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I have Ubuntu 22.04.2 LTS. Now, it gets “suspended” or “sleep” when left alone (watching a movie inclusive) for more than 10-15 minutes. I tried to follow what https://www.omgubuntu.co.uk/2016/07/caffeine-indicator-applet-ubuntu-lock-screen, How do I disable my system from going to sleep?, and How to permanently disable sleep/suspend? advised, but to no avail. Whether from the same source or not, the Internet connection breaks more than once a day, so I have to restart the PC to get it back.
Please, help.

John
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  • "so I have to restart the PC to get it back" No and absolutely not how Linux works. There is always a method to reset your network without a reboot. "How to keep my computer "not idle"?" is that not the wrong question(??) "it gets “suspended” or “sleep” when left alone " that is the default. Switch to "do nothing" to disable suspend/hibernate. That will also keep wireless active during lid close. – Rinzwind Mar 07 '23 at 17:28
  • There are several answers in those links so which ones did you follow? Also, please [edit](https://askubuntu.com/posts/1458241/edit) your question and add more details about your system like the output of `sudo lshw -C network` as the network going down I have seen where the system has a RTL8111/8168 chipset but yet the `r8169` driver is loaded and that can fail on the 8168 chipset and be very unpredictable. – Terrance Mar 07 '23 at 17:47
  • Rinzwind, what you recommended I did. And got zero result. That's why "the wrong question" got here. – John Mar 07 '23 at 18:11
  • Terrance, that's what I got: *-network description: Ethernet interface product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:03:00.0 logical name: enp3s0 version: 09 serial: 60:a4:4c:3b:ee:12 capacity: 1Gbit/s width: 64 bits clock: 33MHz – John Mar 07 '23 at 18:15
  • Best to install the `r8168` driver. `sudo apt install r8168-dkms` – Terrance Mar 07 '23 at 19:12
  • Have you tried Power Settings - R. click desktop->Display->Power? Under Power Saving Options, set Screen Blank to 'Never' and disable Automatic Suspend. – Paul Benson Mar 07 '23 at 20:03
  • E: Conflicting values set for option Signed-By regarding source https://dl.winehq.org/wine-builds/ubuntu/ jammy: /etc/apt/keyrings/winehq-archive.key != /usr/share/keyrings/winehq.gpg E: The list of sources could not be read. – John Mar 09 '23 at 15:29

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