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0
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1answer
29 views

index out of range? [closed]

# load parameters file yml = yaml.load(open(sys.argv[1])) # imports for pkg, functions in yml['imports'].iteritems(): stri = 'from ' + pkg + ' import ' + ','.join(functions) exec(stri) ...
0
votes
0answers
25 views

Why is the queue option not available for the kill command?

The -q or --queue option for kill command is not available on Ubuntu. The kill command implemented on kernel.org supports this option, but the one implemented by procps does not implement it. What are ...
0
votes
0answers
52 views

Low WiFi Single Strength LENOVO G500

I am using Lenovo G500 Laptop, i5 processor. Earlier when I used to have Windows 7, the Wifi Signal was quite strong, either if its at my home or at my college. But since I only have Ubuntu now, the ...
0
votes
0answers
23 views

How to restrict wifi to only a certain signal type

I'm looking to restrict the wifi adapter in my laptop to only use b/g instead of using n and to deactivate n entirely, if possible. Is there any way of doing this? By default, the adapter seems to use ...
0
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0answers
24 views

Very weird behaviour when signal sent from Kernel to UserLand Process

So I am sending a SIGUSR1 signal from a LKM to a userland process. Assuming I have the PID of the user-land process, here is the relevant code from the LKM: void s3f_send_signal(struct task_struct* ...
0
votes
0answers
135 views

Wifi signal recently started fluctuating

Recently my wifi signal on my laptop running Ubuntu 14.04 has lowered drastically. It is not a router issue since my phone and other laptop (which runs Windows 7) work just fine using the same ...
1
vote
2answers
82 views

Does anyone know what a “ No Entry ” sign means? [closed]

I've got a " No Entry " sign at the top right hand side of my screen. What does it mean ?
0
votes
0answers
18 views

How to Terminate the Child process using ISR from parent process?

I wanted to create a C program to terminate a child process after specific time period (alarm()) using user defined ISR(Interrupt Service Routine) of parent process. How to do it?
0
votes
0answers
65 views

Signal called on user logout

I would like to ask what is the signal that is called when the user logs out? I have a Qt gui app that has handler for SIGTERM and SIGHUP signals. The app also has its own close event handler, so user ...
0
votes
1answer
289 views

wifi weak signal tplink tp-wn725n (ubuntu 14.04)

I have problem, low wifi signal. I checked the router and signal is very often going to 20 %. I did't find any special reason for that. I use an USB wifi card: TP Link TP-WN725N v2. I've already ...
0
votes
2answers
192 views

Send SIGCONT signal to another user process

I saw a document (http://www.gnu.org/software/libc/manual/html_node/Permission-for-kill.html) which say, "The SIGCONT signal is a special case. It can be sent if the sender is part of the same session ...
1
vote
0answers
99 views

Why does sudo prevent catching SIGTSTP (Ctrl+Z)?

This program is written to catch SIGTSTP (Ctrl+Z) and bypass its normal effect, printing a message and returning to its normal operation instead of allowing its process to be suspended: ...
1
vote
0answers
48 views

The UBUNTU Graphics Catch 22

Trying to use a Live DVD to run Ubuntu 14.04.1, I get the "Monitor signal out of range" error. I hit ctrl-alt-F1 to bring up the command line. I do sudo nano /etc/default/grub and remove # from ...
-1
votes
2answers
450 views

12.04 wifi signal very weak

Ii am new people in Ubuntu I am using 12.04 version , but my wifi signal very weak My router beside me only , my signal also only 50% ... Anybody know how to fix it?i have try to research solution, ...
0
votes
0answers
186 views

enable / disable auto-detect x.org Needed to use kvm-switch without monitor resize trouble

I would like to be able to disable the auto-detecting of the monitor. Or at least the system would ask me permission to use auto-detect. Reason Reason when using a KVM-switch the monitor resizes to ...
1
vote
1answer
384 views

emit signal with custom type objects array parameter from c++ and receive in qml

I would like to emit a signal from a Qt C++ class which includes a parameter that is an array of custom objects (inherited from QObject) and receive the parameter in its qml slot, but i'm afraid it is ...
0
votes
1answer
39 views

sigfillset is not setting signal bits

I am having this strange problem! My code is very simple. #include<stdio.h> #include<unistd.h> #include<signal.h> #include<stdlib.h> ...
0
votes
1answer
159 views

What do these Terminal Signals mean?

When I start to use a command to terminate an ongoing process, I can include a signal. What is the difference between the signal 9 and the signal 15?
0
votes
1answer
220 views

Ubuntu 13.10, not recognizing 2nd monitor

Just installed ubuntu for the first time and my monitor isn't showing up on the display settings. I am on a laptop with nivdia graphics if that helps. I believe I have bumblebee installed. Other ...
2
votes
0answers
189 views

Core only dumped upon receiving SIGQUIT

Learning about signals, I found out that calling the <stdlib.h> functionabort(void); in a C program, which roughly equals to raising a SIGABRT signal, doesn't create a core file on my Ubuntu ...
2
votes
0answers
629 views

Unix Signal handling in Qt Embedded Linux [closed]

I have an application for the USB interface in Qt (Embedded Linux). When a pen-drive is inserted, the kernel sends a signal for that and I want to recognize that signal and I want my Qt application ...
0
votes
1answer
430 views

TP Link TL-WN7200ND Signal Strength

I have external Wireless Adapter TP Link TL-WN7200ND I'm currently using it on Windows its giving me 4/5 signal bars When I used same Adapter in Ubuntu 13.04 it gives 2/4 bars. I'm using Live USB for ...
1
vote
0answers
196 views

no internet connection, but have signal in wifi

I cannot access yahoo.com, google etc in my browser, but I have signal in my WiFi, how can I access the internet again? Please can you tell me how to configure and solve my problem, Thanks
2
votes
1answer
1k views

Bad WiFi reception on Asus Zenbook (Works great with Windows 7)

My WiFi reception on my Asus Zenbook (model ux31) is very weak compared to when I boot my Windows 7. I use both from the same location, and the reception on other devices (ex: my iPhone) is great. I'm ...
3
votes
2answers
335 views

How can I tell how long for Watchdog to wait to stop all processes?

I have a server which is monitored by Watchdog, and experiences reboots occasionally due to faulty network hardware I am unable to replace at the moment. As I read, Watchdog sends a SIGTERM to all ...
1
vote
1answer
286 views

Keep VGA signal sending when using VGA switchbox

I am trying to mimic the VGA projector setup I had on Arch Linux. I have three laptops connected through a VGA switchbox to an external projector. When I was using ArchLinux I used xrandr to start ...
1
vote
1answer
556 views

Weak wifi signal on Lenovo g series

I've just installed Ubuntu 12.10 on my Lenovo laptop and the wifi signal reception changed completely. I had Windows installed on it first and it had no problem connecting to my home network from my ...
1
vote
1answer
358 views

Weak Wireless Signal - Atheros ar5008x drops connection

I'm dualbooting Ubuntu 12.04 with Windows Vista and while Vista handles the signal perfectly (4 or 5 bars out of 5 and never drops) Ubuntu shows 1 or 2 bars and drops the signal constantly if the ...
2
votes
1answer
69 views

How do I make a app in Quickly and play a sound when a button is clicked in the app?

Is there anyway I can make an application in which a button made in Glade can be clicked to play a custom re-definable sound?
0
votes
1answer
817 views

Weak signal even if I'm only 5 meters away from my modem

I'm having kind of a weak signal on Ubuntu, about 2 bars (I have a laptop), when i go on windows it really gets quicker (5 bars). What may cause this? My wifi worked as soon as I installed Ubuntu so i ...
0
votes
2answers
7k views

Input signal out of range; Change settings to 1600 x 900

I recently installed Ubuntu 12.04 onto my HP Pavilion, in an attempt to make the desktop able to dual-boot Windows 7 and Ubuntu. I managed to get down to the last step, and finished the installation ...
1
vote
1answer
448 views

HDMI initially worked, no more and screen issues when try

Connected my System76 Lemur Ultra (Intel i5 3210M + Intel HD 4000) to my television. It showed up fine. After about 15 seconds, it abruptly disconnected for some reason with a "no signal" error on the ...
3
votes
2answers
1k views

The report belongs to a package that is not installed

I have gotten the error message "The report belongs to a package that is not installed." Generally I would just ignore that since seemingly there is no problem except I got a crash report and then I ...
0
votes
1answer
39 views

PyGtk: Scrolllist with Entry, can I set an Id

I have a scroll list on my window that I am going to insert 2 entry for each row, I am trying to understand how I can catch the entry that has been changed and update my array with this value. I will ...
3
votes
1answer
450 views

Ctrl-Z equivalent for GUI Programs?

I often have to run the update manager on a slow connection, and while reading my emails, I meanwhile would like to surf for 2 minutes in the web, then have the full bandwidth again for the update ...
1
vote
2answers
4k views

Wifi signal weak while on an HP Pavilion G6

I have just installed Ubuntu 12.04 LTS along with the standard Windows 7 on my new HP pavillion g6 (AMD). They both work fine but when I am running Ubuntu, the wifi signal strength shows low ...
0
votes
1answer
332 views

How can a Qt application be notified that the user's session is ending and provide it with opportunity to save its state before being terminated?

I am writing a Qt application and have run into the following problem: when the user logs out or attempts to shut down the machine, the application is instantly terminated without providing it any ...