How do I clean up this output from apt-get update?

 

# apt-get update
Hit:2 https://packages.microsoft.com/repos/code stable InRelease                                                             
Hit:1 https://cli.github.com/packages stable InRelease                                                                             
Hit:3 http://ports.ubuntu.com jammy InRelease                                                                                      
Hit:4 https://github.armbian.com/configng stable InRelease                                                                         
Hit:5 http://ports.ubuntu.com jammy-security InRelease                                                                             
Hit:6 http://ports.ubuntu.com jammy-updates InRelease                                                                              
Ign:7 https://download.webmin.com/download/newkey/repository stable InRelease                                                      
Hit:8 http://ports.ubuntu.com jammy-backports InRelease                                                
Hit:9 https://download.webmin.com/download/newkey/repository stable Release                  
Hit:10 https://mirrors.jevincanders.net/armbian/apt jammy InRelease    
Reading package lists... Done
W: Target Packages (main/binary-arm64/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target Contents-deb (main/Contents-arm64) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target Contents-deb (main/Contents-all) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target CNF (main/cnf/Commands-arm64) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target CNF (main/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target Packages (restricted/binary-arm64/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target Packages (restricted/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target Contents-deb (restricted/Contents-arm64) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target Contents-deb (restricted/Contents-all) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target CNF (restricted/cnf/Commands-arm64) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target CNF (restricted/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target Packages (universe/binary-arm64/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target Packages (universe/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target Contents-deb (universe/Contents-arm64) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target Contents-deb (universe/Contents-all) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target CNF (universe/cnf/Commands-arm64) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target CNF (universe/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target Packages (main/binary-arm64/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target Contents-deb (main/Contents-arm64) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target Contents-deb (main/Contents-all) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target CNF (main/cnf/Commands-arm64) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target CNF (main/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target Packages (restricted/binary-arm64/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target Packages (restricted/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target Contents-deb (restricted/Contents-arm64) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target Contents-deb (restricted/Contents-all) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target CNF (restricted/cnf/Commands-arm64) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target CNF (restricted/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target Packages (universe/binary-arm64/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target Packages (universe/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target Contents-deb (universe/Contents-arm64) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target Contents-deb (universe/Contents-all) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target CNF (universe/cnf/Commands-arm64) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1
W: Target CNF (universe/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1

 

Compare contents of

/etc/apt/sources.list:1 and /etc/apt/sources.list.d/ubuntu.sources:1

 

and remove duplicates

THanks.  I was thrown off by the ":1" at the end of the filename (which doesn't exist).