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

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Getting Clock/Time information from PC to an STM32F4

Assume I connect a microcontroller board (like an STM32F4) to a PC via USB. Is there anything in the USB communication protocol that contains host clock data? In other words, can I sync the ...
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1answer
18 views

PDF reader with zoom [closed]

I'm working with largish PDFs (e.g. 17523x2383 dots @ 72dpi), where i need to zoom out (to see the overall picture and to navigate) and to zoom in (to read labels on the nodes). The PDFs are simple ...
2
votes
1answer
60 views

Strange ssh connection issue

Let me start by describing the situation. (Below RP = Raspberry Pi) In country A there is a RP 2 running raspbian jessie offering ssh. In country B I have my lan with a laptop, a RP B running wheezy,...
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23 views

How do I start virsh with NVIDIA Optimus?

As my notebook has Optimus, I cannot use GPU forwarding. Instead, I use Virgl3d with KVM and virsh. This works absolutely fine and allows me to use at least a few 3D related applications. It however ...
2
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1answer
5k views

uninstall libc6 package by dpkg

I have install "libc6_2.17-0ubuntu5.1_amd64.deb" on my ubuntu server 12.04. The orginal libc6 on system is 2.15. After install the package, I check it by: ldd --version it shows: ldd (Ubuntu ...
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2answers
59 views

How do I remove GRUB from Macbook after Debian install?

I made a partition on my secondary hard drive and installed Debian to it. As outlined in the docs, this makes GRUB the default boot loader. Since I don't really use the Debian install, I'd like to get ...
18
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3answers
23k views

How to set up wireshark to run without root on Debian?

I'm trying to use wireshark on a Debian machine, but when I run it with my non-root user account, it doesn't detect any network interface. I also tried running wireshark as root, but wireshark tells ...
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2answers
10 views

Infinite login loop in Debian Virtualbox

I am trying to write a small character device kernel module and somehow, I managed to fill up my virtual hard drive by reading from it (??). Now as soon as I type in my password at the gui prompt, the ...
3
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1answer
106 views

Samba eats RAM?

I don't really know what's going on here at the moment: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 1272 root 20 0 3829868 3.312g 1860 D 0.7 93.0 512:39.94 ...
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3answers
4k views

How to disable sound modules in debian squeeze (solved)

The scenario, I have a debian squeeze xen virtual machine, only doing server tasks. On boot it autoloads sound modules despite blacklisting. I know about modprobe -r, however ideally I'd prefer to ...
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1answer
21 views

Repair Grub from inside the system (not using CD)

I was playing with Debian Jessie, installed it on a USB drive and (almost) everything was ok. In the end I noticed the original Grub (in the laptop's SSD) was over written. I'm able to login into ...
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20 views

see the systemd boot logs?

With recent versions of debian using systemd, it is no longer possible to view the stdout boot messages with boodlogd The instructions at systemd debugging don't say how to do this either. So how ...
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0answers
29 views

# du -h --max-depth=1 / -> Permission denied (but I'm root)

Why in the output of # du -h --max-depth=1 / there are complains about permissions, shouldn't root see everything? root@machine:/# du -h --max-depth=1 / 529M /opt 112M /boot 20K /mnt 8,0K /...
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1answer
63 views

Debian machine not sending mails (PHP)

I have a local vagrant debian machine hosting a Symfony php application which should sends mails with Swiftmailer. When I move this app to a pre-production or production server mails are sent, so the ...
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0answers
23 views

SSH Write failed: Broken pipe on Ubuntu 15.04

I'm using Ubuntu 15.04 (let's call this CLIENT) to SSH into another linux machine (let's call this SERVER). And, sooner or latter, I get Write failed: Broken pipe I tried SSH to the SERVER from ...
2
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1answer
52 views

Lenovo Thinkpad T450s: “Error: The non-volatile system UEFI variable storage is nearly full.”

A customer of mine is using a Lenovo Thinkpad T450s since something like a year. The machine is running Debian jessie, with a kernel out of jessie-backports, right now 4.5+73~bpo8+1. The latest UEFI ...
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1answer
30 views

Can not change permissions while root

I use Kali Linux and discovered the following "problem": root@kali:/proc/self# ls -l cmdline -r--r--r-- l root root 0 May 27 13:43 cmdline root@kali:/proc/self# chmod 744 cmdline chmod: changing ...
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1answer
42 views

update samba using apt-get and automatically keep local smb.conf

I have a bunch of systems running debian 8.4.0 which can be user updated through a web interface. The system then fetches an update from our server and runs an update script. Logging in remotely is ...
3
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2answers
107 views

Which is the user‑space command for resuming from hibernation?

During a long time, I used echo disk > /sys/power/state In order to hibernate to/dev/sda10and I was using the initrd of my Debian distribution to resume. But recently, I switched to a raid ...
2
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1answer
3k views

really disable power save in linux wifi

I've got a laptop with an Intel Corporation Centrino Advanced-N 6205 [Taylor Peak] (rev 34) (using iwlwifi kernel module). Although power_save (a module parameter) is disabled, I can see 802.11 ...
2
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2answers
69 views

Cannot install SSH server on Debian Jessie

I made a fresh install of Debian today and now I am trying to install the SSH server so i can connect to the machine remotely. When I do apt-get install ssh it shows me that packages cannot be ...
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0answers
24 views

Why swap isn't in use ennough on my system

I have Debian GNU/Linux 8.4 (jessie). I have this output of free: olga@olgacomp:~$ free -h total used free shared buffers cached Mem: 2.0G 1.9G ...
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1answer
16 views

Plesk backend with Letsencrypt

I have a debian server with plesk and letsencrypt (via plesk) installed. Is it possible to use these plesk-generated certificates which are normally only for the subscriptions/domains to secure the ...
0
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1answer
41 views

How do I download a Debian ARM package from another computer

I am trying to use apt-get to install some packages on an offline system. I have a small ARM embedded system running Debian. It is not connected to the internet. I would like to download some Debian ...
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13 views

Simple centralized logging for small Debian-based cluster

I have small cluster with 8 servers. Every one has Debian 8.4 installed. I'm only one administrator. What would be the simplest solution for centralized logging with following requirements: Easy to ...
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0answers
19 views

enable scroll momentum in debian jessie

I am using debian jessie and when I lift my fingers scrolling stops, so scrolling to the bottom of a webpage is very tedious. On another partition on my laptop I upgraded to jessie (here I did a fresh ...
3
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0answers
27 views

tomtom multisport gps watch [https://github.com/ryanbinns/ttwatch]

I have installed the library from here: https://github.com/ryanbinns/ttwatch Following the "Setup for unprivileged access", its installed and running from the command line without error, I have ...
0
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0answers
8 views

neovim not schemecolor on tmux multiplexor

I dont know why I dont have schemecolor when I use tmux on my neovim, here something of data of my console: gnome-terminal tmux 1.9 neovim this look so: I try a lot of this possible solutions but ...
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0answers
53 views

How to configure Grub for Android-x86

I have: Debian GNU/Linux 8.4 (jessie) installed on old Gygabyte laptop. Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): ...
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0answers
24 views

Pulseaudio remixing handles subwoofer / center volume differently

I'm using pulseaudio on my debian system. My PC is connected to a 5.1 system. I enabled remixing, lfe remixing, channels, etc. in the pulseaudio configuration (speaker-test works perfectly). When I ...
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1answer
21 views

Server lock-up, fsck after reboot

After locking up for whatever unknown reason, my dedicated server shows the following after rebooting: It has been stuck on this for about 2.5 hours now. It shows no progress indicator of any sort ...
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0answers
14 views

Tap-to-click and vertical edge scrolling

I've a laptop (Lenovo B50-30) with a (Synaptics) touchpad. I've installed Debian on it. I want to enable the following things after LightDM is started: Tap-to-click Vertical scrolling at the right ...
1
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1answer
26 views

How to allow multiple users to access to the same crontab in Debian Linux v8.4?

I am trying to create a crontab for a group of users, lets call the group "testGroup". There are 3 users, and I want to give all of them access to the same crontab. I did some research and tried to ...
3
votes
1answer
45 views

CPU cores remain offline after hotplug

When my UPS triggers an "on-battery" event, I want all cores to switch off to conserve power. The PC has 8 cores on two chips, UPS batteries need replacement every 3 months because of high current ...
0
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1answer
46 views

Where are the PHP error logs stored on a Debian 8 “Jessie” server?

I know this question has been asked many times before, and I've looked at all the answers but they don't seem to work for me. I am trying to check if the error log is turned on for PHP, so I went to ...
3
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3answers
105 views

What is the difference between adding a user to “sudoers” vs “root” group?

I have done some research and in order to allow the user to use the sudo command, you must add them to the "sudoers" group. This gives them root privileges as long as they enter in root's password. ...
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1answer
35 views

Debian: php and php5

I'm running a small private Debian Jessie server, acting as a private cloud / hosting platform. Often times, I've faced 'difficulties' installing services with recent PHP requirements because, while ...
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0answers
2k views

No sound in headphone jack

Worked fine a week ago. Yesterday when I plugged headphones into my Asus laptop, I got sound both from headphones and speakers. Today after system crash (not sure what was the reason) when I plug ...
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13 views

Vim solarized seems to mixup color

My vim: This is how my looks, look at the change in color from line 38 onwards. Any solution for this?
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0answers
15 views

Openbox desktop no response to mouse clicks

Installed Debian 8.4 on Fujitsu LH531. Everything works great in Gnome, Cinnamon. When I installed Openbox, its desktop has no response to mouse/touchpad clicks. But it works in applications (i.e. ...
2
votes
2answers
2k views

Services manager for Debian to change whether a service starts onboot or not (mysql,apache,networking,network-manager,gdm,xdm,etc)

This question is about finding a GUI or ncurses or whatever services manager for a Debian desktop. Something like this: Mac example Windows example The ideas what it should do The thing should ...
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0answers
15 views

Kali Linux unable to load htc_9271.fw firmware

I am trying to use my TL-WN722N network adapter with Kali Linux on a Banana PI, however every time I plug it, dmesg gives me this error: [ 11.152949] usb 4-1: ath9k_htc: Firmware htc_9271.fw ...
2
votes
2answers
1k views

Viber on Debian 9 - No internet connection

I've got a brand new HP Probook 430. Debian 8.3 stable was not able to meet requirements of new hardware. So I've upgraded to Debian testing (Stretch) and put a new kernel as well - 4.3. https://wiki....
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0answers
35 views

HP ProBook 450 G2 - Won't boot at all

Just got a new HP probook, came with windows 8.1. In order to install Debian 8, I disabled secure boot and enable legacy boot. Then installed debian successfully, removed the cd and restarted the ...
1
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1answer
71 views

KeePassX .4.3 version - Old kdb database and 2.0 doesn't work - Ubuntu

1. Situation Transferring password database from one computer to a new one. KeepassX 2.0 is great, but it doesn't support loading older DBs. In fact you should use keepassX 2.0 going forward as it ...
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0answers
23 views

QJoyPad: error reading joypad dev device: Operation not permitted

I'm running Debian Jessie (64bit) and installed qjoypad (it allows you to map gamepad events to mouse and keyboard ones). I get the following error when running qjoypad from the console: error ...
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2answers
127 views

How to move postgresql database from one computer to another?

I've been created an Internet service on Debian server. I want to move all data from one server to a new one. So, how can I move the postresql database? What is the best pipeline?
0
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1answer
49 views

etc/network/interfaces multiple connections (wired static + wifi dhcp), how?

I would like to configure /etc/network/interfaces so that it connects to wifi when the cable is not connected, is it possible? Following is the content of /etc/network/interfaces (Ubuntu 15.04): ...
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0answers
45 views

debsecan Fix CVE on debian

I just installed debsecan on Debian 8.1 to view the vulnerabilities that I have, and there were quite a few. Searching the web I see that most of them have a fix but I don't manage to figure out how ...
2
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1answer
2k views

Debian's GNOME 3: remove users from login menu

I have upgraded to Debian Wheezy from Squeeze and all users, including system ones, such as qmail are visible on the GNOME 3's greeter. How do I hide them from this login menu?