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
297 views

Need to understand the concept of xargs and pipes

I have been struggling with this issue for a while now and would really appreciate it if someone could clarify it for me . Suppose I am trying to pipe the two commands together. readlink and cat ...
0
votes
1answer
43 views

Are many sshd/root processes listed by ps, brute force SSH hack attempt?

When doing a ps -efH I see lots of the following, where 14:24 is basically the current system time. These processes keep popping up every minute. root 6851 1 0 14:24 ? 00:00:00 ...
0
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0answers
30 views

how to update a directory that is a mirror of another one (with hard-links)?

I like using cp -rl dir1 dir2 to make a recursive copy of dir1 into dir2 (using hard links to save storage, and usually followed by rsync to make progressive backups). The issue is that, if dir2 ...
0
votes
0answers
28 views

Can I/How do I force micro-SD card to r/w mount?

I have a SanDisk 64GB microSD card that I've been using in my phone. It recently started refusing to let me save things to it on the phone and I am currently trying to figure out if it's possible to ...
0
votes
0answers
12 views

XEN boot error on Ubuntu Server 12.04

I am trying to boot to xen-hypervisor-4.1-amd64 package following the guide from official Ubuntu website, But whenever i reboot and try to boot into XEN (holding shift on grub and choosing xen ) i get ...
-2
votes
1answer
36 views

How to download any video using Linux Mint? [on hold]

Does anybody know how to download videos in Linux? I don't mean using programs, although if there are any I'd love to know about them. There is a you-tube downloader available in my package manager ...
1
vote
1answer
30 views

How to mount a device without a password

I am using the following command in a script to mount a device. However whenever I run it, it prompts for a password. sudo mount -t cifs //xxx/lon-hsv/BT/APPOPS/Qlikview /mnt/appops -o ...
0
votes
1answer
94 views

qtcreator can't find qt

I'm running linux mint 17.1 cinnamon 64bit and installed qtcreator from repo, The problem is I don't find any qt version in Tools->options->qt versions. I tried downloading qt from here ...
1
vote
0answers
16 views

Understanding metadata usage behavior in a newly converted btrfs filesystem

I have a 5 TB hard drive with 3.3 TiB (as reported by du) of media files in 119k files and directories; the average file size was about 28 MiB. I converted the ext4 partition into btrfs with ...
-1
votes
1answer
43 views

passwordless ssh works for root but not for other users

I did the following for both root and orainst users, I have added id_rsa.pub of first machine to the authorized_keys of the second machine I have 700 permission on .ssh folder passwordless ssh ...
0
votes
1answer
25 views

ownCloud and NFS (ownCloud and RuneAudio)

I have two home servers running, one with ownCloud, and one with RuneAudio. The idea is for RuneAudio to be able to access the music stored on ownCloud. Since RuneAudio can connect to drives via ...
0
votes
1answer
12 views

how to adjust monitor brigthness and contrast using linux?

using latest gnome and a monitor with DVI connector, i can't adjust the brigthess and contrast. my monitor says it is getting a digital signal, and so those settings must be controlled by the source. ...
0
votes
0answers
27 views

CentOS 6.5 fail on install

I've tried to install centos on my pc and the installer throw the following error: Formatting Failed An error was encountered while formatting device /dev/sda1 Details: invalid device especification ...
0
votes
0answers
11 views

Issues with SELinux and PAM logging in

I had a recent issue where users weren't able to log in our Linux server. In the logs I found: login: FAILED LOGIN 1 FROM tty1 FOR REDACTED, Authentication failure login: pam_succeed_if(login:auth): ...
0
votes
0answers
9 views

Linuxbrew $PATH error

I get the this warning when trying to run the brew doctor command. $ brew doctor Warning: "config" scripts exist outside your system or Homebrew directories. ./configure scripts often look for ...
0
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0answers
15 views

Set up audio in XFCE Ubuntu Chroot

I have a chroot of Ubuntu running on an Android device, XFCE is running and everything is working well, apart from audio which I can not seem to get to work. I have added myself to the audio group ...
0
votes
0answers
26 views

clonezilla image home directory /home/partimag is not a mounting point to a samba server?

theI just got clonezilla to try it out and I keep having problems with this specific area. To be aware, I am doing this off of virtualbox and saving the image to be samba physical server, and all of ...
0
votes
1answer
18 views

Adding ssh public key from os x to ubuntu doesn't work

I've just switched my server to ubuntu and everything works except the ssh server. I've installed the sshd server and I generated on my mac ( client ) a key like this: ssh-keygen -t rsa -C ...
0
votes
0answers
16 views

Nginx/Owncloud not accessable from outside my local network

I've got a Raspberry Pi with Nginx and Owncloud installed. I forwarded ports 80 and 443 in my router. When I type my DDNS adress on my Pi, it opens my Owncloud page without any problems, but from ...
0
votes
0answers
51 views

Increase screen resolution in VirtualBox guest without VirtualBox guest additions?

Without VirtualBox guest additions installed, the only screen resolution is 640x480: $ xrandr xrandr: Failed to get size of gamma for output default Screen 0: minimum 640 x 480, current 640 x 480, ...
1
vote
1answer
33 views

How to monitor bandwidth usage per process [closed]

I recently installed vnstat on my DigitalOcean Droplet (Ubuntu). After about a month I decided to check out the log and to my surprise saw "huge" amounts of bandwidth going in and out of the server. ...
0
votes
1answer
25 views

Formating a Samsung Laptop

I have a Samsung Laptop with Windows 7 OS system installed on it. Now the system don't start. It sticks on the loading screen. So I decided to format my laptop. When I insert Win7 format disk to ...
0
votes
1answer
23 views

Duplicate a remote session in terminal in Linux (Ubuntu)

How do I duplicate a remote session in the Linux (Ubuntu) terminal? For example, if I have an SSH session open, how can I duplicate this session in the terminal?
0
votes
1answer
24 views

Does using zfs with (mirrored) usb drives have any drawbacks except speed?

I'm interested in using zfs with usb drives for storage on a linux desktop machine. I already have a lot of large external drives so this will be cheaper than buying new internal drives. I might have ...
2
votes
0answers
32 views

Allow unprivileged user access to specific privileged files

I have a system running hardened Gentoo and I have installed Xorg, Fluxbox, and Conky together to create a minimal window manager desktop. Within this system I have 2 main users, root and my normal ...
0
votes
0answers
19 views

OPENCV 3 not being installed on ubuntu 14.04 parallella board with error?

Every time I try to install Opencv 3 on ubuntu 14.04 with my parallella board I get this error libgtk2.0-dev : Depends: libpango1.0-dev (>= 1.20) but it is not going to be installed Depends: ...
0
votes
0answers
11 views

Wget which stops when it has a download limit

I have over 200 wget in screens on my server. I set a download limit in each low wget: --limit-rate=1K. The only problem is that after one hundred seconds, he considers as a finished one, so this ...
0
votes
1answer
50 views

CentOS installation error - No more mirrors to try

I have currently gotten my parts for my new home-build server, but I've come into an error installing CentOS 6.6 (minimal 64bit). I am installing 6.6 instead of 7, due to OpenVZ not supporting CentOS ...
2
votes
1answer
52 views

Can't ssh into remote server unless I login locally on the server first

I've set up ubuntu server on an old desktop and was able to log in with password no problem. I then set up ssh keys and disallowed logging in with passwords. I now have this weird issue where I get a ...
0
votes
0answers
12 views

“Open File” dialog box takes a long time to appear on all applications

On Ubuntu 14.04. While using KeepassX, I tried to open a database with the Ctrl+O shortcut, but it appeared to crash with a non-responsive window. I then noticed the same behavior with Firefox, ...
0
votes
1answer
17 views

How do I sync an RSA fingerprint between two operating systems on the same computer?

My computer is set up to dualboot with Mac OS X and Linux. I have SSH access set up so that I can access it remotely on both OSes. The problem is that whenever I switch from OS X to Linux or vice ...
0
votes
0answers
16 views

wifislax unable to run commands and monitor mode

Please tell that how to enable monitor mode in the wifislax4.10.1 as the following is coming when applying to make monitor mode.
1
vote
1answer
8 views

Waiting for other pc to come up before mounting samba share

I am mounting a samba share via /etc/fstab. My problem is, if they are shutdown and I start them the machine who mounts the share is up first, and therefore the share is not yet available. Is there a ...
0
votes
0answers
33 views

How to manually boot with grub or: how to boot a 32bit Linux OS on a 32bit only UEFI firmware computer?

I want to install a 32bit Linux (e.g. Ubuntu) on my Intel Atom Bay Trail tablet, but I fail to get it to boot. The device's firmware only supports 32bit bootloaders. There are guides that somewhat ...
2
votes
1answer
118 views

Uninstalling Hyper-V on a dual-booted machine?

I am on Windows 8.1 (dual booting with Crunchbang) and would like to remove Hyper-V. I have tried unticking Hyper-V under "Turning Windows Feature on/off" as well as typing in the command below with ...
0
votes
0answers
25 views

Damaged partition table in dual boot system

Since this morning grub fails to boot to any of my two operating systems (Windows 7, Xubuntu 14.04) and gives me a grub_rescue prompt. I first tried to boot into Xubuntu but I could not ls in any of ...
0
votes
3answers
32 views

How to see a list of available filesystems that I can use for the mkfs command?

Simply I would like to create some FAT filesystem. I would like to know what kind of FAT filesystems are available and what are their names. How can I do this from the command line?
1
vote
1answer
38 views

Use computer name instead of ip address in heterogeneous environment

I have got a few machines all connected to a ISP supplied router; a Netgear CGD24G. I added a 1Gb switch because I have too many computers. Otherwise, machines connect to the home network either via ...
0
votes
0answers
19 views

Correct domain name for a home desktop linux machine

I have several machines running Debian, and during install, I left the domain name field blank. This hasn't affected anything so far, but I'm curious what the correct thing to set that field to is if ...
0
votes
0answers
25 views

Samba Network Path not found

I am trying to set up a Samba-Connection between my linux server and my home computer. However, when I try to add the Samba share as a network drive using net use k: \\ip.ip.ip.ip\shared password ...
0
votes
1answer
34 views

Resolved: Enumerating every other array element in loop

I have a dynamic array with key-pair values and I’d like to enumerate every other value. In this case, just the names in the array. Since I’m not using bash v4, I have been able to use seq to step ...
0
votes
0answers
8 views

readf error when trying to use Synergy

As of a few hours ago, I have had an issue getting my Linux synergy server to connect to my Mac client. Both are running the newest version of Synergy and I have ensured that the passwords for ...
0
votes
1answer
28 views

Debian Unwanted Login Screen

I have just installed Debian from CD 1, deselecting everything at the tasksel stage, even standard system utilities. I have installed bspwm and “bar ain’t recursive”, as well as sxhkd. However, ...
-1
votes
1answer
320 views

Intel Wireless WiFi driver for Linux on Dell Inspiron 17 (7746, Early 2015) CentOS 7 Laptop

So I recently got a new laptop from work, and I'm unable to get the wireless drivers to work in CentOS 7. ########## wireless info START ########## Report from: 13 Mar 2015 13:47 EDT -0400 Booted ...
0
votes
1answer
61 views

Test USB 3.0 Device Speed

I've looked up hdparm, but all examples are for testing disks. Not sure if it can be used to test external usb devices (specifically usb flash stick). I'm using the following code right now: dd ...
1
vote
0answers
28 views

Ubuntu hangs at startup due to zfs

I installed zfs-on-linux to my virtual Ubuntu LTS server years ago via PPA. The system resides on a VMware Workstation 10 in Windows 8.1. The working ZFS/SPL versions installed are 0.6.3. It has ...
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votes
0answers
12 views

ISPConfig3: No PHP MySQL function available

This message is given when I configure ISPC3 with php -q install.php The ISPC3 output: ISPConfig3: No PHP MySQL function available. Please ensure the module is loaded. I've tried to install the ...
0
votes
0answers
24 views

Windows 7 stopped booting after I installed linux mint

I have recently installed Linux mint 17 on my friends computer. After reboot, Windows 7(loader) was not shown in grub. I tried to run boot-repair. Here is log: http://paste2.org/wDN81wn7 . After ...
0
votes
1answer
118 views

Debian: Eclipse 3.8.1 doesn't know anything anymore about Java

I work on a Debian testing, with an Eclipse installed from the repositories (current version: 3.8.1). Since my latest apt-get upgrade, Eclipse "doesn't understand Java" anymore: no Java perspectives, ...
0
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0answers
27 views

Set sdcard “temporary write protect” bit on Linux

I want to set the TMP_WRITE_PROTECT (temporary write protection) bit on my sdcard /dev/mmcblk0. I think this can be done by rewriting the CSD (card specific data) at /sys/block/mmcblk0/device/csd, but ...