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    apt update - ignoring a specific package?

    I want to update a machine with sudo apt update && sudo apt upgrade. This command fails because of a package error: I don't have time to fix this now so I want to ignore the package. For this I'm using: apt list --upgradable And then use: sudo apt-mark hold openjdk-8-jre-headless && sudo...
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    Please help me understand this article

    https://linuxways.net/ubuntu/how-to-manage-linux-file-system-on-ubuntu-server/ Bottom section: I don't see "avgrq-sz" in his screenshot and also not on my own system, what am I missing? Should I interpret this in a particular way? Could it be that he means higher than 1.0 instead here?
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    No sudo password prompt after login?

    Hi, When I succesfully login on Ubuntu server through the terminal and execute a sudo command, it prompts me again for a password while I just logged in. I don't want to be prompted for a password when executing a sudo command after I just logged in. I do want the system to prompt me again for...
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    curl: (52) Empty reply from server

    OS: Raspbian lite 10 (Buster). Also tried latest Ubuntu desktop. I'm dealing with an issue that drives me nuts. I have this IP cam which I'm able to control with http Get commands (specifically through https). The problem is, I can't seem to integrate these commands with Curl or Wget because of...
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    Postfix without TLS/SSL?

    Distro: Ubuntu Server 16.04 I installed Postfix to send mail from my Ubuntu Server to my local relay server. My local relay server only supports plaintext SMTP authentication on port 25. I know it's not really secure but it's what I have to work with for the moment. Is it possible to have...
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