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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After debian downgrade all packages are in local or obsolete

I have weird problem: because, after downgrading from Debian jessie (testing) to wheezy (stable) - by changing sources.lost. Apt-get don't want to downgrade packages, but they are in Installed (local ...
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2answers
42 views

Change range of bytes by address in pipe

I've got some binary data that is streaming through a bash pipeline. The data is usually more than 50MB in size. The existing code looks roughly like this inputprocess | filter1 | filter2 | filter3 ...
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1answer
89 views

writing more complex math input to fish shell

The fish documentation explains that the math command is essentially a thin wrapper to bc. The bc documentation has further info about more complex ops: If bc is invoked with the -l option, a math ...
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26 views

Confirming VPN functionality?

I need some basic help with using a VPN client. My home network is: 192.168.1.0/24 and my work network is: 10.0.0.0/8. I'm connecting in Debian Linux via client.ovpn file, using the command: openvpn ...
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1answer
53 views

Ubuntu Linux sudo groupadd option menu keeps showing

I'm a beginner to Ubuntu and Linux. Every time I try to do a groupadd in my Ubuntu terminal the options for groupadd show up and I dont know why. I enter this in my home directory: sudo groupadd –g ...
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53 views

zfs module locks fs if storage file is used at this fs

First of all following things are related to gentoo on amd64 and zfs for linux. I'm persistently receiving mount-ro failed because we are using / on system shutdown inside my sandbox-virtual machine ...
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1answer
4k views

Attempting to install tmux on CentOS 6.4 or CentOS 6.5 fails with error: ‘EVBUFFER_EOL_LF’ undeclared

I tried compiling tmux using the following steps: yum -y install ncurses-devel libevent-devel wget http://downloads.sourceforge.net/tmux/tmux-1.9a.tar.gz tar -xvzf tmux-1.9a.tar.gz cd tmux-1.9a ...
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0answers
34 views

man --html - Not showing tables?

I recently discovered man --html, and am quite giddy with joy at being able to navigate the docs locally in a browser at a whim. However, it seems like certain objects, such as tables, are not ...
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1answer
43 views

Sqoop Tar ball unpacking

I'm working through the installation directions for Sqoop: Sqoop server supports multiple Hadoop versions. However as Hadoop major versions are not compatible with each other, Sqoop have ...
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1answer
38 views

how can disk be invisible for a moment

I did try to run mony linux in PC ram 500MB disk 40GB cpu 1,5GHz and sometimes after reboot linux like tinycore puppy partedmagic after load kernel and initrd in one time it can not see disk folders ...
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2answers
125 views

How do I preserve a UNIX socket across reboots (RasPi, Arch, chroot)

I've set up nginx and php-fpm under Arch Linux on a RasPi. nginx was set up in a chroot as described in the ArchWiki. Everything runs fine when php-fpm.conf and nginx.conf are set up to listen to ...
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2answers
699 views

Can I install 2 operating systems on 2 different hard drives?

I have 2 SATA hard drives that I want to use in my system. One has Windows 8, and the other I want to install Linux. Can I install Linux on the second drive without disturbing my Windows 8 ...
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3answers
2k views

deleting files but disk space is still full

Dealing with old CentOS 5.6 box, with no lvm setup, my root file system / is full, I have cleared many old log files and application files that I don't need, which was more then 2 -5GB in size, ...
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0answers
11 views

crypt for Apache on Windows

Current situation: Location 1 has Apache running on Linux, htpasswd entries are stored with crypt. Location 2 has Apache running on Windows, same htpasswd file should be used for authenticating users, ...
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51 views

How to share folders b/n VirtualBox and Win 7 using NAT adapter and Samba

When I had my Adapter set to Host Only I followed this tutorial and was able to view the folder # \samba\share\ only buy typing \\192.168.55.444 in my windows start up. So, this means I could share ...
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96 views

Sharing FUSE filesystem with Samba; Mac OS X cannot access it properly

I created a simple FUSE filesystem -- read-only, and the only thing it really does to files (a bunch of audio files) is changing their names. The filesystem is hosted on a Linux server, where it works ...
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212 views

curl: (35) error:0200100D:system library:fopen:Permission denied

In continuation with this question... I get curl error as above only as an unprivileged user on my system. However, on searching I found the above link which asks me to check permissions for ...
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1answer
395 views

Can't connect from winXP in Virtual Box to ftp on my linux host

I've try to connect to my host system (which is Xubuntu) that run ftp server, ftp://10.0.2.2/ I use default ftp built in WindowsXP: error (I only have Polish version): Wystąpił błąd podczas ...
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1answer
47 views

How to submit an LSF job to exclude a specific machine?

One of our LSF machines is not able to run a specific program. I want to submit a job such that it goes to any machine except for the failing one. I have read the manuals but could not make it out. Is ...
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0answers
135 views

ffmpeg conversion commandline needed

I want to ask for help on converting a mpg videofile recorded from TV to a mp4 format my SAT Receiver can play, (mp4). Below are the format infos of source and target output by ffmpeg -i: All done on ...
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2answers
122 views

Oracle Linux VM on Virtual Box

I have downloaded 32bit Virtual Box version and 32bit Oracle Linux VM. This my basic settings: But then I'm catching: This kernel requires an x68-64 CPU, but only detected an i686 CPU. Unable to ...
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2answers
883 views

How to create a directory named '-p' under Linux with Bash? [duplicate]

In Bash, how could I create a directory named -p? mkdir -p failed. mkdir "-p" failed. mkdir "\-p" failed. mkdir \-p failed.
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1answer
48 views

Do we need a VPN?

We are looking at setting up a server for our university research group (small group of 5 people). The server is eventually going to be gathering and storing data from a number of our project partners ...
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1answer
220 views

How to take screenshot(using selection) in awesome wm via scrot

Tried: awful.util.spawn("scrot -s") awful.util.spawn("urxvt -e \"scrot -s\"") os.execute("scrot -s") and all possible combinations even with sleep. Also tried daemonize. Nothing works =( P.S. All ...
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30 views

Corrupted profile using Linux live cd. Explanation?

I was playing around with a Linux Live CD (Ubuntu; USB) and tried changing the password of one of my non-admin accounts through the terminal following these instructions. After restarting, the icon ...
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79 views

X11 Forwarding windows program on linux computer

I would like to be able to get Unity3D to run on my Linux desktop. This does not work (at all) in wine. My plan is to ssh forward the window of it from my windows 7 computer to my Linux computer. ...
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1answer
254 views

What is the correct way to configure a linux installation's partition system?

FIRST Sorry if this is technically a duplicate. i Have searched for the information and was unable to find it in any of the answers or forums. SECOND Since SE likes to close questions that don't get ...
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1answer
863 views

Accessing VirtualBox with NAT adapter using SSH

I have a CentOs 6.5 running on a VirtualBox. I am using NAT adapter and my inet addr is 10.0.2.15 But, I can't access this host using ssh root@10.0.2.15 I get ssh: connect to host 10.0.2.15 port 22: ...
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1answer
72 views

Completely hide files on Linux

i was wondering if there's a way to prevent a ls -a command to display certain files to certain user/group The criteria could be: if the file is hidden and the user/group has no read access, then ...
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0answers
13 views

Backup computers boot information/files under Linux

Basically the same question as the unanswered one of How to backup the boot information of a PC's Hard Disk?, but from a different angle because that one was seeking Windows based solution ...
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3answers
80 views

sed rename files moving numbers to end of file

I have a directory that contains several files with the following pattern. 1953-MADAMA BUTTERFLY 1953-MADAMA BUTTERFLY_001 I'm trying to bath rename them to achieve the following: MADAMA ...
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1answer
126 views

IPtables preventing outgoing packets

I am trying to setup firewall rules on a RHEL webserver, so that my webserver can serve up web pages and at the same time download remote files using curl/wget. Problem I am experiencing is I can only ...
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1answer
202 views

Converting a scanned pdf to a compressed PDF with binary (2 level) image

I have many old scanned PDFs which take up too much space on disk. I have tried many PDF compressors available on the web. All of them ask me what compression to use for color images, and what to ...
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0answers
46 views

How to keep mysqld alive with minimal memory?

I have a rackspace server that I have been renting to run my personal projects upon. Since I am cheap, it has 256Mb of RAM and honestly can't handle a lot. Every once in a while, when there is a sharp ...
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2answers
193 views

Fedora 20 touchpad bottom half useless

Previously I had to take my hard drive out of my laptop and plug it into my desktop, because the Fedora installer was not working on my new laptop. On a side note, with Kubuntu I have never had an ...
1
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1answer
85 views

Strange SD card behaviour

I have a Sandisk 8GB SDHC card. Yesterday I was trying to write a Raspberry Pi OS image to it. But it fails in the middle. From then on, the card seems to be "dead" in my desktop PC since it no longer ...
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1answer
474 views

Unable to access localhost & Internet using one adapter in CentOs

I have the below dev. environment. Hardware:- Windows 7, 32bit, HP Laptop. Software:- CentOs 6.5 running on VirtualBox 4.3.10. In a nutshell The problem is that I can't access the internet and ...
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1answer
313 views

Why is /usr/share/gnome-shell/js missing?

I'm trying to debug a gnome-shell extension, but I don't seem the have the folder /usr/share/gnome-shell/js. I'm on fedora 20 with gnome 3.12. I couldn't find it when I had gnome 3.10 either. Were the ...
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1answer
124 views

how to remove mp3 Subtitles

How to remove embedded subtitles from a MP3 file in Linux? I have a mp3 file with subtitles in it (it is sound of a movie in another language , so you don't have to download the movie again just ...
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1answer
72 views

Booting EFI disks in BIOS system

I have a Debian-based system with three drives in it. All three drives have the following partition layout: Model: ATA ST4000DM000-1F21 (scsi) Disk /dev/sda: 4001GB Sector size (logical/physical): ...
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24 views

Packages in (K)ubuntu

1) First question How to list really installed packages in ubuntu? The problem of dpkg --get-selections (the command written in almost any forum) is that its second column (= install / deinstall) ...
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191 views

Linux networking, Windows DNS server and DNS name resolution

This is a follow up question on Windows DNS sometimes can't pick up my VM's hostname. Previously I thought the problem is at the Windows DNS side, but now I'm not sure, because I'm trying to ...
0
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1answer
166 views

How to install Cygserver

I'm programming in UNIX, so I'm using Cygwin. But functions of IPC does not work on it, just in Cygserver. How can I install it? I'm looked in google and did not find any concrete information. Thanks ...
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1answer
2k views

How to install MediaTek MT7610U (RT2860) driver

MediaTek provides Linux driver for USB Wi-Fi dongles based on MT7610U (chipset RT2860, I personally have ipTIME A1000UA). I downloaded MT7610U USB V3.0.0.2 (direct link), extracted the archive and: $ ...
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2answers
61 views

Will backing up a game CD/DVD work like this?

I recently heard that CDs and DVDs "go bad" after extended periods of time. Initially this was a problem for me because I couldn't write boot disks for new Linux distributions (at least until I get ...
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0answers
87 views

Display port numbers and port names

How do I display both port numbers and port names at the same time? I can display the forward port numbers (i.e. 22, 25, 1000, 443, 80) using the following: [root@michaels ~]# iptables -L -n Chain ...
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15 views

error-> Could not update ICEautohrity file

error-> Could not update ICEautohrity file in my Cent OS operating system When i was unable to use my mysql database i stopped it and restarted the system. Then i got the error as error:- Could ...
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28 views

Cant start linux , boot linux

Model: ATA TOSHIBA MQ01ABD0 (scsi) Disk /dev/sda: 500GB Sector size (logical/physical): 512B/4096B Partition Table: msdos Number Start End Size Type File system Flags 1 32,3kB ...
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1answer
82 views

Nautilus changes my fluxbox experience, how can I bring the original configuration back?

I am running Fluxbux on Ubuntu Linux desktop machines and I noticed this happens at least on Ubuntu 12.04 and Ubuntu 13.04: I usually install from a standard Ubuntu distribution, and afterwards ...
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1answer
170 views

Create shared folder for VSFTP jailed users in Linux

I have a thing I want to do. I have set up a VSFTP server, and put its users in "jail", so they cannot look anywhere else except for their home directory. However, now I want to do something more. ...