ubuntu-server

问题 Is such a thing even possible? Is there a possibility to create a virtual sound card and then use for example PyAudio to listen to its output and save it to a file? NOTE that there is no hardware soundcard present on the machine. I have tried a lot of things, especially snd-dummy ALSA module, but I am starting to doubt if I am looking for the right tools. I would be grateful if someone could point me towards at least high-level solution. Preferably something that would work on Ubuntu server.

问题 I've set up a linux VM using Azure and I have the public IP from that machine. I've cloned my repo inside that machine and I run dotnet run and I get the output: Hosting environment: Development Content root path: /home/g67Admin/projeto_integrador_grupo67/mdv Now listening on: https://localhost:5001 Now listening on: http://localhost:5000 Application started. Press Ctrl+C to shut down. Then I try to go to: https://(public IP):5001/api/Drivers and I cannot access it, gives me this error ERR

问题 I tried installing docker on a server of mine using this tutorial. I want to run docker images remotely and use the portainer web-interface to administrate everything. However, when I get to the point where I need to test my installation and I enter the command $ sudo docker run hello-world , I only get the following error: docker: Error response from daemon: OCI runtime create failed: container_linux.go:344: starting container process caused "process_linux.go:424: container init caused \

来源： https://stackoverflow.com/questions/63974879/microk8s-metallb-ingress-nginx-how-to-route-external-traffic

问题 I'm trying to install couchdb2.0 on ubuntu server 14.04 following these guides: http://docs.couchdb.org/en/2.0.0/install/unix.html https://gist.github.com/SinanGabel/eac83a2f9d0ac64e2c9d4bd936be9313#file-couchdb-2-0-install-L33 the process starts but it keeps giving the following errors: couchdb@outland:/opt/couchdb/bin$ (./couchdb &) couchdb@outland:/opt/couchdb/bin$ [info] 2017-01-09T17:26:35.870856Z couchdb@localhost <0.9.0> -------- Application couch_log started on node couchdb@localhost

问题 I have an Ubuntu server on Amazon, I installed everything for working with it (php, mysql, phpmyadmin, apache..), The problem is that I cant move around or edit files using the FTP. I get the error message: Permission denied. Error code: 3 Error message from server: Permission denied from my WINSCP. The only way I can trancefer/edit file is using 'putty' with the sudo/nano command. I found a lot of information about this on google, but there are no updated soulution I can find. Linux isn't my

问题 This question already has answers here : What does it mean in shell when we put a command inside dollar sign and parentheses: $(command) (2 answers) Closed 22 days ago . I run following command in Linux terminal. Can anyone tell me what is the use of parentheses in Linux terminal and following command also ? $(echo "GET / HTTP/1.0";echo "Host: www.google.com"; echo) | nc www.google.com 80 回答1: ( list ) Placing a list of commands between parentheses causes a subshell environment to be created,

问题 How do I update to MySQL 8.0 from the default version (5.7)? It's important for me for it to make an update and not re-install MySQL so all my data won't be corrupt. There is not a lot of info regarding this issue since it was only released not long ago with tons of awesome new features! This is what I have found that seems like it will only update and not destroy my data. I'm not going to proceed until I'm sure. 回答1: You can find answer in mysql doc. It has full details about how to upgrade.

问题 We need to prepare a ubuntu-server with MongoDB. We managed to install it properly. When we type: sudo mongod this is our result: XXX@ubuntu-vm:~$ sudo mongod [sudo] password for XXX: mongod --help for help and startup options 2014-11-01T14:42:19.717+0100 [initandlisten] MongoDB starting : pid=15519 port=27017 dbpath=/data/db 64-bit host=ubuntu-vm 2014-11-01T14:42:19.718+0100 [initandlisten] db version v2.6.5 2014-11-01T14:42:19.718+0100 [initandlisten] git version:

问题 I am trying to build mongodb (r2.4.8) with the --ssl option on a ubuntu server (13.10) I get these errors: scons --ssl --64 all src/third_party/boost/boost/date_time/posix_time/posix_time_io.hpp: In function 'std::basic_ostream<_CharT, _Traits>& boost::posix_time::operator<<(std::basic_ostream<_CharT, _Traits>&, const boost::posix_time::time_duration&)': src/third_party/boost/boost/date_time/posix_time/posix_time_io.hpp:183:51: error: typedef 'std_ptime_facet' locally defined but not used [