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Questions tagged [linux]

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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What are the features to identify CSRF attack from Apache log file?

I have tried CSRF attack on web vulnerability application known as DVWA at my localhost and on kali linux OS. I have changed password on this application by using CSRF. It has collected following log ...
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How do I run cinnamon in Ubuntu?

Is there a way to change the desktop environment of Ubuntu to cinnamon? I only have gnome on this computer. I am using ubuntu 18.04.
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Laptop hangs on logout from every distro/DM tried

I've got a mid-spec Acer laptop (details below) that hangs when I try to log out from all the Linux distros and desktop managers I've tried. These include: KDE Plasma openSUSE Tumbleweed GNOME 3 i3 ...
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1answer
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How do I change desktop enviorment in debian

I have installed multiple desktop environments when I started debian. I want to change the desktop environment to gnome but I do not know how.
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1answer
26 views

Need help re-installing a distro

So I decided to switch from Ubuntu to debian last night, but I've had a slew of problems and mistakes. The biggest being that I installed i386 instead of amd64, as this is a new laptop and is 64 bit. ...
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1answer
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How do I install Steam on Debian Stretch 9.6 when using amd64

I've tried more than once install Steam on my amd64 architecture Debian Stretch 9.6, but always have many broken packages or unmet dependencies for them and not able to launch Steam. I followed the ...
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NVMe Drive not Detected on Linux

I am running Kali Linux and it won't see my NVMe m2 drive If I turn off Intel rapid storage technology in the bios then it will work but i will no be able to use windows anymore. Any way to fix this? ...
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Why did ctrl + shift + 'char' shortcuts not working on lmde3?

I have set shortcut for changing keyboard layout to ctrl + shift. When I press any shortcut keys (ctrl + shift + 'char'), they do not work. For Example: when I click ctrl + shift + D in Sublime Text ...
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Could not remove WiFi adapter kernel module; Linux hangs

I am using openSUSE Leap 15.0 (64-bit, kernel version 4.12.14-lp150.12.25-default) with KDE Plasma Desktop (version 5.12.6), all updates applied after installation. I am using a TP-Link T2U wireless ...
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6 views

windows 8.1 doesn't show in grub dualboot ubuntu/windows

So i installed ubuntu(18.10 )to be in a dual boot with windows 8.1(previously installed around 2016), but now windows does not show in grub. The partition is still there and i can access the files ...
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4 views

Crux: could not set interface up (RTL8723BE)

I set up a crux linux installation with the 4.19.9 kernel. Linux pinetree 4.19.9 #2 SMP Sat Dec 15 07:13:29 CET 2018 x86_64 Intel(R) Pentium(R) CPU N3700 @ 1.60GHz GenuineIntel GNU/Linux I tried to ...
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I cant change screen resolution in fresh install of Debian

I have a 1920x1080 monitor and I am running a fresh install of Debian. For some reason the screen ratio is 1400 by 1050. I cannot change this setting in the screen ratio settings or by using the ...
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2answers
51 views

Use a raspberry pi as a POTS phone?

I would like to use a computer as a handset POTS telephone. Why? - I want to use a raspberry pi on the telephone port of an Analog Telephone Adapter (ATA) just to see if I can use it to automate ...
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28 views

Using Linux to create/remove mac partition

Rev0 I am trying to remove malware on my computers and in search of the source of persistence*, I have tried different approaches, one being to format the storage device with a mac partition table ...
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17 views

Ubuntu 16.04 Unresponsive every 10 minutes for 2 minutes

I have a Ubuntu server running Apache2 and Mysql 5.7 which has been working great for about a year and is acting oddly as of yesterday. It seemed to go offline for a few minutes and then it was back. ...
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22 views

FFMPEG and Bitrates

My goal is to figure out the most effective way of forwarding/restreaming a video in the m3u8 format by using FFMPEG. I do not mind bearing the cost of a CDN or extra servers however the ultimate goal ...
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View Duration of Videos

Beside the size and the modified date, how can I view the duration of the videos inside of a folder? As you can see here, there is no such option as length or duration available:
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Run commands with voice on Kali Linux

I use kali linux. I want my mic to listen all the time, and when I say a word, a command executes. I found this article about it HERE However, when I try the command: sudo add-apt-repository ppa:...
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1answer
28 views

Win is trying to repair while booting > cmd > chkdsk C: filesystem is unknown

This is my first question so please be kind. Recently i did my first installation of Ubuntu.(yesterday, ever since i tried to repair it, did not found anything helpfull) I wanted dual boot with ...
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No value for $TERM and no -T specified Ubuntu LTS 18.04

I edited my .bashrc and .bash_profile files in the home directory for both the user and root. Everything works perfectly. About a week later, upon reboot I get this error, but everything still works ...
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1answer
12 views

Set permissions for “all” to same permissions as owner

I have a very large base of files with varying permissions. I'd like to allow everyone with access to the server the same permissions as I have currently (since I created all of the files). Is it ...
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0answers
9 views

CentOS Linux screen -ls does not list sessions

screen -ls does not list sessions anymore. It did work before, I can not remember what mistakes I have made. However I still can ls /var/run/screen/S-qlu to see all the sessions. Is there anybody who ...
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1answer
13 views

When I am trying extract text from PDF using pdftotext command in Linux , I got an error

root@kali:~/Desktop# pdftotext PaySlip.pdf Syntax Error: Missing 'endstream' or incorrect stream length What does this mean ? Is it not able to find end of PDF file ? Please help .
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1answer
28 views

ip does not work / does not produce output when run with cron

I have a bash script in which I use the ip r command. When I run the script in bash it works but when cron runs it it does not. This is the line in my script: ping -q -w 1 -c 1 `ip r | grep -m 1 ...
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1answer
15 views

inotifywait name space issue

I follow the "/ home" directory and its subdirectories with the bash script below. but when the directory names are blank, the script does not work correctly. #!/bin/bash inotifywait -m -r -e ...
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1answer
25 views

Maintaining source IP while forwarding port from one host to another, but there is a small issue

I am using this tunnel approach: https://superuser.com/a/1357450/972858 to forward a port N from x.x.x.x to y.y.y.y. Its working perfectly and destination y.y.y.y is able to see the actual source IP ...
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How to install OSSEC on virtual machine in azure

I want to install Open Source Host based Intrusion Detection System(OSSEC) on virtual machine of Linux Operating system in Azure .There is no proper documentation on How to install OSSEC in Azure. Any ...
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0answers
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program for view a gif in translucent mode over desktop screen? [on hold]

Program for view a gif in translucent mode over desktop screen? Like gif but for gif Please help me like this command yes sorry i edit this , also i try with qiv work for images but not work ...
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1answer
15 views

Can't forward internet via to wlan via eth | iptables restore command not working

I have a NanoPi M1 Plus device with Ubuntu OS in it which I am using it as a router. The device is getting the internet via ethernet cable (eth0 interface) and the WiFi AP is provided via interface ...
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1answer
34 views

Matching multiple path-components with `find`

Let's say I want to find all the node_modules folders in my Code directory: find ~/Code -name 'node_modules' -type d But what if I want to find all the setup folders, that themselves are inside test ...
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9 views

System keyboard shortcut handling priority in Linux

I have several keyboard shortcuts configured inside the i3 window manager, each of which is a two-key combination of Super+<key>. In addition, the MATE (Gnome 2 fork of Ubuntu) environment also ...
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How to disable Ctrl+Alt+Delete on Debian 9 (Stretch)?

I'm using Debian 9 (Stretch) and I read that for security reasons, it's preferable to disable the Ctrl+Alt+Delete keys combination. However, I looked over some tutorials that says to comment some ...
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1answer
14 views

Linux shared folder with user retaining write permission

I have a test group d with 3 users (from /etc.groups d:x:1004:u1,u2,u3) I have created shared folder /home/test/photos which is owned by root and group set to d. I need to allow everyone in group d ...
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8 views

Tool for linux or window manager function to make vimium like keybindings for GUI applications [on hold]

Is there Tool for Linux or any window manager function to make Vimium like keybindings for GUI applications? What I need most is keyboard shortcut letters that allow you to navigate through window ...
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1answer
30 views

SED - complex text deletion and pattern matching

I searched allot on SED. I'm new to using it. Managed to make a command that deletes a block of text between PATTERN-1 and PATTERN-2 (including the patterns) in a large (250mb+) text file. Now I have ...
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How to safely edit code remotely in unstable linux system [on hold]

Background: Right now I am using win-sshfs using to mount a remote UNIX (debian - scratch on a vmware player 14) and edit it over visual code over in windows. The problem I am facing is because the ...
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1answer
18 views

Extend a PV partition in Linux

I have a situation where there is ~300G available on /dev/sda and I want to extend a partition /dev/sda3 with the additional ~300G. However from what I read online if /dev/sda4 exists, I cannot ...
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26 views

zsh sometimes doesn't show stdout

When I have a command that generates a lot into stdout zsh recently (last 6 months AFAIR) stopped showing the output. e.g. when I do a: for i in `seq 2000`; do echo AAA; done I don't get any output,...
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Manager CIFS/Windows folder permissions from Linux

We are creating CIFS shares from a simple custom Admin Website (hosted on a Ubuntu 18.04 Host running Apache and php) The shares are located on a NetApp Fileserver and are created via the the ...
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13 views

Can't mount Samba share - “No such device or address”

I have a WiFi modem (10.1.1.1) running a Samba 1.0 file server (SHARE) and a USB flash drive connected to it. I am trying to mount the share directory to my existing local directory /mnt/smb. Output ...
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13 views

Python boto3 profile not found when lauched from cron tab

I'm running Amazon Linux 2018.03 (which I suppose is basically CentOS) with Python 2.7. I have a python script my_script.py that uses the boto3 library to use AWS services. I want to run the script on ...
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8 views

Gnome 3 Tweak Tool not saving preference

I would like to change the Windows Focus in Gnome 3 with the Tweak Tool. But after I restart my computer the Windows Focus is always back to its default state. How could I persist the change to ...
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1answer
12 views

How to only download files beginning with a certain range of numbers?

I'm trying to download files from a numbered list on a website. The list goes up to 6179 items, but I want to start the download from item 4852. I've tried the command: wget -m -np -c -A "*[4852-...
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0answers
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“/etc/apache2/sites-available/aiya1938.ls2.conf” E212: Can't open file for writing

virtual host creation time on putty above it shows error: "/etc/apache2/sites-available/aiya1938.ls2.conf" E212: Can't open file for writing. Virtual Host Creation write on putty sudo vi /etc/...
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Window moving unpredictably with wmctrl

Trying to script up some wmctrl here, and I've run into some issues. Here's my script. #!/bin/bash moveX=$1 moveY=$2 sizeX=$3 sizeY=$4 if [ -z "$moveX" ] || [ -z "$moveY" ] || [ -z "$sizeX" ] || [ ...
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31 views

Open LUKS volume using key stored in kernel keyring

Has anyone managed to have cryptsetup open a LUKS volume using a passphrase stored in the kernel keyring? According to this article (see towards the bottom) it should be possible. I have a passphrase ...
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56 views

Ubuntu Stuck on Loading Screen

I prepared a Bootable USB drive (64GB) to install Ubuntu, but then I accidentally formatted my hard disk (with windows 10 on it) so I wanted to try to restore that, but after few commands in the ...
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dhclient cloud-init /var/tmp process

There's a process that's running that I'm trying to investigate why its running and what its doing. The server is a Linux Ubuntu server running on AWS. Running 16.04. The process in question is: ...
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16 views

i3 dual monitor mouse not able to move on entire screen

I have just got a nice dual monitor setup with i3: the main monitor is 4k and the secondary one is FHD. I have setup the 4k one to be horizontal and the FHD to be vertical. This is my .Xresources: ...
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MongoDB log ownership being hijacked by nginx

I've been running into this problem occasionally where /var/log/mongodb/mongod.log's ownership gets changed to nginx, thus mongod will fail to initialize. I've checked the crontabs and nginx config ...