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 to change the current TCP timestamp value for Linux?

Linux normally sends a TSval field that corresponds to the current uptime. I would like to overwrite this with a user-specified value. # 4 hours after boot: > outgoing TCP packets have TSval ...
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FatRat - How to add FTP credentials?

I am wondering, how to add FTP credentials to FatRat? You have to insert an regular expression, but how exactly does it have to look like? Anyone has an example of an regular expression? For example ...
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Which new version of Fedora to use with Amahi?

I recently came across Amahi and tought I found an use for an old computer I have. However, When I read the documentation for the 32bit systems, says I need to have Fedora 19. but then on the website ...
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Can't Connect to External Monitor on RHEL6

I have rhel6 installed. I am using a W530 lenovo laptop. I am trying to connect to Lenovo LED monitor using VGA cable. I think I have the Nvidia driver installed but I when I plug in my VGA cable the ...
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1answer
45 views

How to read ls -l permissions

I've been trying to understand Linux permissions. I know that I could download one file via CyberDuck from a remote Linux machine and the other one I was not able to. Here is the output of ls -l: ...
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28 views

My wireless interface can't see access point

I'm trying to learn how to manage wireless with my Ubuntu and so what I want to do is to enable my wireless from command line. What I have done is this: sudo ifconfig wlan0 up sudo iwlist wlan0 ...
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2answers
54 views

How to determine what type of wifi networks are supported by your driver on Linux

On Linux (specificially Ubuntu) what's the easiest way to determine what types of Wifi protocols your hardware and driver support? I have a router running DD-WRT that supports broadcasting in both a ...
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2answers
154 views

Strange “Last Login” ip SSH

I was told to post this here instaed of StackOverflow so here it goes: 2 weeks ago I accessed my server via SSH and noticed that PuTTY displayed an "Last Login" IP from India. Today I accessed the ...
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23 views

Custom script in /etc/rc.local - not starting X properly

I made a script called starter.sh: #!/bin/bash while true; do sudo fluxbox & sudo -u pi epiphany-browser -a --profile ~/.config http://localhost/index.php & sleep 2s done; Which is ...
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14 views

gradual gamma correction to correct viewing angle instability

I have an Thinkpad e540 laptop whose display is very susceptible to the vertical angle at which you look at it. I have found out that the color distortion which happens at the top and at the bottom of ...
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1answer
28 views

String replacement using sed [closed]

Searching and replacing a string in a file. Input file name - Input.txt DATETIMEOFFSET(20) datetimeoffset(99) DatetimeOffset(10) lots of data1 lots of data2 datetimeoffset(45) Output File name - ...
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2answers
26 views

File sharing between a cluster of linux machines

I have a cluster of 6 machines. The other day we had a power cut and the fully functioning cluster turned off. Now we have turned it back on its no longer functioning and the person who was knew what ...
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1answer
19 views

Forwarding Wacom tablet over network

I have a Lenovo X220 Tablet Laptop and wanted to use it as a graphics tablet on my PC. Can I forward its input to my PC over the network?
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12 views

Multiple bitrates with Shoutcast from one source

I'm trying to run on Linux multiple streams from one source. The streams I want to run are one with 192 Kbps and one with 32 or 64 Kbps. I have tried many things but I don't know what the best program ...
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20 views

L3 data cache ECC error

I happened to have a terminal window open in Linux (Debian) and, as I was browsing the web, I heard a beep so I looked to see what happened and I found the following message in the terminal window: ...
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1answer
51 views

Changing MAC address disconnects Wi-Fi

I am using OpenSUSE 13.2 with kernel 3.16.7-21-desktop x86_64. I am trying to change the MAC address of my system by using the following commands: ifconfig | grep HWaddr ifconfig wlp2s0 down ...
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1answer
24 views

Trouble setting up the class path for MySQL and running MySQL via terminal

Question: what is the easiest way to run the MySQL app from the terminal What I have tried: Using some stackOverFlow suggestions I have used the following commands echo $PATH, produces ...
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1answer
22 views

Creating a symbolic link for Firefox and launching creates 2 Firefox windows

I am using Arch Linux and LXDE. I have downloaded Firefox and moved it over to: /opt/firefox (e.g., mv firefox /opt/firefox). Next, I created symbolic link to the user/bin folder: ln -s ...
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18 views

Setting up ipv6/dhcp with duid

I've got an online.net dedicated server which runs fedora 22, KVM and a few other things, so I currently have it setup with a bridged network connection. My provider has given me a duid, and I'm ...
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2answers
23 views

netctl start asks for root password

Every time I do netctl start Newton (Newton is the name of my wifi network's profile) I get this message: ==== AUTHENTICATING FOR org.freedesktop.systemd1.manage-units === Authentication is required ...
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34 views

Brute-forcing a Google Drive account with THC-Hydra?

This is my first post on StackExchange, so i'll try to make this breif. I'm pretty new to hacking, and as an exercise, I set up a google drive account to try to retrive the password. I did a little ...
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3answers
544 views

Would a Windows 10 install overwrite Linux/Grub?

I'm currently multi-booting Windows 8.1 and Ubuntu. Next Wednesday, I plan to upgrade Windows to version 10, but before I do that I'd like to replace Ubuntu with Arch Linux. Is there any point in ...
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28 views

“Missing LSB tags and overrides” error on /etc/init.d script

I made a script as showed in this tutorial: http://edv-huber.com/index.php/problemloesungen/15-custom-splash-screen-for-raspberry-pi-raspbian But after executing a command: insserv ...
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0answers
10 views

Can`t connect to IRC Server: Closing Link (Install identd)

I installed a Hybrid-IRC Server on my linux Vserver. If i try to connect to my IRC Server with Xchat i get this: "Closing Link (Install identd)", but if i use a online IRC client like kiwiirc.com or i ...
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14 views

Replace (non-raided) drive in raided server

Current setup: ~100gb disk (sda) with 4 partitions: /boot, /home, "system folders", swap 500gb RAID5-array (md0) with 1 partition: /var OS is Ubuntu Server LTS 15.04 on an old hp 32-bit system ...
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1answer
19 views

How to use echo in shell command from Makefile?

I have a GNU makefile. It runs fine on Linux, Solaris and OS X. However, under Cygwin-32, Cygwin-64 and MinGW, it produces: /bin/sh: -c: line 0: syntax error near unexpected token `(' /bin/sh: -c: ...
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Unable to install grub for Archlinux on vmware fusion

I am trying to install Archlinux on vmware fusion. Everything went well until I had to install grub. The problem is when I try to run: grub-install --no-floppy --recheck /dev/sda I get the following ...
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11 views

Microsoft bluetooth mouse on RHEL6

I am using rhel6 and I have a bluetooth mouse from microsoft I am trying to pair it on my system but my system won't recognize it. I have followed up with some information which might help with the ...
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+100

How do I make my Lenovo Y50's subwoofer work on linux?

I have a Lenovo Y50 laptop which has a subwoofer integrated that works on Linux Mint 17.2, only if I download HDA Analyzer and change with it: PIN 0x17 -> Widget Control -> Check OUT and Uncheck ...
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2answers
46 views

Why can't I get wireless connections but I can get Internet on Kali Linux?

So, when I try to connect to a WiFi network on Kali Linux, it won't give me any WiFi networks. But so long as the windows WiFi is connected, it will give me internet. So, I know the WiFi works ...
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14 views

How to make udhcpc changes permanent in Poky (Yokto) Dizzy distribution

I used the following command: udhcpc -i eth0 and configured the eth0 device to DHCP.  Now, running ifconfig shows me my dynamic IP address. After I reboot the device, this configuration was gone; ...
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5answers
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Any way to avoid dot-slash when running executable scripts in bash?

let's say I have a script. chmod +x myscript Now to run this I go ./myscript But is there any way I could just run it by typing myscript ???
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2answers
166 views

SSH to a host with known but non-static (variable) IP

Is it possible to have ssh or .ssh/config use a dynamic IP address that is stored in a file? I have a remote machine with dynamic DNS that puts its current IP in a file in a shared dropbox. I'd ...
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1answer
23 views

How do I make Unison behave like rsync?

I have two roots, /sync and ssh://bob@remotehost//sync. These roots contain three subfolders: paul, bob and sam. I currently sync them using the following script: rsync -a --delete --delete-excluded ...
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1answer
62 views

What does the “w” in “yum install -y php56w” stand for?

Following instruction on this page I installed PHP using command: yum install -y php56w My question is: what does the 'w' stand for in php56w?
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1answer
29 views

Hide HDD from Windows but not Linux

I have a PC with multiple HDD's, one HDD has Windows, one HDD has Linux, the rest are storage drives. I want to only be able to access certain drives from certain OS's, is there any way to do this? ...
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1answer
12 views

Encrypted folder mounted by a cron job, won't keeps mounted

I have an A.sh script that queries a server; retrieves the mount password and mount the Private folder in the client. Then I have a Init.sh script that first check the internet connection status and ...
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1answer
42 views

iptables - allow access to a web server from the outside

I am trying to allow access to a web server from the outside and I am getting nowhere. Granted I do not have any experience in iptables, but I have dabbled in Cisco ACL and NAT. I am not sure what I ...
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1answer
22 views

One-size-fits-all package manager for ubuntu? [closed]

I’m a mac user and I was thinking about switching to Ubuntu since Apple is becoming a little to expensive for me. One of the first things I couldn’t live without is a good package manager. Now, brew ...
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1answer
19 views

CentOS - Trying to backup/restore a MySQL database?

My CentOS 6 server got a server issue, so customer support took a backup of my server and reinstalled it. The backup is in a folder called /home/42406. I'm trying to find my MySQL database called ...
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7 views

ssh connection with only public key on ubuntu

I'm trying to connect on ssh with only public_key on my localhost session. But that's return: Permission denied (publickey). ssh -v user@127.0.0.1 OpenSSH_5.9p1 Debian-5ubuntu1, OpenSSL 1.0.1 14 Mar ...
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1answer
42 views

How to run script every time display is re enabled?

On my linux laptop my screen in flickering due to low PWM duty cycle, I found solution here: https://bbs.archlinux.org/viewtopic.php?id=159817, and wrote script that set PWM to higher value. The ...
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0answers
36 views

Using motherboard splash screen during Linux boot

Windows 8.1 with UEFI uses the motherboard manufacturer's splash screen while booting. This results in a feeling of extra smooth boot process. How can I get this behavior with under a Linux system? ...
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0answers
15 views

Unable to enable libvpx library in ffmpeg from command line

This is my first question I have asked on superuser, so please be patient with my ignorance if it should surface. I have spent hours and hours trying to figure this one out and would greatly ...
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1answer
14 views

Can't open folders in Fedora KDE Plasma 5

I installed Fedora a few months ago, I've been using Gnome with it and wanted to use KDE Plasma 5, I tried it live first by downloading the custom Fedora ISO which contains KDE instead of Gnome. I ...
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1answer
29 views

zip extractor reading archives from stdin

As follows from UNZIP(1L) man page Archives read from standard input are not yet supported Are there another CLI programs running under Linux/cygwin which can extract from zip archives reading ...
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1answer
10 views

Can't access host-only network when on two interfaces [duplicate]

I'm trying to use a host-only connection with my VirtualBox VM. My VM is set up and can ping the host (192.168.56.1) on vboxnet0. If I disconnect the host from my local network (internet access) I ...
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0answers
19 views

Can't access host-only network when on two interfaces

I'm trying to use a host-only connection with my VirtualBox VM. My VM is set up and can ping the host (192.168.56.101) on vboxnet0. If I disconnect the host from my local network (internet access) I ...
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2answers
50 views

Do you know any OS independend centralized backup solution? [on hold]

I'm currently looking for a new backup solution for my home network. That's my IT infrastructure: - HomeServer with OpenMediaVault on Debian - 1 Arch Linux Client - 3 Windows Clients (7/8/10) - 1 ...
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Applications do not detect file changes

For some time now (I think since I upgraded to my Linux Mint Debian Edition (LMDE) to LMDE 2) several applications that watch directories for changes, no longer respond to such changes as they should, ...