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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20
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4answers
13k views

How to prevent sudo users from running specific commands?

I have a very sensitive network setup and I really dont want to mess up with it. My network consists a bunch of users who are with sudo privilege. I want to stop them from running service ...
13
votes
5answers
5k views

How to record screencast on Linux with mouse clicks and key hits shown

Basically I'm looking for an application to record a series of tutorials for a program I wrote. It's important to show the actions like mouse click, mouse right click, and all what's coming out from ...
37
votes
3answers
2k views

Say`vimrc`or `screenrc`, what does the `rc` mean?

What does the rc mean?
22
votes
2answers
5k views

How do I recover a form in Firefox *without* installing a plugin? [duplicate]

Possible Duplicate: How to recover form information for a webpage in Firefox I typed a couple of paragraphs on a discussion board, but when I clicked the submit button, the site was ...
10
votes
2answers
18k views

Using Samba to share a folder from a Linux guest with a Windows host in VirtualBox

I would like to share a folder from a Linux Guest with a Windows host (with read and write access if possible) in VirtualBox. I read in these two links: here and here that it's possible to do this ...
25
votes
1answer
41k views

Why is the “top” command showing a CPU usage of 799%?

I am running a process in a 4 core Ubuntu server. However, top command shows that the CPU usage is 799% all the time. How can this be possible? I know for multi core CPUs, more than 100% CPU usage ...
24
votes
6answers
43k views

command not found when using sudo

There are a few question on the site that seem related to my problem but I could not find a solution in any of them. My operating system is Ubuntu 12.04. I have mvn installed in ...
20
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 ...
29
votes
3answers
46k views

How to show output on terminal and save to a file at the same time?

I am using: user@unknown:~$ sudo command -option > log to save the results of "command" to the file "log", but I'd like to also get the result on the terminal, is this possible? I am using ...
15
votes
2answers
61k views

How to route only specific subnet (source ip) to a particular interface?

How to route only specific subnet (source ip) to a particular interface? OS: Linux I know I can do easily by destination IP by using something like route add 1.2.3.4/24 dev eth4 but I do not ...
12
votes
8answers
11k views

What Linux distribution has the most up-to-date packages?

Ubuntu's release schedule is just too slow. I want the absolute latest version of everything. Even if it's slightly unstable. Which distribution will give me this without having to manually install ...
11
votes
3answers
20k views

Create Virtualbox image of a physical partition

I've a drive with Fedora and Windows 7 on different partitions with dual boot. Now, while running Fedora, I'd like to suck up the Windows partition and create an image I can run in VirtualBox - how ...
9
votes
5answers
35k views

No /mnt/hgfs in Ubuntu guest under VMWare Fusion

I just installed Ubuntu 13.04 inside of VMware Fusion Pro 5. I have the virtual machine configured for read-only sharing of my home directory, but there's no /mnt/hgfs directory and there's no ...
8
votes
7answers
3k views

Cleaning windows viruses from linux

In a dual-boot system, does anyone have experience dealing with viruses that hit windows from linux? (disambiguation note: dealing with them from linux .. ) The C:\ in windows is mounted to ...
40
votes
5answers
8k views

What is the equivalent of Linux's “~” (tilde) in Windows?

In Linux, we can go to the user home by entering the tilde (~) character after cd: cd ~ How to do the same in Windows? Each time, I need to type: cd C:\Document and Settings\freewind That's too ...
11
votes
5answers
13k views

What Linux fits on a floppy disk?

Which Linux distributions fit on a 1.44 MB bootable floppy disk? Where can the .img image files be downloaded?
8
votes
3answers
3k views

Remote into Linux workstation behind a firewall

Let's say I have a Linux workstation at work, behind a firewall. So even though I may have a remote access server set up on it (such as the most excellent NoMachine NX Server), I can't access it from ...
7
votes
2answers
10k views

What are the disadvantages of not using UEFI boot?

I bought a Samsung series 9 laptop with 64-bit Windows 8 pre-installed and wish to install Linux (probably Ubuntu 13.04 when it comes out ext week, but also considering mint 14). Now there have been ...
5
votes
2answers
20k views

What are the methods available to get the CPU usage in Linux Command line? [closed]

We know that top is a command to get the CPU usage in Linux and other ways include cat /proc/stat which is used by top. What are other methods to get the CPU usage in the Linux command line? Use ...
4
votes
5answers
33k views

External Hard Drive bad sectors recover/mark utility in linux

I've just installed the new version of Ubuntu, Karmic Koala, in my laptop. Everything is fine, except for the fact the system identified about 300 bad sectors in my 1TB external hard drive. I'd like ...
20
votes
8answers
112k views

How to get an inactive RAID device working again?

After booting, my RAID1 device (/dev/md_d0 *) sometimes goes in some funny state and I cannot mount it. * Originally I created /dev/md0 but it has somehow changed itself into /dev/md_d0. # mount ...
15
votes
5answers
5k views

Steganography software

Do you know some good (better if FOSS and cross-platform) steganography software that runs on GNU/Linux? The features I'm searching are: steganography software (better if FOSS and cross-platform) ...
14
votes
2answers
2k views

Tab-completion with directories/links

I have this problem with tab-completion in terminal in both archlinux and ubuntu: I have a link which links to a directory named "something" in my home directory. Now when I open a terminal and want ...
14
votes
6answers
36k views

Is there Linux support for TRIM on SSD drives?

Does any know if there is a way to enable TRIM support on Linux for SSDs? This is included with Windows 7, and I was surprised that I couldn't find much information about it under Linux. Info on SSD ...
13
votes
8answers
6k views

Pushing my PS1 prompt over ssh

I use a specific PS1 prompt that I like. I share a few logins with other other people on a few different servers. I was wondering if there was a way to specify in my local bash profile a remote prompt ...
13
votes
5answers
9k views

How to join two CSV files?

Suppose you have one CSV file with 2 fields: ID and email. You have another file with 2 fields: email and name. How can you produce a file with all three fields joined on email?
7
votes
2answers
10k views

What are the nuisances of creating a bootable Windows 7 USB drive from linux with ms-sys or dd?

I have been reading some web pages and posts (here and in other forums) about how to create a Windows 7 installation USB media from linux (to install Windows 7) I asked in TechNet about this, and I ...
5
votes
9answers
46k views

How to find virtual memory size and cache size of a linux system?

Is there any command to get virtual memory size, cache size and front side bus speed of a linux system? Is swap in linux same as virtual memory?
15
votes
3answers
6k views

How can I do Ctrl-Z and bg in one keypress to make process continue in background?

I follow this pattern of suspending the task and then letting it to continue too often with the Ctrl-Z bg sequence. I was wondering is there any way to compress that to single keypress? My shell is ...
12
votes
2answers
2k views

SandForce SSD encryption - security and support

I'm currently thinking about buying a ThinkPad X201 and equip it with a SSD drive. Now, to protect my data I always used Linux with LUKS full disk encryption on my laptops. However, as stated in ...
10
votes
4answers
2k views

X equivalent of 'screen' utility

Under unix/linux, there is this extremely useful program screen: it's for bash, text-only, and I can detach a session, log out (the session is still running though), log in later (even from a ...
9
votes
3answers
4k views

Script or launcher to setup multiple terminal tabs in different locations

I have already studied this some time ago, but did not find any solution that would open terminal tabs, run some commands and then allow me to continue using those terminal tabs. All the ways I found ...
8
votes
3answers
4k views

Watch Filesystem in Real Time on OS X and Ubuntu

I'm looking for a CLI tool which will watch a directory and spit out the names of files that change in real time. some_watch_command /path/to/some/folder | xargs some_callback I'm aware of inotify ...
7
votes
3answers
10k views

Use VirtualBox to boot a physical drive/partition

I have two partitions on my hard drive, one for Windows and one for linux. I would like to use VirtualBox in Linux to boot the Windows partition as a virtual machine. How can I acheive this?
4
votes
4answers
6k views

temporarily disable touchpad and keyboad, i.e. babyproofing my linux laptop

Following up with this other question, how can I temporarily disable the touchpad (both movements and buttons) as well as the keyboard in Linux Ubuntu Hardy? I mean, there is a menu for disabling the ...
29
votes
2answers
12k views

Linux: Is there something similar to “top” for I/O?

My disk often is utilized, but top (and htop, a custom replacement) show nothing suspicious. Is there a way to sort processes by I/O (more specific: disk) utilization? EDIT Found out using iotop ...
12
votes
3answers
5k views

Why use multiple partitions on Linux installations?

Does it really perform better than a single partitioned installation? Why?
11
votes
4answers
781 views

Linux file system

What are the conventions for file locations in Linux? So far I've managed to deduce: /proc (references to running processes) /dev (references to all hardware) /etc (configuration files) /home ...
10
votes
5answers
4k views

Is it better to dual-boot or run a VM?

I want to run Windows Vista 64bit (Eventually Windows 7) and Ubuntu on the same machine. I want to play games and do graphic design in Windows. I want to write code, surf the internet, check email, ...
8
votes
3answers
6k views

Syncronizing files over FTP

I need to syncronize files in my computer with server to which I have only FTP access. So I can't use rsync (that would need at least SFTP, but the only channel available for me is plain vanilla FTP). ...
7
votes
4answers
8k views

One-way syncing/backup with Unison

I'm using the syncing tool Unison with my Mac OSX and Ubuntu 9.10 machines to backup my music from Mac to Ubuntu. The thing is, I want to have my Mac be the source and Ubuntu be the target so that the ...
6
votes
3answers
878 views

Is there a filesystem that is “friendly” to both windows and Linux? [duplicate]

Possible Duplicate: Suggestions for sharing and using data between Ubuntu and Windows 7 dual boot I'm planning to install Ubuntu 10.04 with Windows 7. (I'm new to Linux, have to use at work ...
5
votes
2answers
2k views

OS X keeps “losing” my Linux Samba shares

I have a Linux server (Ubuntu 8.10) and a Macbook (10.5.7). The Linux server has some Samba shares which I mount on the Macbook. They are set to mount on boot using the "Open Applications at Startup" ...
4
votes
4answers
42k views

Setting permissions for specific user and groups in Linux

How can I grant permission for files to a specific user or a specific group? We have three groups: "g12" ("u1" and "u2), "g34" and "g56". g12 - should only read the file. g34 - should write and ...
3
votes
8answers
1k views

What do I need to run a Linux Home Server

What hardware and software will I require to run a Linux Home Server?
2
votes
1answer
3k views

Forcing all outgoing connections through proxies

How can I do this in Linux? It'd be nice if there was a way to transparently force connections through proxies rather than configure them individually for each program.
10
votes
4answers
10k views

Releasing swap space

At times the kernel seems to be intent on keeping e.g. firefox in swap, even though there is enough physical memory available and I'm using firefox: robert@rm:~> free -m total ...
10
votes
7answers
6k views

How do you track which packages were installed on Fedora (Linux)?

(This question is very similar to 6338. It was suggested that it be split from it as Fedora and Ubuntu/Debian are different enough to warrant different answers.) As I use any Fedora setup I ...
9
votes
2answers
13k views

What do different values of hard drive's Advanced Power Management feature (hdparm -B) affect, except spin-down?

hdparm's -B parameter is documented as: Get/set Advanced Power Management feature, if the drive supports it. A low value means aggressive power management and a high value means better per‐ ...
8
votes
4answers
9k views

How to bulk-rename files with invalid encoding or bulk-replace invalid encoded characters?

I have a debian server and I'm hosting music for an internet radio station. I have trouble with file names and paths because a lot of files got an invalid encoding, for example: ./music/Bändname - ...