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 do I get my Ubuntu laptop's display on the ubuntu desktop connected to the network?

My network consists of an ubuntu laptop and an ubuntu desktop connected via a router. Now, I want to work on my laptop and see the output on the desktop screen, through the network. How do I achieve ...
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1k views

Why doesn't piping grep output into xargs work with color?

I have a strange issue. My grep has colored output, and if I do something like this: grep -lr '80' /etc/apache2/sites-available/|xargs ls I got: ls: cannot access ...
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2answers
208 views

Any way to share a once-off ssh session like TeamViewer/VNC without creating a user?

Hi, I would like to trial some dev ops/sysads/db admins but I don't want to give them the keys to the kingdom until they've proven their skillz. I'd like something analgous to TeamViewer in the ...
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2answers
667 views

Why am I getting “No such file or directory” after install?

If I command convert --version it shows this. bash: /usr/bin/convert: No such file or directory All what I did was this 1. $ wget ftp://ftp.imagemagick.org/pub/ImageMagick/ImageMagick.tar.gz 2. $ ...
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1answer
7k views

How can I remove “ImageMagick” completely?

I think I accidently did install 2 ImageMagicks to my CentOS 5.8 before. Version 6.2.8 was removed by yum erase ImageMagick However, it still shows this when I typed $convert -version Version: ...
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3answers
2k views

Batch rename files in linux using folder name

I have a load of directories (2005 - 2012), each with files (01.jpg - 100.jpg). If I wanted to rename all the files into the base directory, renamed to, for example, Folder 2005 - 01.jpg, what would ...
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0answers
516 views

iproute nexthop not working - defining multiple default gateways

I have several point to point connections and I’d like to use all of them as default gateways. I saw this link which explains how to do this using load balancing by calling ip route with a next hop ...
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1answer
668 views

Is it possible to make encfs mount point unwritable when not mounted?

I am using encfs and I've been quite happy with it so far, but I have one issue that can be somewhat annoying. Say my favourite mount point is ~/encfsmnt. My problem is that if my encfs isn't mounted ...
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3answers
24k views

NFS mount fails, permission denied, no export entry

I have a problem mounting a NFS share that I can't solve that is driving me nuts. This is the situation: Three machines involved: Host A: mandrake, IP 192.168.1.4, NFS server Host B: athlon64, IP ...
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3answers
255 views

Completely remap keys in Mac OS X

I'd like to remap some keys on my Mac OS X 10.7.5. Those mappings are not that trivial, for example I would like that 'W' key behaves as Return and right 'Apple cmd' behaves as Arrow down. Is that ...
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1answer
849 views

How to migrate SD Card with Linux?

My scenario is simple: my android phone has internal microSD card with size of 2Gb and I run out of space. Now I bought a new 16Gb microSD card where I want to migrate. Steps: 1. Insert old sd card, ...
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127 views

Show only files owned by the user

I have a folder containing lots of backup images. I want users to only see their own files. I've tried setting the permissions to 000 but they still can see the file using ls (the backups belong to ...
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668 views

USB pen drive not getting assigned anything in /dev/

dmesg | tail -f: [17597.228060] usb 1-1.3: new high-speed USB device number 11 using dwc_otg [17597.330548] usb 1-1.3: New USB device found, idVendor=18a5, idProduct=0300 [17597.330580] usb 1-1.3: ...
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0answers
359 views

How to install reliable/flexible GRUB for multi-boot (Windows, Linux)?

This question must've been asked a billion times, but I haven't found a real GRUB-related solution. I need to install GRUB on a machine that'll have both Windows and Linux (Fedora) installed. It must ...
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1answer
2k views

Running the same Windows both in KVM and physical

I have kind of an advanced question for you, I would like to install Windows on my hard drive (which is GPT formatted) but I would like to be also able to run it in KVM. To clarify, the same Windows ...
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0answers
500 views

Libpcap Dropping Packets With Newer Intel NIC

I am migrating a packet sniffing project from a Dell PowerEdge R410 (with dual Broadcom 1Gb integrated NICs) to a Dell PowerEdge R620 (with quad Intel 1521 i350-series 1Gb daughterboard NICs). I am ...
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1answer
155 views

Ubuntu Custom ls Listings With Strings

I am trying to add certain strings to file types in the bash "ls" command. For example, "ls"-ing a directory with an .exe inside, would appear as <file name>* E.g. helloworld* Instead of ...
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322 views

Telnet to windows host backspace key wrong

When telneting to a windows host from a linux guest, attempts to use the backspace key leads to odd characters being output - and nothing being deleted. Is there something to get the windows telnet ...
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1answer
330 views

Run script in runlevel 1

I'm trying to run a script in runlevel 1 out of /etc/inittab. The script I want to run looks like: #!/bin/bash while [ 1 ] do #do something sleep 1 #do something sleep 1 done The inittab ...
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3answers
996 views

Disk encryption: advantages and drawbacks of hardware disk encription vs dm-crypt

I'm going to reinstall my system (Ubuntu) on a Samsung 840 pro SSD. This disk can do AES hardware encryption. I wonder what would be the drawbacks and/or advantages of taking this approach versus ...
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1answer
157 views

linux java top cpu issue

I attached 2 photos. The first with threads view. The second without. How come in the second it shows only 100 cpu usage, while in the first when you combine all threads cpu usage it's a much more ...
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629 views

linux KVM guests network performance is slower than host

i have a KVM linux based virtual machines, as the network performance of the host is running perfect with 1GB/s(in internal network) and using iperf tools it show that the network is running perfect ...
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408 views

How to use QoS on a Tomato router to share bandwidth evenly between computers on network?

I've been looking through the source code for the kernel packet scheduler, and I'm pretty sure I could code what I want manually, if necessary, but I'd love to know if it is possible without ...
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1answer
223 views

Automatic file encryption/decryption: detect file is closed in Mate/Gnome application

I'm writing a bash script to automatically decrypt file for editing and encrypt it back after file is closed. File type could be any: plain-text, office document, etc. I am on Linux Mint with Mate. ...
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3answers
3k views

Host-only-like interface in KVM

I just migrated from Virtualbox to KVM, everything is very good. But I've a little bit confused in network adapter type. In Virtualbox I have host-only adapter, which are virtual nic (no bridge), and ...
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1answer
292 views

Linux - Cut video from end position

I have been looking at different video cutting command line tools for Linux and I can't seem to find any which supports the operation of cutting a video from the end. For example, i have 10 videos ...
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2answers
230 views

passwd pauses after bad password has been entered

Say you type in passwd and you enter in the wrong password. There's a noticeable delay between when it tells you that the password was bad and when you enter it. Any ideas as to why? Seems kinda ...
2
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1answer
66 views

linux - insert numbered list of files into middle of another list of numbered files

I have a folder (apple) containing files doc001.jpg doc002.jpg ... doc010.jpg, Another folder (banana) also contains files doc001.jpg ... doc150.jpg How can I insert the contents of ...
3
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1answer
362 views

On linux, how do I prevent the creation of .DS_Store files?

defaults write com.apple.desktopservices DSDontWriteNetworkStores true works on Mac but not Linux. This problem is caused by my use of SSHFS.
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1answer
1k views

Host server at home behind ISP NAT using STUN

I'm hosting my own Linux server at home, which I will be using as a VPN server and web hosting if possible, problem is that I'm behind my ISP's NAT which means that I'm unable to connect to my server ...
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91 views

SSH into Linux box from EC2

I can't seem to ssh from my ubuntu EC2 server into my work linux box. From my work linux box, I can ssh into myself via ssh -p <my listening ssh port> <user>@<my ip> The same ...
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1answer
835 views

LMDE with gnome 3 - Change automount options

I've got GNOME 3 on an LMDE machine and I need to change the automount options to mount without the noexec attribute for an NTFS partition. Does anyone know where I could find such configurations and ...
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1answer
555 views

How To change Grub Boot Setting

I got Fedora 18 and Windows 7 installed on the same machine, and I want to change Default boot time from 3sec to 7sec also and the default start-up systems windows 7. I have used this commande : ...
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1answer
470 views

Can't assign a keyboard shortcut to a certain bash commands using xfce-keyboard-settings in Linux Mint

Can't assign a keyboard shortcut to certain bash commands using xfce-keyboard-settings in Linux Mint I'm using Linux Mint 14 Nadia I use xfce-keyboard-settings to assign keyboard shortcuts to ...
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0answers
81 views

Can I play latest games in VM? [closed]

I am a GNU/Linux user and sometimes I would like to play some games. Do VM handle latest games well nowadays?( with good enough hardware of course) What kind of hardware do I need to play let's say ...
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2answers
658 views

Find files > 0 bytes in length that consist only of NUL in Debian/Ubuntu

After fsck'ing an ext4 drive that had been running in a QNAP nas without an fsck for about four years, I now have a number of files that seem but be the correct size (typically 8-12mib), but each byte ...
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1answer
155 views

Linux OS for Mac PowerBook g3 (1998)

So I got a PowerBook G3 off EBay (I don't know why, I just did) and it arrived. Now that I have it i realised that is nearly useless running Mac OS 9. My question is : Is there a Linux distro, like ...
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1answer
2k views

Understanding chmod and setfacl

I have a file that I think I should be able to execute. It shows these permissions with ls -lah: -rw-rwxr--+ foo foo-group And these with getfacl myfile: # file: app/console # owner: foo # group: ...
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1answer
248 views

How to view and search in SVG on GNU/Linux in a good way?

There are already some more or less generic like (Eye of Gnome) and specialized (rsvg-display) viewers that work on Linux. I find them not good enough hovewer, especially for viewing big things like ...
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2answers
660 views

Linux kernel conflicts

rpm --query --all '*kernel*' kernel-headers-2.6.32-220.17.1.el6.x86_64 kernel-firmware-2.6.32-220.17.1.el6.noarch dracut-kernel-004-256.el6.noarch kernel-devel-2.6.32-220.17.1.el6.x86_64 ...
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1answer
680 views

Mount serial port through ssh connection (Mac/Linux)

I'm working on a MacBook Pro under mountain lion and I would like to mount serial device connected (/dev/ttyUSBx) on a Linux PC under Ubuntu 12.10 through SSH. I tried with sshfs to mount /dev ...
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3answers
5k views

Linux Mint 14 severe overheating

I've tried switching to Mint (it was Mint 12) about 6 months ago, but failed to do it due to enormous overheating which made it virtually impossible to run any applications more complex than Gedit. ...
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0answers
112 views

Completely remove all X.org setting and configuration files

I'm trying to completely reinstall X server and AMD proprietary drivers on a Fedora Core 17 amd64 with kernel 3.6.11. How do I make sure nothing of my previous setup / configuration remains, so that ...
3
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1answer
1k views

How to get rid of errors when running find command in Linux?

I am using following command to list out 20 large files in a directory. But along with the file listing, it also shows error messages, such as permission denied. I tried adding 2> /dev/null but it ...
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3answers
3k views

Linux: super light-weight music player with http or commandline interface [closed]

I'm searching a super light-weight music player which has a http and/or commandline interface. It should support very basic playlist support (removing files by id and adding files by path or something ...
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1answer
259 views

Don't start display manager when booting

I need to somehow boot from Grub w/o even starting or trying to start X and display manager. I tried linux (hd1,msdos3)/boot/vmlinuz-*** root=/dev/sdb3 ro text but this started kdm regardless. I ...
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2answers
1k views

How to display a single terminal in two columns?

When viewing a PDF on a wide screen monitor, the viewer can display two pages one next to the other. Is it possible to do something like this for a terminal window so that I can meaningfully utilize ...
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1answer
295 views

Can I combine multiple network filesystems into one? (WebDAV specifically)

My aim is is not redundancy but rather something akin to a file-level version of RAID-0. I have two basic goals to increase overall performance using multiple connection threads. I'm often working ...
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2answers
57 views

None of my directories are writable

Argh help lol I have ran a chown command (silly me) which I did not fully understand now when I connect via filezilla and try do anything write/delete files/directories I get Error: mkdir ...
3
votes
1answer
822 views

Automating Unix Command Line Application that Asks for Input

I'm trying to automate a Unix command script and pipe the output to mailx so I can know if I need to manually edit files before FTPing them. A lot of this is automated, but due to a bug I need to ...