A family of Unix-like operating systems using the Linux kernel. If your question is about a certain distribution only, use a more specific tag.

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GRUB 1.99 CentOS 7

I just added CentOS 7 to an existing Ubuntu system (using GRUB 1.99). When I do a grub-mkconfig -o /boot/grub/grub.cfg, it detects the CentOS, and adds two entries (one looks like normal, one like ...
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250 views

How do I get 64-bit binutils in Redhat 7

How do I check whether I have 32 or 64-bit binutils, and get 64-bit binutils, in RHEL 7 (my nm reports nm: supported targets: elf32-i386 a.out-i386-linux srec symbolsrec tekhex binary ihex trad-core ...
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175 views

How can I disable input from the laptop keyboard in (Kubuntu) Linux?

I want to disable the laptop keyboard so that I can put a normal USB keyboard on top of it. Is there anyway to do it? I DON'T want to do it through X (i.e xinput float), because I need to be able to ...
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1answer
36 views

find boot-up script on any Linux/Unix installation

I need to run a program on boot-up and install the corresponding code into the system startup-script. Unfortunately, not all are using the same system: I checked Debian and CentOS and they use /etc/...
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508 views

Setting up IPv6 internal network with WiFi access point

first of all I'm completely new to ipv6 so please forgive me if I'll say something stupid. I'm trying to setup an ipv6 internal network to test an application I wrote ( yeah I can code for ipv6 but I ...
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334 views

I reinstalled ubuntu and now I don't see my RAID drive

I originally had a Ubuntu 12.04 system with RAID5 array that I built using mdadm. Due to issues with graphics drivers, the 12.04 system crashed and I had to reinstall the operating system. After ...
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613 views

Can Linux be installed successfully on an intel atom D2500/GMA3600?

I'm triyng to install debian on an intel D2500HN motherboard that features the GMA3600 Power VR video chip. I tested various versions, 32 and 64 bit but the result is always the same: an artifact ...
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709 views

Metasploit wouldn't work with the database

I am running Arch Linux on my i386 laptop. I've made a fresh install of ruby1.9 and metasploit from AUR and now I'm experiencing some weird stuff with it. First, it does not load any modules upon ...
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569 views

TCP/IP to Serial - Serial Server

I have a server with 8 COM ports which I would like to make accessible via TCP ports, I've done quite a bit of research and tried numerous solutions including ser2net etc. All of which unfortunately ...
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516 views

Linux Mint installation and partitions restore

I tried to install Linux Mint and accidentally selected to install over other OS. After that it imediatly transfered me to where I must select my time zone. I aborted install, restarted PC and looks ...
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102 views

Using GNU screen to create a split screen environment from command line

Could someone please point me towards the syntax for using GNU screen from the command line. On a previous cluster, I managed to create a bash script that would create X number of tiled shells, each ...
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393 views

Why does my PPTP VPN connection fail to route to the remote network in Linux?

I'm trying to connect to my office's PPTP VPN on Linux via ppp. The gateway has a local IP address in the 10.4.x.x net and I need to access other machines in the 10.x.x.x net (which I can do normally ...
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199 views

Copy to clipboard from Mono-ran programs does not work in Debian testing

I was running KeePass (http://keepass.info/) using Mono on Debian Wheezy. I was able to copy usernames and passwords from KeePass to KDE using (mono? wine?) clipboard. I found I needed to switch to ...
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618 views

eclipse not started from command line in Ubuntu 14.04

I installed latest version of Eclipse at /opt/ directory in my Ubuntu 14.04 machine. Then I created a soft link to open it through command line: sudo ln -s /opt/eclipse/eclipse /usr/local/bin/...
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555 views

Cannot start any virtual machine from VM Player

I am using a Desktop PC with Windows 7 as Operating system. I am using VM PLayer to run a CentOS for me. I am going to use CentOS to setup an Asterisk environment for me so I can conduct studies on it....
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318 views

I have a USB drive formatted as FAT32. How can I set its permissions in ubuntu 14.04?

I can read the files but can't write or change the permissions of a file I wanted.
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262 views

AltGr makes Ctrl stuck on Linux Mint running in Virtual Box under Windows 8.1

I have Windows 8.1 and have installed VirtualBox 4.3.14 to run Linux Mint 17 Xfce in it. Pressing AltGr in the virtual Linux Mint makes it think that the Ctrl keys is pressed down until I hit Ctrl ...
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159 views

redhat, multipath on cluster node display different result

I've a cluster with two nodes installed with "RedHat Entreprise Linux Server 5.6" If I execute "multipath -ll" on them, I do not get the same result. I've checked within "multipathd -k" with "show ...
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82 views

Moving disk with 4kB sectors from enclosure to internal SATA controller makes MBR invalid

I recently bought a 750GB WD disk for a netbook and formatted it while connected via a USB adapter. Because the adapter would disconnect when it was trying to access the ext4 journal, I connected it ...
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37 views

iptables - I'm losing control over the box by adding new rule to the config

My set up is the following: Internet uplink (200Mbit) DMZ (1GB ethernet) Internal network (1gb internet) Log interface My gateway is serving around 600 clients with 1400 iptables rules in place....
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467 views

CIFS mount over VPN hangs when VPN crashes and reconnects

I've successfully shared Windows share over VPN (PPTP), mounted it with mount.cifs on my Ubuntu machine and I'm able to browse the shared contents from the Ubuntu. However, sometimes, when the ...
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1k views

How to to boot Linux from external USB SSD drive, attached to Windows 7 machine?

Is there way to boot Linux from external USB SSD drive, attached to Windows 7 machine?(without altering or modification the Windows Boot Configuration Data(BCD)) The same way as boot with bootable ...
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28 views

Autostarting a script at boot doesn't recognize the function “function”

I'm trying to get a script containing a function to run just after root autologin on TinyCore 5.3. The script works fine if I launch it from the prompt after login like this ./script.sh But when I add ...
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240 views

useradd: invalid option — 'n'

I'm trying to create new user with default values, but it gives me error that such option is invalid. So does something changed and I need to use something else to create user with default values? ...
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99 views

How to manually control internal printer hardware

How can a printer's internal hardware be directly controlled via a computer (with Linux)? Perhaps some command-line utility? With "internal hardware" I mean components such as the ink cartridge motor ...
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526 views

Grub menu dosent appear. Boots directly to windows 8.1

I have been struggeling with a problem for a couple of hours. It feels like I have tried everything but nothing works. I installed linux mint 17 alongside with windows 8.1. I turned off fast boot and ...
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393 views

Virtual Box internet connection issues

I have faced a problem and I'm already stuck. Gonna describe it soon but first some info: I'm running Win8, my VBox is 4.3.12, I'm using wireless connection. The problem I'm having is I can't use ...
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39 views

Is there a way to send a screen command to a screen session “above” my current screen?

I would like to be able to send a screen command to a screen session "above" my current screen session (which is on another server). Imagine the scenario of starting an initial screen session and from ...
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250 views

How to use an email relay server from cmd line

I have some cronjobs that run on our servers that monitor processes, run automated jobs, etc. These scripts mail alerts for our monitoring or mails out the automated job results, etc. using the mail ...
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744 views

Tesseract on linux

How to solve the problem without having to install tesseract 3.03 when I get a warning: Warning: You are running an unsupported version of Tesseract. Expecting version 3.03, your version is: 3....
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219 views

How add mppe to Debian kernel 3.2.54-2 x86_64

I use debian. 3.2.0-4-amd64 # 1 SMP Debian 3.2.54-2 x86_64 GNU / Linux. I'm trying to setup pptpd, but I'm having trouble adding support "mppe". I' m searching "kernel-patch-mppe" on the debian site ...
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125 views

gedit when used in terminal to write c-program

We use gedit from terminal to write a c-program. After the compilation of the program, gedit seems to hang. We will have to force quit it after each compilation: eg:nayanam@Nayanam-desktop:~$ gcc c2....
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141 views

Script for finding new files in a directory, and execute a command

I have a directory with several, or even hundreds of xml files in it. I want to execute a script when a new file is found. the only MAJOR problem is I can't use inotifywait or something like that. Due ...
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1answer
449 views

Windows 8.1 bootloader recovery

I have installed Linux Mint on notebook with Windows 8.1. I didn't install grub on /dev/sda and installed it on /dev/sda5. After booting to Windows I tried to add Linux in Windows bootmenu using ...
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1answer
232 views

open virtual box from live cd error

I am running linux mint in my laptop. I made some modifications and I couldn't login in linux enviroment. I boot in live cd (linux mint) and I recover my important files from desktop. I had some ...
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1answer
356 views

Ubuntu 12.04 + supervisord service - not starting with the system

I installed supervisord on some of virtual machines that I manage and I also added init script for supervisor from here: https://github.com/Supervisor/initscripts/blob/master/ubuntu Here is part of ...
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1answer
308 views

How do I mirror sub directory of a website with wget

I need to mirror the following URL: https://web.archive.org/web/20100515230709/http://markowitzbocadentist.com/ But I need to mirror only files from this date '20100515230709' i have tried many wget ...
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1answer
2k views

Remove grep's line number output in Redhat 5.9

I havent used RH 5.9 until now. I started with 6 but we have some 5.9 servers. The syntax with 5.9 is a bit different with some things. grep for example will output a number line before the actual ...
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119 views

How do I make sure that bash (not tcsh) is used in Linux?

I have a bash script where I use ssh to connect to another server and run some commands there. I found some sites that the error (Warning: no access to tty (Bad file descriptor). Thus no job control ...
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1answer
708 views

Use dd to copy an HFS+ volume in linux

I have a friend's HFS+ external drive from her Macbook. We created a new similarly-sized partition on a different external drive, also using the Macbook. From everything I understand about dd, it is ...
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1answer
60 views

find all users with personal web pages on a server

for a homework question for a class, I have been tasked with finding all grad/undergrad students that have a webpage on the schools server. There must be a list somewhere, but I can not figure out ...
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1answer
502 views

Tar withour directory structure and exclude folders

I am trying to create a tar file to exclude certain folders and then I want to have a tar file without the parent directory structure. I am able to exclude folders, but when I extract I see path from ...
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1answer
101 views

Linux, Saving data from old HD (connection randomly drops)

Background: I have an old HD which I am trying to save data from (important, not so urgent). I am using a SATA adapter (& external power source) to connect the HD to my laptop. lsusb calls my ...
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1answer
57 views

Linux backup server

I have a small server and want to create a safety backup to my home. How do I best achieve this? I read about rsync, however, as far as I understand it may make files in use be inconsistent. E.g. my ...
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1answer
1k views

I can't run Hitleap Viewer.exe on Linux Ubuntu OVH VPS

I'm trying to run this app on Linux VPS. I have tried many methods but I couldn't do it. First method: Install a Graphic VNC-desktop. Install Wine Log-in and execute the app. This method didn't ...
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1answer
50 views

How to restore Debian server's /var/lib datas

I made a big mistake : While administrating and making settings, I accidentally deleted /var/lib folder. The result is that I can no longer use any dpkg commands, so I"ve lost my mysql database. I of ...
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1answer
711 views

Looking to kill frmweb processes with no jobs

So I am trying to figure out a way to kill Oracle frmweb processes that are doing nothing when load begins to get too high. So far, I have found this command: ps -elf | head -1; ps -elf | awk '{if (...
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1answer
194 views

Is it possible to get two IPv6 networks to communicate over IPv4 Internet in this case?

I have a setup of a laptop connected to a cellular IPv4 network (3G usb dongle) and PC connected to another IPv4/IPv6 network. Both have been configured to run as IPv6 routers and each has its IPv6 ...
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1answer
737 views

Replace Microsoft AD with samba4?

I want to know if windows machines that exists in a domain can be replaced with linux machines and emulate the domain with its functionality, for example apply group policy or disable USB sticks on ...
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1answer
88 views

Unable to set rw permissions on a folder, changing usergroups on user

I got a RAID mounted as /mnt/NAS. In this mount I got a folder called /mnt/nas/rec. The mount is shared with SAMBA, and guest users are assigned as the user nobody and are tied to the group nogroup, ...