Questions tagged [linux]

A family of Unix-like operating systems using the Linux kernel. If your question is about a certain distribution only, use a more specific tag.

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9
votes
2answers
3k views

Limit CPU usage for flash in Firefox?

How can we limit the CPU usage of Flash plugins in Firefox ? I do not want to disable Flash, but I don't need to Flash objects to run at full speed either, in order to save battery power.
14
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4answers
7k views

What are the differences between major Linux distributions? Will I notice?

I've been using Linux in some form intermittently for the past ten years or so, but have only really been in to it for the past few months. What are the major differences between distributions? ...
7
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4answers
2k views

Good Free Ubuntu Server VMWare Image Needed

Can anyone recommend a good, free Ubuntu Server VMWare Image (or Virtual Appliance, as they call them)? I have looked on the VMWare VAM and there are literally hundreds to choose from. I am looking ...
23
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9answers
25k views

What's the difference between the commands “su -s” and “sudo -s”?

What is the difference between the two super user commands, su -s and sudo -s? They both give a shell with access to the superuser account.
3
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4answers
41k views

How to install GNOME desktop on linux (CENTOS)

How to install GNOME desktop on linux (CENTOS).I would appreciate detailed steps as I am a linux newbie.
1
vote
2answers
420 views

How to install and run KDE and GNOME?

I want to install KDE on Ubuntu 9.04. I would like to be able to keep my current stuff (settings, files, oh and GNOME). I would also like to choose which one to load before/right after I login. Can ...
7
votes
5answers
8k views

How to start a terminal window in the center of the screen?

It's kind of annoying how some Ubuntu (GNOME, X Window System) programs start at the top left of my screen. Is there a way to make the program start in the center of the screen. (Yeah I know it's a ...
7
votes
3answers
23k views

How do I disable the SuSE screensaver?

Running SuSE 11.1 w/ KDE 4. Screensaver keeps blanking out my screen on me and I can't find a setting to turn it off. A secondary issue is that it also eventually locks my screen on me if screen is ...
5
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6answers
6k views

“sudo apt-get install xyz” command

Can someone explain what actions this command will perform? sudo apt-get install xyz
49
votes
8answers
63k views

How to create a zip file compatible with Windows under Linux

I need to make a zip file available to all my Windows users visitors, so I naively produced a zip file with the Unix zip command (let's call it madeinlinux.zip). It opens successfully with WinRar or ...
2
votes
1answer
990 views

How do I configure a USB modem to connect to the internet like you can do in linux?

How can I configure windows to use a USB modem like I can do it on linux (http://forumz.in/1799-how-use-reliance-broadband-netconnect-ubuntu-linux/) I need to bypass the std dialer software provided ...
4
votes
2answers
2k views

How to share ethernet connection on Ubuntu (Jaunty)?

I've googled it and I've found mostly tutorials on sharing when having 2 ethernet ports. I am in a hotel with only wired connection (eth0). I would like to use my wifi card to share my connection with ...
444
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5answers
1.1m views

How to find a directory on linux?

I have a VPS with Suse Linux 10.3. I've logged in via SSH/putty and am trying to find where my web files are located. Since I'm uploading via FTP in a directory called httpdocs, I assume that this ...
2
votes
5answers
947 views

Desktop screen capture with compiz running

When running Compiz (Linux), let say I'm on Desktop #1 and I have an application running on Desktop #3. Is it possible to take a screenshot of the window (not the entire desktop) running on #3 from #...
1
vote
2answers
403 views

VMWare Fusion + VMWare for linux - sharing bootcamp partition

I have a macbook pro, where I mainly run MacOSX and Linux, but I do need to run some windows-only programs. I have three boot partitions, MacOSX, Windows XP and Linux (debian/ubuntu). From within ...
2
votes
2answers
2k views

Nokia E71 - USB mode and Linux and Python

I just got a Nokia E71, and a friend installed Python on it - which ought to be uber-cool. But here's what's driving me mad at present : I plug in the USB cable to connect to my Linux laptop. It ...
5
votes
3answers
98 views

Dual booting Windows 2k3 Server and Linux MBR

I have Windows Server 2003 and Linux installed on one hard drive [on separate partitions]. My first partition is the linux boot partition, and maintains Grub. When I boot the Windows partition and ...
44
votes
6answers
186k views

How can I edit the $PATH on linux?

I am using ubuntu 9.04 I need to add some folder to my $PATH. I know how to read the path: echo $PATH I want to be able to edit it and add 2 other paths. Thanks
1
vote
1answer
475 views

How do I get the number pad on a usb keyboard working in Linux?

My USB keyboard in Ubuntu Intrepid Linux has stopped working at all, and on any numpad keypress, will move the mouse cursor to the left side of the screen. The same behaviour is present with numlock ...
4
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3answers
2k views

Ubuntu PPPoE connection timeout

I am trying to setup my internet connection on Ubuntu 9, but I am having some dificulties with it. I managed to get it working but it continuously disconnects and reconnects. Here's what I get ...
7
votes
7answers
3k views

Automatic log-in in Linux

What is the easiest and most elegant way to log into a fluxbox session automatically (with no action necessary, no keypress or anything) on system startup as a certain user. [Edit 2] Not even a shell ...
1363
votes
9answers
1.1m views

How can I sort the output of 'ls' by last modified date?

How can I sort the output of ls by last modified date?
26
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4answers
20k views

With Linux iptables, is it possible to log the process/command name that initiates an outbound connection?

I would like to keep track of the processes that initiate outbound connections on a Linux desktop. The best I can come up with is this: iptables -A OUTPUT -m state --state NEW -j LOG --log-uid This ...
4
votes
1answer
1k views

Force consistent device naming on Debian Linux

I have a Debian (lenny) server with 9 sata disks. One disk is connected to the motherboard's sata controller. The others are connected to two PCI sata controllers (four disks each). The disk connected ...
303
votes
19answers
329k views

How do I detach a process from Terminal, entirely?

I use Tilda (drop-down terminal) on Ubuntu as my "command central" - pretty much the way others might use GNOME Do, Quicksilver or Launchy. However, I'm struggling with how to completely detach a ...
10
votes
6answers
1k views

How do you protect your computer from Live CD's?

Linux has grown in popularity in the past few years. Many more people are using Live CD's now than they were say 3 years ago. And with this comes a new problem for network admins. How do you stop a ...
7
votes
3answers
809 views

security concerns in dual-boot Linux, Windows system?

I plan to install Windows Vista on my second hard drive partition, with Ubuntu Hardy remaining on the first partition. How likely is it that any security holes that may exist in Vista could allow ...
8
votes
7answers
631 views

What is the easiest way to free space on a hard drive?

My hard drive became full. I am looking for ways to locate the things that use most of my disk space. I played with cron once so it may have consumed a great deal of space, but really I have no clue. ...
2
votes
3answers
9k views

Can I run VNC server on linux which don't required any password?

I want access a VNC Server running on a linux machine from windows client, without using any password. Is that possible?
3
votes
3answers
7k views

In what directory should I install Jetty on Ubuntu Linux?

I've downloaded jetty-6.1.14.zip into my home directory on my Ubuntu 8.04 box. Where is the appropriate place to unzip it? I put it in /opt because /opt is supposedly for "storing random data that ...
6
votes
8answers
4k views

How to make a linux desktop and mac notebook share keyboard/mouse?

I installed Synergy server onto my Linux system, and installed Synergykm on to my Mac. When I try to connect with Synergykm from my Mac to my Linux system, it always fails to connect. The error that ...
5
votes
13answers
6k views

How do I push a file from a Linux box to a Windows Box?

How do I push a file from a Linux box to a Windows Box? Which versions of Windows have a built-in SSH server that a Linux box can "scp" (secure copy/ssh) to. I'm looking at freesshd right now. Any ...
14
votes
9answers
25k views

In linux, how do I create/restore an image snapshot of my entire drive?

I'm too spoiled by Windows utilities that take a digital snapshot of your entire drive, which you can then restore from in the event of a drive crash. (e.g. like Time Machine for Mac OS X). Is there ...
11
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2answers
6k views

What is the colorized version of the Linux “top” program?

I didn't know "top" had a nicer colorized version like this. What is the command? Does anyone recognize this?
7
votes
6answers
225 views

How do I prevent two OSes from clobbering grub files?

I want to install Linux and OpenSolaris on the same hard disk in different partitions. I'm worried because OpenSolaris seems to actively manage the grub data when updating the OS (part of the "boot ...
2
votes
3answers
3k views

How to fix “GRUB error 17” problem on laptop without working CD reader

I broke the laptop. How did I break it? I remember feeling happy about wubi. Now I feel bad about wubi and everything that I did. I used the partition editor within Windows (System Tools - ...
74
votes
17answers
81k views

Untar, ungz, gz, tar - how do you remember all the useful options?

I am pretty sure I am not the only one with the following problem: every time I need to uncompress a file in *nix I can't remember all the switches, and end up googling it, which is surprizing ...
5
votes
4answers
674 views

Can my Linux box turn off the UPS after it shuts down?

I have an APC UPS with all my computer peripherals plugged into it. When I'm done using the computer, I'd like to be able to type "shutdown" or "init 0" and walk away from the machine, trusting that ...
18
votes
5answers
10k views

Bare-metal virtualisation for the desktop

What knowledge exists about bare-metal virtualisation products? I'm interested in building a new desktop machine for home. I've been looking at the Intel Quad Core processors and I'd like to put 8 GB ...
8
votes
4answers
2k views

Parental control or outbound firewall?

Based on the Age distribution of Stack Overflow users some of you might also have kids in the ages when certain images can be very disturbing. An age when they cannot yet decide by themselves what ...
13
votes
9answers
10k views

How do I prevent GDM from running at boot on Ubuntu?

I have a Ubuntu (Hardy Heron) sever that currenlty boots up and runs gnome. I would like to make it so that when it boots it only goes into text-mode (e.g. the x server never starts) I tried: sudo ...
159
votes
13answers
445k views

How do I figure out which /dev is a USB flash drive?

I want to mount a USB drive, two of them and I need two different mount points. Unfortunately, the Linux kernel underwent a name change and I can't figure out which /dev location is the right one. Is ...
23
votes
2answers
43k views

How do I increase VirtualBox resolution past 800x600 in Linux? [duplicate]

Possible Duplicate: Ubuntu on VirtualBox can only show resolution of 800x600 - how to change it? No matter what I do I cannot get the resolution past 800x600. If I am using a Windows install in ...
9
votes
3answers
7k views

How do I get grub to boot Windows from a second hard drive

I normally boot into Linux using grub so have linux as the first hard drive in my machine. I have Windows installed onto a second hard drive and am trying to get grub to boot it. The grub config ...
102
votes
9answers
143k views

How do I add a user to multiple groups in Ubuntu?

What's the command line utility and the arguments it requires?
24
votes
13answers
4k views

Tiling Window Manager

I've been looking into tiling window managers because I'm tired of manually positioning and resizing all my windows whenever I want to see some information side by side. However, the tiling window ...
56
votes
7answers
52k views

How to throttle bandwidth on a Linux network interface?

Is there a way to constrain the bandwidth on a NIC in linux? I'd like to be able to simulate an arbitrarily slow connection.
84
votes
6answers
73k views

VirtualBox to use dual monitors

I am running Kubuntu Hardy Heron, with a dual monitor setup, and have VirtualBox on it running Windows XP in seamless mode. My problem is, I can't get VirtualBox to extend to the second monitor.  How ...
27
votes
5answers
6k views

VirtualBox from an existing partition

I installed VirtualBox on my Ubuntu Hardy Heron installation, and I would like to use it to virtualize Windows for those rare occasions that I actually need to do something there. Unfortunately, I ...
13
votes
4answers
3k views

Setting up Dual Heads on CentOS 5

I asked a question on Stack Overflow a while ago about learning to use Linux, and since then I've installed CentOS 5 on a local machine to match my host. Installation was fine, and I'm up and running,...