thufir@mordor:~$
thufir@mordor:~$ Acquire::http::Proxy "http://hostname:3142/";' > /etc/apt/apt.conf.d/01proxy
>
>
> ^C
thufir@mordor:~$
thufir@mordor:~$
thufir@mordor:~$ nl /etc/apt/apt.conf.d/
00aptitude             01autoremove-kernels   15update-stamp         20dbus                 99update-notifier
00trustcdrom           01-vendor-ubuntu       20archive              50unattended-upgrades
01autoremove           10periodic             20changelog            70debconf
thufir@mordor:~$ nl /etc/apt/apt.conf.d/
00aptitude             01autoremove-kernels   15update-stamp         20dbus                 99update-notifier
00trustcdrom           01-vendor-ubuntu       20archive              50unattended-upgrades
01autoremove           10periodic             20changelog            70debconf
thufir@mordor:~$ nl /etc/apt/apt.conf.d/01
01autoremove          01autoremove-kernels  01-vendor-ubuntu
thufir@mordor:~$ nl /etc/apt/apt.conf.d/01autoremove
     1	APT
     2	{
     3	  NeverAutoRemove
     4	  {
     5		"^firmware-linux.*";
     6		"^linux-firmware$";
     7	  };

     8	  VersionedKernelPackages
     9	  {
    10		# linux kernels
    11		"linux-image";
    12		"linux-headers";
    13		"linux-image-extra";
    14		"linux-signed-image";
    15		# kfreebsd kernels
    16		"kfreebsd-image";
    17		"kfreebsd-headers";
    18		# hurd kernels
    19		"gnumach-image";
    20		# (out-of-tree) modules
    21		".*-modules";
    22		".*-kernel";
    23		"linux-backports-modules-.*";
    24	        # tools
    25	        "linux-tools";
    26	  };

    27	  Never-MarkAuto-Sections
    28	  {
    29		"metapackages";
    30		"restricted/metapackages";
    31		"universe/metapackages";
    32		"multiverse/metapackages";
    33		"oldlibs";
    34		"restricted/oldlibs";
    35		"universe/oldlibs";
    36		"multiverse/oldlibs";
    37	  };
    38	};
thufir@mordor:~$
thufir@mordor:~$
thufir@mordor:~$ ls /etc/apt/apt.conf.d/
00aptitude    01autoremove          01-vendor-ubuntu  15update-stamp  20changelog  50unattended-upgrades  99update-notifier
00trustcdrom  01autoremove-kernels  10periodic        20archive       20dbus       70debconf
thufir@mordor:~$