Questions tagged [ubuntu-18.04]

GENERAL UBUNTU SUPPORT IS OFF-TOPIC. Support questions may be asked on https://askubuntu.com/. This tag should be used only for WRITING OR RUNNING PROGRAMS specifically in Ubuntu 18.04. If your question applies to other versions of Ubuntu, use [ubuntu] instead. If your question applies to other distributions of Linux, use [linux] instead.

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How do i remote wake (un-sleep) a laptop (that doesn't support WoL)

My laptop (ubuntu 18.something LTS) doesn't support wake-on-lan but i'm ok not shutting it down all the way and just leaving it on sleep mode but how do i wake it remotely from that or is there some ...
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12 views

Redis 5.0.5: WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128

I have windows 10 home, where is installed Ubuntu lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.04.2 LTS Release: 18.04 Codename: bionic ...
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11 views

Command 'node' not found, but can be installed with: sudo apt install nodejs

I wanted to install bitnami nodejs stack on Ubuntu 18.04. after installing terminal isn't recognizing node command. I even can't check node version. After installing i have tried to check for node ...
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0answers
32 views

Postfix/Dovecot mail server sends emails but doesn't receive from any source [on hold]

I have a droplet on digitalocean with some domains in which I have an A record for mail.somaslounge.de pointing to another droplet which has the mail server. I am able to send emails correctly, they ...
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4 views

Trying to “make uninstall” redis-4.0.10 after to had “make install” redis-5.0.5 in Ubuntu

I have Windows 10 (Home) and I have installed Ubuntu 18.04 lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.04.1 LTS Release: 18.04 Codename: ...
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7 views

Site is not coming after ModSecurity OWASP installation testing

Site is not coming rather gives https://example.com is taking too long to to respond and I can't access my instance through SSH without restarting it from AWS console. I installed ModSecurity for my ...
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1answer
13 views

Cron job (python script) not writing json file

Ubuntu machine 18.04 running on AWS EC2. I have a python script that polls an API and writes the results into a json file in the same directory. I have set up a cron job that runs it every 5 minutes. ...
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0answers
10 views

How to downgrade from libmsodbcsql-17.3.so.1.1 to libmsodbcsql-17.2.so.0.1

I ran the following code in Ubuntu: $ sudo su followed by: curl https://packages.microsoft.com/keys/microsoft.asc | apt-key add - curl https://packages.microsoft.com/config/ubuntu/...
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12 views

Supported versions of nginx

Trustwave PCI (Payment Card Industry) compliance has just failed with 'The remote host is running a version of nginx that is no longer supported'. I am running the latest LTS version of ubuntu server ...
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24 views

How to recover my all my 5 hours back data that was lost after snapshot restore Ubuntu 18.04 Server [on hold]

I am using Ubuntu 18.04 LTS server. I have lost all my current works when i restore snapshot. Now how i can recover my all my 5 hours back data that was lost after snapshot restore? Thanks
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21 views

SAGA-GIS on Ubuntu 18.04 doesn't install

I try to install SAGA-GIS in Ubuntu 18.04 without success. I'm reading several posts and first I make: sudo add-apt-repository ppa:johanvdw/saga-gis sudo apt-get update sudo apt-get install saga ...
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1answer
12 views

How can I use Jenkins CI to save git repo files into a local folder?

All I need is for Jenkins to save the contents of my Git repository (which is a collection of php scripts) to a local folder on my machine. The reason why this is more than just cloning the ...
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0answers
10 views

Traceback (most recent call last): File “./odoo-bin”, line 5, in <module>

Traceback (most recent call last): File "./odoo-bin", line 5, in import odoo File "/opt/odoo/odoo/odoo/init.py", line 73, in import babel ModuleNotFoundError: No module named '...
1
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1answer
24 views

Unable to run a manage.py command from app/views.py via subprocess

Python/Django newbie here! In my new project, I am able to load the django template pages and the admin section, as well as update and delete things from the admin... I've been able to collectstatic ...
1
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1answer
15 views

pandoc: Unknown reader: gfm

I'm trying to use pandoc (version 1.19.2.4) on Ubuntu 18.04 to render github flavoured markdown with: pandoc --from gfm --to html README.md This gives the error pandoc: Unknown reader: gfm. I guess ...
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0answers
22 views

How to flash the kernel image on android device?

I am trying to learn the kernel customization and for this I have target OnePlus 6T device. I am able to compile the kernel source code on my Ubuntu 18 with the following steps: Download latest dtc ...
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0answers
13 views

How do I enable access-period on freeradius 3.0 for daloradius

I am trying to enable access-period on free radius 3.0, I have added access-period module and authorize. sqlcounter accessperiod { counter-name = Max-Access-Period-Time check-...
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0answers
15 views

gitlab server timeout after configuring custom port

I am struggling to get gitlab available from Apache web server. I have successfully installed gitlab and run it with embedded nginx. I have also successfully activated https. But when I try to change ...
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0answers
18 views

SSL Exception with ASP.NET Core and IdentityServer4 on Ubuntu

I have an ASP.NET Core application with an Angular 7 SPA using IdentityServer4 with OAuth 2.0 resource owner password grant with Entity Framework storage. This code works on Windows using IIS and I'm ...
0
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1answer
6 views

Firefox snap cannot open other apps using links

I'm running Ubuntu Budgie 18.04 LTS. I installed firefox as a snap. It runs well, but when I try to open another app from within firefox, I can't. For example: trying to open a document with ...
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48 views

Second video source /dev/video1 not working in python ubuntu

I am trying to use epiphan SDI2USB with ubuntu 18.04. I downloaded the correct driver from their support site and the driver is correctly installed. My kernel version is 4.15.0. If I try to run vlc ...
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1answer
24 views

kivy does not use touchscreen (in ubuntu touchscreen is working correctly)

I got an ubuntu 18.04 lts fresh install on x86. Connected is a iiyama touch screen. Off the box under ubuntu touchscreen support is active and working. My Kivy app does not work with touchscreen ...
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1answer
9 views

How to install nepali unicode traditional in ubuntu18.04

How do i add nepali unicode traditional in ubuntu system, i tried this one https://askubuntu.com/questions/965671/how-to-install-nepali-unicode-traditional-font-in-ubuntu-16-4 which didnot work for ...
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1answer
22 views

How can I remove tomcat 9 installation from my ubuntu 18.04 machine?

What commands must I run so that I can unistall tomcat9 and install tomcat8. The reason I am doing this is that I cannot get fuseki.war to run as application. I get FAIL - Application at context path ...
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3answers
35 views

Missing connections in Dymola Diagram view

I am using Dymola to design a small model of some DC motors and a power source. After I finished my work I saved everything and closed Dymola. When I opened it the next time some (not all) of the ...
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0answers
36 views

How to fix 'ModuleNotFoundError: No module named 'apt_pkg'?

I'm running code sudo apt update and fetch error ModuleNotFoundError: No module named 'apt_pkg'. Please, help me solve it. sudo apt update Hit:20 http://ppa.launchpad.net/xorg-edgers/ppa/...
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1answer
23 views

How to fix these problems regarding phpMyAdmin?

How can I fix this problem regarding phpMyAdmin? https://prnt.sc/nqtdkd The errors occurred when click the Export/Import from the menu tab. I can't proceed when creating table also because of: ...
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0answers
12 views

screenshot - missed option “Take a Screenshot of a Selected Area” on right-click on dock [migrated]

In Ubuntu 16.04 there was the option "Take a Screenshot of a Selected Area" by right-click on the screenshot app on the dock. In Ubuntu 18.04 this option is gone away... How to restore it? The org....
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0answers
11 views

change fonts in ubuntu 1804 automatically

I installed some fonts in my ubuntu and after reboot the font of chrome and firefox has been changed! what is this font in ubuntu ?!! how should I change it? I tried change it using teak but in ...
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1answer
60 views

Stop Docker from creating root dir when external drive is disconnected?

Using linux (Ubuntu 18.04) I have an external hard drive I use for my docker root dir. All my images are pulled and stored on this external drive. Docker's root dir is set to /media/<username>/...
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0answers
9 views

I have a python packet sniffer that captures pcap file into my system. I want run this program without asking for permission

I have a python packet sniffer that captures pcap file into my system. I want to run this program without asking for permission. Is there any solution for this. I am running this program in node js ...
0
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2answers
25 views

No OpenCL / HSA support for rx 470 / vega 8 on Ubuntu 18.04 using ROCM

I installed ROCm, ROCm-Tensorflow and PlaidML on a fresh installation of Ubuntu 18.04 using the instructions given on: https://rocm.github.io/ROCmInstall.html https://rocm.github.io/QuickStartOCL....
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0answers
11 views

Mongo service started failed when dbpath changed in configurations file

I am on ubuntu 18.04.2 I installed mongo with package: sudo apt-get install mongodb and the version is MongoDB shell version v3.6.3 git version: 9586e557d54ef70f9ca4b43c26892cd55257e1a5 OpenSSL ...
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0answers
34 views

'Could not handshake' : Error while doing sudo apt-get update

I am trying to install QGIS 3.4 on my Ubuntu 18.04. I am following instructions given at QGIS website. I have also updated my /etc/apt/sources.list file as below. deb https://qgis.org/ubuntu-ltr ...
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19 views

I am not able to find my device_code.defconfig file in config folder of the source

I am trying to compile/build a custom kernel for "Asus_zenfone_max pro_m1" so i have downloaded the kernel source from the manufacturer's website but i see that there is no "defconfig" file present ...
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0answers
19 views

Killing a node app process at running at specific port [closed]

I'm running my node app at port 8080. I have terminated that app by using Ctrl+C. But it is still running. How can I kill a process at a specific port? sudo kill -9 pid
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22 views

how to access the second hard drive

I cannot access the second hard drive installed on my laptop whose OS is Ubuntu 18.04. I can see the additional hard drive physically on my laptop (nvme1n1 259:0 0 953.9G 0 disk, nvme0n1 259:1 ...
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1answer
54 views

c++ regex_match Ubuntu vs Win 10's Ubuntu

I have some strange behavior while using both Ubuntu and Ubuntu on Win 10 (WSL). Both versions are 18.04 and GCC, and I'm compiling with these flags: -std=c++11 -g. My problem is that I have this ...
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1answer
22 views

How do you update Powershell Core to latest version on Ubuntu 18.04

I have an Ubuntu 18.04 VM with Powershell Core 6.1.2 installed and I want to update it to the latest PowerShell Core version. How do I do that? Do I follow the install instructions at https://docs....
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0answers
6 views

Recover home directory after deluser on ubuntu 18.04

I deleted a user with the command deluser --remove-home Kevin and, in addition to eliminating user Kevin and his home directory, it also deleted the contents of my user's home directory (my user is ...
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0answers
11 views

failed to start session, while logging in ubuntu 18.04 LTS [closed]

ubuntu login screen throws an error while trying to login, "failed to start session". I opened terminal tty1 and tried to install ubuntu-desktop, but it throws error: the following packages have ...
2
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2answers
63 views

How do I use curly braces to create multiple directories in a single command via “shelljs”?

If you run this command in a Linux terminal: mkdir -p ./dist/{articles,scripts,stylesheets} It'll create the following folder tree (in the current directory): dist |- articles |- scripts |- ...
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1answer
33 views

GitLab asking for passwort after adding SSH-Keys

Dear resolved-error.community, I created ssh-keys following this (https://gitlab.com/help/ssh/README) instruction. I added the ED25519 SSH key pair to the GitLab profile on the webpage and if I do ssh ...
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0answers
6 views

Tupelo execuatble file(for RPC server) installation on Ubuntu

I have downloaded (https://docs.quorumcontrol.com/download) and trying to install Tupelo RPC server on ubuntu.I have drag& drop downloaded file in terminal and Below is the screenshot of steps ...
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0answers
24 views

npm start fails with events.js:174 throw err; on Ubuntu 18.04

I have been trying to get the basic electron-quick-start demo working on Ubuntu 18.04. Everything works up to the point that I try: npm start at which point I get this error: > electron . events....
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1answer
15 views

Odoo 12 installation fails due to python setup.py install

I am trying to install Odoo 12 in Ubuntu 18. There is an official document here:- https://www.getopenerp.com/install-odoo-12-on-ubuntu-18-04/ There are many steps. All succeed except the following:- ...
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9 views

Inheriting File Permissions

I have a reasonably good understanding of permissions in linux and get how to set them. But recently been having some trouble with putting files into the server with the permissions I want from my ...
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0answers
73 views

Does inserting the region in /etc/default/crda speed up wifi connection? [migrated]

I noticed that with Ubuntu 18.04 LTS the wifi connection speed is lower than with the older version, significantly while using hotspot from smartphone, very very slow in upload. I found on the web ...
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0answers
10 views

Sqlalchemy IO and Operational errors

I am using Ubuntu 18.04 as part of the WSL (Windows subsystem for linux).The python version is 2.7 and sqlalchemy version is 0.7 which is required for the python package pele, (https://github.com/pele-...
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0answers
21 views

Unable to run flutter on wifi Ubuntu 18.04.2

I am trying to run my flutter application on wifi, but it still tries to connect to the proxy that I've already removed. In my collage there is a proxy server, using it I used to run flutter ...

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