saving uncommitted changes in /etc prior to apt run

diff --git a/apt/sources.list.d/official-package-repositories.list b/apt/sources.list.d/official-package-repositories.list
index f0afbe414db715fd05f78c80795a48e4d143fd4e..e68cb36c94fa8fffa6828d7fcb355baad83c92ce 100644 (file)
--- a/apt/sources.list.d/official-package-repositories.list
+++ b/apt/sources.list.d/official-package-repositories.list
@@ -1,8 +1,8 @@
-deb http://packages.linuxmint.com ulyssa main upstream import backport #id:linuxmint_main
+deb http://ftp-stud.hs-esslingen.de/pub/Mirrors/packages.linuxmint.com ulyssa main upstream import backport 
 
-deb http://archive.ubuntu.com/ubuntu focal main restricted universe multiverse
-deb http://archive.ubuntu.com/ubuntu focal-updates main restricted universe multiverse
-deb http://archive.ubuntu.com/ubuntu focal-backports main restricted universe multiverse
+deb http://ftp.uni-mainz.de/ubuntu focal main restricted universe multiverse
+deb http://ftp.uni-mainz.de/ubuntu focal-updates main restricted universe multiverse
+deb http://ftp.uni-mainz.de/ubuntu focal-backports main restricted universe multiverse
 
 deb http://security.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
 deb http://archive.canonical.com/ubuntu/ focal partner