Ubuntu :: Know Where The Installed Applications Are Stored And How Much Memory They Occupy
Sep 25, 2010
I have installed ubuntu 10.04 using wubi installer..I am dual booting ubuntu with windows 7.I have alloted 8 gb of disk space while installing ubuntu.My first question is how can i know where the installed applications are stored and how much memory they occupy and how much free space is available out of the alloted 8gb.?My second one is now i have to install RAD 7.5 which requires 3.5 gb of free space..How can i expand the disk space without the need of reinstalling ubuntu.
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Nov 21, 2010
I've just moved to Ubuntu and using Linux on the desktop in general. I use RHEL on a daily basis for work so don't really have much experience with window managers etc but like to understand how I'm doing what I'm doing. In that regard, I've configured a couple of scripts to be run when I login using 'System -> Preferences -> Startup Applications' but what I want to know is where do these settings actually get stored within the file system?
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Sep 1, 2011
I need to be able to launch a GUI application for all users after they login. I know I can go to Startup Applications and add a launcher, but I don't want to have to login as every user and do that. Is there a file I can edit from the command line with elevated privledges? Something I could script, like appending to an XML file or something?
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Jan 12, 2009
I need to call a function that takes a string array as argument, declared like this:Code:int someFunction(/* some parameters... */, const char* s[]);I'd like to know how to allocate memory for the string array. I know a string is an array of chars and an array is a pointer to the first element, then a string array should simply be a two dimensional char array. But is it a single memory block where all strings are stored consecutively?? Or is it a base vector where each element is a pointer to a separate memory block that contains a single string?More specifically: should I malloc() a single memory block large enough for all the strings? or should I allocate separate blocks for each string plus an extra one for the base vector?
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Feb 15, 2011
I am new to linux and I am running Postfix as my Mail server. Comcast customers are not receiving mail that is sent from my server. I need to check the logs. I can't seem to find them. Can somebody point me in the right direction.
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Aug 12, 2011
I run debian squeeze. I use apt-get install openjdk-6-jdk. But I do not understand how I can figure out where the files are stored?
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Jun 5, 2011
I was wondering if there was any way to remove icons from the installed applications menu?I recently attempted to install GOG.com's Zork Anthology using Wine and when I de-installed, the icons for those files were still listed in installed applications. Is there anyway to delete them manually?
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May 25, 2009
Is there a programmatic way to get the list of all installed applications on Linux.
Also, how can we get the application activities in Linux OS like running applications name, time of day when they started, duration till the applications were running on system, application version etc.
Is there a way to do this in C/C++.
I am building an app that runs like a daemon and fetches the applications status and sends it to the network admin for him to monitor the application usage pattern on the user computers in the network.
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Oct 23, 2010
I would like to access/print a C Variable of any type "as it is stored in the memory". I would expect the output to be an array of bits. Whats the simplest/shortest way to do that?
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Oct 20, 2010
I have machine that I used to VNC to on my network with Remote Desktop Viewer from my Fedora 12. When I first connected I checked the checkbox that I wanted to store the pw. Now the pw on the other machine has changed but Remote Desktop Viewer does not ask for a new password, it just gives me a black screen, like I am connected but I can't see anything. I'd like to know if anyone knows where this pw data is stored on the system so I can start fresh. I already tried uninstalling Remote Desktop Viewer and installing it again.
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Mar 30, 2010
I am a newbie to Linux. I wanted to know how to explicitly manage memory for applications running on linux. For example, I want to create an application (using C) that has two separate physical address ranges associated with it. How do I assign explicitly those address ranges (the ranges are user defined) to the program?
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May 7, 2010
I have to figure out how to pass data between a Fortran application and a C++ application. The memory has to be locked/unlocked to prevent data corruption. I know very little about Fortran. I have done mutex lock/unlock stuff in Linux apps, multi-threaded, using mutex locks before.
Digging around on the Web, I do not find any info on a Fortran app including linux headers, library calls such as those in ipc.h, shm.h and sem.h. What is an approach to this problem?
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Aug 17, 2010
configure IfModule mpm_worker_module and mpm_prefork_module by memory Example : I have 1 server ubuntu linux use Apache+PHP - How to configure :
[Code]...
for : 1Gb or 2 Gb - Have math configure <IfModule mpm_worker_module> </IfModule> by memmory?
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Nov 5, 2010
I currently work within an RTOS environment without an MMU and thus have access to the entire memory map of whatever application I'm working on. As is common in the embedded world, different parts of the memory map relate to different peripherals or different types of memory. For our next generation hardware, my company is looking at moving to an MMU-enabled processor and using Linux in some shape or form. Most of us in the dept are familiar with Linux, but we are not Linux gurus by any means. So how to explicitly indicate to Linux that we need certain portions of an application to be stored in NVRam and other portions of the application to NOT be based in NVRam has us confused. None of us have a clear understanding of how user memory is delved out by Linux and how we can influence Linux to use specific portions of the memory map at specific times.
For example in this new application, we expect to have 2 memory chips, both that are DDR3 interfaces. One is a standard DDR3 chip. The other is a non-volatile MRAM with a DDR3 interface so it can be accessed by a DDR3 controller and coexist with conventional DDR3 memory. But because the portion of the memory map that the MRAM will represent will be the only portion of non-volatile memory, we are unclear how we explicitly access MRAM addresses in an MMU-controlled environment. My hail-mary guess was that we would want to somehow tell Linux that we want the MRAM's memory space to be mounted as a RAM Drive and then we access that memory as though it is a file on a HD, except it is much higher speed since it will be at DDR3/MRAM speeds. Is there a better, more straight forward way to do this? Coming from an RTOS world, Linux is going to pose some serious challenges for us, but I think it will be the right move once we are all up to speed and are thinking Linux-centric.
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Oct 28, 2010
Question 1. Does gparted etc. just write to the MBR? Question 2. Is this the only record of the partition table? Question 3. How do i find the sectors that the partitions occupy?
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Jul 28, 2010
As the title states, I'm only seeing 3.2GB of memory with 4GB installed.
Code:
--> free -m
total used free shared buffers cached
Mem: 3277 990 2286 0 58 388
-/+ buffers/cache: 543 2733
Swap: 2933 0 2933
-->
My mainboard is a MSI K8N Neo4 Platinum. I have 4GB of OCZ memory installed. 2GB just recently installed. In the bios, I've enabled the memory hole remapping for both HW/SW. It is not a shared memory with the onboard video. I have the onboard video disabled. I have a dedicated Nvidia card. The Bios does show a full 4GB in the system information section.
I thought that 10.04, was supposed to have the pae kernel enabled by default. Is that not the case?
Code:
--> uname -r
2.6.32-24-generic
-->
Is the fix to install the pae kernel?
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Jan 29, 2010
there a way to check what type of memory is in a laptop & how much it can have,
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May 9, 2011
I have host winxp and guest centos in vmware. how to maximize the whole desktop display in centos so that it will occupy my whole 15" monitor. I already maximize the vmware and centos..nothing happens. If i maximize the centos, it will only maximize in the center screen.
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Jun 19, 2009
I'm using Fedora 9 (64 bit).At the moment, I'm trying to download Fedora 11 using a bit torrent, which is reportedly connected at an average of about 25kbps.The only problem is that whilst the download is active, I can hardly even surf the net properly, even though my current isp connection speed is 5.5mbps.There don't appear to be any background processes running that would utilise any of the bandwidth, and as soon as I pause the torrent the problem disappears.I'm dual booting with Vista, and I don't seem to get the same problem under that OS, so I'm guessing it's something to do with my network settings in Fedora.
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Jan 30, 2011
When I first started with Fedora I tried a dual boot situation to see if Fedora 13 was going to meet my needs. After being totally satisfied I deleted Windows from my computer. How can I get Fedora to also occupy all the disk space Windows once occupied? I have a 15 GB USB drive to work with if needed.
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Jun 20, 2011
I have installed SAFECOPY & TESTDISK using Synaptic manager. after installation I can't find the applications in the menu, I am trying to use them. where to find these applications?
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Aug 1, 2009
I've recently tried to install various well known programs however they do not show up anywhere. Even in the home folder they do not show up. It's like they were never installed, but I know for a fact I watched them being installed in the terminal and everything. The application I am most concerned with is ies4linux(mainly because its in the way of my WoW playing). I did the whole cabextract (already have wine) and downloaded the ies4linux file.It runs the installer for it, however it doesn't show in the applications or home folder.
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Oct 26, 2010
I have installed several applications on my Powerbook running lucid, but when I click the "applications" menu, many of them do not appear on the list. They show in the software install/remove application.
How can I run the unlisted applications?
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Jan 23, 2011
We all know that we can remove installed applications straight from terminal or ubuntu software center. However, sometimes we download .deb files from the web that are not necessarily on the repository. My question is, how do I uninstall a manually installed deb application?
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Mar 31, 2010
I installed sun virtual box 3.1 by double clicking on its .deb package and it said it has been successfully installed, but I can't see it in the applications menu, what's wrong ? It's listed under synaptic package as installed after completing the installation
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May 23, 2010
i recently installed a few games via the Synaptic Package Manager on Ubuntu but they aren't in the Applications->Games menu when i click on it
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Jul 14, 2010
I know with if statements in bash you can do
Code:
if [ $fruit = apple ]
then echo "Good, I like Apples"
fi
But I was wondering if you could do something like this:
Code:
if [apt-cache pkgnames smbfs = smbfs doesn't exist]
the apt-get install smbfs
fi
If so how would you capture the output from apt-cache pkgname smbfs to determine if it's installed?
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Jul 15, 2010
I have downloaded a couple of software packages from the ubuntu software center and they are not showing up in the applications menu on top, I have no idea where on the hard drive it stores them so I can find them manually and place a shortcut in the applications menu.
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Oct 15, 2010
How do I view a list of installed applications in the terminal?
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Nov 2, 2010
I've been using Fedora 11 x86_64 for over a year and am about to upgrade to Fedora 13 using a genuine Fedora installation CD that I got last summer at OSCON. I've made a full system backup, but before I take the plunge I want to get a list of all installed applications. I have tons of special applications installed, many of which took tweaks to get running. Just in case something breaks so badly that I have to reinstall I want to be sure I can put everything back, even if it takes me several days work.I know I have read about utilities that will generate a list of installed apps, but I can't find any.
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