Questions tagged [ubuntu]

Please don't use this tag just because your system is running Ubuntu. Use it _only_ if your question is somehow specific to Ubuntu only. Note that https://askubuntu.com is specifically dedicated to Ubuntu questions.

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2
votes
1answer
149 views

Unable to install package nextcloud-client on Ubuntu 19.10

I want to install nextcloud-client on my Ubuntu 19.10 (Eoan). To achieve this I followed the instructions: sudo add-apt-repository ppa:nextcloud-devs/client sudo apt-get update The update statement ...
0
votes
0answers
64 views

Fail to boot: mounting `/boot/efi` raises “IO charset iso8859-1 not found”

I was using Ubuntu 19.04 for some time and wanted to try the recently released Pop!_OS 19.10. I want to keep using GRUB, but Pop!_OS (or maybe I did it while trying to repair) mangled my bootloader, ...
1
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0answers
20 views

Systemd: How to unmount network mounts automatically on suspend

I have a few Ubuntu 19.04 (soon to be 19.10) systems running systemd, and they all mount NAS-served mounts using systemd units. I'm also using automount units to make sure the mounts are only mounted ...
1
vote
0answers
19 views

Unable to authenticate at docker-mailserver

I am running a docker-mailserver via docker-compose. The programm seems to run fine, it doesn't give any error messages. I can add user as much as i want and stuff, everything seems to be fine. ...
0
votes
0answers
18 views

Https redirects to nginx welcome page but http works well

conf file user www-data; worker_processes auto; pid /run/nginx.pid; events { worker_connections 768; # multi_accept on; } http { ## # Basic Settings ## passenger_root /usr/...
0
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0answers
20 views

No live boot from usb and restarting with a blinking white underscore in Ubuntu [HP Laptop] , Not taking any command?

My PC suddenly stopped responding after reboot. I tried using a bootable USB but nothing is appearing. I tried removing the battery too. Is this a hardware issue or my Ubuntu image is encrypted? A ...
1
vote
3answers
2k views

Difficult to find application installed in linux

I am new to linux, used to use windows. I am trying to convert to linux and I really love it. I am trying Ubuntu 14.10. I have a question about how to find the installed applications easily in Linux. ...
0
votes
1answer
1k views

Launch Win 7 from Grub Terminal?

I tried to install Ubuntu via Win 7 from my SD card where I used a program to mount the is file. I launched the installer from Windows and I asked the program to reboot and it launched Ubuntu from SD ...
-1
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0answers
17 views

How to get WiFi working on my Macs Ubuntu partition?

I have recently installed a Ubuntu partition on my MacBook Pro (running Catalina). The first challenge I have found is that, although Ubuntu sees available wifi networks, it will not connect to them ...
3
votes
2answers
1k views

How to start a custom service

I'm very new to Linux and the solution might be easy so excuse me for that. I'm trying to run an application called EnCase Remote Recovery, which basically takes a remote image of a system. In order ...
-1
votes
0answers
37 views

How can I get a pdf copy of the site that is not html?

I'm new to Linux and I'm struggling to get a copy of this site https://cbues.bibliotecasdigitales.com/read/9786077078715 to read without an internet connection, please, how can I get that copy in pdf ...
2
votes
1answer
1k views

SVN errors E170013, E120190 - An error occurred during authentication

I am trying to connect to my company SVN server in Ubuntu 16.04 and keep getting the following errors: $ svn list https://path_to_repo svn: E170013: Unable to connect to a repository at URL 'https://...
4
votes
4answers
28k views

How do I get my wireless USB mouse working

My wireless USB mouse is not plugging and playing. This is my first time using linux (Ubuntu 12.04) and I'm trying to get a development environment going to learn to use the shell, Python, and other ...
0
votes
0answers
26 views

Can't connect DS4 controller via bluetooth

I'm using Pop_OS 19.10 and befor (19.04) I was able to use my ds4 controller, It was very easy to set up. But now I have no clue on how to do it, I have tried a bunch of stuff.
1
vote
0answers
46 views

What are these `/tmp/_MEIxxx` directories?

I am seeing a bunch of directories with the same files in my /tmp directory. I'm wondering if what is generating those directories as there was cases when it generated to many that it filled up my ...
15
votes
2answers
14k views

Forcing zpool to use /dev/disk/by-id in Ubuntu Xenial

I'm giving the bundled OpenZFS on Ubuntu 16.04 Xenial a try. When creating pools, I always reference drives by their serials in /dev/disk/by-id/ (or /dev/disk/gpt on FreeBSD) for resiliency. Drives ...
2
votes
2answers
2k views

How can I run docker on diskless machines?

I want to run docker on diskless Ubuntu 16.04. I setted up PXE server and could run diskless ubuntu referring here. But when I run docker run --rm hello-world, the diskless machine returned following ...
8
votes
3answers
48k views

Access denied for a particular user by PAM account configuration

I am trying to setup a passwordless login from machineA to machineB for my user david which already exits. This is what I did to generate the authentication keys: david@machineA:~$ ssh-keygen -t rsa ....
43
votes
10answers
190k views

Finding files that use the most disk space

Is it possible to list the largest files on my hard drive? I frequently use df -H to display my disk usage, but this only gives the percentage full, GBs remaining, etc. I do a lot of data-intensive ...
0
votes
1answer
925 views

Can't set mp3 sample rate to 44.1k using sox

I am trying to overlay two files (merge them into one so they plat simultaneously). The options for sox --combine are sequence, concatenate, mix, mix-power, merge, and multiply. I've looked at the ...
-2
votes
0answers
23 views

Ubuntu how to remove small vertical element stick screen

I have a super weird issue: There is a small vertical element that got stuck on the screen and unable to remove, really annoying :/
0
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0answers
27 views

Installing java.xml.bind and Contiki-ng

I'm trying to install a program called Contiki-NG onto a Ubuntu build sitting in VMware on a Windows 10 station. In the process, I need to build an app called Cooja. I'm getting the following results: ...
5
votes
2answers
2k views

Cannot see packets arrive on application socket that were seen by Wireshark

Using Ubuntu 14 I have a Linux machine where there are two interfaces: eth1: 172.16.20.1 ppp0: 192.168.0.2 ppp0 is connected to a device which has a PPP interface (192.168.0.1) and a WAN interface (...
0
votes
1answer
1k views

Battery indicator problems after installing and uninstalling kubuntu-desktop package on Xubuntu 15.04 x64

A few weeks ago, I decided to get adventurous and install different interfaces on my Lenovo T420 running Xubuntu. I decided to jettison Kubuntu after trying it out (just not my style) and kept Xubuntu ...
0
votes
0answers
76 views

Cannot install synaptics driver. apt-get install xserver-xorg-input-synaptics leads to broken packages

I have just purchased a thinkpad and it has synaptic input device but ubuntu 18.4 does not come with synaptics touchpad driver. I am trying to implement the solution given here but running sudo apt-...
4
votes
2answers
6k views

Method http has died unexpectedly! Problem installing sublime text 3.0

I am trying to install Sublime Text 3.0 on Ubuntu 16.0 (via crouton). I follow the instructions but I can't get sudo apt-get update to work. I get the following error: Method https has died ...
0
votes
1answer
27 views

limits.conf is not working

I'm trying to set default niceness/priority for a user's processes on Ubuntu 18.04.3 LTS in limits.conf and everything I write in limits.conf is simply ignored. Hard nice, soft nice, hard priority, ...
0
votes
0answers
36 views

Difficulty in using persistent storage for Ubuntu 18.04 live usb

I've managed to set up an Ubuntu 18.04 live usb with persistent storage (I have casper-rw and usbdata) but can't seem to save my settings and added software... Can anyone help? Edit: I partitioned ...
0
votes
1answer
24 views

Copy & Paste unusable in KVM virtual machine (Ubuntu) when RStudio is running

Setup: Fedora 30 with a KVM/qemu virtual machine running Ubuntu 18.04.1. (This setup because I want to run RStudio and on my Fedora 30, and it just barfs & dies immediately somewhere in the ...
4
votes
3answers
595 views

Getting SCSI Tape Usage Info

I have a SCSI tape (/dev/st0) and I would like to get information about how much of it is used. How can I do that, preferably with a command?
0
votes
0answers
33 views

Ubuntu Corrupts BIOS on Ryzen 3000 Machine

I have a PC with an Asrock B450M Steel Legend motherboard and a Ryzen 3700X CPU and I occasionally boot Ubuntu from the live DVD. Unfortunately it looks like Ubuntu is corrupting the BIOS though. ...
0
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0answers
12 views

Stuck at chapter 6.7 of lfs

I have been doing lfs inside vm on my system and through live Ubuntu cd.I am getting core dump or segmenatuon fault in make mrproper step of chapter 6.7.Please can somebody help on what to do..since I ...
1
vote
1answer
2k views

CUPS stops printing right after a while

I've converted an automatic printing system from Windows with Acrobat Reader to Ubuntu with CUPS. This took about 10 minutes using CUPS, but now I'm getting a strange issue with incomplete prints ...
0
votes
0answers
49 views

How to solve 'rsync' errors?

I have been trying to cross-compile Raspberry Pi applications from Ubuntu 18.04.3 to the Raspberry Pi 3 with Qt 5.12.5. The guide I used is from here: https://mechatronicsblog.com/cross-compile-and-...
3
votes
3answers
136 views

How to Swap Partition Size For Domestic Ubuntu

Trying here to do an installation of Ubuntu 18.04 LTS, focusing on domestic surveillance with some ip cameras. There will be about 12 cameras, which we are going to add in Zoneminder with images ...
-1
votes
0answers
29 views

how to connect to open network in linux

I am making a python wifi utility which executes nmcli command in linux. Issue is when i am trying to connect open network (i.e. one which doesn't have password). First time it is getting connected, ...
1
vote
2answers
2k views

ufw allowed port 9999 but connection refused

port is allowed however connection is refued? # sudo ufw allow 9999/tcp Rule added Rule added (v6) When I check status # sudo ufw status 9999/tcp ALLOW Anywhere 9999/tcp (v6)...
5
votes
1answer
598 views

How do I know when I installed package FOO

I was wondering if I installed 'Tor' on my Ubuntu 14.04 or it was shipped as a default package since I hadn't remembered installation by myself. So what's the way to find out if a package is user-...
33
votes
5answers
166k views

How to correctly set hostname and domain name?

I am renting a server, running Ubuntu 16.04 at a company, let's name it company.org. Currently, my server is configured like this: hostname: server737263 domain name: company.org Here's my FQDN: ...
91
votes
5answers
121k views

Unable to locate package `docker-ce` on a 64bit ubuntu

I'm trying to install Docker on a Ubuntu 64 machine following the official installation guide. Sadly Ubuntu seems it is not able to locate the docker-ce package. Any idea to fix it or at least to ...
1
vote
1answer
1k views

WiFi not working properly in Ubuntu 14.04 LTS on Macbook Pro

I just installed Ubuntu 14.04 LTS on my Macbook Pro. Everything seems to work fine except the WiFi. The wireless connection is very slow and intermittent. Wired connection works like a charm however. ...
2
votes
1answer
26 views

Allow all users to create folders in HDD, but only owners can read/write/delete their own folders

On Ubuntu 18, I have mounted an external drive in /mnt/hdd/ and then I have changed its permission with sudo chmod 777 /mnt/hdd/. In this way, all users can write in this external HDD. However, in ...
0
votes
0answers
41 views

Installing OpenSSL 1.1.0

I am trying to connect to an instance of SQL Server 17 running on my Ubuntu 18.04 machine, using Azure Data Studio, and after a long session of brainstorming, I discovered that it depends upon OpenSSL ...
1
vote
1answer
1k views

How do I get an /HP Officejet Pro 6830 printer to work with Ubuntu?

I just hooked-up an HP Officejet Pro 6830 All-in-One Series printer. The install went w/o flaws. However, when printing from my computer, after printing several lines, the printing is squished ...
1
vote
2answers
45 views

How to keep a process running indefinitely on ubuntu server

Very new to linux, I am using screen to keep running background processes. For example, I have some Flask REST API's and I run their configuration-file using: uwsgi --ini path_to_file/file.ini ...
0
votes
1answer
25 views

New ubuntu install need to clean second disk

I have installed Ubuntu on my old laptop to give him a second life. I installed Ubuntu on the 24gb SSD. But the old Windows10 partition is on the 1tb HDD. Now every time I boot the system it asks ...
0
votes
1answer
1k views

Starting Resque worker with script doesnt work, starting by hand does

I am trying to figure out why my process doesn't work if started via a script, but works fine if started by hand. Here's the details: script is a resque worker start script. The script location is /...
0
votes
1answer
148 views

How to resolve problems connecting to Samba4 Active Directory Domain Controller on Ubuntu Micro AWS Instance

I'm trying to set up a Active Directory Domain Controller on an Ubuntu 16.04 instance on Amazon's EC2 micro services. I do everything right (following at least three different tutorials) and get all ...
1
vote
1answer
1k views

Can Not Install JStock on Ubuntu (zorin 7)

Trying to install Jstock on a Linux Ubuntu Box. As a new user trying to install this product. I have received this error after following instruction - on to a Ubuntu (Zorin7) system. Instructions ...
0
votes
1answer
28 views

Which Debian-based distros gives clear easy dual boot setup w/Windows10?

Which Debian-based distros gives clear easy dual boot setup w/Windows10? My Windows10 is currently encrypted with BitLocker using TPM module and I'd like to also encrypt Linux with password or ...