| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
7303
|
Tue Aug 28 19:21:37 2012 |
janosch | Metaphysics | Ringdown | ripples | Hmm. I don't know what ringing really
is. Ok, let's assume it has to
do with the pump... I don't see how |
|
|
7304
|
Tue Aug 28 20:23:54 2012 |
Koji | Metaphysics | Ringdown | ripples | Laser frequency shift = longitudinal motion
of the mirrors
Ringing: http://www.opticsinfobase.org/ol/abstract.cfm?uri=ol-20-24-2463 |
|
|
7305
|
Wed Aug 29 09:35:03 2012 |
janosch | Metaphysics | Ringdown | ripples 2 | Ok, so the whole idea that mirror motion
can explain the ripples is nonsense. At least,
when you think off the ringdown with |
|
|
1383
|
Wed Mar 11 01:16:40 2009 |
rana | Summary | IOO | rogue trianglewave in the MC Servo offset slider | On Monday
evening, I ran this command: trianglewave
C1:IOO-MC_REFL_OFFSET 0 4 120 600;ezcawrite |
|
|
14266
|
Fri Nov 2 10:24:20 2018 |
Steve | Update | PEM | roof cleaning | Physical plan is cleaning our roof and
gutters today. |
|
|
11966
|
Mon Feb 1 14:08:06 2016 |
Steve | Update | PEM | roof condtion is good | It rained hard yesterday. We have not had
this strong downpoor for years. We got |
|
|
3495
|
Tue Aug 31 13:31:00 2010 |
steve | Update | PEM | room temp lowered | I lowered room 101 thermostat setting from
74F to 72F |
|
|
3497
|
Tue Aug 31 15:26:46 2010 |
rana | Update | PEM | room temp lowered | And I raised it back to 73F. The thermometers
on the wall show 74-75F as the actual room
temp. The dial on the temperature controller |
|
|
2646
|
Sun Feb 28 23:47:52 2010 |
rana | Update | Computers | rosalba | Since Rosalba wanted to update ~500
packages, I let it do it. This, of course,
stopped the X server from running. I downloaded |
|
|
6573
|
Thu Apr 26 16:35:34 2012 |
Jamie | Summary | CDS | rosalba now running Ubuntu 10.04 | This morning I installed Ubuntu 10.04 on
rosalba. This is the same version that
is running on pianosa. The two machines |
|
|
6653
|
Mon May 21 19:16:55 2012 |
Koji | Update | General | rossa X config | I rebooted rossa and the X sever has stalled. |
|
|
14780
|
Fri Jul 19 17:42:58 2019 |
gautam | Update | General | rossa Xdisp bricked | For some reason, rossa's Xdisplay won't
start up anymore. This happened right after
the UPS reset. Koji and I tried ~1.5 hours |
|
|
14794
|
Sun Jul 21 22:16:34 2019 |
rana | Update | General | rossa Xdisp bricked | "bricked" is to mean that it
has the functionality of a brick and can
be tossed. But rossa seems to have just gotten |
|
|
16075
|
Thu Apr 22 14:49:08 2021 |
gautam | Update | Computer Scripts / Programs | rossa added to RTS authorized keys | This is to facilitate running of scripts
like the CDS reboot script, mx_stream restart,
etc, from rossa, without being pwd prompted |
|
|
14784
|
Sat Jul 20 11:24:04 2019 |
gautam | Update | General | rossa bricked | Summary:
SnapPy |
|
|
6662
|
Tue May 22 20:24:06 2012 |
Jamie | Update | Computers | rossa is now running Ubuntu 10.04 | Now same as pianosa and rosalba.
I'll upgrade allegra on Friday. |
|
|
3524
|
Sun Sep 5 21:35:41 2010 |
rana | Configuration | Computers | rossa notes | **** Deleted
apps/emacs
apps/linux64/firefoxold |
|
|
3531
|
Tue Sep 7 10:50:53 2010 |
josephb | Configuration | Computers | rossa notes | The controls group is user id 500 by default
on most new machines. Unfortunately, the
user ID used across the already existing |
|
|
3539
|
Tue Sep 7 23:17:45 2010 |
sanjit | Configuration | Computers | rossa notes |
|
|
|
3557
|
Sat Sep 11 03:16:51 2010 |
rana | Configuration | Computers | rossa notes | I wiped out the old CentOS install on rossa
and installed CentOS 5.5 on there. The DVDs
are on a spindle in the control room; there |
|
|
3559
|
Sun Sep 12 22:36:03 2010 |
rana | Configuration | Computers | rossa notes | I found Sanjit's instructions for doing
the Nvidia settings too complicated and so
I followed these instructions from Facebook: |
|
|
3517
|
Thu Sep 2 21:22:31 2010 |
Sanjit, Koji | Configuration | Computers | rossa nvidia driver and dual monitor configuration |
Simple steps (but don't try these
on a working computer without getting some |
|
|
3518
|
Thu Sep 2 23:35:33 2010 |
rana | Configuration | Computers | rossa nvidia driver and dual monitor configuration | Why are we running CentOS 4.8 instead of
5.5 ? What runs at LLO?
What runs in Downs? |
|
|
3521
|
Fri Sep 3 11:23:16 2010 |
josephb | Configuration | Computers | rossa nvidia driver and dual monitor configuration | At LLO the machines are running Centos 5.5.
A quick login confirms this. Specifically
the release is 2.6.18-194.3.1.el5.
|
|
|
15447
|
Wed Jul 1 18:16:09 2020 |
gautam | Update | Computers | rossa re-re-revival | In an effort to make a second usable workstation,
I did the following (remotely) on rossa today
(not necessarily in this order, I wasn't |
|
|
15449
|
Sun Jul 5 16:14:41 2020 |
rana | Update | Computers | rossa re-re-revival | maybe we should make a "dd" copy
of pianosa in case rossa has issues
and someone destroys pianosa by accidentally |
|
|
14925
|
Wed Oct 2 20:45:18 2019 |
rana | Update | Computers | rossa revival | Formatted and re-installing OS on rossa
for the 3rd or 4th time this year. I suggest
that whoever is installing software |
|
|
14935
|
Thu Oct 3 21:50:22 2019 |
rana | Update | Computers | rossa revival | Got the network to work again just by unplugging
the power cord and letting it sit for awhile.
But corrupted OS by trying to install Nvidia |
|
|
14994
|
Mon Oct 28 18:55:06 2019 |
rana | Update | Computers | rossa revival | back
on new Rossa from Xi computing
switched to using Display |
|
|
15141
|
Wed Jan 22 16:38:01 2020 |
rana | Update | Computers | rossa revival | wiped and install Debian 10 on rossa today
still to be done: config it as
CDS workstation |
|
|
13487
|
Mon Dec 18 17:48:09 2017 |
rana | Update | Computers | rossa: SL7.3 upgrade continues | Following instructions
from LLO-CDS fo the rossa upgrade. Last time
there were some issues with not being to |
|
|
14023
|
Tue Jun 26 22:06:33 2018 |
rana | Update | Computers | rossa: SL7.3 upgrade continues: DTT is back | I used the following commands to
get diaggui to run on rossa/SL7:
controls@rossa|lib64> |
|
|
14025
|
Wed Jun 27 19:05:20 2018 |
rana | Update | Computers | rossa: SL7.3 upgrade continues: DTT is back | UNELOGGED: someone has changed
Pianosa from Ubuntu/Dumbian into SL7. Might
be hackers. |
|
|
15463
|
Thu Jul 9 16:16:20 2020 |
gautam | Update | Computers | rossa: graphics driver issues? | I noticed these streaky lines again today
(but they were not a problem last night).
It is annoying if we have to reboot this |
|
|
15452
|
Mon Jul 6 00:37:28 2020 |
gautam | Update | Computers | rossa: lib symlink | This is strange - I was definitely able
to launch medm when I was working on this
machine remotely on Friday. But now, there |
|
|
15454
|
Mon Jul 6 12:43:02 2020 |
rana | Update | Computers | rossa: lib symlink | yes, I rebooted yesterday to fix the 'steaking
white lines' problem in the video/display
maybe we're supposed to edit |
|
|
15469
|
Sat Jul 11 00:10:22 2020 |
gautam | Update | Computers | rossa: more developmental work | After some consultation with Erik von Reis
at LHO, this workstation is progressing towards
being usable |
|
|
15473
|
Mon Jul 13 11:33:18 2020 |
rana | Update | Computers | rossa: more developmental work | I too, would prefer py3 for everything,
but aren't all the cdsutils / gaurdian
things still python2? |
|
|
15475
|
Mon Jul 13 12:37:05 2020 |
gautam | Update | Computers | rossa: more developmental work | In fact, all these utilities are now available
in python3. There may be some bugs (e.g.
this), |
|
|
15460
|
Wed Jul 8 22:50:33 2020 |
gautam | Update | Computers | rossa: more symlinks | I wanted to try using rossa as my locking
workstation today. However, a few problems
became quickly evident. Basically, any of |
|
|
15451
|
Sun Jul 5 18:39:57 2020 |
rana | Update | Computers | rossa: printer | I did
sudo usermod -a -G |
|
|
15455
|
Mon Jul 6 12:51:41 2020 |
gautam | Update | Computers | rossa: resolvconf installed | Indeed, this is now fixed by following
instructions from here.
I rebooted rossa at ~1250 PDT and confirmed |
|
|
13044
|
Mon Jun 5 21:53:55 2017 |
rana | Update | Computers | rossa: ubuntu 16.04 | With the network config, mounting, and
symlinks setup, rossa is able to be used
as a workstation for dataviewer and MEDM. |
|
|
6205
|
Tue Jan 17 03:10:27 2012 |
kiwamu | Configuration | IOO | rotated lambda/2 plate | I have slightly rotated the lambda/2 plate,
which is used for attenuating the REFL beam's
power on the AS table |
|
|
7990
|
Mon Feb 4 10:45:51 2013 |
Jamie | Summary | General | rough analysis of aligned PRM-PR2 mode scan | Here's a sort of rough analysis of the
aligned PRM-PR2 cavity mode scan.
On Friday we took some mode scan |
|
|
7991
|
Mon Feb 4 11:10:59 2013 |
Koji | Summary | General | rough analysis of aligned PRM-PR2 mode scan | The expected finesse is 100ish. How much
can we beleive the measured number of 50?
From the number we need to assume |
|
|
7994
|
Mon Feb 4 19:33:19 2013 |
yuta | Summary | General | rough analysis of aligned PRM-PR2 mode scan | [Jenne, Yuta]
We redid PRM-PR2 cavity scan because |
|
|
7997
|
Tue Feb 5 02:04:44 2013 |
yuta | Summary | General | rough analysis of aligned PRM-PR2 mode scan | I redid PRM-PR2 cavity scan using oscilloscope
to avoid anti-aliasing effect.
Measured |
|
|
7998
|
Tue Feb 5 03:16:51 2013 |
Koji | Summary | General | rough analysis of aligned PRM-PR2 mode scan | 0.764 and 0.751 do not give us the stdev
of 0.005.
I have never seen any Yokogawa in |
|
|
8000
|
Tue Feb 5 10:09:08 2013 |
yuta | Summary | General | rough analysis of aligned PRM-PR2 mode scan | stdev of [0.764, 0.751] is 0.007, but what
we need is the error of the averaged number.
Statistical error of the averaged number |
|