[linux:ubuntu] Forum Topics

Hello everyone, I'm in the early planning stages of a personal project to set up a smart home automation system using a Linux-based Raspberry Pi setup. My background is in electronics and embedded systems, but I'm relatively new to working with Linux for this kind of application. I’m hoping to …

Hi I want to run a chess tournament that uses Android tablets as the input for each player. These tablets will be placed on a table, where at the end of the table there will be a pc running Ubuntu. The tablets will communicate with eachother using Bluetooth. The tablets …

I wanted to set up a nextcloud server so that I can remotely access my cloud without relying on outside servers. I am using ubuntu linux.

how to get job as linux adminstrator can i also work as network admin or analyser i am biggner in cybersecurity can any one help me for that..

I watched both grow , from their early beginnings , because our current servers are on CentOS and of course I am not happy with where CentOS has gone. Because the CentOS lesson , I have been really caution and I am a little bit too worried from witch one …

Want to buy a Dell machine loaded with Linux? Shame, as it appears that Dell Europe would really rather you bought a Windows-powered one, despite having a website devoted entirely to selling Dell Ubuntu laptops. And, oh boy, does it use some strange arguments to dissuade you from becoming a …

I am trying to set-up Postfix on my Ubuntu local web development machine for send-only e-mails using Gmail so I can test e-mails sent by a web app I am developing. These are the steps I have followed based on a recently posted tutorial found [here](https://tonyteaches.tech/postfix-gmail-smtp-on-ubuntu/): 1. Dowloaded and installed …

I want to list services currently installed in an ubuntu box. Also want to list the status of the listed services. Thanks.

Hello, there. Before a lot of years, my main work in computer was made with Ubuntu because I have a computer without an official bought Windows version and I was afraid from a not legal work. When I bought this PC, in spite of that i made a double entry …

Hello Dani Web, I have written a program that needs to run on Ubuntu 14.0. It runs on Windows 10 and will compile in Replit. But I get this error in Replit. Can anyone figure out why? I assume it's in relation to my pointer "highScore". Can anyone figure out …

I installed AdGuardhome in my linux server (ubuntu 20.0.4).Howver I can't access internet if I set the IP of AdGuadhome server as the only DNS address. So I usually set the a second DNS address for my terminal devices. I want to know why this happened? The upstream DNS set …

> import numpy as np > import scipy.io.wavfile > from scikits.talkbox.features import mfcc > sr1,x1=scipy.io.wavfile.read("filename.wav") > ceps1,mspec1,spec1=mfcc(x1) I can obtain MFCC values as above. Now, I have 100 songs with 2 different music genres(electronic,jazz). And, I want to create a dataset with using these songs. I suppose I will use …

I'm trying to run VirtualBox in Ubuntu. I just created a machine but when I run it I get this error message: Failed to open a session for the virtual machine Windows7_inLinux_2021_01_30. VT-x is disabled in the BIOS. (VERR_VMX_MSR_VMXON_DISABLED). Result Code: NS_ERROR_FAILURE (0x80004005) Component: Console Interface: IConsole {8ab7c520-2442-4b66-8d74-4ff1e195d2b6} Help? Thanks. …

Hi friends, I am a newbie to Assembly Language programming, I don't know whats the equivalent Assembly code for NASM compiler and moreover is there any compiler available for ubuntu so that I can run my TASM code as it is? Here is my simple code that works fine in …

When I boot into linux (Ubuntu, I'm not sure which version, a recent one) I get this error: " Oh no! Something has gone wrong. A problem has occurred and the system can't recover. Please contact a system administrator. " I understand that I should boot from a DVD or …

I want to list services currently installed in an ubuntu box

I recently installed Linux on my computer to enjoy a more versatile Ruby on Rails programming environment. The computer already had Windows 7 installed. However, I lost the booting path for windows after the installation. Currently, I cannot boot into Windows. Does anyone know how to edit Grub to allow …

I'm trying to save something on my external HD, but I get this error: Unable to access "TOSHIBA EXT" Not authorized to perform operation (polkit authority not available and caller is not uid 0) I made a snapshot of the error window, but that doesn't go to well either. I …

; Data section .data extern printMSG extern exitNormal extern printRAX extern printRBX extern printRCX extern printRDX extern getByteArray extern printByteArray extern printEndl startPrompt db "Welcome to the amazing dice game, press enter to start " startPromptLen dq 54 rerollPrompt db "Enter any numbers you want to keep " rerollPromptLen dq …

I have an auxillary optical drive. It has been plugged in for a long time, but I almost never use it. I just noticed it has a DVD in it. Apparently, I downloaded an ISO of Linux Mint 19.1 with plans of learning the OS. But just what 'type' of …

My Java Sir told me to install MySQL-server, workbench, and connector. I did that somehow after spending 30+ hours reading different posts. After launching Workbench, I went to Tools > Start Shell for MySQL Utilities. Which gave me this popup: https://imgur.com/GQvHKsI Pressing Download option redirected me to this website: https://imgur.com/ETr2nrY …

I've discovered a weird problem with my Linux Mint-system (Linux Mint 18). After rebooting my system (or restarting as well) I got the GRUB menu, but my keyboard is not responding... So I have to wait for the timeout to get my system booted. The keyboard is wired to the …

Hi chaps, I have a Dell XPS17, dual booting with Windows and Ubuntu on it. I have to give it away and therefore reinstall windows. Usually, I'd format the whole HD and reinstall Windows, but I don't have the Windows CD – it wasn't dispatched with the laptop unfortunately – …

What are your thoughts on systemd vs upstart? which one is better?

Hi, I am using an Apache tool called Sentora, which forces me to have my [root] directory to be etc/sentora/panel .......causing me the big problem of killing my browsing to /var/www/html as my [root] folder, rendering it unreachable. How can I set up both (and more) using vhosts? Thanks.

Deleting a table data from adminer,It is showing error unable to "unable to open database file"..But command line sqlite3 delete query is working in ubuntu.

Hi guys I just joined this community and I'm looking forward to being a part of it. This is my first programmer forum that I've joined and I think I joined because I want to become a better programmer. I'm in my second year at Kent State studying Computer Science, …

i want to change (.php) to my own extension like (.abc) and it should work like php page in lighttpd server in ubuntu os. Anybody knows how to do this?

Hey, can you help me with convert the web.config to a .htacces file? <?xml version="1.0" encoding="UTF-8"?> <configuration> <system.webServer> <defaultDocument> <files> <clear /> <add value="index.php" /> <add value="_seiten/index.html" /> <add value="seite.php" /> </files> </defaultDocument> </system.webServer> <system.webServer> <handlers> <clear /> <add name="PHP53_via_FastCGI" path="*.php" verb="GET,HEAD,POST" modules="FastCgiModule" scriptProcessor="C:\Program Files (x86)\PHP\v5.3\php-cgi.exe" resourceType="Either" /> <add name="PHP54_via_FastCGI" …

So I realise my title may be rather vague but I honestly don't know how else to word it. Essentially what happened was I was having difficulty installing Ubuntu onto my new server rig I built, so I plugged the HDD into a dock on my Win10 rig and installed …

Today I just put a new SSD in my desktop. I did have a little trouble booting up the OS because I had plugged the DVI into the wrong port, when I couldn't see the monitor I did end up turning off the computer several times before I finally found …

i have installed nasm in ubuntu in linux but dont know how to and where to write code of assembly language and run my code please give me information as soon as possible.

hi there, I'm coding in windows, c++, but when I traslate my code to ubuntu, g++, I get this error: [B]lvalue required as left operand of assigment[/B] This is the line where I get the error: [COLOR="Red"][/COLOR][CODE]&*raiz=&*p;[/CODE] What could be the problem? *raiz and *p are pointers to an avl …

hello everyone gld this community exist ! i'm facing new problem with apache2 on ubuntu i'm using lamp from yesterday and everything works fine knowing that i'm originaly from windows ! so when i type `gksu service apache2 start` in terminal and then put my password, when i refresh localhost …

I have configured node V6.10.3 and npm 3.10.10. I have attached the screen shot kindly please check. My platform is ubuntu 14. I have run the command : npm start after that only blan page opening htt://localhost:4200 Kindly help me to get this problem resolve.

I am trying to create databases in Ubuntu 14.04 running LibreOffice 4.4.3 and can not due to not connecting with JRE or JDK. Research carried out and things I have tried lead me to understand I need JDK-8 now instead of JRE. Is this accurate? JDK-8 and Java 8 are …

(Ubuntu Server) I have a folder full of files in pairs (one is a log, another is a DB backup) They are basically create/modified at the same time. I need a shell script that detects if the folder has more than 28 or 30 files (always will be a pair), …

Hi. I wasn't sure which topic this falls under as it sort of concerns both OS and this is, I'm sure, a **really noob** (I want to start learning linux) question but can i use one pen drive between the 2 different OS's? Earlier I was using my pen drive …

Hello. I am a newcomer to Daniweb and need some advice. I've been using Ubuntu regularily on several PCs and note books installing without problems until now. I have just purchased an Acer Aspire ES 11 (ES1-132-CONU) that is using an Intel Celeron Quad Core 3450 processor launced Q3'16 possibly …

Is there any IDE that runs on Ubuntu and has a Visual Designer for VB.net?

A while back I built a computer with an Asus motherboard, a SSD, and two milk creates for a cheap case, and I had Xubuntu installed on it. I have tried to install Xubuntu on it again several times today but it always fails to create the partitions. I keep …

What has gone wrong with DaniWeb? It is no longer normal usable on the Ubuntu Phone.

Hi, I am writing a library that does some heavy computation, and so I have been trying to speed things up with some low level parallelism. My machine runs Ubuntu 16.04, and is an old i7, but has four virtual cores. I tried to use openMP, and while it runs …

I wrote and run this code in Windows, in DEV C++ but I am keep getting a Segmentation fault on Ubuntu's terminal when I try to run this program. Here is my whole code. #include<iostream> #include<string> #include<fstream> #include<cmath> using namespace std; int Str2NumByAscii(const string& str); // convert string to number …

Linux Mint (Ubuntu). I'm looking for a way to encrypt some of my external HDDs. I was looking this option over -> https://www.howtoforge.com/tutorial/encrypt-your-data-with-encfs-on-ubuntu/ but I'm not sure how well this would work. I read this on the top portion of the site -> "It is a pass-through filesystem, not an …

I installed windows 10 and it works good , then I installed kali-linux and that problem apears. when i open my computer it goes directly to windows not to dual boot (bootloader) to choose between the windows and kali .. I tried the live USB solution but nothing happen.. it …

Hi.. Am currently working on TI DRA74x Jacinto 6 board. It has ARM core A15 and M4. and 1 DSP C66X. am working on image processing so I want to use both ARM A15+DSP C66x.Am running the code only on ARM A15.(ubuntu 12.04 with kernel 3.14) but processing speed is …

I'm not that new to computers. I know couple scripting languages (web, JavaScript, C#, C++). I know hardware terms. I had a taste of Mint, Ubuntu and others. I'm not a super-newbie, I understand how arguments work and on which base are they executed. I don't know bash. But I'd …