Questions specifically about Linux but not specific to a particular distribution. If the question could apply to any Unix-like system, specify your Linux distribution in the body of your question but do not use the /linux tag.

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3
votes
0answers
23 views

How to shrink root filesystem without booting a livecd

I find myself needing to rearrange a system's partitions to move data previously under the root filesystem into dedicated mount points. The volumes are all in LVM, so this is relatively easy: create ...
0
votes
0answers
15 views

isolinux.bin is missing

I want to build a debian live CD and live USB image. It seems as if I need the following file: isolinux.bin I use following tutorial: ...
3
votes
0answers
28 views

Where in GRUB2 source code is the handover/jump to kernel code?

I'm looking for the line of code where GRUB2 finally jumps to kernel code and thus hands over execution? I guess it's in an assembler file since this is very low architecture stuff. I looked at the ...
3
votes
0answers
22 views

How to obtain mouse events from the kernel when X is active?

When switching to a virtual terminal on my system, The kernel successfully delivers mouse events to a generic input event interface -/dev/input/event6 in my case- as well as legacy interfaces mouse1 ...
0
votes
2answers
44 views

Where is the latest source code of man command for linux?

I'm looking for the latest source code of man command, the version in my Linux is pretty old(v1.6f), but I failed after googling a while. I mean the latest source code of man, not man-pages but the ...
-1
votes
0answers
14 views

Can't locate Vim folder anywhere on linux mint system

I'll try to keep this short. I've been trying to install YouCompleteMe and have had a bunch of trouble, so consequently I have installed and uninstalled vim a few times. Now my problem originated ...
1
vote
1answer
17 views

How to install drivers for integrated intel graphics?

I am building a minimal Debian system. I installed Debian Wheezy with the netinstall iso, and selected to install only basic system utilities, no desktop environment. The computer that is running this ...
-1
votes
0answers
37 views

How can I make a Linux system output a bell sound when no packet is received before the next packet is transmitted with the ping command?

This is easy enough on OS X. I just use ping -A example.com and it works just fine. (Note the capital "A".) But it doesn't work like that on Linux. On Linux, the manual page reads as follows: ...
1
vote
1answer
16 views

Does Linux use GPT flags?

As seen below in output of parted, Windows 8/8.1 seems to use flags in GUID partition entries: I guess that for example partition with hidden flag is not shown in Windows Explorer. However, does ...
0
votes
0answers
11 views

Linux macvlan add MAC to VLAN

Is there any way Linux behave as a switch Layer 2? I have the idea of making the MAC will automatically be ditched a client to a particular VLAN. Likewise the switches are working. Examples. ...
-1
votes
0answers
56 views

How to read/interpret a hexdump file?

I have a file which has an extention of .tax2014, it's a turbo tax file. When I go to open it in a text editor like sublime text I see a hexideciaml dump of data. Example: 9540 4525 6051 095c 5402 ...
0
votes
0answers
7 views

Color profile change seems to have no effect

I'm using a machine with both, Windows (10) and Linux Mint + Unity installed. Colors on Linux look quite strange and poorly calibrated, but everything looks fine on Windows. I was assuming that my ...
0
votes
0answers
24 views

Disable VGA port via GRUB in Linux

I want to disable VGA port of my hardware by making changes in the GRUB. How can I do this? I am using Red Hat.
0
votes
1answer
21 views

logrotate not compressing files as expected

With the logrotate config. below I was expecting the program to start compressing log files after creating the first backup file. Instead I am seeing this: [root@host ~]# ll /var/log total 1.2M ...
0
votes
0answers
9 views

Network Booting : How to boot an RHEL or Linux Machine through network [on hold]

I want to know how to boot a Linux driver through network, what are the pre-requisites needed for me to use network booting. I have the Mac address of Machine.
0
votes
0answers
10 views

Linux 4.1.6 Radeon UVD Not Responding

I've seen the same problem before version 3.19, could not remember since when, but it seems to disappear on version 3.19. But when I compile version 4.1.6 using 3.19 config, the problem came back. ...
1
vote
1answer
33 views

Checking how long a user has been logged in

Is it possible to check for how long a user has been logged in? Or when the user logged in on an Unix/Linux system? I logged in as another user on my system a while ago and I would like to now how ...
0
votes
0answers
17 views

Strange Copy/Paste issue into Virtual Box

When I copy a command from Evernote on the Mac host into the CentOS (also tried Fedora and openSUSE) VM the command will not work. If I type in the same exact thing manually it will work. This ...
0
votes
0answers
25 views

Parent mount becomes inaccessible after mounting child into subdir?

Im installing arch. Upon installation, after partitioning my drives, right when I go to chroot to begin the fun stuff, I get an error mount:mount point mnt/etc/resolv.conf does not exist chroot: ...
-1
votes
0answers
13 views

Kali => ssh_exchange_identification: Connection closed by remote host [on hold]

I'm using Kali Linux to connect to a server remotely using SSH, it used to work out, but suddenly I got the message: ssh_exchange_identification: Connection closed by remote host Even though I've ...
1
vote
1answer
20 views

Use existing encrypted directory as home directory

In the past, I installed Ubuntu 12.04 with /dev/sda4 mounted as /home. I encrypted my home directory. Today, I erased all the partitions except /dev/sda4 and I installed Xubuntu 14.04 on a new ...
-3
votes
0answers
24 views

No such file or directory [on hold]

I have a problem when set up IDE Netbeans (Desktop) in Linux(Ubuntu) from Terminal this message is appear please help me to solve it thanks
0
votes
0answers
10 views

ERSPAN encapsulation

Is there a way to ENCAPSULATE traffic into an ERSPAN tunnel without using a cisco device? What if I wanted to source ERSPAN traffic from a Linux host instead of a switch?
1
vote
1answer
61 views

How to know which programs support streaming I/O

As I understand it, programs that support streaming I/O can work with files more than the size of the memory. Is this correct? Is there a way to know which programs support streaming I/O?
0
votes
1answer
22 views

Keyboard glitch Ubuntu 15.04

Have been cleaning my laptop keyboard and now on a single button press multiple symbols are inputed. For example r => 65RGFVT + turns on CapsLock o => 9ol.p ... Has anyone else experienced ...
0
votes
0answers
7 views

Installing foreman 1.9 configuration help

I can't seem to find the answer that I am looking for so any help here would be hugely appreciated. I am doing a POC with foreman 1.9 on a CentOS7 server. Our infrastructure as it stands right now as ...
-1
votes
1answer
18 views

How do i unlock my Thinkpad, when it says “windows resume loader”, but it won't let me touch any keys (no keys work) [on hold]

My Thinkpad is locked; it won't seem to let me do anything; nothing works; it just says “windows resume loader”, It gives me two choices, and the ENTER button doesn't work to choose anything.
1
vote
1answer
22 views

fstrim “the discard operation is not supported” with ext4 on LVM

Attempting to run fstrim on my root partition (which is ext4 on a LVM logical volume, single physical volume—an SSD supporting TRIM) produces an error: fstrim -v / fstrim: /: the discard operation is ...
-1
votes
0answers
37 views

Oh no! something has gone wrong… In Kali Linux on VB [on hold]

I’ve tried get-updates and the get-install x-windows-system but neither work and it says unable to locate package. I’ve watched a few videos but they are all the same and all there problems are ...
1
vote
2answers
38 views

How to get disk name that contain specific partition

If I know that partition is for example /dev/sda1 how can I get disk name (/dev/sda in this case) that contains the partition ? The output should be only path to disk (like /dev/sda). It shouldn't be ...
-4
votes
1answer
31 views

Linux debian based new distro development [on hold]

I try to make debian based distro but confused because the size of debian is already 12 gb then how can i make it small ( i.e lesss than 2 gb ). If possible plz tell me steps what further i should ...
1
vote
0answers
9 views

Using USB intermet through android phone rename dev name

I had a issue every time I connect my phone and enable Internet USB, the assosiated interfaces name changes like enx$(random mac). There's a way to set the name like ppp0 vía udev? I tried vía vendor ...
3
votes
1answer
34 views

How to log out as root user in command prompt after creating non-root user

obviously I am extremely new to Linux, but I'm glad to finally be here...trying to kick windows is tough in some cases ;-) Anyway, I'm trying to follow the following tutorial @ ...
0
votes
0answers
8 views

citrix - icaclient - no valid ICAROOT directory found

I have icaclient 13.2 installed on funtoo and when launching selfservice, I immediately get an error: No valid ICAROOT directory found When I enter my gateway in, the error comes up again and I ...
1
vote
0answers
5 views

Encrypted boot drops to shell, how to set LVM crypttab consistently? 'ALERT! {logical volume path} does not exist'

I used Luks to encrypt my whole hard drive, and created that sda drive as a physical volume. Under that volume, I create a volume group vg00 with my 3 logical volumes lv00_root, lv01_home, and ...
1
vote
2answers
31 views

unable to change screen resolution of tty

I am using Fedora 21 in Oracle Virtual Box. I am using just tty (no GUI). I need to increase screen resolution, I tried following things but failed: xrandr but gives me error: cannot open display I ...
-1
votes
0answers
14 views

Debian Linux Shell has no colors and desktop files/folders gone GNOME

Hello I have installed some packages to fix sound mute, but instead, after restart I saw no icons on desktop except 'Computer'. I have opened shell and wanted to do apt-get update but saw that the ...
1
vote
0answers
15 views

Separation between the User machine and Server machine by another linux for monitoring

I am planning to have three virtual machines with virtual box (m1, m2,m3). I already installed on m1 = Windows XP Home Edition, and on m2 = LUbuntu 15. The big picture is this : m1 : a user m2 : ...
0
votes
1answer
14 views

Nautilus crash with segmentation fault when opening a folder

I'm running Debian 8.1, GNOME 3.14.1 with Nautilus 3.14.1-2. Nautilus has crashed for me in the past, today I tried to understand the problem. I work with a lot of geodata and my folder ...
3
votes
1answer
20 views

Shared library mappings in /proc/pid/maps

Why does /proc/pid/maps contain a few records for the same library ? Here is an example: 7fae7db9f000-7fae7dc8f000 r-xp 00000000 08:05 536861 ...
1
vote
1answer
49 views

Read “/proc” to know if a process has opened a port

I need to know if a process with a given PID as opened a port without using external commands. I must then use the /proc filesystem. I can read the /proc/$PID/net/tcp file for example and get ...
1
vote
3answers
50 views

Command line to go in directory passed by which command

I want use a command such as this : which node && cd $_ to jump in the directory when the binary file reside, but the which command return all the path + name of binary ,so i get an error ...
0
votes
0answers
13 views

CentOS 7 and Windows 2012 multiboot from SAN

We would like to create multiboot configuration for our workstations. Workstations are equipped with Qlogic BR-825 HBAs that work in BIOS mode (not EFI). SAN presents to HBAs three LUNs: LUN0 - boot ...
1
vote
1answer
25 views

How to find out what distros are using particular Linux version?

Given a distribution and its version, I can find which version of kernel it uses, e.g. for Ubuntu they are listed here, and for currently supported versions of Fedora they are here. In general, ...
2
votes
1answer
24 views

How does mkswap work? What is in the swap header it creates?

I am looking at mkswap and trying to understand how exactly it works. From what I understand, it sets up Swap space on a partition by creating a swap header. How large is this swap header? Is it one ...
0
votes
1answer
68 views

SOLVED No SSH while loged off locally

So, I'm trying to access my laptop while I'm outside my LAN, but I have a problem, at least I think that isn't the normal behavior. I can't access via SSH if my user isn't locally logged in. I'm not ...
0
votes
1answer
30 views

iptables and ssh

I'm running Arch Linux and I have a running SSH daemon to access my machine when I'm out side my LAN. I can do the connection, but iptables keeps blocking SSH Daemon, so I can only connect if I turn ...
1
vote
1answer
21 views

Is there a file search engine with a webserver?

I connected a huge USB HD to my linux server. I installed samba and the files can now be accessed over network. I can search for files over network but the samba search is slow. Do you know of any ...
0
votes
1answer
22 views

Chroot - copy or mount --bind

In every tutorial I found online about chrooting, there is part involving copying stuff into the chroot, executables, libraries and others. Why is that? Why not just mount --bind the stuff in? ...
0
votes
1answer
11 views

Mirror screen with 2 different resolution displays, -with borders on larger resolution screen?

Help. The TV I'm trying to use as a monitor has overscan issues, it overscans both 1080p and 720p resolutions. For my use, I'd rather have borders compared to a cut off screen. I'm trying to get ...