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Faheem Mitha
Faheem Mitha
3:12 AM
@terdon "egregious" is a fun word. People should use it more often.
 
 
2 hours later…
Jackzz
Jackzz
5:34 AM
@Pandya: sure
 
Pandya
Pandya
@Jackzz is your .desktop file has execution permission (chmod +x)?
 
Jackzz
Jackzz
Not yet..I missed to add it..
@Pandya Added execute permission..And could execute it from file manager.. But on reboot nothing happens
 
Pandya
Pandya
After adding, check whether works with double-clicking with file-manager or not?
 
Jackzz
Jackzz
works
@Pandya: My application creates two files and logs error messages to one and screenshot to the other. Doubleclicking on .desktop file generates both the files.
 
Pandya
Pandya
5:57 AM
@Jackzz putting other .desktop files at /etc/xdg/autostart works?
@Jackzz You can also try with Exec=bash -c '/home/anaswara/eclipse_agent/bin/Screenshot'
and check if it works on startup or not?
I've to leave chat-room now, I will be back within an hour
 
Jackzz
Jackzz
@Pandya: changing the value of EXEC as u told also didnt help.. at startup the application is not executed :(
 
Pandya
Pandya
6:30 AM
@Jackzz Hmm.. interesting problem. (how about this?) and can give some information about your file /home/anaswara/eclipse_agent/bin/Screenshot
I mean if it is a script then can you display the contents?
By the way, Also try putting your .desktop file at ~/.config/autostart/ @Jackzz
 
Jackzz
Jackzz
I is not a script..It is the executable generated from a cpp program
I tried that...I didnt have a autostart directory in .config. So created one and tried.. Still no hope...
 
Pandya
Pandya
FYI:you can find most of application's desktop file at /usr/share/applications/
make sure if your Screenshot application requires additional permission i.e root-user etc.
 
Jackzz
Jackzz
6:47 AM
I copied firefox.desktop from usr/share/applications to /etc/xdg/autostart and it worked.. Browser was opened at startup..
 
Pandya
Pandya
tested ok
 
Jackzz
Jackzz
@Pandya: Additional permission is not required.. and if it requires should I specify something more?
 
Pandya
Pandya
@Jackzz I think if .desktop working fine with double clicking with file-manager as normal user, then no necessity
 
Jackzz
Jackzz
@Pandya: yes..it works fine
 
Pandya
Pandya
@Jackzz sorry; I can't get solution to your problem... (just for clarification: at start-up you don't find generated file as mentioned here right?)
I mean file(s) are not generating?
 
Jackzz
Jackzz
6:54 AM
Yes...files are not generated
 
Pandya
Pandya
By the way where file(s) are generated?
 
Jackzz
Jackzz
@Pandya: at /home/anaswara/Desktop
 
Pandya
Pandya
If different drive/partition, then may it not be mounted
but not in your case. ok
 
Jackzz
Jackzz
@Pandya: So????What shall I do now
 
Pandya
Pandya
@Jackzz I can't help in problem with launching desktop file but try to add your command with gnome-session-properties:
The problem may be: The process/application on which your Screenshot depends or defined-with may not ready/start when your Screenshot auto-starts!
@Jackzz in order to work-around for above mentioned problem you can try something like Exec=bash -c 'sleep 10; /home/anaswara/eclipse_agent/bin/Screenshot'
where "sleep 10" will hold for 10seconds and then execute /home/anaswara/eclipse_agent/bin/Screenshot.
tip: no-need to reboot, you can just check with log-out and re log-in @Jackzz
lunch time for me (in India) good-bye!
 
 
2 hours later…
Jackzz
Jackzz
9:39 AM
@Pandya: I copied a .desktop file from the same folder and edited it to run my application. And it worked... Created a new .desktop file with the same entries.. But it failed.
 
Pandya
Pandya
@StéphaneChazelas I've just tried to make your post better if you don't mind
@Jackzz you can compare files with diff command
 
Jackzz
Jackzz
9:57 AM
@Pandya : no difference. Onlu Name differs. Is there some other propertied to be set?
 
Pandya
Pandya
@Jackzz I don't think. but make sure read permission
For me, all files under /etc/xdg/autostart/ have "-rw-r--r-- 1 root root"
 
Stéphane Chazelas
Stéphane Chazelas
10:27 AM
@Pandya Thanks.
 
Jackzz
Jackzz
@Pandya: All files except the one that does not run have same permission as yours. Taht file has -rwxr-xr-x 1
 
Ramnath
Ramnath
11:14 AM
Friends, I need help with running a bash file...

#!/bin/bash
# Delete JUNK temp folder

if [ -d JUNK/FOLDER/PATH ]
then
rm -rf JUNK/FOLDER/PATH
echo "Cleansed JUNK directory successfully!"
mail -s "JUNK folder deleted successfully" rabanerjee@gmail.com <<< "Success!"
else
mail -s "JUNK folder not found" example@gmail.com <<< "Success!"
fi
Is the bash file OK?
And how to also attach the server time in the email?
 
 
2 hours later…
Faheem Mitha
Faheem Mitha
1:10 PM
@derobert So, how's the weather looking?
 
 
2 hours later…
casey
casey
2:42 PM
@FaheemMitha app.ddot.dc.gov <-- you can watch for yourself. blizzard warning starts at 3 PM EST
> * ACCUMULATIONS...SNOW ACCUMULATION OF MORE THAN 2 FEET.
 
Faheem Mitha
Faheem Mitha
3:00 PM
@casey I'm looking for a eyewitness account. I.e. my car is stuck in a snowdrift and I can't find my freaking shovel.
Are those traffic cameras live, I wonder.
 
derobert
derobert
3:48 PM
@FaheemMitha So far, nothing. Supposed to start soon though.
 
Faheem Mitha
Faheem Mitha
@derobert Ok. Well, keep us posted. We want a snowflake-by-snowflake report.
 
derobert
derobert
Current conditions
 
Faheem Mitha
Faheem Mitha
@derobert Is that home?
 
derobert
derobert
@FaheemMitha yes, that's a shot out the door to the deck
 
Faheem Mitha
Faheem Mitha
@derobert Do you have a house or an apartment?
 
derobert
derobert
3:57 PM
@FaheemMitha town home
similar to the ones you can see in the background of that picture (they're part of the same neighborhood)
 
Faheem Mitha
Faheem Mitha
@derobert town house? Like, a vertical section of a building? I lived in one of those once.
 
derobert
derobert
@FaheemMitha yeah
 
Faheem Mitha
Faheem Mitha
Ok. It's a curious concept, but I suppose it must make some sort of sense.
Quiet neighborhood, hopefully.
I'm remembering the big ice storm in NC in 2002. The power was out for 10 days. It was a nightmare. Like being downgraded to the stone age.
 
derobert
derobert
Wow, that's bad. Longest power outage I've had here was 2–3 days.
 
Faheem Mitha
Faheem Mitha
@derobert Well, it was NC. They don't know how to cope with ice storm power outages, because it happens so seldom. Plus Carrboro isn't exactly the center of things.
And it came back for a bit and went off again the middle, for a few more days, which was quite upsetting.
And at some point the water went out. Possibly for an unrelated reason. At that point I gave up and went to stay at a friend's place. In Durham. Fortunately, he didn't lose power.
But it wasn't a fun couple of weeks.
 
derobert
derobert
4:13 PM
Probably the pumping station lost power...
 
Faheem Mitha
Faheem Mitha
This was December 2002, if I remember correctly.
 
derobert
derobert
But that's pretty bad. I guess ice must have kept taking out the power lines? Or crazy people crashing in to poles.
 
Faheem Mitha
Faheem Mitha
@derobert That complex had a lot of problems with water. I think the pipes were made of some kind of plastic that has started to deteriorate.
@derobert Yes, ice on trees and maybe on power lines.
But Duke Energy was very slow to fix things, I think. The downtown shopping in Chapel Hill was back very quickly, though.
 
derobert
derobert
 
Faheem Mitha
Faheem Mitha
I guess in the US, businesses always take precedence. Amazingly, people even defend it.
 
derobert
derobert
4:15 PM
It's currently 11:15 AM here
 
Faheem Mitha
Faheem Mitha
We need the restaurants open, otherwise where are we going to eat? Lunatics.
 
derobert
derobert
Hah, it was probably just easier to fix the downtown area.
 
Faheem Mitha
Faheem Mitha
@derobert Maybe.
Have you gone in to work then?
 
derobert
derobert
Nope. Working from home.
Let's see if this works:
Ok, cool, it'll load the image from my server.
I think I've got that set up to pull a new image every 10s.
 
Faheem Mitha
Faheem Mitha
@derobert In anticipation of the storm?
 
derobert
derobert
4:19 PM
Yep.
Once it starts, maybe I'll make a time lapse. At least until the camera's view is blocked.
 
Faheem Mitha
Faheem Mitha
@derobert Will that refresh in-place then?
 
derobert
derobert
I doubt it'll refresh in place... but if you go to the page and hit refresh it'll work. And I'll probably paste it in again when the snow starts...
 
Faheem Mitha
Faheem Mitha
@derobert ok
 
derobert
derobert
it can do video too... but I'm not going to figure out how to set that up to stream out
 
Faheem Mitha
Faheem Mitha
Current listening: Brahm's Fourth. I had forgotten how good it is.
 
derobert
derobert
4:26 PM
That is a nice symphony. Brahms wrote a lot of good music.
 
Faheem Mitha
Faheem Mitha
I wonder if there is some way to just stream the audio from Youtube.
@derobert Yes, he did.
 
derobert
derobert
@FaheemMitha there is on mobile, don't think so on computer
of course on a computer you could just switch tabs
 
Faheem Mitha
Faheem Mitha
@derobert That's discrimatory. :-)
@derobert Switch tabs?
 
derobert
derobert
@FaheemMitha switch to a different tab... then you can't see the video, even though it's still there.
 
Faheem Mitha
Faheem Mitha
@derobert Well, it's still using bandwidth, though. That's the point, in case, I wasn't clear.
My bandwidth allowance has gone way up in the last couple of years, but it's still limited.
I guess nobody in the US worries about that.
 
derobert
derobert
4:30 PM
well, depends. Comcast has bandwidth caps.
 
Faheem Mitha
Faheem Mitha
Was 16GB, now 60GB. A world of difference.
@derobert Naughty.
For regular broadband?
16GB was terrible.
 
derobert
derobert
@FaheemMitha yeah. Something like 300GB though.
 
Faheem Mitha
Faheem Mitha
@derobert That's more reasonable, though. How's it possible to get through 300GB?
 
derobert
derobert
Introducing it has proven that it was possible for people to hate Comcast even more than they already did.
 
Faheem Mitha
Faheem Mitha
That's 10GB a day.
 
derobert
derobert
4:33 PM
@FaheemMitha Netflix does that easily. Something like 7GB/hr for superhd.
 
Faheem Mitha
Faheem Mitha
I mean, you'd have to be streaming movies more or less continously.
@derobert Wow. Scary. What about non-hd?
 
casey
casey
@FaheemMitha those are live traffic cams, so you can see everyone get stuck later today
 
derobert
derobert
@FaheemMitha help.netflix.com/en/node/87 ... a lot less.
 
Faheem Mitha
Faheem Mitha
@casey Fun.
@derobert Good to know. Did I mention that Netflix has just arrived in India?
So my question is not entirely out of theoretical interest.
 
casey
casey
netflix just launched in a lot of countries
 
Faheem Mitha
Faheem Mitha
4:35 PM
@casey oh.
 
derobert
derobert
I'm surprised, it appears I only went through 100G in the last week.
 
Faheem Mitha
Faheem Mitha
Only? :-)
 
casey
casey
i think the announced it all at the CES keynote first week of jan
 
derobert
derobert
@FaheemMitha yeah, that's not much....
 
Faheem Mitha
Faheem Mitha
BTW, does anyone know what the hell "see shy jo" means? I've wondered about that so long. Maybe I'll write and ask him...
 
casey
casey
4:36 PM
@derobert i ocassionally transfer some research datasets from the supercomputer to my local machine. typically 3 TB over a few days at a constant 65Mbps. charter has uncapped internet but I always wonder if that'll get me a phone call about usage...
 
Faheem Mitha
Faheem Mitha
@casey Hmm? the who? Netflix? And what is CES?
@casey Wow, that's a lot.
 
derobert
derobert
Consumer Electronics Show
CES, also known as the Consumer Electronics Show, is an internationally renowned electronics and technology trade show, attracting major companies and industry professionals worldwide. The annual show is held each January at the Las Vegas Convention Center in Las Vegas, Nevada, United States. Not open to the public, the Consumer Technology Association-sponsored show typically hosts previews of products and new product announcements. CES rose to prominence after a rival show, COMDEX, was canceled. In May 2015, CES Asia was held in Shanghai for the first time. For 2016, the name of the global...
 
casey
casey
@FaheemMitha CES is the Consumer Electronics Show, a big $$$ conference where tech companies show off their latest stuff. Netflix announced service expanding to 130 new countires.
 
Faheem Mitha
Faheem Mitha
@derobert @casey: I see. Thanks.
 
derobert
derobert
@casey Hah, I've pegged my 75mbps upload for hours sending backup data to Amazon...
Not multi-TB, but still...
 
casey
casey
4:39 PM
@derobert i wish I had that kind of upload :( I only get 5Mbit/s sustained
 
derobert
derobert
@casey yeah, FiOS is nice for actually having upload speed.
Hmmm... 10AM model run says 28" is most likely.
That's ~0.7m for the rest of the world.
 
casey
casey
@derobert ^^^ is the 09Z short range ensemble forecast. still a lot of spread between 12 and 33" and a mean of 21". Looks like the biggest uncertainty is where the heavy snow is going to line up. some ensemble members have it a bit north of DC and some over DC. in any case, its going to be a mess
 
derobert
derobert
@casey nice chart... where'd you get it from?
 
casey
casey
the second graphic is the total snow accumulation (10:1 snow:liquid equivalent ratio) from the 13Z HRRR
 
derobert
derobert
4:55 PM
Not sure which location you pulled that for (DCA?), I'm much closer to IAD
 
edward torvalds
edward torvalds
hi
 
casey
casey
@derobert DCA
 
derobert
derobert
Almost on the Loudoun/Fairfax border. Fairly close to the Potomac
 
edward torvalds
edward torvalds
anybody used at command?
 
casey
casey
@derobert IAD is showing a mean of 27"
 
derobert
derobert
4:55 PM
@edwardtorvalds yes, but keep in mind questions go on the site.
@casey yep
... and it looks like a greater convergence than DCA
@casey it looks like there is a 15Z run? Which isn't there yet, I guess because 15Z must be when the run starts, not finishes.
 
casey
casey
@derobert yea, there is a 15Z SREF run that runs based on the 12Z models and observations (the 9Z SREF is based on the 6Z models/obs)
 
edward torvalds
edward torvalds
0
Q: Run at command when computer is sleeping

edward torvaldsI want to schedule a job using at command, but my laptop may have gone to sleep by that time. So the question is will that command will be executed? If yes, how? I mean will my computer will wake and than the command will run or something else?

suspend at
 
casey
casey
and yea, the 15Z doesn't appear to be in yet but should probably up within the hour
 
derobert
derobert
Yeah, it's currently ~17Z. But I imagine they take a while.
 
casey
casey
mp1.met.psu.edu/~fxg1/ewall.html <--- lots of model data
 
derobert
derobert
5:02 PM
@casey hah, and a good deal of it which I have no idea what it means. As expected of scientific data when you're not in the field.
 
casey
casey
@derobert yea, i'm not too familiar with how they run the SREF ensemble members or how long they take. GFS, HRRR and RAP get much of the runtime allocation iirc.
@derobert true, that site is information overload even when you do know what most of it means
 
derobert
derobert
@casey Hah, it's nice that they have an "E-WALL TUTORIAL" link in the top left. Don't bother clicking it, it's conveniently 404-compliant.
 
derobert
derobert
5:59 PM
Snow has just started.
 
terdon
terdon
I usually check the Related questions for possible duplicates (then flag them) before answering a question. In this case, I strongly disagree that this is a duplicate since it focuses on commands being run in the background – not enclosed in parentheses. This question is informative, thought-provoking and offers a greater insight into an aspect of subshells not covered in the “duplicate”; IMO, this deserves more attention (and upvotes). BTW, I’ve extended and further clarified my answer to incorporate suggestions from the comments (and deleted my own comments to minimise the clutter). — Anthony Geoghegan yesterday
Thoughts? Are the Qs dupes?
@derobert?
 
derobert
derobert
@terdon haven't read them yet... because SNOW. Quickly setting up something to grab time-lapsed frames. BRB.
 
terdon
terdon
Damn it! I wan't snow too! Grrr, damn this balmy, wimpy weather.
 
derobert
derobert
Ok. I think I have an every-30s image grab now. Can feed it to ffmpeg later.
@terdon Wow, that is a long answer... I'm tempted to say rambling.
 
terdon
terdon
6:19 PM
Which is why I chickened out and asked for help deciding :)
 
derobert
derobert
It's—no offense intended—really not that good of an answer.
@terdon I'd suggest leaving it alone. If 5 people think it should be reopened, they can vote to reopen it.
That answer has some stuff that could be added to the other question, like some of the tricks to make processes stick around long enough to see them, but it needs so much cleanup.
 
terdon
terdon
@derobert Fair enough. Someone flagged it which is why I was checking.
 
derobert
derobert
The answerer could of course put the good parts of his answer into a post on the other question. Maybe even edit it a little to make it slightly broader.
 
 
1 hour later…
casey
casey
7:41 PM
@derobert 15Z SREF is up. IAD spread is 12-41" storm total with most of the models in the range 22-33" and a mean of 27" still.
 
 
2 hours later…
Ramnath
Ramnath
10:05 PM
Hi all
Whats wrong with the following?

#f!/bin/bash
# Delete w2-9 files
if [ "$(find -type f -name 'w[2-9]*n.php'" > 1 ]
then
find -type f -name 'w[2-9]*n.php' -delete
mailx -s "W9 files deleted" "rabanerjee@gmail.com"
fi
 
 
1 hour later…
terdon
terdon
11:28 PM
@Ramnath Many things, did you try running it? Didn't you get an error message?
i) You don't want the f in #f!/bin/bashii) you need to close the parenthesis in $(find ...; iii) even if you do, the output won't be numerical so you can't compare it to 1; iv) > doesn't do arithmetic comparison, it just redirects the output of find into a file called 1.
You meant to write something like: 
#!/bin/bash
# Delete w2-9 files
if [ "$(find -type f -name 'w[2-9]*n.php | wc -l)" -gt 1 ]
then
  find -type f -name 'w[2-9]*n.php' -delete
  mailx -s "W9 files deleted" "rabanerjee@gmail.com"
fi
2
Or, more simply: 
shopt -s globstar
rm **/w[2-9]*n.ph && mailx -s "W9 files deleted" "rabanerjee@gmail.com"
 

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