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0
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0answers
7 views

How to avoid Frequent log-outs from Vyberome client on Ubuntu?

I am using Cyberome client to login into college internet.But after few time,Its getting log-out.and I need to restart my PC to login again. Because its saying "./crclient: Already Logged In With ...
0
votes
0answers
24 views

How can I remove “**name2**” in Linux [duplicate]

I want to minimize the words that are before "$" in name-name2@ahmad:~$
2
votes
2answers
48 views

awk command while ((getline < “gpsoutput.tr”) > 0 for constantly updating file contents

I am currently using a G-STAR IV globalsat GPS which gives me the following output (which is coming from the GPS every 1 second) and I save this output by redirecting to a file name "gpsoutput.tr". ...
-1
votes
1answer
25 views

What is the difference between installing Linux Mint and loading the iso file? [closed]

I have loaded Linux mint in my C drive via the iso file. I still find an option to install linux while booting Linux Mint . Is there any difference between loading the iso file and installing Linux?
0
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0answers
43 views

how to set up group level administrator in linux ubuntu!

In my application there is multiple groups and n number of users. What i need is to assign a particular/multiple user as group administrator. Group level administrator is just a user that has ...
0
votes
2answers
31 views

What happen if the executable permission of chmod is revoked

What to do if I change the executable permission of /bin/chmod? How to recover from that scenario?
0
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0answers
22 views

What is cost of kernel-mode switch on Ubuntu?

What is the cost in CPU cycles of a kernel-mode switch, so from user mode, to kernel mode and back to user mode, on Ubuntu?
0
votes
0answers
77 views

Create virtual USB Drive from Partition to run Live CD

I'm trying to install android_x86 on a separate partition that was created before installing 14.04. Just for testing experimental reasons, I created a 32gig partition to use as a virtual usb per to ...
0
votes
1answer
47 views

How to shutdown an ubuntu VM for 5 mins and then restart after 5 min automatically

I would like to shutdown a VM which is running Ubuntu 12.04LTS , and it should come up after 5 mins . Can this be done using command line ?
0
votes
1answer
458 views

I can't add myself(default user) in sudo group in ubuntu [duplicate]

I accidentally changed my primary group using the following command. sudo usermod -g localgroup shantanu #shantanu is my username I interrupted this process as soon as I realize what is happening. ...
0
votes
1answer
56 views

Non Sudoer Access to a Kernel Module

Is it possible to access a kernel module if a user is not sudoer? I am trying to access a KVM, which is kernel module, as non-sudoer but I am getting an error: Could not access KVM kernel module: ...
0
votes
0answers
15 views

Grub, linex and windows 7 [duplicate]

I have grub, Linux, and windows 7. Someone installed grub and Linux on my computer. We had partitions. Now I got rid of the partitions and Linux. The problem is when I turn my computer on now I get: ...
0
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0answers
47 views

How to create filesystem with nfs for User Mode Linux

I trying to debug user mode linux and have referred this Wiki for it. how to build and configure kernel and file system for UML in Ubuntu 11.10? but how do I add support for NFS into the created ...
0
votes
3answers
40 views

Help me to know ubuntu [closed]

Please help me to find the way to know about Linux (Ubuntu) and everything associated with that. I want to know about the internal working of Ubuntu and how to manage it. I am a computer student and ...
1
vote
0answers
40 views

I can't change the username?

Whenever I'm trying to change the username I get this error: usermod: cannot lock /etc/passwd; try again later What's the solution for this?
0
votes
1answer
4k views

“dmask” and “fmask” mount options

I tried this command to mount manually : sudo mount -t vfat /dev/sdb1 /media/external -o uid=1000,gid=1000,utf8,dmask=027,fmask=137 I am not getting what dmask and fmask does here. I know they are ...
0
votes
0answers
34 views

Save Screenshot does not not appear when I press the Print Screen button

"Save Screenshot" does not not appear when I press the Print Screen button. What should I do in order to see "Save Screenshot"?
0
votes
1answer
34 views

I cannot change between Windows VM and Linux Host

When I open my Virtual Windows Machine I cannot leave the screen and go to my Linux system. I cannot minimize my WM window. How can I fix this problem?
0
votes
0answers
10 views

installing build application framework

I get this message while installing cruise control: Cannot construct net.sourceforge.cruisecontrol.build loop information I need help to work this out.
2
votes
0answers
141 views

Difference between FUSE and VFS in linux?

What is the difference between VFS [Virtual File System] and FUSE [File System in User Space] in linux. I think, most of the popular OS today support VFS feature. I recently had a chance to go through ...
0
votes
1answer
50 views

How to get the database details and mail configuration file in ubuntu 12.04.2 lts?

I am new to ubuntu 12.04.2 lts.I need to get the database details and mail configuration file & where we install the files & locations of file paths in ubuntu 12.04.2 lts.for my question i ...
-2
votes
2answers
60 views

How do i go from linux mint 15 to Ubuntu? [duplicate]

I have linux mint 15 and want to uninstall that and use Ubuntu, i am real new to the whole linux OS. Please help me out if you can!
1
vote
0answers
21 views

Need to remove Metasploit from my Ubuntu 12.10 system [duplicate]

Tonight I installed Metasploit in my Ubuntu 12.10 it did not work properly, so i removed it by executing the following command in terminal sudo rm -r /opt/metasploit now when i try to re-install ...
2
votes
1answer
123 views

can't boot past login screen

I'm new to ubuntu. I just installed 12.10 last night and was installing some applications. I was working on installing wine. When I entered a command from online trying to figure it out the command ...
4
votes
1answer
256 views

User Mode Linux on ARM

I usually use UML but seems ARM architecture doesn't support it. Can I use UML on ARM? Before this I shared tiny servers with my friends. Now, I bought ARM based server. Anybody knows how to use UML ...
3
votes
2answers
4k views

How to set Value of JAVA_HOME variable

My /etc/profile code is: # /etc/profile: system-wide .profile file for the Bourne shell (sh(1)) # and Bourne compatible shells (bash(1), ksh(1), ash(1), ...). if [ "$PS1" ]; then if [ "$BASH" ] ...
1
vote
1answer
832 views

Terminal running with superuser

How can activate the terminal to be run as superuser. I don't see the icon nor know the command line to do so
0
votes
2answers
47 views

No internet - please help?

I just got Ubuntu and I am really really really a linux novice. I can't get the wireless to work? I played around with it until I saw it says "wireless firmware missing" - Hardware address ...
1
vote
2answers
614 views

Problems with run from USB installation creation and lack of option to run from USB

I wanted to use and try Ubuntu from a USB flash drive so I used the Universal USB installer from PenDriveLinux. I selected ubuntu-12.04.1-alternate-amd64.iso since I have a 64bit processor on an HP ...
3
votes
4answers
11k views

How long does it take to compile a kernel (linux 3.2.5)? [closed]

How long does it take to install kernel (linux 3.2.5) on 12.04 using make install -j 4 command? My terminal is displaying this for around 40 minutes now. root@user-desktop:/usr/src/linux-3.2.5# make ...
0
votes
2answers
6k views

Regarding “Host key verification Failed”

I use Ubuntu 10.04 in 2 virtual machines. In one machine I have installed Hudson and another machine is to run klocwork. Scenario is when I trigger a build in Hudson, the script has to run successful ...
1
vote
2answers
219 views

How can i add the content of a file in the starting of another existing file?

how can i add the content of a text file in the starting of another text file? here is the scenario. there are 3 file named f1 f2 f3. all of three have some text content. how to add the content of ...
0
votes
1answer
1k views

how to grant file permission to /dev directory permanently [closed]

I have a file /dev/ttyS0. And every time I boot, Its file permission is changed to default (unwritable) by the system. So, i have to run chmod command every time i boot-up. How to change it's file ...
1
vote
0answers
1k views

Building User-Mode-Linux UML kernel from source [closed]

I have tried building a user-mode-linux kernel using both the source from the Ubuntu repository using apt-get and by using the git of the generic kernel. The source code from Ubuntu's repository ...
1
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0answers
453 views

How do I ssh into a User Mode Linux process [closed]

I have managed to startup a User Mode Linux session (see How to correctly start a Ubuntu user-mode-linux from the command line) although I'm still having an issue on startup I'm able to get networking ...
7
votes
2answers
4k views

How to correctly start a Ubuntu user-mode-linux from the command line

I have installed the package user-mode-linux for the UML kernel. I have built a user mode linux filesystem using the commands at: http://kuparinen.org/martti/comp/ubuntu/en/uml.html I have even tried ...