
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1answer
139 views

Is it possible to limit SSH access for certain users based on schedule?

As the title says, I'm looking for a way to limit SSH access to certain users, so that they can connect only during a certain time period. Let's say, username "A" can access SSH only during office ...
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1answer
76 views

How to learn the current network scheduler used in my linux machine?

How can I learn what network scheduler for packet selection is used in my linux system? Thanks!
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2answers
59 views

52 Week Scheduling Software

I'm looking for software where we could set up a 52 week schedule of tasks, and be alerted when a task comes due (with reminders). The types of tasks would include for example a specific type of ...
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2answers
192 views

Does an operating system itself take up resources (aside from the space it is installed on)?

I just finished a course on operating systems and the definition of an operating system is still unclear to me. Does any operating system itself take up resources such as CPU and memory? For example ...
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2answers
506 views

Does an operating system intervine after each time slice/quantum?

In the context of process scheduling, does the operating system intervene after each time slice/quantum ends? For example if the computer was idle and 4 tasks arrived : t1, t2, t3 and t4, and they got ...
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1answer
245 views

How a scheduler is scheduled?

A scheduler being a system program must be scheduled for execution so that it can wake up and schedule other programs. I read about process scheduling and algorithms but couldn't figure out how a ...
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0answers
35 views

Windows Azure HPC Scheduler Architecture

So far I've found very little information on the scheduling policy, resource management policy of Azure HPC Scheduler. I would appreciate any kind of information regarding some of these questions: ...
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1answer
76 views

crontab schedule rule misunderstanding

I've got some strange behavior of one rule working unexpected. */40 * * * * myshellcommand here I though it would run each 40 minutes, e.g. 00.00 00.40 01.20 02.00 etc but instead it runs 00.00 ...
0
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1answer
207 views

Schedule email sending time in apple Mail 6.2

Is it possible to schedule the time that an email is sent in Mail so it can be sent when I'm away from my desk (I'm running v6.2 in Mountain Lion)
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4answers
129 views

Where can I find an online scheduler to organize a trip?

I need to organize a trip with friends, and this is the opportunity to check free online schedulers. Is Google Calendar the right tool for this, or are there better alternatives? Ideally, it should ...
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25 views

Linux software to emulate bugle calls at home [closed]

A Bugle Call is, according to Wikipedia, ...a short tune, originating as a military signal announcing scheduled and certain non-scheduled events on a military installation, battlefield, or ...
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1answer
40 views

Priority increase when I look into task manager

This is my observation, in Windows many times when we start any application, it won't start but process name gets added in task manager. When I click on it or try to end process, it immediately gets ...