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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2 bootloaders to load same OSes?

The question is somewhat involved, but bear with me for a minute, it's not actually that complicated. So, I have two hard discs, I suspect one of them to fail some times, but before I completely ...
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2answers
5k views

How do I find out which process is causing high CPU usage?

I have a strange issue happening on my Solaris virtual machine: After it is booted and up for 1-2 hours, the CPU usage will go up to 100% for 5 seconds, then down to normal for another 5 seconds, and ...
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1answer
608 views

How to make VirtualBox headless answer on rdp port?

I'd like to run windows xp on RDP: $ VBoxManage modifyvm winxp32 --vrdeport 3389 $ VBoxHeadless -s winxp32 -v on Oracle VM VirtualBox Headless Interface 4.1.18_Debian (C) 2008-2012 Oracle Corporation ...
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1answer
101 views

How to import “manually” configurations from another hard drive?

I have another hard drive with Ubuntu upgrading that crashed (upgrading from 10.04 to 12.04 was an unrecoverable mistake). I've bought another hard drive, re-installed Ubuntu 10.04 (because don't ask ...
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1answer
1k views

Python error In linux

I removed the default python install from my linux using rpm command without removing the dependencies, I was trying to install 2.7 manually, which wasn't working out that is whay I thouht may be it ...
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1answer
1k views

Linux permissions: How to make permissions changes permanent

I'm using Ubuntu 12.04 and I have /sys/kernel/debug/ with no read/execute permissions for anyone except root. I can change that with sudo chmod +rx /sys/kernel/debug/ but the permissions are reset ...
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2answers
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Debian installation and RAID5

I just bought a HP Microserver for use it as dns, http, vpn, file storage and also for backups of other computers at home. I already have 2 1Tb HDD's, so I thought to buy another 2 HDD's and install ...
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2answers
7k views

How to know what version of C++ compiler is installed on Linux server?

We have a RHEL5.5 server, and the system engineering guys at my company said that they have recently installed Intel C++ 11.1 compiler on the box. But, when I do a cc -v, I get Using built-in ...
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0answers
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tar --remove-files behavior: delete after every file or after completion?

Pretty much in the title. I have a box with very little disk space left and lots of data. I want to add all of the files into a tar, deleting them as I go because there is clearly not enough space to ...
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3answers
739 views

How do I reduce a PDF's size and preserve the bookmarks?

I have a ~259 MB PDF. I did pdf2ps and ps2pdf. The final size was 45 MB. I don't see any visible difference in quality in any reader. Although, the bookmarks were lost. I tried using pdftk, but it ...
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4answers
2k views

Does tar preserve links? [duplicate]

Possible Duplicate: How can I tar ball a directory hierarchy with soft links in linux I am using tar to copy files and directories from a Solaris machine to a Linux machine. Does Tar ...
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2answers
289 views

What is the use of option -u in the Linux cat command?

In the man page of cat, -u means (ignored) [raj@localhost zzz]$ cat file1 hello world 1 2 3 4 5 6 7 8 9 0 ! @ # $ % ^ & * ( ) _ + ~ ` ; ' , .{ } [ ] = | \ / - [raj@localhost zzz]$ cat -u ...
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1answer
270 views

enable password check for single-user mode

I've been trying to find out how to activate that I'm prompted for a password when i boot in single user mode under linux, but I can't find it. Where can I set this option?
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1answer
2k views

e1000 and e1000e network drivers

I am using SUSE Linux 11, in Zenworks distro and i can see. kernel version is: 3.0.13-0.27-default. I can see that when the distro is loaded, the e1000 driver is loaded and not e1000e although e1000e ...
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2answers
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Filezilla not showing directory listing?

I had downloaded iptables from server to my windows desktop .I edited some lines for opening port (2195) .after download i added some line for enabling port using this link ...
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1answer
894 views

Compiz effects in XFCE

I just installed Ubuntu 12.04 as well as xubuntu-desktop. When I'm logged in using unity, my compiz effects work fine, but under xfce they don't seem to work. I've installed compiz config settings ...
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1answer
104 views

Strange router's firewall behavior on Linux

I have router, static ip and when I start Minecraft server on Windows, anyone can connect to it, but when I start server on Linux, only players from my local network can connect. And other players can ...
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1answer
3k views

mdadm: superblock on /dev/sdd1 doesn't match others - assembly aborted

OS: Debian Squeeze Kernel: 2.6.32-5-amd64 mdadm version: 3.1.4 (31 August 2010) mdarrays md1 = raid1 (this is working) (devices: /dev/sd[fg]1) md0 = raid6 (previously raid5, ...
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2answers
1k views

Can I configure BIND to query my router for LAN addresses?

As is common with home routers, my router, an ASUS RT-N66U, is configured to act as a caching nameserver for my LAN. It looks like the router uses dnsmasq for name service. The router also offers DHCP ...
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1answer
121 views

Virtualbox alert on screen changes

I'm using Debian GNU/Linux + awesome. Inside it I use virtualbox with ms windows. Most time I spend in Linux, however I constantly need to monitor if something new happens in the guest system. Is ...
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1answer
7k views

How to install numpy on CentOS 6.2 64-bit

I've been trying to install numpy with yum (instructions here), and the tar.gz file (instructions here), but with no positive result. yum gives me this output: $ sudo yum install python-numpy ...
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1answer
323 views

Are there any security problems within my CentOS system? [closed]

I have tried to use Nmap to test the ports of my server:) The details are as follows. Are there some vulnerable ports on my server? If yes, why is it vulnerable, and what should I do in order to ...
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3answers
3k views

How to find the default file manager?

as a Linux user, I see that some applications can request a path to be opened and this causes a file manager to be launched. I'd like to do this programmatically, but how can I know which is the ...
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2answers
2k views

Installing Linux with no Graphics Chip

I am looking to build a compute workstation. I want to install the newest version of Scientific Linux. The issue is that the currently planned hardware does not include graphics (external or ...
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1answer
3k views

How can I run script when I start up my Linux machine?

I would like to run the python script, when I startup the Linux machine. How can I do so? I don't need the user to login the OS to start the script. (The user is password protected.)
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1answer
484 views

Avoid unwanted path in Zip file in makefile

I want to create an archive for a given folder but without the folders name in the path... In fact I want to do the same thing that this post : Avoid unwanted path in Zip file BUT I'm in a makefile ...
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4answers
2k views

How to track computer's uptime

I have Linux desktop. I don't leave it 24/7 turned on. I would like to gather statistics on how much time computer was turned on each day, f.e.: 2012-08-21: 7:52 2012-08-22: 8:43 2012-08-23: 7:36 ...
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1answer
607 views

Is there an analog of Bash's Ctrl+Z & fg in Powershell?

I find the combination of Ctrl+Z with subsequent fg on Bash very handy, it's like a command line analog of alt+tab, so I can switch from viewing one file to the output of a running process etc. Is ...
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1answer
150 views

in which kernel version CONFIG_IP_NF_MATCH_OWNER appears?

In which kernel version CONFIG_IP_NF_MATCH_OWNER key appears? I dont see it while make mennuconfig on 3.2.28 that I am trying to compile for my ubuntu 12.04 (3.2.0 - default kernel version).
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2answers
124 views

Linux machine to be converted to NAS [closed]

We have a (pretty old) Linux machine running crunchbang linux (64 bit). The machine was used for some time just as a storage space, files were managed mainly via SCP and SSH. But due to the increased ...
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4answers
539 views

Syntax highlighting in vi

I use vi in Linux to edit e.g. JSP files. The code is not syntax highlighted. I think this should be possible to enable, but I haven't found out how. Is this possible to do in vi? update1: # vi ...
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1answer
352 views

Assign IP address in two networks and a wireless router

I have one Linux desktop with two NICs, a wireless router, and internet access. The Linux box's eth0 is set to connect to the internet. Its IP address is assigned by the ISP, via DHCP. Eth1 is ...
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3answers
4k views

Error Number 5: Input/Output Error while installing Linux

I have an emachines PC (model T5226) that I am attempting to install Linux on. I have tried multiple distros, namely Sabayon, Linux Mint, and SUSE, but at some point during the copying files phase of ...
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2answers
397 views

Running nginx as the current user

On my linux PC, I'd like to run nginx as whatever user I'm logged into when I start it, and I'd like it to look for config files in the home directory of that user. Is there a way to install nginx to ...
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0answers
118 views

Windows removes its own drive from bios, but appears in Linux

I'm having a strange problem. Some background: I have two sata drives in this computer. The first one has a boot partition and two NTFS partitions (one Windows 7, one storage). The second drive has ...
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0answers
237 views

Native linux bootable thumb drive with first partition as fat32

I've been trying to do this for quite a while and I feel like I have exhausted my options on it. I want to make a flash drive partitioned similarly to this: Number Start (sector) End (sector) ...
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0answers
303 views

I made a USB bootable of backtrack5 using unetbootin. but, no ui appears for installation

I made a USB bootable of backtrack5 using unetbootin. but, no ui appears for installation. first UI screen appears for selection for the type of install.In all types of installation selection after ...
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1answer
154 views

Linux Screen Kill Challenge

Here's a Challenge to all you boffins out there. Here's my issue: I've got a Linux machine running 2 Scripts. 1 Script runs commands that affect the second script. The second script runs programs in ...
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1answer
604 views

On Linux allow a file to be read/write but not deleted

Is there a way in Linux on a ext4 file system that I can make a file readable and writeable but not deletable? The directory that the file resides in still needs to be writeable by the owner of the ...
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1answer
116 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 ...
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1answer
478 views

Linux keyboard switch parentheses and square brackets

How do you switch the parenthesis and square bracket keys in Linux? Specifically Ubuntu x64 in a virtual box running under Windows 7, using an otherwise standard US keyboard layout - I already have ...
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3answers
764 views

count files in a list of directories

I have file with a list of directories that I would like to know how many files are in each directory. .../images/idsuffix/userids/ This will give me the count of files and directories for ...
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0answers
285 views

Linux Mint 13 (64) freeze with USB modem

I have an iBurst modem and a driver I installed from here: http://lelanthran.com/deranged/?p=132 I'm running Mint 13 (64 Bit) - so it's the 3.2 kernel version. After plugging in the USB modem - it ...
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3answers
206 views

What would happen if the temperature of my computer kept rising?

I've seen a lot of posts about how the maximum temperature of a CPU is somewhere around 100°C, and then the computer will shut down to prevent damage. But what would happen if all of the fans for a ...
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1answer
653 views

truecrypt hidden volume as main disk on linux

If you've read Cory Doctorow's Little Brother (a wonderful novel, by the way) you'll know that the main character sets up a Truecrypt-esque hidden volume on his phone. It opens to the login prompt, ...
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1answer
667 views

How to move my physical debian server to VirtualBox?

I'm looking for information how to transfer my physical server running debian into a VirtualBox machine running on my Win7 desktop. My gut feeling is to simply recreate the partition table of the ...
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2answers
192 views

Ubuntu 12.04 desktop

In Ubuntu 12.04 desktop version, after editing the network interface settings from GUI, where these settings are stored? I am not finding the same in /etc/network/interfaces file. Thank you, Namith
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2answers
4k views

HDD & SSD Linux: Hard resetting link

my current storage setup consists of two traditional HDD's and two SSD's in my Linux box, each two on their own RAID 1 array which is encrypted via luks. I have a story of sorts, rather than a ...
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1answer
377 views

ls -l shows file size 0 of files in /proc, but cat produces content

# cat /proc/version Linux version 2.6.18-308.8.2.el5.028stab101.1 (root@rhel5-build-x64) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-46)) #1 SMP Sun Jun 24 20:25:35 MSD 2012 # ls -l /proc/version ...
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1answer
139 views

Two hard drives with windows and linux, windows won't boot

I recently installed fedora 17 to one of the hard drives in my computer. Before hand, I had windows 7 on my other hdd in the same computer. Now, when I try to boot the windows 7 hard drive, I get the ...