Time is a dimension in which events can be ordered from the past through the present into the future, and also the measure of durations of events and the intervals between them.

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6answers
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How to measure boot time?

I was wondering what is the "proper" or "most significant" way in which to measure the boot time of a client machine: From turn on to login prompt From turn on to login prompt (HDD light off) From ...
0
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3answers
774 views

Getting irregular timestamps on NFS file server

Here is the situation: We have a file server that is not saving timestamps to a small portion of its files (77 files out of several million). It instead writes a default mtime of 1969-12-31 19:00 ...
1
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2answers
11k views

Changing system date & time in OpenSuse 11.1

Opensuse 11.1 date command shows: # date Wed Dec 23 11:43:27 EST 2009 And I want to change it to current date i.e. July 29 00:50:12 2009. The command I am using to do that is # date -s "29 July ...
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3answers
4k views

Public free time server

I need to get the current datetime from a reliable source, because its likely that the local system time could be changed. Is it possible to get this from an internet time server, one that has close ...
3
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2answers
130 views

Timing of programs in Windows

Is there a Windows equivalent of the time Unix command? time measures the time spent by a process in both user and kernel lands. $ time for i in `seq 100`; do echo -n HI; done ...
1
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3answers
497 views

Time based php script

Say I want a php script the run the function itstime() every hour. Other than setting up a cron job on the server how can I do this? Or is this not possible because php scripts need to be opened to ...
7
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7answers
3k views

Why is the time messed up on my Ubuntu Server VPS?

A month back loads of services on my VPS stopped working. After messing about for an hour or so i worked out that the time had frozen. I gather it was some sort of virtualization bug and a reboot soon ...
1
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6answers
2k views

Share processor time between computers

I'm a developer and I use lots of applications gadgets. (I WORK ON WINDOWS) I have two computers (HP Dual Core (3.2Ghz) one with 512Mb and one with 1Gb RAM). So I work on both, but when I work I work ...
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7answers
15k views

Setting time zone on linux (ubuntu)

Here in the UK we are UTC+1. I set the time using 'date'. However it keeps resetting back to standard UTC, I'm guessing via a NTP time server. I've tried setting the timezone with tzselect but it ...
1
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5answers
904 views

Setting Linux time zone

Should /etc/localtime (under RHEL 5.3, not that I think it matters) be: a symlink to /usr/share/zoneinfo/whatever a hard link to /usr/share/zoneinfo/whatever a copy of /usr/share/zoneinfo/whatever ...
2
votes
3answers
3k views

What happens when you sync your hardware clock in a VM?

This thought occured to me and while not an actual problem I'm curious to know. When a virtual machine syncs it's clock with the hardware clock does that sync the hardware clock of the host? Change to ...
0
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2answers
205 views

Limit time change in Windows

Is there a way to limit the users ability to change time by more than an hour?
19
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10answers
18k views

Compare NTPD and ntpdate

What are the pros and cons between these two ways to synchronize your server? It seems to me that your server would probably not drift more than 1 second every day, so ntpdate on a crontab would be ...
6
votes
4answers
1k views

Ubuntu linux takes longer time for incorrect passwords

When I log into my Ubuntu 8.10 box with a correct password the system figures out almost instantaneously that the password is correct and logs me in. However, if I supply an incorrect password, it ...
4
votes
2answers
3k views

Why does Ubuntu 9.04 reset my Windows clock?

I've got a rig with 2 hard drives. I've put Ubuntu 9.04 (Jaunty) on one of the drives and Windows Vista SP2 runs on the other drive. I went with this approach rather than dual boot since I wanted to ...
3
votes
9answers
6k views

Converting to and from epoch time

I often find myself needing to convert from one type of time to another, and haven't found a way I'm consistently happy with. Every time I do a quick google search, I come up with different (sometimes ...
0
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2answers
113 views

Hardware multipliers

Can someone explain the different system multipliers? I know this is a base clock (a.k.a the System clock) then there is a multiplier for the Front side bus (FSB), RAM module, maybe for the RAM ...
1
vote
1answer
3k views

Timezone settings for WebSphere 6.1

We have an application running on WebSphere which does (apart from other things) logging with timestamps. These timestamps are GMT. We are in the CET Timezone (Germany). WebSphere allows to specify ...
5
votes
4answers
46k views

How to synchronize the clock of a windows server 2003 domain server?

Given a windows server 2003 domain server, I'd like to sync it's time to (any) external time services (it's off a couple of minutes). How to do this 1, manually; 2, in an automated manner every week?
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3answers
570 views

The Year 2038 Bug - Y2K38 Problem - Many of your applications will crash: Effects and Solution?

This is my second question relating to DateTime. We test our application for all known possibilities of bugs. I came across this issue a year back and after a lot of research I posted an article on ...
2
votes
5answers
601 views

Accurate DateTime synchronization for Workstations?

How do I synchronize and ensure that the workstations have accurate DateTime synchronized when needed? We have to change workstation date-time for testing some apps. How do I ensure back original ...
6
votes
3answers
743 views

Uptime of a Windows machine

How can one find out 'real' uptime of a laptop? By 'real' I mean the time since turning it on and resuming Windows from hybernation state.
5
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2answers
2k views

Redirecting time.windows.com to internal server

In a corporate environment most machines will be domain joined and therefore get their time from the DCs. However, sometimes you get a machine that isn't in the domain. By default these machines will ...
4
votes
3answers
10k views

DHCP Options for Network Time Server

It looks like there are two options for providing network time settings to a DHCP client; option 004 and option 042. The description for 004 is "Time Server", while 042 specifies NTP. Is there a ...
3
votes
5answers
946 views

Time synchronization and scheduled tasks

If NTP runs at 10:59:55, and fixes the time to 11:00:13, does chron run the 11:00:00, and *:00:00 tasks, or are they skipped? Alternately, if NTP runs at 11:00:00 and fixes the time to 10:59:48, do ...
9
votes
9answers
6k views

Time drift

How do you deal with server time drift?
3
votes
4answers
2k views

Getting Windows Vista to use our domain server's time

I am in charge of a small domain of 20 or so computers. I recently found how to get the windows XP machines to get their time from our domain controller using this batch file: call w32tm /config ...
35
votes
4answers
18k views

Windows Server unable to synchronize NTP time reliably

Why does Windows Server (2008, in this case, but I've seen the same problem in 2003) seem to have problem synchronizing time? I've seen this error in my System log across a variety of servers: The ...