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

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3
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3answers
2k views

What is the proper way to enable a normal user to shutdown, halt or reboot the computer?

My dirty solution is to chmod +s /sbin/shutdown. It works but this is probably not good practice and insecure. Moreover after some system updates the suid bit gets reset. What would be the correct way ...
0
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0answers
899 views

“BOOTMGR is missing” while trying to boot off usb

everyone. here's the problem: I made a bootable USB stick to boot Linux mint using Unetbootin. When I tried to boot off it, though, the following message came: BOOTMGR is missing. press ...
4
votes
3answers
57k views

What is the exact command to restart a Redhat linux system?

I am new in linux. I want to know the exact command to restart a red hat linux server 6.3. and it has to start network drivers etc. I am using VPN to connect to remote machine using VNC. Can anyone ...
-1
votes
2answers
77 views

DMA issue, keyboard about to die?

I have this message when I boot up debian and it takes a bit before booting when it reaches this error message: https://dl.dropboxusercontent.com/u/762638/Files/Images/dma_issue.jpg If I mount the ...
6
votes
3answers
5k views

Should I disable hyperthreading?

I will be maxing out a few boxes running some heavy CPU intensive processing. Each process only uses 1 thread, so I will run them in parallel. I'm using machines with 4 cores, so that's 8 with ...
7
votes
2answers
4k views

How to clone entire VirtualBox OS to a new PC (real-hardware)?

The situation is; I am running a web server (Ubuntu 10.10 server) on virtualbox v.4 inside Ubuntu 10.10 Desktop and now I want to clone entire web server on my brand new PC. Please help me with this, ...
3
votes
2answers
3k views

How can I view live logs on a Linux server (Ubuntu)

How can I view a live log on a Linux server, so that I can see new log entries instantly as they are being added?
2
votes
2answers
275 views

How to do a proper Linux server backup to store apps installed and configurations?

I am familiar with using rsync for backups on Linux. However, in the event of a hard disk crash, I have been repeatedly told that with a new disk, install a latest version of the OS, then the data ...
0
votes
1answer
274 views

Why is iftop using so much memory? Are there any tools that are powerful, but do not use so much memory?

pmap iftop_id b7fce000 4K rw--- /lib/ld-2.5.so bf9aa000 84K rw--- [ stack ] total 204940K The memory of the server is only 1GB, but iftop takes 204MB. It is crazy that iftop uses ...
1
vote
1answer
122 views

FTP, SSH, VNC, ETC; All in One Environment?

I have a virtual private server, and I find myself constantly cycling through SSH tunnels in my Linux terminal to the server, then exiting to get to my current systems shell, then logging on to a FTP ...
2
votes
1answer
2k views

How do I install/make a custom prompt for fish shell?

I'm using fish 2.0 in #! Linux, but this might be an installation error, since my ~/.config/fish/config.fish is empty.
4
votes
2answers
1k views

How make a compressed tar when there are too many filenames for the shell to expand on a single line?

Normally I would just do something like: tar -czf archive.tar.gz *.csv But when there are too many files in the directory for the shell to expand on a single line this doesn't work. In these cases ...
0
votes
1answer
548 views

How do I properly stream media from my torrent box *without* transcoding?

I have a torrentbox. The special thing about this torrent box is that it's custom built, it has Windows 7 installed and I have full control over it using TightVNC. At the moment I'm using uTorrent ...
0
votes
0answers
162 views

Installing Android ADT on Eclipse fails due to missing requirements

I want to install Android ADT on Eclipse. After installing, I get an error and it says that this progress could not be completed. My OS is Ubuntu. Cannot complete the install because one or more ...
0
votes
1answer
135 views

Is it possible to make users subordinate to a user other than root in Linux?

I would like to create users that are subordinate to another user in Linux. By this I mean I want the superior user to be related to the subordinate users in two ways: The superior user must be able ...
0
votes
1answer
290 views

Secure Boot, Bumblebee and Fedora - how to?

I'm a happy user of Fedora 19 and I have it installed on a Samsung Series 5 laptop, which has an off board video card from NVidia - specifically a GeForce GT 630M. I managed to successfully install ...
1
vote
1answer
950 views

How to overcome grub rescue? [duplicate]

I had windows 7 installed, I had installed linux mint. I freed up one of my partitions from windows drive management to remove linux and now when I load, the screen I get is error: filesystem not ...
1
vote
0answers
220 views

How do I set a profile directory when launching firefox?

I have a system which has Firefox installed in /usr/bin/firefox that uses profiles in ~/.mozilla/firefox. I have installed a new additional firefox in /opt/myapplication. I would like for the new ...
0
votes
1answer
89 views

Setting up XFCE profiles

I was wondering if there's a way to set a profile before logging into my account. Like, let's say: My session starts running certain start up programs like Skype, Thunderbird or even Pidgin, which I ...
2
votes
1answer
4k views

Kill Gnome in Debian

I am using my backup computer as a server. It's running Debian and I want to kill everything gnome related to save memory. I'm accessing remotely through ssh. Any ideas?
1
vote
0answers
867 views

impossible to format a RAW usb flash drive

I was trying to format my flash USB that is a RAW format. When I plug it windows asks me to format the USB I choose format I choose slow format but after 6 hours not even 1% done. I tried quick ...
1
vote
4answers
3k views

How can I automate my Linux computer to power off (and on preferably) under certain circumstances?

OK, So a little background; I've been using Windows Home Server as a Backup Appliance, Media Server and Share Server at home for some time. I decided it was costing me allot of juice so very early on ...
2
votes
0answers
183 views

Alsamixer 200% without VLC

When I change VLC Player's volume to 200%, it appears to make everything else 200% volume after closing it. Once I open Alsamixer it still says 200%. However, if I try changing the volume at all, ...
0
votes
1answer
71 views

Find out information about installed hard- and software using the terminal without admin rights

I have access to a remote server, to which I login via ssh. I don't have admin rights, but I like to find out as much as possible about the machine, among other things to see If I get what I pay for. ...
2
votes
1answer
941 views

XEN dom0 network Bridge has no connection to domU's

I am using Debian wheezy with XEN 4.1. I have two network bridges xenbr0 and xenbr1. xenbr0 is linked to the real-eth0-nic so the domU's can talk to the outside world, which worked fine. xenbr1 was ...
0
votes
1answer
849 views

Changing time or offsetting it in OpenVZ contained server

I am trying to run a VPS, a Debian box contained in an OpenVZ container. Obviously, I cannot use time --set or any such command, as the time must be set via the parent node. The owner of the parent ...
3
votes
1answer
949 views

ethtool available network interface ports

# ethtool eth0 Settings for eth0: Supported ports: [ TP MII ] Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full Supports ...
3
votes
2answers
1k views

Is there a keystroke combination like “WIN + Left-arrow” In Linux (openSUSE)?

Is there a keystroke combination like "WIN + Left-arrow" in Linux (openSUSE), which moves the active window to the right half of the current screen? Edit: The solution I found is: Download ...
2
votes
1answer
2k views

How do I build openvpn without libpam?

Since I have no root privilege to install libpam, I failed to run ./configure. So is there any method with which I can build openvpn without libpam? checking for OPENSSL_CRYPTO... yes checking for ...
0
votes
1answer
794 views

Partition invisible on Windows, not on Linux

I have Windows 7 64b installed and recently also installed Ubuntu 12.04 Problem: 2 of 4 Partitions on the same harddrive are not visible in Windows. Here is some info: $ df -T Filesystem Type ...
3
votes
1answer
131 views

More than 10k connections on linux vps

My question what is causing this and how to check? we use url masking script is the website..is it causing this?please help We could noticed that you are abusing our network, as you have made more ...
1
vote
1answer
289 views

Route one ftp user to another ftp server

I have an FTP server configured on a Debian machine: one user need to access another FTP server that is behind that machine and we have only one public IP address. The solution that comes to my mind ...
1
vote
2answers
100 views

How can I get a server's IP address in Ubuntu Linux?

I want to setup a Linux server. How can I get the IP address for the Linux machine, so that I can use this IP to load the page on another machine?
0
votes
3answers
1k views

Error on rebuilding Linux raid-1

I have a linux box which acts as a home NAS with 2 x 1 TB hdds in linux raid-1. Recently one of two drives failed, so I bought a new one (1TB WD Blue) and put it on. Rebuilding starts and stops at ...
0
votes
1answer
85 views

Disabled SELinux then rebooted, but reboot seems to have hanged?

I disabled SELinux by editing /etc/selinux/config to include the line SELINUX=disabled This change requires rebooting to activate, so I did that. I'm now sitting in front of a black screen with ...
1
vote
2answers
5k views

Remove Linux GRUB and keep Windows boot loader

My operating system was Windows 7, and recently, I installed Zorin OS (linux based on Ubuntu). At first, when I turned on my laptop Windows started automatically. I used a program to make the Windows ...
0
votes
1answer
100 views

Major ghosting in dual screen

So I have the following setup: Arch Linux with Compiz as stand-alone window manager. Whenever I use the dual screen setup and drag windows into the VGA outputted screen I get major ghosting. Last I ...
0
votes
1answer
155 views

Created image of single partition from Imac harddrive using dd - how to mount?

Alright, you'll have to forgive that I don't have an abundance of knowledge with using these tools. I've tried to follow the tips provided in this thread: How to mount a HFS partition in Ubuntu as ...
2
votes
1answer
304 views

DIY rack mounted server running Linux, where to start? [closed]

I want a "high performance" server where I can run perhaps MySQL and also different types of batch jobs. I want high performance CPUs (lots of cache, etc.) and as much RAM as possible (e.g., 64 GB) ...
1
vote
2answers
589 views

How to find files and directories that are taking too much space in Linux? [duplicate]

In Windows I could easily do this by navigating the directory tree and looking at the sizes. But in Linux, you need to run a command and, what's worse, it takes a lot of time: $ du -sh /some/dir ...
0
votes
2answers
106 views

Formatted linux partition from windows

My machine is partitioned into windows and linux, I accidentally did a 'quick format' from windows of my linux partition. When I boot into linux I have access to 'grub rescue'. Does anyone have ...
0
votes
1answer
5k views

Video from vhs via USB capture device on Linux

I want to transfer video from a VHS tape to my computer with Arch Linux, using a USB capture device that comes with Roxio Easy VHS to DVD, which I recently bought. I tried to plug in the device, and ...
1
vote
1answer
795 views

chmod: I own the folders, but I can only delete the folder, not the files inside it

Hello I new to linux and i have searched about 10 hours for a answer without success. I have created a folder called "Datatank" and chmod 777 Datatank All files and folder inside Datatank can I ...
22
votes
4answers
31k views

How do I convert a DjVu document to PDF in Linux using only command line tools?

I've got some documents in DjVu which I'll like convert to PDF. Is there a way to do this using command line OSS tools?
3
votes
9answers
39k 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?
0
votes
2answers
635 views

Accidentally deleted contents of /usr/local [duplicate]

I accidentally issued 'sudo rm -rfd *' in the /usr/local directory. What would I have to do to at least get it back to how it would be from a fresh install (Linux Mint 15)?
0
votes
1answer
247 views

First connection to debian server slow

I have a running Debian web server with ispconfig. The problem is that whenever I make a first connection it takes about 1-2 seconds to connect, after this 1st connection everything runs smoothly. I ...
2
votes
1answer
279 views

How to boot runlevel 3 as non-root user?

I'm using Arch Linux. I can boot to runlevel 3, but any other level than default (7) results in a prompt asking for my root password. (Including runlevel 3.) The normal login screen for linux is ...
4
votes
1answer
6k views

How to start Firefox maximized or fullscreen without any additional extensions?

How can I start Firefox maximized or fullscreen without any additional extensions? If I open it, maximize and then close it, it still does not open maximised. The OS is linux - Ubuntu 11.10 32 bit
9
votes
1answer
15k views

How can I change Inkscape's default export background color from yellow to white?

I am using export in 'Inkscape' to convert an SVG file to PNG. As I am using a transparent background, the colour of background is automatically set to yellow. I want to change this default colour to ...