Update pacman config

arch-config/etc/pacman.conf

@@ -22,7 +22,7 @@ HoldPkg     = pacman glibc
 Architecture = auto
 
 # Pacman won't upgrade packages listed in IgnorePkg and members of IgnoreGroup
-IgnorePkg   = grub packettracer
+#IgnorePkg   =
 #IgnoreGroup =
 
 #NoUpgrade   =
@@ -36,6 +36,8 @@ CheckSpace
 VerbosePkgLists
 ILoveCandy
 ParallelDownloads = 5
+DownloadUser = alpm
+#DisableSandbox
 
 # By default, pacman accepts packages signed by keys that its local keyring
 # trusts (see pacman-key and its man page), as well as unsigned packages.
@@ -70,19 +72,16 @@ LocalFileSigLevel = Optional
 # repo name header and Include lines. You can add preferred servers immediately
 # after the header, and they will be used before the default mirrors.
 
-#[testing]
+#[core-testing]
 #Include = /etc/pacman.d/mirrorlist
 
 [core]
 Include = /etc/pacman.d/mirrorlist
 
-[extra]
-Include = /etc/pacman.d/mirrorlist
-
-#[community-testing]
+#[extra-testing]
 #Include = /etc/pacman.d/mirrorlist
 
-[community]
+[extra]
 Include = /etc/pacman.d/mirrorlist
 
 # If you want to run 32 bit applications on your x86_64 system,