Recent questions tagged ubuntu

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ubuntu - Using Bluetooth low energy in linux command line

I am working on using the Bluetooth low energy modem with Linux. I am using the command line option for that i.e. hcitool . I am able to ... observation is those services are rendering from the machine. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ubuntu - How do I resolve `The following packages have unmet dependencies`

I was using this script to install basic software, but had to interrupt because of slow internet speed. Now when I hit $ sudo apt-get install npm ... to correct problems, you have held broken packages. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ubuntu - E: Unable to locate package mongodb-org

I am trying to download mongodb and I am following the steps on this link. But when I get to the step: sudo apt-get install -y mongodb-org I get ... error Why is this occurring and is there a work around? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ubuntu - MongoDB won't start after server crash

My Ubuntu computer had crashed, and when I restarted it MongoDB wasn't working. I tried the following commands, and got the following output: $ mongo Error: ... layout.) What happened? How can I fix it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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802 views

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ubuntu - How to download all files (but not HTML) from a website using wget?

How to use wget and get all the files from website? I need all files except the webpage files like HTML, PHP, ASP etc. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ubuntu - libffi.so.6: cannot open shared object file in rails

I'm newbie in rails and I'm working on Ubuntu 19.10 yesterday I decide to upgrade my OS to new version every things is going fine after upgrading finished ... because ffi-1.13.1 is installed on my OS See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ubuntu - There are 0 datanode(s) running and no node(s) are excluded in this operation

I have set up a multi node Hadoop Cluster. The NameNode and Secondary namenode runs on the same machine and the cluster has only one Datanode. All the ... compute.internal Why I am still geting the error? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ubuntu - Is it possible to answer dialog questions when installing under docker?

Is it possible to somehow answer the questions that are presented as dialogs when installing some packages using apt-get? For instance I'm trying to ... scripts do it so everything gets set properly. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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863 views

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ubuntu - How to Run Python Code on SublimeREPL

I really like using sublime text 2 to write Python codes, however any time I try to run a script which has an input, the sublime text console ... do the same with SublimeREPL. Thank you in advance! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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956 views

1 answer

ubuntu - How do I add a CA root certificate inside a docker image?

I am running an ASP.NET Core 1.1 Web API in a Docker 1.13.1 container on Ubuntu 14.04. When the code attempts to retrieve some data from an HTTPS server, I get ... I do it? 3) If not, how do I fix this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ubuntu - How to fix git error: RPC failed; curl 56 GnuTLS

I use Ubuntu 16.04. When I want to git push origin master I get: error: RPC failed; curl 56 GnuTLS recv error (-12): A TLS fatal alert ... fatal: The remote end hung up unexpectedly Everything up-to-date See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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ubuntu 13.04 - 'Failed to unlink socket file" error in MongoDB 3.0

I am new to MongoDB. I am trying to install MongoDb 3.0 on Ubuntu 13.0 LTS, which is a VM on Windows 7 Host. I have installed MongoDB ... Fatal Assertion 28578 2015-04-23T00:12:00.931-0400 I - [initandlisten] Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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ubuntu - Bash: Syntax error: redirection unexpected

I do this in a script: read direc <<< $(basename `pwd`) and I get: Syntax error: redirection unexpected in an ubuntu machine /bin/bash --version ... -gnu) Copyright (C) 2007 Free Software Foundation, Inc. Why the error? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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856 views

1 answer

ubuntu - Docker error : no space left on device

I installed docker on a Debian 7 machine in the following way $ echo deb http://get.docker.io/ubuntu docker main > /etc/apt/sources.list.d/docker.list ... is, which space is this referring to and how do I configure it? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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ubuntu - Building R package and error "ld: cannot find -lgfortran"

I'm trying to install the package lars. Ubuntu 11.04 Natty 64-bit. From building I get: * installing *source* package alarsa ... ** libs gfortran ... already removed and reinstalled gfortran. What do I need to fix this? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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ubuntu - Error "gnu/stubs-32.h: No such file or directory" while compiling Nachos source code

I am trying to install Nachos on my laptop and I have Ubuntu 11.04 on the laptop. The code is in C and so to build it I assume I will need ... os_f08/217.htm and everything is working fine except when I try to use make. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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862 views

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ubuntu - ERROR 1130 (HY000): Host '' is not allowed to connect to this MySQL server

This question already has answers here: Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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ubuntu - Docker Error bind: address already in use

When I run docker-compose up in my Docker project it failes with the following message: Error starting userland proxy: listen tcp 0.0.0.0:3000: bind: ... I've already tried docker-compose down, but it doesn't help. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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948 views

1 answer

ubuntu - Allow docker container to connect to a local/host postgres database

I've recently been playing around with Docker and QGIS and have installed a container following the instructions in this tutorial. Everything works great, although I ... I imagine! I'm running Ubuntu 14.04; Postgres 9.3 Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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733 views

1 answer

ubuntu - Installed Ruby 1.9.3 with RVM but command line doesn't show ruby -v

Here's the console output: sergio@sergio-VirtualBox:~$ rvm list rvm rubies ruby-1.9.3 [ i386 ] sergio@sergio-VirtualBox:~$ rvm use 1.9.3 Using /usr/share/ ... off the bat? I'm using Ubuntu 11.10, any help is appreciated. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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ubuntu - Python handling socket.error: [Errno 104] Connection reset by peer

When using Python 2.7 with urllib2 to retrieve data from an API, I get the error [Errno 104] Connection reset by peer. Whats causing the error ... reset by peer error: Forever detected script exited with code: 1 Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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898 views

1 answer

ubuntu - What is the correct version of CUDA for my nvidia driver?

I am using ubuntu 14.04. I want to install CUDA. But I don't know which version is good for my laptop. I trace my driver that is: $cat / ... Could you help me resolve that problem? I reinstalled my Ubuntu many times. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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797 views

1 answer

ubuntu - What are the differences and similarities between ffmpeg, libav, and avconv?

When I run ffmpeg on Ubuntu, it shows: $ ffmpeg ffmpeg version v0.8, Copyright (c) 2000-2011 the Libav developers built on Feb 28 2012 13:27:36 with ... I found avconv on http://libav.org. I am just perplexed by them. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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785 views

1 answer

ubuntu - MySQL: How to reset or change the MySQL root password?

How do I change the MySQL root password and username in ubuntu server? Do I need to stop the mysql service before setting any changes? I have a phpmyadmin setup as well, will phpmyadmin get updated automatically? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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783 views

1 answer

ubuntu - Running a cron every 30 seconds

Ok so I have a cron that I need to run every 30 seconds. Here is what I have: */30 * * * * /bin/bash -l -c 'cd /srv/last_song/releases/ ... 04 that will be a better option? Is there a way to fix the above cron? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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809 views

1 answer

ubuntu - What's the easiest way to install a missing Perl module?

I get this error: Can't locate Foo.pm in @INC Is there an easier way to install it than downloading, untarring, making, etc? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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756 views

1 answer

ubuntu - joining two files based on first column IDs

I have two files, with the pattern file1 (smaller file) 001 word1 002 word2 ... .... 00n wordn file2 (bigger file) 001 word3 002 word4 . ... from:https://stackoverflow.com/questions/65829613/joining-two-files-based-on-first-column-ids...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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911 views

1 answer

ubuntu - VPN connects but I can't connect to any remote server

I need to use Forinet VPN client to connect to servers from my work. I have 2 laptops, both with Ubuntu. The oldest one can connect via VPN to ... ://stackoverflow.com/questions/65830477/vpn-connects-but-i-cant-connect-to-any-remote-server...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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