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Questions tagged [debian]

Debian GNU/Linux is a widespread Linux distribution focusing on stability, security, and the free software philosophy.

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Should I change permission or owner of the folder

In my Amazon Lynux Debian. By default you get admin user and the recomendation is dont use root user instead use sudo command and you have to follow a serie of steps to get it. Of course when try to ...
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24 views

i2cdetect -l don't return anything

I need to use the SMBus, but when I run the command i2cdetect -l I do not receive anything as output, on Windows it was recognized, I do not see anything about SMBus even doing lspci. I installed and ...
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How to change hugepages in Debian

I try to reserving Hugepages for DPDK Use. I change the configuration in /etc/default/grub like this: GRUB_CMDLINE_LINUX_DEFAULT="crashkernel=1G-:256M quiet default_hugepagesz=1G hugepagesz=1G ...
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13 views

Unable to connect to WiFi hotspot

I am unable to connect to the AP of the NanoPi's wifi. I'm not able to understand what seems to be the issue? hostapd.conf hw_mode=g channel=1 driver=nl80211 ssid=nanopi2-wifiap interface=wlan0 ...
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1answer
17 views

Can't start Minecraft server in tmux with systemctl

I'm trying to automate my Minecraft server because having to manually wrangle tmux sessions gets really old after a while. Here's the systemd service file I wrote to help me with that: [Unit] ...
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1answer
35 views

“apt upgrade” over SSH: This frontend requires a controlling tty

When upgrading our linux servers, I issue a command like this from one of our management servers: ssh server1.mycompany.com apt upgrade Under certain circumstances, I get this output from the ...
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1answer
25 views

Make image of the OS

I am using a Nano Pi device which has Debian OS in it. The OS image is existing in its internal memory (8 GB). The total size of the used memory is somewhat 4GB. I want to take a backup of this OS ...
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1answer
8 views

Journald not logging custom fields on debian

I have the following script that I run on both an Arch Linux machine as well as a Debian stretch machine. On the Arch Linux machine I'm able to find the random value that was logged, whereas I can't ...
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1answer
12 views

How do I reroute traffic from port 80 on tun0 to port 80 on eth0?

I have a webserver running on the same server that I use a VPN on. I'd like to be able to access the webserver when the VPN is both on or off. On FreeBSD this was pretty simple, in my opinion PF is ...
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15 views

Configure Gnome settings with Debian Live-Build

I'm making a spin of Kali Linux and am following their guide while referencing the Debian Live Build manual. I'm trying to figure out how I can get a few simple tweaks like application, cursor, icon, ...
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1answer
26 views

Create a bootable virtual floppy disk image on linux, from a binary file

I am trying to create a bootable floppy disk image (.img) for a very old version of Debian. I hope to run it on virtual-box. i have succeeded in creating a .img and mounting it on /media/floppy as a ...
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1answer
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Can iptables change its rules based on the network you're currently in?

Does iptables have a way to automatically adapt some of its rules or just straight out switch which rule sets it's using based on what your current network is? I have a lot of uses for something like ...
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1answer
34 views

apt-get “Unable to locate package” with a glob

I'm trying to uninstall the Pantheon desktop. I use a star glob to uninstall all packages with a name that starts with "pantheon-". rolf@DRGMC01:~$ sudo apt-get remove pantheon-* Reading package ...
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xrandr saying “Size 1920x1200 not found in available modes” even though it is available

When I manually reduce resolution from 1920x1200 to some lower resolution in KDE (Debian 9 amd64), the command xrandr -s 1920x1200 ...does not work: % xrandr -s 1920x1200 Size 1920x1200 not found ...
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1answer
22 views

PureOS on MacBook without Windows

I've been trying to find a good way to install PureOS on a Macbook Pro. So far I've only seen one very convoluted solution that involves installing a trial version of Windows 10. I'm looking for a ...
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25 views

Setting up CUPS server on port 80

Would it be advisable to use port 80 instead of the default CUPS port 631 or the alternative port 49631 as adviced by Debian SystemPrinting. I could bind it to another virtual interface with a ...
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23 views

Linux bluetooth audio issues. No working mic/sound via HSP

Running crunchbang++ ( debian 9 ). MPOW-059 bluetooth headphones. Bluetooth device: Bus 008 Device 002: ID 0a5c:21e8 Broadcom Corp. BCM20702A0 Bluetooth 4.0 If I connect them via a2dp sink I ...
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1answer
46 views

How to get the list of keys pressed in say an hour in the past

How to get the list of keys pressed in say an hour in the past. I have a Debian 9 Stretch. Not sure. I googled a bit. All results are about programming. I don't think that is needed. There was be ...
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1answer
16 views

Linux version sort; letters first

GNU sort -V is great for sorting IP adresses. Unfortunately it throws all lines with leading letters (as opposed to numbers) to the bottom of the pile. Is there a way around it? Note: • 192.168.0....
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28 views

Error installing Sudo on Debian

I'm trying to install sudo on Debian. At first I logged as root and then apt-get install sudo when I open nano /etc/sudoers it is an empty file. Here is a screenshot of my apt-get install sudo. Does ...
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37 views

Nemo: ignores first keypress when typing to select a file

This behavior has started relatively recently. When I start nemo and begin typing a file or folder name, the first keypress is entirely ignored. For example, if I want to view my "documents" folder, ...
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Can unattended-upgrades upgrade a system multiple times a day?

You can set the apt-daily.timer and apt-daily-upgrade.timer arbitrarily but unattended-upgrades only upgrades the system once a day in this case. Is there a way to upgrade with unattended-upgrades ...
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21 views

make apt-get less verbose

I´m on Debian 16.04 and built myself a shell script to simplify all the update stuff and I regularly call it with sudo: apt-get -qy update apt-get -qq upgrade apt-get -qq dist-upgrade apt-get -qq ...
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24 views

Removing an OS without disturbing other OSes

What's would be the easiest approach to remove Debian from my system? I have 3 OSes on my laptop as shown in the output of lsblk --output NAME, SIZE, LABEL Output: NAME SIZE LABEL loop1 81....
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1answer
49 views

Failed to download only package and dependencies on Debian

I'm trying to download (download only, not install) some packages and it's dependencies so I can install them later offline. I was told to use the command apt-get install --download-only [package]. ...
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1answer
33 views

Media Player Classic on Debian

I know that there are many great video players for Linux but I need MPC-HC for the specific reason that I can hide the seek bar by pressing Ctrl+1. Could MPC-HC be compiled and used under Debian ...
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25 views

Can't update/use Whonix distribution

When trying to start "Whonix Gateway" first time, after few starting steps it runs whonixsetup which checks if Whonix is configured successfully within Tor, but it fails with Warning: So, as ...
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1answer
92 views

ssh permission denied (publickey,keyboard-interactive)

Why I insist on asking a question I've done a quick search on this problem and done a few solutions that have been said. None worked. What I did Termux as host. Installed apt install openssh, ...
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28 views

Run script before other units stop on shutdown

I need to run a script before a set of other services on my machine stop when shutting the machine down. (In my case, terminating an EC2 instance.) I have tried variations on the answer in this ...
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Can't Perform Forward Resolution via Secondary Nameserver to Delegated Zone

My organization's domain name is example.com. The organization's nameservers are named ns1.example.com and ns2.example.com. I am the administrator for subdomain project.example.com. Our IP address ...
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1answer
34 views

How do I automatically generate symlinks?

Not sure if this is the right spot to post this (if it isn't, sorry) Due to some restrictions (and preferences) I'm finding myself at a dead end. Machine is running ProxmoxVE (Debian/QEMU based ...
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1answer
40 views

“Firefox is already running, but is not responding.” even though MOZ_NO_REMOTE=0

This is Debian 9 Stretch speaking, #1 SMP Debian 4.9.110-3+deb9u4 (2018-08-21), with a new, portable installation of Firefox 62.0 run from /opt with $ which firefox /opt/firefox/firefox My problem ...
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37 views

New install of Debian 9.5 x64 will only boot with Install USB drive inserted

I just installed Debian 9.5 x64 (CLI only) on a new machine. I used a USB Flash drive as the install medium. It installed, I rebooted leaving the flash drive in, and it booted up fine. I took the ...
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Windows 8.1 can't shutdown after dual boot with Debian

I have a MSI GE60 2PC Apache, I could use Debian 9 and Windows 8.1 together before I installed Win 10. After Win 10, I had shutdown problems so I installed again Win 8.1 but this problem started after ...
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152 views

Unable to view images. feh cant open X display.

I have written a python script that displays a random image which it receives from the server. I want it to run after boot. So the script I have written is: [Unit] Description=My device boot script ...
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Debian 9 - Default Gnome desktop - does not display package updates available and other updates is grayed out in Software and Updates

I'm running Debian 9 with the standard Gnome 3 desktop. It does not prompt to say there are new updates, I would like it to do this and display a notification on the desktop. Also when I navigate to:...
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1answer
36 views

Cannot connect to FTP via Filezilla on Lightsail

I created an instance of Debian on Amazon Lightsail. Everything works fine except FTP. I added port 21 to the firewall: Next, I followed these instructions to the letter on how to install proftpd: ...
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Can't restart apache2

I have apache2 down on my debian machine I tried so to restart it and then i got this error: I find a solution saying that i need to create "logs" sudfolder in apache2 folder, but when I tried to do ...
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2answers
105 views

OpenVPN TLS failing and keeps disconnecting me

Yesterday I installed Debian 9 and OpenVPN on a server at home and everything was working flawlessly (I followed this guide). However, this morning, OpenVPN was working (client side) and suddenly ...
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0answers
58 views

RAM mystery - Why show debain 3.2 but ubuntus 4 GiB RAM

I have read a lot of different speculations on the web, some say 32bit OS can use only 3.2GIB other say its used by the kernel... I have 2x 2048 RAM on my laptop. In debian the free command shows ...
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1answer
29 views

What does GRUB_DEFAULT=“1>2” mean?

On of our Debian-servers won't boot into the newest installed kernel, and during troubleshooting I came across this: root@server:~# grep GRUB_DEFAULT /etc/default/grub GRUB_DEFAULT="1>2" I ...
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1answer
28 views

“find” command has been looking for mysqli.so for 9.729 hours

I have been searching on this site and many others, but I have a process which has been running for 9,729 hours at 100% CPU at all times. According to htop, this is the command is being run by "root" ...
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12 views

Front panel USB not working anymore after recent update in Debian 9

My USB front panel in a workstation does not recognize new USB devices anymore, whatever's plugged in. dmesg shows nothing on plugging in new device in front panel. (Some 2 months back it was working ...
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1answer
65 views

Debian Live Installer doesn't see m.2 NVMe SSD

I'm trying to install LinuxCNC onto a brand-new machine that has no OS installed. It's got a 128 GB NVMe m.2 card in it that the BIOS recognizes, but the installer only ever shows the USB Flash stick ...
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1answer
18 views

How to install xserver-xorg in unattended mode?

When I install xserver-xorg package on Debian9, I have to manually input the package configuration for keyboard layout How can I skip this step, or preconfigured the keyboard layout, so I can install ...
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1answer
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Why the access check algorithm from “man acl” does not correspond to the actual differentiation of rights?

In man acl says: 2. else if the effective user ID of the process matches the qualifier of any entry of type ACL_USER, then if the matching ACL_USER entry and the ACL_MASK entry ...
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1answer
29 views

ssh user has no root rights

I've set up an ssh user and add the user to the sudo users. But when I connect via ssh and want to install something with apt-get installI goth this error debconf: DbDriver "passwords" warning: ...
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debian libsane-common, dependencies, and canon LIDE-120

I'm running debian-stable (stretch). I have a canon LIDE-120, a scanner which in debian seems to require libsane-common-1.0.27, which is currently available only in sid (debian-unstable). So my ...
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15 views

Programs using too much swap, unable to hibernate

I have a debian desktop with vm.swappiness set to 5. It has 8GB of ram, runs a very light window manager (i3), and has about 11GB of swap space. The only possibly resource intensive thing I run is ...
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29 views

Unable to convert logical partition to primary or create create a new primary partition

So here is the issue: I have a 500 GB Hard Disk in my laptop, currently I have linux (Debian 9) installed on it. Now I wanted to dual boot my laptop with Windows 10/8.1/7 in one of my 60GB unallocated ...