Debian :: Running Same Process Multiple Times(from Another Account) / An Instance Of Newsbeuter Is Already Running Error?
Aug 6, 2010
Sometimes I connect to my Debian box from another computer (using SSH on Cygwin or Linux), and once ina while I want to run some console apps. And sometimes some of these apps might complain about "another intance, Error: an instance of newsbeuter is already running (PID: 2496)". Is there a work around for this issue at all(without killing the original instance") ? The reason I do not want to kill the app because there might be 2 users connected to the same machine that might be using the same app.
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Jan 5, 2010
how to configure X11 forwadring over SSH so, that when I open any app over SSH, I get displayed window of a process that is already running on my server (in case its running ), not a new instance of it.
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Mar 29, 2011
On my crontab there is an entry to run a script I wrote that backs up my local files to my remote server. It was working great, running once a day. However, I now want to make the script run every hour.The problem is that if there are too manyfiles to transfer (Example:I ripped a DVD in the last hour) the actual backup may take longer than 60 minutes.So I want to modify the script to check if my backup script, based on rsync, is running. If rsync is still running then do nothing and exit the script. If it is not running, execute the script as normal.
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May 15, 2011
I posted this same issue in the Xfce support forums this morning. So far, no replies. This morning, using Synaptic, I finally upgraded my main Wheezy Xfce 4.6 computer to Xfce 4.8. There were 225 upgrades, plus 33 new things to be installed. It has been about 2 weeks since I last fully upgraded that system, so I'm sure that not all of today's upgrades were directly related to Xfce 4.8.
I waited to upgrade as long as I did because Wheezy's been getting a steady stream of Xfce 4.8 upgrades for the past several days -- I wanted to wait until that stream stopped, to reduce the chances that I would run into an upgrade problem that was on the verge of being fixed.
The only issue I had was that, in the middle of the configuration step (for lib6, I think), it asked me to either stop or restart xscreensaver before continuing (so that I wouldn't get locked out of the current session), so I completely stopped xscreensaver.
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Mar 9, 2011
if i start a program over ssh by 'foo &'how can i go back 'in' this process, so i could see the output and type in commands?
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Feb 10, 2011
I have an ubuntu 10.10 server and want to run a script on it to check if a process is running. If it is not running, it will start the process and also write into a log file.
When running the script i get the following error message:
syntax error near unexpected token `else'
Here is my script.
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Feb 21, 2011
is it possible to run for instance pan remotely via ssh and make that instance of pan running on server, regardless upon closing it via ssh?for example i would love to do: start pan instance via ssh on the server keep it open while downloading close the ssh session, keep the pan running on the server in background. open ssh session and access the same instance of pan running on the server etc something in that loop.im unable to do that because when i close pan ssh remotely the instance automatically terminates on the server.
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Jul 15, 2011
I'm porting C++ application from ARM to MIPS platform. It works now, but I see some strange timing problems. I've seen now that My app process is called multiply time. Here is "top" output:
Mem: 24592K used, 102084K free, 0K shrd, 0K buff, 16864K cached
CPU: 0% usr 99% sys 0% nice 0% idle 0% io 0% irq 0% softirq
Load average: 4.02 2.17 0.95
PID PPID USER STAT VSZ %MEM %CPU COMMAND
1888 1875 admin R 12096 10% 98% ./my_app.exe
code....
I don't see something like this when I compile it for x86, nor ARM.On MIPS I use uClibc instead of glibc.
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Feb 15, 2011
I have a script that needs to start executing on startup. Because I originally wrote it for MacOSX I never cared to learn how to daemonize it (thanks launchd!). Are there any relatively easy ways to run it on startup on debian to?
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Jan 31, 2010
I want to monitor the process running and execute a command if some new process start. For example send a mail if any new process start.
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Dec 4, 2010
i googled around and finally stumbled over this forum. I've been wondering, how would i kill an process running from an folder and with user parameter? I usually type this into the ssh console: pkill -9 < process > -U < username >
But i want users be able to run it multiple times, and killing only an specific process and not every single one.
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Jul 20, 2010
I am having a problem.I use Ubuntu 10.04 server edition.Two computers on LAN one with Public Ip A other with local (Class C IP)say it BWith a third computer in same subnet I can access a TomCat application running on B as http://Ip of B:8080/applicationI want to use A as a Reverse Proxy for this application to be reachable from internet.So on Googling I came across some thing known as mod_ajp I enabled that on my Server A asa2enmod proxya2enmod proxy_ajpa2enmod headersbut after that I am not able to understand as how do I define vhost to be able to forward HTTP request which come on A as www.myserver.com/appto B which I can see internally as http://Ip of B:8080/application so Tomcat on B handles this.
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Nov 23, 2010
I am starting an instance of mplayer from a bash script, opening an audio stream:
Code:
mplayer [URL]
How do I do to control this mplayer instance from another script? I want to control volume and pause it from within the bash script. I know the commands for doing so from terminal, but once mplayer gets started from the script, how do I 'direct' the commands to that specific mplayer instance?
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Jan 19, 2011
I am setting up a laptop for an old person who has trouble locating the skype icon in the notification bar.
I want clicking on the skype desktop icon to open the window of already running instance instead of a new one (like it happens in Window$).I am using Lucid puppy 520.
I want the icon to link to script which checks if skype is already running, and if it is, it de-iconifies the skype window
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Feb 11, 2010
I'm using a program called easystroke to invoke commands from mouse gestures - typically to launch an application. 'gnome-terminal', for example. If I already have a gnome-terminal window open, and I invoke the gnome-terminal gesture, I'd like to be setting focus to the already running instance, rather than spawn a new instance, which is of course what happens now. (I am actually more interested in this for my gmail chrome app shortcut, and other larger apps.)
I'm very new to ubuntu and linux in general, but I was hoping there might be a nifty command I could wrap around my launch command that would produce this behavior. (I'm imagining some kind of singleton app list keeper program that consumes my command line, checks if it's already in the list, transfers focus to the running process if it is (and if that process is still running), or else spawns a new process and then adds it to its list using the the command line as a key.)
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Jan 22, 2011
Is simplebackup (sbackup) supposed to be running at all times in the background? i.e. show itself on the top panel at all times?
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Jan 6, 2011
I need to call a vbscript from another vbcrip running X amount of times.
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Jan 22, 2010
I am trying to get flasH player for my iceweasel. Getting error saying I am running on an amd platform. I was under the impression an amd distro wont even install on an Intel system.I am a 100% that my hardware is Intel.Here is what uname -a gives me.
Code:
sudo uname -a
[sudo] password for siawacsh:
[code]....
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Mar 9, 2010
i installed yumex:yum -y install yumex, when i start yumex it came with this error:fatal error:backend-not-running backend not running as expected (yumex will close) how can i solve it?
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Mar 9, 2010
Nothing serious (I think), but everytime I run apt-get to remove programs and doing upgrades... I get a strange message.
This is the output of apt-get upgrade:
Inspiron1525:/home/hernan# apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be REMOVED:
iamerican ibritish
0 upgraded, 0 newly installed, 2 to remove and 0 not upgraded.
17 not fully installed or removed.
After this operation, 4030kB disk space will be freed .....
And this is the output I get when removing a program (I removed amor so I can show the output):
Inspiron1525:/home/hernan# apt-get remove amor
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be REMOVED:
amor iamerican ibritish
0 upgraded, 0 newly installed, 3 to remove and 0 not upgraded.
17 not fully installed or removed.
After this operation, 6185kB disk space will be freed.
Do you want to continue [Y/n]? y
(Reading database ... 89741 files and directories currently installed.)
Removing iamerican ...
/var/lib/dpkg/info/iamerican.postrm: line 6: /usr/sbin/remove-default-ispell: No such file or directory
dpkg: error processing iamerican (--remove):
subprocess post-removal script returned error exit status 1 .....
E: Sub-process /usr/bin/dpkg returned an error code (1)
When I run update, I don't get the error though.
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Apr 30, 2011
Since there is no notification area any more in 11.04, where is the skype icon of the running skype instance?
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Jul 9, 2015
Im trying to update the system packages list by doing "aptitude update", but I got a error like this:
W: Failed to fetch http://download.virtualbox.org/virtualb ... 4/Packages: Hash Sum mismatch
E: Some index files failed to download. They have been ignored, or old ones used instead.
E: Couldn't rebuild package cache
After searching the Web, I saw that many foruns seems to suggest to erase the reference list of packages using the command " rm -rf /var/lib/apt/lists/" and then run "aptitude update" again. I did that but the error still pops up.
My source.list:
### Debian Jessie
deb http://ftp.us.debian.org/debian/ jessie main contrib non-free
deb-src http://ftp.us.debian.org/debian/ jessie main contrib non-free
deb http://security.debian.org/ jessie/updates main contrib non-free
deb-src http://security.debian.org/ jessie/updates main contrib non-free
[Code] ....
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Jan 2, 2010
I've written an article on my site which lays out steps for installing Wine and running it under its own, separate user account, so that Windows applications cannot access personal files (particularly those in your home directory).[URL}..i'm hoping that there are people on this forum who know Ubuntu inside-out, as I'd like to know how effective the described method is at trapping Windows applications so that they cannot read or write personal files or directories.
The way I understand it, once the process is running under user account wine, it's stuck with the access privileges of user wine. But are there ways in which a rogue application could break out of this prison and gain access to whatever it wishes? I'm guessing that such behaviour would mean someone customising Windows software to recognise Linux, and that such a thing is very unlikely, but I'm still interested to hear what gurus of the Ubuntu internals think of this method.
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Jan 2, 2010
I reinstalled Slackware lastnight and was configuring Samba today and when I tested the config (I had just copied over my working smb.conf) I kept getting an NT_LOGON error when I run:
PHP Code:
smbclient -l MYSERVER
from the root account after entering root's password.
I can log in through konqueror if I pass the credentials of the only user defined in smb.conf after I'd run smbpasswd for that user, and if I bring up a full terminal session for that user smbclient works fine, but it seems odd that root can't access the shares on the machine. I may have just never noticed this before because I usually test from a user account, but is this normal since I specifically only define one user where samba is concerned? I'm mainly asking because I was getting some unexpected write errors last night while I was installing the multilib libraries for Slack64 as root and I'm trying to verify everything.
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Jun 22, 2011
I have a user account on my laptop which does not display the sound-service icon in my notification area applet (Ubuntu 11.04). If I try to start /usr/lib/indicator-sound/indicator-sound-service manually, I get the following error:
Code:
libindicator-WARNING **: No watchers, service timing out.
** (process:5612): DEBUG: Service shutdown !
In the many months I've had this account on this box, and as a result of the many minor mods I've made to the account, I've somehow bollixed something in the account setup which interferes with the startup of the service. I created a new account on the system, and the sound service icon displays properly, so I know it's not a system problem. Both the new, bare account and my personal account are in the audio group. As a work-around, I have an icon for gnome-volume-control on my top panel, which works pretty well.
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Jul 11, 2010
In the past, I've installed Internet services as daemons and as xinetd.d with no problems. Those approaches do not meet my needs. And, perhaps, nothing will.
- the service was converted from VB-6 to wxPython. It has a GUI which is accessed with either "remote desktop" or VNC.
- the wxPython service works on Windows and can be accessed from other hosts on my LAN
- the wxPython service works on CentOS and Fedora, but can only be accessed from within the server host. Even from other user-ids. But, I cannot get to it from other hosts.
- ipchains AKA firewall ports are marked for INPUT.
- The server host uses autologin to fire up a useid in group "user". I do not want it running as "root". the .bash_profile fires the service up.
- the service is heavily mult-threaded, and supports devices connected to serial ports asynchronously with the ephemeral port threads (all this works).
There are some programming solutions that I would rather not develop.
- a proxy service that runs under xinetd.d.
- separate the GUI code from the Internet and serial port code. Allocate a "control" port for remote GUI control. a'la SAMBA & SWAT
Is there any hope, that I can run it as is, by doing some network configuration stuff.
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May 21, 2010
I recenlty set up a headless linux home server by my router will my spare computer parts. I have NFS and even a COD4 server running on it for my friends and me. Because the box is headless, I take controll over it with ssh and start the COD4 server from there, but the problem is, if I close the terminal I have the ssh running from, it closes my server, meaning my desktop needs to be up and running the entire time. That kinda ruins the point of my server
So my question is, is there a way for me to run the command so that it will not close with the terminal AND that I can still send commands to the server.
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Apr 8, 2009
How do I figure out which CPU's a process has used recently or is currently using?
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Dec 4, 2010
I am trying to compile Clanbomber in Squeeze but I get the following error message when running ./configure:
checking for DirectFB... found
checking for FusionSound... configure: error:
*** FusionSound 1.0.0 or newer is required. The latest
[code]...
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May 17, 2011
First thing I will say is I am new this site and computers in general. I have pc and am running back track 4. Today the computer shut off, maybe an over heat. I restarted it and it turned off again even before the reboot finished. I put an additional cooling fan in front of the air intake and the computer is staying on but now will not open the emails in the my hot mail account. It seems to open the account, I can see what is in my in box just can not open them. Moving the curser over the unopened email usually made what is in task bar at the bottom of the page change. As of now it continues to say "Done" in stead of showing a task. Moving the curser over other things on the same page will make the task bar say "javascript" only.
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