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.

learn more… | top users | synonyms

2
votes
0answers
129 views

rasperry pi / debian / directory mount issue

I have trouble regarding to external USB disk write operations I am using Rasperry Pi box with Debian Linux root@raspberrypi:~# umount /dev/sda1 root@raspberrypi:~# mkdir /media/extGrayUSB ...
2
votes
0answers
49 views

Sudo works as su

Ive observed kind of strange behaviour. I have openSuse and when Im in console and want to gain root access for executing one command, after typing sudo it like switches me as if Id type su. ...
2
votes
0answers
69 views

DNS tunneling through an SSH connection looses connectivity

In the article 'UDP traffic through SSH tunnel', it is described how to tunnel DNS trough a SSH tunnel: client# ssh -N -L 6667:localhost:6667 user@server server# mkfifo /tmp/fifo server# nc -k -l ...
2
votes
0answers
137 views

TERM=xterm-256color vs xterm+256color

I noticed debian ships with a terminfo xterm+256color while most other distros only have (and is the default in osx) xterm-256color looking at the info on both, i can see that xterm+256color is very ...
2
votes
0answers
623 views

tar: Cannot create symlink : File exists

I backup lots of gigebytes files in to myproject.tar.gz, and compress success without errors. Now, I want to decompress all to an folder "myprojects". adan@adan-Latitude-D630:~$ tar zxf ...
2
votes
0answers
39 views

using pam_mount in WLAN setting

I thought this should be a simple exercise here, but obviously I couldn't find a solution, yet. I use KDE on Ubuntu 12 LTS. I want to use libpam-mount to mount a nfs share to a directory within user's ...
2
votes
0answers
308 views

Stuck at GRUB prompt after booting, how can I restore normal booting?

My machine was dual-booting with Windows XP and Fedora, then I tried to install Arch. While installation power went off. After that, booting always results in the GRUB prompt. Even when I instruct my ...
2
votes
0answers
67 views

Preventing unused spare hdd from spinning up during suspend and shutdown

I recently replaced my sata hdd with an ssd, and keeping the hdd in as a spare. It's not used, not event mounted to filesystem. Yet, when suspending or shutting down the system, it quickly spins up, ...
2
votes
0answers
93 views

Archipel / Xen Orchestra

I'm hoping you can help me to get my head around this! We want to start using virtualisation. We intend to rent a large server in a datacentre and use this. I was excited to see that XenServer is ...
2
votes
0answers
105 views

How to add extra packages to Ubuntu install CD using kickstart

I used kickstart to automate Ubuntu12.04 alternate iso installation. I am able to automate the installation. Now I want to install some extra packages such as teamviewer during OS installation. But ...
2
votes
0answers
147 views

Mounting shared directory for chroot users

I ran in to an interesting issue with mounting that doesn't make any sense to me. Basically I have setup a chroot environment for SFTP users, they each have a chroot directory with a format of ...
2
votes
0answers
378 views

LSI SAS 2308 MPT2SAS Linux Read/Write performance

LSI SAS 2308-8e (6Gb/s per Lane) PCIe 3.0 card. Average Read/Write Raw performance for 4 SSDs is very low around 430 MB/s (Expected 2 GB/s).I am having Intel Core i3 with quad cores and 4 GB RAM. ...
2
votes
0answers
55 views

scp doesn't work when my .bashrc is echoing to console

Ok, so I have used linux for a long time but this is the weirdest thing I have encountered in a long time. Maybe I just don't do a lot of scp so probably missing something simple here. So in my ...
2
votes
0answers
98 views

Short hang on each new window and each closed window in Linux / Gnome Shell

Every time I open a new window on screen, the entire display freezes for 3 seconds. Every time a window is closed, the entire display freezes for 3 seconds. The first few windows after reboot are ...
2
votes
0answers
671 views

Multiple Linux distributions return “Fast TSC calibration failed” when running on Hyper-V

Client Hyper-V on Windows 8.1 Pro host with Intel Core i7-4800MQ processor. Several Linux distributions, including openSUSE and Kali Linux, return the following error message when booting up in a ...
2
votes
0answers
20 views

Best way to run service no matter the distro

I am working on an application and want to make the script start on boot, and for the users to be able to run things like service my-program restart What i am seeing is there seems to be different ...
2
votes
0answers
27 views

How to type special characters in Linux when Russian layout is active?

The way to type special unicode characters in Linux is to press Ctrl + Shift + u and then to type the character number. But this method doesn't work when Russian layout is active. So if I'm typing in ...
2
votes
0answers
98 views

btrfs does not show drive as missing

I am trying out btrfs and I noticed some funny behaviour: I have two drives in a raid 1 configuration. sudo btrfs fi show Label: none uuid: 52b9c6f6-ce5c-4727-861e-e2fd012e475f Total devices 2 ...
2
votes
0answers
1k views

USB disk not auto-mounting in Ubuntu 12.04

It used to, but suddenly now it doesn't. The device shows up in the following: dmesg | tail -1 [394191.758315] usb 2-1.3: new high-speed USB device number 9 using ehci_hcd ...which I know is the ...
2
votes
0answers
85 views

Change group or permissions when a file is moved to a shared directory on Linux

I've set up a Linux server accessible with ssh and Samba share. Every user has his own folder USER/ and a public folder USER_public/. Permissions on the USER_public/ are set up using setfacl in such ...
2
votes
0answers
76 views

Why does the “date -u” command show time 25 seconds ahead of “export TZ=UTC; date”?

I am running clockspeed-0.62 (DJB software) on Ubuntu 13.10 (Saucy Salamander). I have setup time zones so that /usr/share/zoneinfo is a link to /usr/share/right, and I have setup an up-to-date ...
2
votes
0answers
92 views

ffmpeg x11grab a single window

Is it possible with ffmpeg grab a window that is minimized or that not has the focus (there is another window over but ffmpeg records only the window which is below)? With a command like ffmpeg -f ...
2
votes
0answers
193 views

PC reboots after “Welcome to Grub” unless booted from BIOS

I have a Linux machine running on an ASUS P8H77-I. The boot drive is correctly set in the BIOS. If I let it boot normally, I see the Welcome to Grub line, then it reboots, and repeats forever. If I ...
2
votes
0answers
93 views

VirtualBox error with Ubuntu virtual machine

I am trying to work on a coding project and cannot open my Ubuntu virtual machine with Oracle VM VirtualBox. I took a snapshot yesterday at about 11, and it was working fine. Several times I closed ...
2
votes
0answers
2k views

CHECK_NRPE: Socket timeout after 10 seconds, when trying to read Windows Server 2008

When invoking the check_nrpe via terminal, like so: /usr/lib/nagios/plugins/check_nrpe -H winserver -c alias_cpu I get the error below: CHECK_NRPE: Socket timeout after 10 seconds. (Also ...
2
votes
0answers
58 views

Can I get urxvt to recognize xmodmap configuration?

i switch from an apple-style keyboard at home to a microsoft-style keyboard at work. the primary difference in these keyboards is that the super key and the alt key are transposed. i've used xmodmap ...
2
votes
0answers
226 views

Poor write performance on ecryptfs

I did a bit of benchmarking with ecryptfs and dm-crypt, and got some interesting results. All the following were done with a Btrfs filesystem, using dd to copy a ~700MB file to/from a ramdisk with the ...
2
votes
0answers
798 views

How to trace LDAP authentication failures?

1) I have a working LDAP server which I've confirmed can be used with LDAP clients, running on ec2 via jumpbox. 2) I've run authconfig to setup ldap based authentication, to point to the server: ...
2
votes
0answers
97 views

Migrate LVM to ZFS

I am currently thinking about moving away from my LVM setup to a ZFS setup with RAIDZ. My current setup consists of 5 x 4TB disks in a LVM and a 60GB SSD for the system. At the moment there is about ...
2
votes
0answers
248 views

Open only the first 10 lines of large CSV file in LibreOffice Calc

I will start receiving many large CSV files, of which only the first few lines are of interest to me. I was hoping to open them by piping only the first few lines to Calc, but this doesn't work: $ ...
2
votes
0answers
137 views

How to decrypt a message sent via Pidgin-Encryption?

A friend sent me an offline Google Talk message that was encrypted via Pidgin-Encryption. It didn't appear in my Pidgin logs because I wasn't logged in when it was sent, but I do have the encrypted ...
2
votes
0answers
458 views

Error mounting external hard drive

When I tried mounting an external hard drive connected via usb I got the error quoted below. So far I've tried using ntfsfix and chkdsk. My operating system is Arch Linux and the drive is NTFS ...
2
votes
0answers
215 views

Detect network clients connect and disconnect

I have a linux gateway/server, which sharing PPPoE internet connection between network users. Seeking for a proper way to detect when network clients are connected to and disconnected from the ...
2
votes
0answers
148 views

How to use a key binding within shell script ? (Launch terminator in broadcast mode in background)

I currently use a small shell script to start a terminator window as a background process which has multiple splits specified with a layout. terminator --layout=My_layout & I want to execute a ...
2
votes
0answers
101 views

KeyRemap4Macbook Vim-emulation alternative for Linux

There is a really nifty tool for Mac OS X called KeyRemap4Macbook which allows you, among other things, to use Vim keybindings to edit text in all text fields, with a distinction between normal and ...
2
votes
0answers
2k views

Windows 7 & Linux Mint sharing: W7 can't see LM

I have a Linux Mint 15 desktop and Windows 7 laptop that I am attempting to share files and a printer with. I have a bit of an odd problem that I can't figure out how to resolve. I've configured the ...
2
votes
0answers
2k views

USB flash drive is not detected in Ubuntu 12.04

I have 15GB Kingston flash drive. It is not detected in Ubuntu 12.04 and remains hung up in Windows too. sudo fdisk -l output: WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The ...
2
votes
0answers
90 views

lowercase 'x' key not working as root under linux

This is a weird one. The title says it all - The lowercase letter 'x' has stopped working as root. It works just fine for other users, and the uppercase form works (Though of course with case ...
2
votes
0answers
59 views

Can not copy files after installing windows

I am experiencing a weird problem. I was running Xubuntu on my laptop until yesterday that I had to delete Xubuntu and install Windows. I had a NTFS partition on my Xubuntu that I kept some files on ...
2
votes
0answers
167 views

Raspbian: USB drive mounted and accessible but doesn't show on df -h

I have an USB drive connected to my Raspberry Pi running Raspbian, the directories on it are accessible using cd, ls etc but the drive doesn't show up when running df. It however does show when I run ...
2
votes
0answers
53 views

Automatic package recompilation on apt-get upgrade

Is it possible to achieve the following setup with apt-get on debian based distros, particulary Ubuntu: I need to compile a package from source (like apt-get source ). Before compilation, I need to ...
2
votes
0answers
143 views

SSH Gnome Terminal Background/Foreground Colors

How can I automatically change the background/foreground color of my terminal based on the host that I SSH into? My current setup is an Ubuntu desktop running Gnome-Terminal that SSHs into a set of ...
2
votes
0answers
69 views

OS X configurations partially lost when sharing home directory with Linux

I've installed Arch Linux on my Macbook Pro with OS X 10.8.5. I created an HFS+ volume(journalling disabled) for home directories so that my personal data can be shared between the two OSes. ...
2
votes
0answers
920 views

CentOS 5.10 Yum Packages won't update/upgrade

I've just used yum to install PhpMyAdmin and it installed version 2.11.11.3-2.el5 which is completely out of date since version 4 is out. I've tried running yum update phpmyadmin but I receive No ...
2
votes
0answers
2k views

Ubuntu error Cannot mount USB drive Not Authorized

I have a Ubuntu 11.10 Desktop. Until now I was able to mount any external drives (USB flash drives which have FAT, SD Cards having ext4 partitions/filesystems using USB SD Card adapters). Both of ...
2
votes
0answers
55 views

X window (or whole linux system) replace Caps Lock with ESC *and* Control

on windows there are several key maps applications that replaces Caps lock with ESC on a single 'press and relase' and with a Control signal if hold and another key is pressed. Is there any way to do ...
2
votes
0answers
326 views

Lubuntu LiveCD disabling auto-mount.

In cooperation with my IT teacher we want to boot all PC's in IT class with Lubuntu. I've successfully set up PXE server, but there is one thing that worries us. Harddrives shouldn't be accessible ...
2
votes
0answers
1k views

How do I automatically login into the Chrome OS as guest mode?

I only use my Google Chromebook to browse the net. I don't want to be bothered with logging in order to open the Chrome browser. sean...@chromium.org suggests the following solution in ...
2
votes
0answers
138 views

Why rebooting the system takes longer than a shutdown in fedora?

I'm a fedora (19/ x86-64) user. When I power off the system, it always takes about 3 to 4 seconds to shut down. But whenever I reboot the system, it takes the system much longer (about 30 seconds or ...
2
votes
0answers
2k views

Show hidden folders and files on Fedora 19

I'm in the middle of a migration from Ubuntu to Fedora. How do I make Nautilis in Fedora show the hidden files and folders (those with a dot)? It's Nautilus 3.8.2, if I go to Preferences and choose ...