Ubuntu Networking :: Schedule Disconnection Of Internet?
Mar 25, 2010
i am using ubuntu 9.10.i connect to net through the gnome netwok manager via a mobile broadband connection. can anyone suggest any commands or tools with the help of which i can disconnect the net at a preset time or after a fixed interval has expired. i know that by executing "poff" command in terminal i can disconnect the connection, but i want the same to happen automatically without any kind of user intervention at a scheduled time.
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Mar 25, 2010
First, the network manager would show up on my girlfriend's profile (hers was the first one we created) but it won't show up on mine and it would not detect any internet connections. I found another thread that told me to type "nm-applet &" into the terminal, which works great. It shows the network manager and auto connects. But as soon as I close the terminal, it auto disconnects. Anyone know why and what I can do to make the network manager icon stay besides keeping the terminal open?
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Jul 15, 2010
I have an LG R-450 laptop with Ubuntu 10.04 installed in it. When I connect him to a network (either LAN or Wireless) it stays connected for a few minutes and then Just disconnects (without showing any sign of disconnection except no internet/skype/dropbox). Only way to renew connection is after startup. The network controller is SIS 191 Gigabit Ethernet adapter.
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Mar 21, 2011
I am writing a chatting program and want to receive the notification on Internet disconnection (e.g. when the cable is unplugged). Is there any way to achieve this?
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Jul 6, 2010
last night i have fresh installed ubuntu 10.4 on my computer. Then after that, I installed the updates. Lastly, i installed nvidia hardware driver so that i could use its graphical effects. After rebooting my computer, i've noticed that i was disconnected from the internet. And I was surprised that it is the cause of my internet disconnection because when i remove it, my internet comes back. What should I do with this?
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Aug 4, 2010
Every time I update Ubuntu 10.04 or I install new packages, after a while (about 10-15 MB of dowloaded files) the router goes off-line.I have a 3COM ADSL Wireless 11g Firewall Router and I am connected with a LAN cable (but the same happens when I use the wireless). My laptop is a Dell Studio XPS.I have to restart the router every time, and it works for another 10-15 MB, then it stops again.
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Jan 22, 2011
Is there a way to schedule recordings of Internet Radio streams? I found this thread using cron and Streamripper, but I'd like to find a package that has all the support in one wrapper.
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Apr 17, 2010
I started an upgrade last night (from Jaunty to Karmic) using a "do-release-upgrade" command on a remote server via ssh. However, this morning, I discovered that the ssh connection between my machine and my server was broken.
I can see that the do-release-upgrade process is still running (well, a giant /usr/bin/dpkg is in the process list) and waiting for a response.
Is there any way I can take control of that session from my current session?
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Aug 19, 2010
I wish to create aliases to log into a server and go to a specific folder. For example, I have two aliases:
Code:
alias REP1='ssh me@server cd /REP1'
alias REP2='ssh me@server cd /REP2'
and of course, I'm disconnected after cd commands. I found no ssh option which prevents this disconnection to occur. I also tried the following trick:
Code:
ssh me@server "cd /REP; bash -i"
but it left me with a crappy shell (no color, directions keys printing ^]]A, ...)
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Jun 12, 2010
I replaced the trusty old aironet wireless card with a trendnet scanbus wireless card so I could secure my home wireless with wpa encryption. It uses the ath5k module, and the wireless is set up with wicd. The issue is that if I stop browsing for about 2 minutes, the next time I start to browse, it will disconnect, then reconnect no problem. I don't know if this is supposed to be a feature, but it is sure annoying. Is there a tweak somewhere to stop this? The other option would be to use ndiswrapper and use windows drivers, but I'd rather explore tweaking, if possible. If I have to use ndiswrapper, would I have to rmmod ath5k first, or would it be ok to use ndiswrapper directly?
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Jun 8, 2010
When my router switches off... the wifi signals go off... then why the hell ubuntu keeps on connecting to that very wifi like hell and when doesnt connect shows the prompt to manually connect... with the wifi key already filled in... whats the use of saving the key when it has to ask the question from me either to connect or not?? and if its isnt available... just wait when its available.. and for the prompt,i have only option to cancel(because wifi isnt available at that moment if i select connect it again tries to connect like hell..which it cant) and if i cancel it wont auto-connect when wifi does get available! what the heck?
Windows has this done the right way... when the wifi isnt available.. it dissconnects silently.. and when it becomes available connects silently.. why isnt this been done this way in ubuntu??
Ive attached an image..one can see in the image that it says "authentication required by wireless network" when there isnt any.. as router has gone down!
And the second thing i want to report is that there is no way to report this bug from ubuntu... the launchpad.net talks of going through bug reporting process which is done against a definite package... now how does a user know which package would be causing this error?? there should be a more clear process of reporting such bugs to ubuntu team... which a common man using ubuntu( ubuntu says its most user friendly of all distros right?) can report..
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Aug 23, 2014
I have this wired problem with my realtek rtl8101e ethernet. It keeps on disconnecting randomly with my router. My computer is connected to D-link router via LAN cable. This problem does not occur in my windows xp os.
I have to suspend and resume my Debian os (wheezy 7.6 KDE) to get the ethernet connection up everytime it disconnects with my router.
These are my ethernet details
Code:
Select allEthernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 05)
Subsystem: Realtek Semiconductor Co., Ltd. Device 0123
Flags: bus master, fast devsel, latency 0, IRQ 42
I/O ports at e800 [size=256]
Memory at fdfff000 (64-bit, prefetchable) [size=4K]
Memory at fdff8000 (64-bit, prefetchable) [size=16K]
[Code] ....
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Nov 3, 2010
Take this scenario If I have rate limited the connections to 4.(i.e if you attempt 4th connection you wont be able to login for some time.) If in a minute I get disconnected 3 times while I was already logged in on the server with a screen session, will I be able to login or I need to keep quite for a minute?
Quote:
-A INPUT -i eth0 -p tcp -m tcp --dport 22 -m state --state NEW -m recent --update --seconds 60 --hitcount 4 --name DEFAULT --rsource -j DROP
-A INPUT -i eth0 -p tcp -m tcp --dport 22 -m state --state NEW -m recent --set --name DEFAULT --rsource
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Sep 1, 2010
I am trying to connect my desktop to my laptop over a non-internet connected LAN, but when i enable the LAN connection on my desktop (the one with the wireless) its internet stops working.
it is a very similar problem to this except that i am using ubuntu for the machine with the two connections.
right now i have my wireless on the 192.168.1.* address space, while the LAN is to be on 192.168.5.*
note: my goal is not to share internet with my laptop, just be able to connect to it and the internet at the same time.
desktop: ubuntu 9.10 , wireless and LAN
laptop: windows xp, LAN only
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May 25, 2011
I'm trying to set up a wireless AP with Internet sharing. I currently have the AP setup with hostapd and a dhcp server. The clients can connect but there is not Internet sharing. Now my situation is somewhat uniqe in that my internet connection is my teathered android cell phone. The tether app is azilink and i use openvpn to create a virtual networking interface(tun0).
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Feb 1, 2010
On this box I have Two seperate Ubuntu installations. Recently in both I seem to be having the same problem. I initially can connect to the internet as per normal and use any internet application. But after a period of time, sometimes just minutes, sometimes hours, even though the icon says connected, I cant update pages or send emails etc because there is no actual connection. My Physical connection is good I know - My Ubuntu laptop and Windows gamming PC connect fine during this period. So
Does this suggest an intermittent hardware fault or is there some thing in Ubuntu I can check to make sure that it is setup correctly and nothing has been corrupted? I am a lay PC person - I dont really want to be command prompting - Plug & Play and Point & Click is my limit.
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Oct 21, 2010
I tried to install Xubuntu 10.10 Maverick as dual boot on my laptop. However when xubuntu is on, I can't find a way to connect to internet. When I try the 2 arrows on the up-right corner the option for wireless is deemed. I tried offline/online, that did not work either. when I click the firefox It says you are not connected.
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May 1, 2011
I seem to have is trying to get the internet to work. I can go to ..... ect but when I try to run playonlinux it says you do not seem to be connected to the internet, please post if you have anything useful, as I said I am very new to linux so be as detailed as possible.
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Mar 2, 2010
I want to schedule a Java program to run at a certain time, which will open a GUI progress monitor while it runs, and then terminate when it's done. I can execute it fine from the command line, but I it doesn't seem to work when I schedule it with crontab. In fact, I can't make any gui by scheduling it, not even something like gedit or firefox.
I know it's pretty rare that someone would want to do this, but is there any way to schedule a GUI app?
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May 23, 2011
now a day its difficult to wake up at 2 o'clock and on the pc starting downloading is there any way to schedule deluge program start at 2 o'clock
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Feb 4, 2010
How to Schedule auto shutdown in Ubuntu? I am a newbie. Last night I have some downloads in progress while at the same time I really wanted to go asleep. So I wondered if there's a way to schedule auto shutdown the system after a set period of time. I heared its possible using command line but dont know the usage.
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Jun 17, 2010
I have Postfix and Procmail installed on Hardy.
Are there any tips/tutorials for sending out scheduled email?
My main use case for this would be sending out a Tweet and an email at the same time.
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Jun 20, 2010
I just did my first rsnapshot backup of my /home/ to an external harddisk. When I am not at my computer for a couple of hours, I always shut it down. Therefore, there are no predictable hours of the day where I know that my computer is running. So, how should I schedule/crontab my rotating rsnapshot backups?
Is anyone using rsnapshot in combination with a schedule which is not based on exact times but rather on the time the computer is running?
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Sep 26, 2010
I'm running LXDE in Ubuntu 10.04, and NTP won't work properly for me. I've found that this command in a terminal will set my clock properly:
Code:
sudo ntpdate time.nrc.ca
But I have to do that manually.
How would I go about creating a shell script with that command and then scheduling it to run once a day?
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May 10, 2011
Well I'm totally frustrated. I have been trying to figure out how to use anacron (schedule tasks). I Googled,Binged,Yahooed, and manpaged.I cannot find how to, at least, start anacron. To use 'cron' I use crontab -e. What do i use to start anacron?.
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May 30, 2011
I'm trying to schedule a reboot ,using the 'at' command. Normally to reboot I have to be 'root'. I tried using sudo to start 'at',to no avail. How would I type the command ,using at, to reboot?
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May 26, 2010
how I can set up something to automatically open port 119 at 10pm and close it again at 3am..
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Nov 28, 2010
I'm trying to use cron to schedule a script I wrote.in the terminal I'm typing sudo cronbut i get this message back.cron: can't lock /var/run/crond.pid, otherpid may be 3332: Resource temporarily unavailablewhat's going on here? how can I schedule my script to run?
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Jan 24, 2011
I was wondering if there was some calendar/planner/schedule program for Ubuntu so that I could input all my class HW/lecture/exam schedules for the semester and be able to keep track of whats due and whats going on? I know I could use Gmail's calendar, but I don't know if I will always have internet and I feel like a stand-alone program would be better.
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Mar 1, 2011
I'm not looking for software that has any relation to CPU scheduling, but something more for personal use. I don't want to use Evolution, because I'm not looking to keep track of weekly repeating tasks on an annual calendar. It's not for business use, but something more applied to home chores or weekly maintenance of my car. Has anyone come across anything close to this? I'm out of ideas on where to search.
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