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<p style="margin-top:0;margin-bottom:0">Hi Wes,</p>
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<p style="margin-top:0;margin-bottom:0">Here is a reference about TimeZone for DHCP:</p>
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<a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__www.lorier.net_docs_dhcp-2Dtimezone.html&d=DwMGaQ&c=lz9TcOasaINaaC3U7FbMev2lsutwpI4--09aP8Lu18s&r=MC4BiMCxQYqEDjREdMYBjgMtK8B97Elv6HGMlZhd7K4&m=WUGI1AcrX1w2ZWn6eahNLGiHbjwHVSs5Px4eiFLk0aM&s=lm-xlpGfV36MquPdyvUoXYbeygtHpip8PouLE_oV-nA&e=" class="OWAAutoLink" id="LPlnk748376">https://www.lorier.net/docs/dhcp-timezone.html</a>
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<a id="LPUrlAnchor_15266556920500.6332640866036869" href="https://urldefense.proofpoint.com/v2/url?u=https-3A__www.lorier.net_docs_dhcp-2Dtimezone.html&d=DwMGaQ&c=lz9TcOasaINaaC3U7FbMev2lsutwpI4--09aP8Lu18s&r=MC4BiMCxQYqEDjREdMYBjgMtK8B97Elv6HGMlZhd7K4&m=WUGI1AcrX1w2ZWn6eahNLGiHbjwHVSs5Px4eiFLk0aM&s=lm-xlpGfV36MquPdyvUoXYbeygtHpip8PouLE_oV-nA&e=" target="_blank" style="text-decoration: none;">How to specify timezones with DHCP - lorier.net</a></div>
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www.lorier.net</div>
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How to specify timezones with DHCP. One thing that can be useful for locations where you have lots of travellers, is to have your DHCP server specify the timezone that people should be using.</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Wesley Moore <wmoore@jlab.org><br>
<b>Sent:</b> Friday, May 18, 2018 7:33 AM<br>
<b>To:</b> Williams Jr., Ernest L.<br>
<b>Cc:</b> Slepicka, Hugo Henrique; Hoobler, Sonya; lerftest-ctrls@jlab.org<br>
<b>Subject:</b> Re: [Lerftest-ctrls] linxuRT CPU system time</font>
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<div class="" style="word-wrap:break-word; line-break:after-white-space">Will have that in shortly. Do I need this also?
<div class=""><br class="">
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<div class=""><span class="" style="font-family:monospace; font-size:16px">option posix-tz-string code 100 = text; </span><br class="" style="font-family:monospace; font-size:16px">
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<div>Wesley</div>
<div><br class="">
<blockquote type="cite" class="">
<div class="">On May 18, 2018, at 10:26 AM, Williams Jr., Ernest L. <<a href="mailto:ernesto@slac.stanford.edu" class="OWAAutoLink" id="LPlnk144056" previewremoved="true">ernesto@slac.stanford.edu</a>> wrote:</div>
<br class="x_Apple-interchange-newline">
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<div class="" style="margin-top:0px; margin-bottom:0px">Hi Wes,</div>
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<div class="" style="margin-top:0px; margin-bottom:0px">Can you set the timezone parameter in your DHCP Config for the Linux RT CPU section?</div>
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<span class="">Please use this for JLAB ===> <span class="">option posix-tz-string </span>"EST5EDT, M3.2.0, M11.1.0";</span>
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<div class="">Snippet from what we have here at SLAC:</div>
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<div class="">--- dhcp.conf snippet ---------------------------------------------------------------------</div>
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<div class=""><span class="" style="font-family:monospace"># ===========================================<span class="x_Apple-converted-space"> </span><br class="">
# Let's set time zone for linuxRT CPUs<span class="x_Apple-converted-space"> </span><br class="">
# ===========================================<span class="x_Apple-converted-space"> </span><br class="">
option posix-tz-string code 100 = text;<span class="x_Apple-converted-space"> </span><br class="">
<br class="">
# -----------------------------------------------------------------------------<span class="x_Apple-converted-space"> </span><br class="">
# client device definitions<span class="x_Apple-converted-space"> </span><br class="">
# -----------------------------------------------------------------------------<span class="x_Apple-converted-space"> </span><br class="">
group {<span class="x_Apple-converted-space"> </span><br class="">
<br class="">
# ===========================================<span class="x_Apple-converted-space"> </span><br class="">
# # Let's set time zone for linuxRT CPUs<span class="x_Apple-converted-space"> </span><br class="">
# # =========================================== <br class="">
option posix-tz-string "PST8PDT,M3.2.0,M11.1.0";<span class="x_Apple-converted-space"> </span><br class="">
<br class="">
<br class="">
if exists user-class and option user-class = "iPXE" {<br class="">
</span><br class="">
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<div class=""><br class="">
<br class="">
<br class="">
Cheers,</div>
<div class="">Ernest<br class="">
<div class="" style="">
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<div id="x_divRplyFwdMsg" dir="ltr" class=""><font face="Calibri, sans-serif" class="" style="font-size:11pt"><b class="">From:</b><span class="x_Apple-converted-space"> </span>Lerftest-ctrls <<a href="mailto:lerftest-ctrls-bounces@jlab.org" class="OWAAutoLink" id="LPlnk305388" previewremoved="true">lerftest-ctrls-bounces@jlab.org</a>>
on behalf of Slepicka, Hugo Henrique <<a href="mailto:slepicka@slac.stanford.edu" class="OWAAutoLink" id="LPlnk214336" previewremoved="true">slepicka@slac.stanford.edu</a>><br class="">
<b class="">Sent:</b><span class="x_Apple-converted-space"> </span>Thursday, May 17, 2018 2:26 PM<br class="">
<b class="">To:</b><span class="x_Apple-converted-space"> </span>Hoobler, Sonya; <a href="mailto:lerftest-ctrls@jlab.org" class="OWAAutoLink" id="LPlnk634318" previewremoved="true">
lerftest-ctrls@jlab.org</a><br class="">
<b class="">Subject:</b><span class="x_Apple-converted-space"> </span>Re: [Lerftest-ctrls] linxuRT CPU system time</font>
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<div class="x_BodyFragment"><font size="2" class=""><span class="" style="font-size:11pt">
<div class="x_PlainText">Hi Sonya,<br class="">
<br class="">
Yes we will need to deal with that soon.<br class="">
The DHCP server also had a TZ configuration that Wesley was going to address... @Wesley is this fixed after moving the dhcpd.conf to your dhcp server?<br class="">
<br class="">
Cheers,<br class="">
Hugo<br class="">
<br class="">
On 5/17/18, 2:24 PM, "Lerftest-ctrls on behalf of Sonya Hoobler" <<a href="mailto:lerftest-ctrls-bounces@jlab.org" class="OWAAutoLink" id="LPlnk672134" previewremoved="true">lerftest-ctrls-bounces@jlab.org</a> on behalf of
<a href="mailto:sonya@slac.stanford.edu" class="OWAAutoLink" id="LPlnk518187" previewremoved="true">
sonya@slac.stanford.edu</a>> wrote:<br class="">
<br class="">
Hi Hugo,<br class="">
<span class="x_Apple-converted-space"> </span><br class="">
I see commonSetup.sh sets the time zone to SLAC time:<br class="">
<span class="x_Apple-converted-space"> </span><br class="">
export TZ=PST8PDT<br class="">
<span class="x_Apple-converted-space"> </span><br class="">
How do we want to handle this?<br class="">
<span class="x_Apple-converted-space"> </span><br class="">
And actually, the linuxRT CPU system time is 8 hours ahead:<br class="">
<span class="x_Apple-converted-space"> </span><br class="">
#date<br class="">
Thu May 17 22:19:05 PDT 2018<br class="">
<span class="x_Apple-converted-space"> </span><br class="">
so that is odd.<br class="">
<span class="x_Apple-converted-space"> </span><br class="">
Thanks,<br class="">
Sonya<br class="">
<span class="x_Apple-converted-space"> </span><br class="">
<span class="x_Apple-converted-space"> </span><br class="">
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