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you can configure your application to listen only on address 127.0.0.1 (localhost), that way it won't be seen as open from the outside. For example if I have a nginx listening on port 80 fort every ip and an apache listening on port 8080 for 127.0.0.1 : # netstat -ltnp (Redacted a little to make it clearer) Local Address State Program ...


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This seems to be the bug blocking you https://bugs.launchpad.net/ubuntu/+source/subiquity/+bug/1831453 . Regarding live-server vs server install, the live-server installer uses the subiquity package, which is the one having an issue. This post explains it https://serverfault.com/questions/930163/what-is-the-difference-between-ubuntu-server-and-ubuntu-server-...


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There is a misunderstanding about hosts file here. First of all, hosts file have precedence over DNS on most operating systems, you can define them on Linux/Unix operating systems and macOS in /etc/hosts and c:\windows\system32\drivers\etc\hosts on Windows. So when you add a record in your hosts file like: 127.0.0.1 repo.sweetsoft and try to open http://...


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Turns out it was an AWS limitation. Apparently talking between EC2 instances inside the same VPC has an active connection limit of around 120,000. Making them use a public IP to communicate got rid of the limit. I wasn't getting any errors in Ubuntu because the OS was not limiting anything.


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As stated in comments you have a virus installed by crypto miner. This tells you how to remove it: Watchbog Vulnerability To summarize the steps: crontab –r ls /var/spool/cron/crontabs pip uninstall urllib2 apt-get remove --auto-remove curl apt-get remove --auto-remove wget crontab -r while true ; do killall watchbog ; done sudo passwd root Read the ...


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The two most common causes of your error message are: [1] You are not passing the samba password when asked for the "registered user" credentials. You create that password by adding the user to the samba password database - and I will use my own as an example: sudo smbpasswd -a morbius [2] Since the share that was created allows guest access the more ...


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If you have a list of files to download, just save it as a file (let’s call it files.txt) and then run this command: < files.txt xargs -I{} wget https://s3.amazonaws.com/edx-course-spdx-kiczales/HTC/{} So what would the approach be, on Linux/Ubuntu, for downloading the files with the AWS CLI? There is a lot of ways with wget being one of the most ...


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