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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How to change Windows permissions for Linux NAS?

I have just finished setting up my new NAS (Western Digital My Cloud EX2) and I'm having trouble with permissions, I can read and write from the internal drives fine, but I have an external usb HDD ...
9
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5answers
6k views

How to find out from which folder a process is running?

In *nix you can use ps to see which process are running. But if an executable has multiple homonimous files in a device, we can't figure where it was invoked from. This is slightly different from my ...
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29 views

Is there any Linux-only software that a budding programmer should be aware of? [on hold]

Soon, I will finish highschool, and move to a bigger city to attend college, so I will be buying a laptop PC to suit my needs. At first, I was looking for a laptop that would run Linux well ...
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0answers
10 views

Virtualbox Linux guest to inherit host user db and/or LDAP

Is there a way for a Linux guest to inherit the user db/definition of the host and/or the LDAP user of the host? By user db, I meant the users' names and group membership as visible on the host. ...
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4answers
3k views

How to use a Linux system as a land phone

I have a land line connection. I would like to receive and make calls using my computer. It is a basic land line connection which also provides broadband internet. I am not asking about VoIP. I ...
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4answers
30 views

Copy paste a multiline command into command line

I'm writing a doc about installation of my soft and I have to write things like Please do the following: sudo apt-get update sudo apt-get install python-dev cython portaudio19-dev The ...
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1answer
26 views

How can I remove all the customizations imposed by Linux Mint 17.1 on firefox?

I have found two solutions for the same: Downloading and installing .tar.bz2 package (firefox) from mozilla.org (Problem:Package provided is portable and is not installable). Installing firefox from ...
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3answers
28 views

Use dd to backup device over the network

I have a Raspberry Pi connected to the network along with a USB stick. Is it possible to use the dd command on my Raspberry Pi and automatically upload the iso to my Mac? What I mean is on my pi ...
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1answer
1k views

Enable USB smartcard inside VMware

I am running Windows 7 inside VMWare Player on a Linux host. I want to use a USB smart card reader but it is not working. The client app reports: "No Card Detected", but it appears to recognize that ...
27
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3answers
48k views

How do I create a 1GB random file in Linux?

I am using the bash shell and would like to pipe the out of the command openssl rand -base64 1000 to the command dd such as dd if={output of openssl} of="sample.txt bs=1G count=1`. I think I can use ...
5
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1answer
686 views

Is it possible to power off a PCIe video card/slot? (eg. hot-plug)

I'm looking at building a system that supports VT-d so I can pass through a high powered loud video card to a Xen/KVM/whatever VM (host will be Linux based). However, when I'm not using the VM I want ...
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16 views

Which configuration files affect the routing table of a Debian system

As far as I know basic network configuration goes into /etc/network/interfaces and the system generates the routing table from these information. I was also taught that in general ...
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1answer
2k views

Sound not working in VMware player

Guest operating system is Windows 7 and I have VMware player 6.0.1 installed. On it latest version of Mint Linux is run. The problem is Linux never gets sound. How do I fix this? The message "the ...
40
votes
10answers
34k views

Top causes of slow ssh logins

I'd love for one of you smart and helpful folks to post a list of common causes of delays during an ssh login. Specifically, there are 2 spots where I see a range from instantaneous to multi-second ...
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1answer
8 views

Where is the 'comix' linux program library database stored?

I know it's not on ~/.confix/comix/preferences.pickle since i checked that file and it has no paths or the definitions of the comic books names and paths i input to my current library. I want to know ...
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0answers
67 views

How to revert a LUKS encryption over encryptfs

I had an encrypted /home folder under Ubuntu. As far as I can tell, it was encrypted using encryptfs. It was using ~890 Gb of a 904 Gb partition. But then I tried Antergos, an Arch derivative, and ...
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0answers
20 views

Switch from linux user to administrator; how to setup and maintain identical installations

I recently installed Linux on my computer at university. I do have Linux on my laptop and in the near future on my workstation. Additionally some of my colleagues who are doing similar computations ...
14
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3answers
2k views

Command vs program?

I was looking up the difference between adduser and useradd, and an explanation is that useradd is a command while adduser is a perl script. I understand what a perl script is, but what I do not ...
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0answers
10 views

Python Path variable can't echo by non-root

I edited my sudoers file by getting root priviledge as sudo -i Then i edited my sudoers file by nano /etc/sudoers I added Defaults env_keep += "PYTHONPATH" to sudoers Then from root i echoed ...
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2answers
9 views

Checking for changes on Linux live OS's

I am a novice to the terminal of linux live OS's (eg Kali Linux). Please advise what 1) in built programs (e.g. Syslog...), 2) Commands in the Terminal (eg ls, ps, md5sum, ...) one can use for ...
97
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5answers
196k views

How to decompress a .bz2 file

I have a file as: filename.bz2, but I can't figure out how to decompress it. I tried several methods, none of them seems work. I have tried the command: tar xvjf filename.tar.bz2, but it didn't work ...
4
votes
1answer
2k views

'user is not in the sudoers file' but actually is

I have already read a lot of posts about enabling sudo-access for a specific user but those couldn't help me so far. The situation is: I'm running Debian Testing. On the system there are only two ...
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1answer
2k views

Invalid ACPI : Invalid PBLK length [5] during Debian boot

I installed Debian 5.03 Lenny successfully on my machine. I got this error during boot: ACPI : invalid PBLK length [5]. After that the Operating System boots properly and starts normally. What ...
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0answers
11 views

How to use Windows Libre office Macro In Linux environment

I have some macro which I have made in libre office by window 7 Now I want to run those macro in Linux system through some kind of command Now issue is that How can I save Macro in a single file..? ...
8
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2answers
2k views

btrfs: HUGE metadata allocated

I have a 256GB SSD disk on which I converted my ext4 root FS to btrfs. I erased the ext4 backup subvolume, enabled compression and defragmented recursively to enable it on all files. btrfs fi df / ...
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6 views

Built in GRE keep-alive in Linux?

Is there a built-in gre keep-alive mechanism in Linux (iproute2 or such)? How do I enable that feature in such a case?
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3answers
1k views

Why would an incorrect password attempt take a lot longer to process than a correct one?

The most prominent place I've noticed this is when SSH-ing at work, but I feel like I've observed this behaviour elsewhere too. When I try to log into Linux servers from my Windows desktop at work, ...
0
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1answer
16 views

Install Linux based Operating System on Old Computer With Slow DVD Drive

I currently have an old IBM ThinkPad, this laptop has 512mb ram and a Pentium III processor. I have decided to install Linux onto it, and the specific version of Linux I am going with is lxle, ...
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2answers
43 views

Authentication with ssh and scp works but not WinSCP

I have a Ubuntu server with 3 user accounts (root, user1, user2). user1 has access via WinSCP, scp and ssh. No problems here. Then I've created another user2 but with this user I can't access the ...
0
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1answer
27 views

Install grub raid1 & lvm

I have installed an Ubuntu Linux on a machine where there was a RHEL (from Dell) At the end of the installation I got a message that GRUB2 could not be installed. So I booted into a Live Linux (from ...
0
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0answers
20 views

External USB disks and logical sector size

I have a WD Green 3.0TB in an external USB enclosure. I wanted to replace the disk with a Green 6.0TB. The USB enclosure is usually connected to a device that only understands FAT32 and MBR, so ...
1
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1answer
13 views

Trouble negotiating rsync protocol versions

I am trying to rsync between a Linux box and a MacOS box. The MacOS (yosemite) seems to come with an old version of rsync so I've updated that using homebrew. OK, I seem to have perfectly matching ...
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12 views

DDRescue locks system up on disk clone

I have ddrescue running on the latest version of Fedora trying to clone a dying IDE disk. When I run ddrescue --no-split /dev/sdb imagefile logfile the copy will happen then the entire system will ...
4
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2answers
34 views

Why must I use sudo for ssh public key authentication to work?

I cannot ssh from my computer (OS X) to my raspberry pi (ubuntu mate), unless I use sudo. I am using a public/private keypair to authenticate. The appropriate public key is added to the ...
9
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5answers
25k 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 ...
1
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1answer
21 views

GUI terminated with return code 4

i am getting the below error . Could you please help me resolve this Invocation target exception: Can't connect to X11 window server using 'dummy0:1.0' as the value of the DISPLAY variable; you ...
0
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1answer
18 views

Using nonstandard formats with a USB floppy drive?

I was given a USB floppy drive, and it works beautifully. Linux Mint detects it as a Mitsumi FDD 061M, although the case and packaging are no-brand. (Counterfeit?) It realiably reads and writes 1.44MB ...
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2answers
36 views

SSH to access remote screen without X

I need to access a remote computer (which is attached to a screen), using SSH - the problem is that the programs I start via SSH need to be shown on the remote screen (tail, htop, slurm, ...) The ...
6
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2answers
7k views

Why doesn't my cron.d per minute job run?

I have thrown a bunch of darts trying to get a python script of mine to execute every minute. So I thought I'd simplify it to just do the "simplest thing that could could possibly work" once per ...
0
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1answer
14 views

Remove PostgreSQL database files

I've uninstalled PostgreSQL some time ago, but now I needed it again, and installed it. When running rcpostgresql I get the following: /usr/sbin/rcpostgresql Your database files were created by ...
3
votes
3answers
5k views

Ubuntu box keeps dropping wired network connection

good morning all. Odd one for you... I have an Ubuntu box, 11.04 x64, running on a Dual Opteron SFF box (iWill ZMaxDP... pretty old machine). Up until a few weeks ago, it was acting as a Windows ...
7
votes
4answers
182 views

Is there any in-built Linux command to display the contents of a directory in real-time?

Is there any in-built Linux command to display the contents of a directory in real-time?Similar to the "tail -f file_name" command which displays the contents of a file in real-time.
0
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0answers
18 views

Virtual Boxes, Linux hosts, Windows guests, Shared folders and Recycle bins

Basically what I am looking for is a way for sharing folders between my Debian Jessie host and Windows 7 guest without the fear that I accidentally delete files under Windows and have no (convenient) ...
20
votes
5answers
71k views

How to access a BitLocker-encrypted drive in Linux?

I have a laptop running Windows 7 Ultimate. I have encrypted my drives using BitLocker. Now I have also installed Lubuntu along with Windows. But my encrypted drives are not visible in Linux. How ...
3
votes
1answer
67 views

FTP with TLS doesn't work, nor can I change port in pure-ftpd

I have been having problems with my ftp server that I have tried fixing for over a week now. My configuration: I am running Raspbian on a Raspberry Pi. My ftp server is pure-ftpd, and I'm running ...
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2answers
26 views

How can I list the contents of an lrzip file without extracting from the Linux terminal?

How can I list the contents of a lrzip file created via lrztar without extracting it?
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3answers
24 views

How can I use the output of ls/grep as input for pdfunite

I want to use pdfunite to merge several pdf-files into one output file. Since the directory contains lots of different stuff, I thought i could use ls/grep to get the apropriate file-names and then ...
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0answers
6 views

Apache Spark Building Memory Issue for JVM Initialization

I am currently building Spark on my linux Red Hat 5 VM just for experiment. However, when running the mvn script or sbt script inside the spark 1.3 version source code (downloaded from the github), it ...
0
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2answers
16 views

Nuke thumbdrive and set GPT+Partition

After using my 16GB USB2.0 thumbdrive as an ESXi boot stick I am now unable to format it. Windows Explorer would just say: The drive could not be formatted (or something likewise) Diskpart is ...
0
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2answers
24 views

How to access a web interface on my NAS backup unit which is on our server's internal network

I hope anyone can help me with this The setup: We have a few hosting servers. There are webpages of our clients. We also have a backup unit with web-based control interface. The backup unit is not on ...