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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 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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