2 improved formatting
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These are the solutions that worked for me. I went into greater detail to explain myself and each solution.

I did quite a bit of research so I wanted to share this information with this group if someone else may find it to be helpful or useful.

GNOME 3.28 64 bit has a software flaw in which your desktop or notebook PC will go into suspend or sleep mode after you either lock your screen or leave it at idle for twenty minutes. This means that any GNU/Linux distribution or version that uses GNOME 3.28 64 bit is affected including the older Ubuntu 18.04.x 64 bit LTS, Red Hat Fedora Workstation 28 64 bit and others that use it as well. There are separate but related fixes for GNOME 3.28 64 bit and Elementary OS 5 "Juno" 64 bit that are closely related that will solve this problem. I am going to share the solution that worked for me for Elementary OS 5 "Juno" 64 bit GNU/Linux in this post.

To fix the problem with locking your screen that causes your Ethernet or 802.11 Wi-Fi to disconnect after twenty minutes, follow these instructions step by step:

1a. Open up the terminal 
1b. Type in sudo -ssudo -s
1c. Type in your root password 
1d. Type in su -s /bin/bash lightdmsu -s /bin/bash lightdm
1e. Type in dbus-launch gsettings get org.gnome.settings-daemon.plugins.power sleep-inactive-ac-typedbus-launch gsettings get org.gnome.settings-daemon.plugins.power sleep-inactive-ac-type
1f. Type in dbus-launch gsettings get org.gnome.settings-daemon.plugins.power sleep-inactive-ac-timeoutdbus-launch gsettings get org.gnome.settings-daemon.plugins.power sleep-inactive-ac-timeout
1g. Type in exitexit
1h. Type in exitexit again 
1i. Type in exitexit once again to close the terminal 

To fix the problem with your desktop or notebook PC going to sleep or suspend mode after twenty minutes: 

2a. Open up the terminal 
2b. Type in dbus-launch gsettings set org.gnome.settings-daemon.plugins.power sleep-inactive-ac-type nothingdbus-launch gsettings set org.gnome.settings-daemon.plugins.power sleep-inactive-ac-type nothing
2c. Put in your root password 
2d. Type exitexit to close the terminal 
2e. Restart your desktop or notebook PC for these changes to take into effect 

To verify that these two important fixes do work, I own three gaming PCs: 1. mid-2017 AVA Direct, 2. mid-2017 ASUS ROG STRIX GL702ZC and 3. mid-2016 Acer Predator 17X (GX-791). Elementary OS 5 "Juno" 64 bit GNU/Linux is installed and updated on each gaming PC not to mention a healthy list of both free and open source and third-party closed source and proprietary software products. I decided to test these solutions by connecting to VPNSecure.Me to different VPN gateway servers in the United States of America and I locked my screens and I waited for thirty minutes. After that period of time elapsed, I unlocked my screens and I double checked to verify that my gaming PCs had not gone into sleep or suspend mode which they did not and that my VPN encrypted tunnels were still connected which they still are connected at this time.

Make sure to restart your desktop or notebook PCs after committing these changes in the terminal so that the changes take into effect after each PC restarts itself.

These are the solutions that worked for me. I went into greater detail to explain myself and each solution.

I did quite a bit of research so I wanted to share this information with this group if someone else may find it to be helpful or useful.

GNOME 3.28 64 bit has a software flaw in which your desktop or notebook PC will go into suspend or sleep mode after you either lock your screen or leave it at idle for twenty minutes. This means that any GNU/Linux distribution or version that uses GNOME 3.28 64 bit is affected including the older Ubuntu 18.04.x 64 bit LTS, Red Hat Fedora Workstation 28 64 bit and others that use it as well. There are separate but related fixes for GNOME 3.28 64 bit and Elementary OS 5 "Juno" 64 bit that are closely related that will solve this problem. I am going to share the solution that worked for me for Elementary OS 5 "Juno" 64 bit GNU/Linux in this post.

To fix the problem with locking your screen that causes your Ethernet or 802.11 Wi-Fi to disconnect after twenty minutes, follow these instructions step by step:

1a. Open up the terminal 1b. Type in sudo -s 1c. Type in your root password 1d. Type in su -s /bin/bash lightdm 1e. Type in dbus-launch gsettings get org.gnome.settings-daemon.plugins.power sleep-inactive-ac-type 1f. Type in dbus-launch gsettings get org.gnome.settings-daemon.plugins.power sleep-inactive-ac-timeout 1g. Type in exit 1h. Type in exit again 1i. Type in exit once again to close the terminal

To fix the problem with your desktop or notebook PC going to sleep or suspend mode after twenty minutes:

2a. Open up the terminal 2b. Type in dbus-launch gsettings set org.gnome.settings-daemon.plugins.power sleep-inactive-ac-type nothing 2c. Put in your root password 2d. Type exit to close the terminal 2e. Restart your desktop or notebook PC for these changes to take into effect

To verify that these two important fixes do work, I own three gaming PCs: 1. mid-2017 AVA Direct, 2. mid-2017 ASUS ROG STRIX GL702ZC and 3. mid-2016 Acer Predator 17X (GX-791). Elementary OS 5 "Juno" 64 bit GNU/Linux is installed and updated on each gaming PC not to mention a healthy list of both free and open source and third-party closed source and proprietary software products. I decided to test these solutions by connecting to VPNSecure.Me to different VPN gateway servers in the United States of America and I locked my screens and I waited for thirty minutes. After that period of time elapsed, I unlocked my screens and I double checked to verify that my gaming PCs had not gone into sleep or suspend mode which they did not and that my VPN encrypted tunnels were still connected which they still are connected at this time.

Make sure to restart your desktop or notebook PCs after committing these changes in the terminal so that the changes take into effect after each PC restarts itself.

These are the solutions that worked for me. I went into greater detail to explain myself and each solution.

I did quite a bit of research so I wanted to share this information with this group if someone else may find it to be helpful or useful.

GNOME 3.28 64 bit has a software flaw in which your desktop or notebook PC will go into suspend or sleep mode after you either lock your screen or leave it at idle for twenty minutes. This means that any GNU/Linux distribution or version that uses GNOME 3.28 64 bit is affected including the older Ubuntu 18.04.x 64 bit LTS, Red Hat Fedora Workstation 28 64 bit and others that use it as well. There are separate but related fixes for GNOME 3.28 64 bit and Elementary OS 5 "Juno" 64 bit that are closely related that will solve this problem. I am going to share the solution that worked for me for Elementary OS 5 "Juno" 64 bit GNU/Linux in this post.

To fix the problem with locking your screen that causes your Ethernet or 802.11 Wi-Fi to disconnect after twenty minutes, follow these instructions step by step:

1a. Open up the terminal 
1b. Type in sudo -s
1c. Type in your root password 
1d. Type in su -s /bin/bash lightdm
1e. Type in dbus-launch gsettings get org.gnome.settings-daemon.plugins.power sleep-inactive-ac-type
1f. Type in dbus-launch gsettings get org.gnome.settings-daemon.plugins.power sleep-inactive-ac-timeout
1g. Type in exit
1h. Type in exit again 
1i. Type in exit once again to close the terminal 

To fix the problem with your desktop or notebook PC going to sleep or suspend mode after twenty minutes: 

2a. Open up the terminal 
2b. Type in dbus-launch gsettings set org.gnome.settings-daemon.plugins.power sleep-inactive-ac-type nothing
2c. Put in your root password 
2d. Type exit to close the terminal 
2e. Restart your desktop or notebook PC for these changes to take into effect 

To verify that these two important fixes do work, I own three gaming PCs: 1. mid-2017 AVA Direct, 2. mid-2017 ASUS ROG STRIX GL702ZC and 3. mid-2016 Acer Predator 17X (GX-791). Elementary OS 5 "Juno" 64 bit GNU/Linux is installed and updated on each gaming PC not to mention a healthy list of both free and open source and third-party closed source and proprietary software products. I decided to test these solutions by connecting to VPNSecure.Me to different VPN gateway servers in the United States of America and I locked my screens and I waited for thirty minutes. After that period of time elapsed, I unlocked my screens and I double checked to verify that my gaming PCs had not gone into sleep or suspend mode which they did not and that my VPN encrypted tunnels were still connected which they still are connected at this time.

Make sure to restart your desktop or notebook PCs after committing these changes in the terminal so that the changes take into effect after each PC restarts itself.

1
source | link

These are the solutions that worked for me. I went into greater detail to explain myself and each solution.

I did quite a bit of research so I wanted to share this information with this group if someone else may find it to be helpful or useful.

GNOME 3.28 64 bit has a software flaw in which your desktop or notebook PC will go into suspend or sleep mode after you either lock your screen or leave it at idle for twenty minutes. This means that any GNU/Linux distribution or version that uses GNOME 3.28 64 bit is affected including the older Ubuntu 18.04.x 64 bit LTS, Red Hat Fedora Workstation 28 64 bit and others that use it as well. There are separate but related fixes for GNOME 3.28 64 bit and Elementary OS 5 "Juno" 64 bit that are closely related that will solve this problem. I am going to share the solution that worked for me for Elementary OS 5 "Juno" 64 bit GNU/Linux in this post.

To fix the problem with locking your screen that causes your Ethernet or 802.11 Wi-Fi to disconnect after twenty minutes, follow these instructions step by step:

1a. Open up the terminal 1b. Type in sudo -s 1c. Type in your root password 1d. Type in su -s /bin/bash lightdm 1e. Type in dbus-launch gsettings get org.gnome.settings-daemon.plugins.power sleep-inactive-ac-type 1f. Type in dbus-launch gsettings get org.gnome.settings-daemon.plugins.power sleep-inactive-ac-timeout 1g. Type in exit 1h. Type in exit again 1i. Type in exit once again to close the terminal

To fix the problem with your desktop or notebook PC going to sleep or suspend mode after twenty minutes:

2a. Open up the terminal 2b. Type in dbus-launch gsettings set org.gnome.settings-daemon.plugins.power sleep-inactive-ac-type nothing 2c. Put in your root password 2d. Type exit to close the terminal 2e. Restart your desktop or notebook PC for these changes to take into effect

To verify that these two important fixes do work, I own three gaming PCs: 1. mid-2017 AVA Direct, 2. mid-2017 ASUS ROG STRIX GL702ZC and 3. mid-2016 Acer Predator 17X (GX-791). Elementary OS 5 "Juno" 64 bit GNU/Linux is installed and updated on each gaming PC not to mention a healthy list of both free and open source and third-party closed source and proprietary software products. I decided to test these solutions by connecting to VPNSecure.Me to different VPN gateway servers in the United States of America and I locked my screens and I waited for thirty minutes. After that period of time elapsed, I unlocked my screens and I double checked to verify that my gaming PCs had not gone into sleep or suspend mode which they did not and that my VPN encrypted tunnels were still connected which they still are connected at this time.

Make sure to restart your desktop or notebook PCs after committing these changes in the terminal so that the changes take into effect after each PC restarts itself.