/sbin/ldconfig.real: Warning: ignoring configuration file that cannot be opened: /etc/ld.so.conf.d

☁  ~  sudo apt-get --purge autoremove

Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be REMOVED:
  libva1*
0 upgraded, 0 newly installed, 1 to remove and 1 not upgraded.
After this operation, 160 kB disk space will be freed.
Do you want to continue? [Y/n] Y
(Reading database ... 250971 files and directories currently installed.)
Removing libva1:amd64 (1.8.3-1) ...
Processing triggers for libc-bin (2.27-3ubuntu1) ...
/sbin/ldconfig.real: Warning: ignoring configuration file that cannot be opened: /etc/ld.so.conf.d/x86_64-linux-gnu_EGL.conf: No such file or directory
☁  ~  sudo apt-get purge $(dpkg -l | awk '/^rc/ { print $2 }')

Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be REMOVED:
  cuda-cublas-9-1* cuda-cudart-9-1* cuda-cudart-dev-9-1* cuda-cufft-9-1* cuda-cupti-9-1* cuda-curand-9-1* cuda-cusolver-9-1* cuda-cusparse-9-1* cuda-npp-9-1* cuda-nvcc-9-1*
  cuda-nvgraph-9-1* cuda-nvprof-9-1* cuda-nvrtc-9-1* cuda-toolkit-9-1* cuda-visual-tools-9-1* freepats* geary* google-webdesigner* gsfonts-x11* gufw* ibus* kaccounts-providers* kdeconnect*
  kio* kwayland-data* libfontenc1:i386* libglib2.0-0:i386* libgooglepinyin0* libkf5attica5* libkf5bookmarks-data* libkf5globalaccel5* libkf5jobwidgets-data* libkf5package-data*
  libkf5purpose5* libkf5xmlgui-data* libmecab2* libnvidia-compute-396* libnvidia-compute-396:i386* libopenal-data* libreoffice-common* libreoffice-core* libssl1.1:i386* libunibreak1*
  libvo-aacenc0* libwildmidi-config* libwrap0:i386* linux-image-4.13.0-16-generic* linux-image-4.13.0-21-generic* linux-image-4.15.0-10-generic* linux-image-4.15.0-12-generic*
  linux-image-4.15.0-13-generic* linux-image-4.15.0-15-generic* linux-image-4.15.0-19-generic* linux-image-4.15.0-20-generic* linux-image-4.15.0-22-generic*
  linux-image-extra-4.13.0-16-generic* linux-image-extra-4.13.0-21-generic* linux-image-extra-4.15.0-10-generic* linux-image-extra-4.15.0-12-generic* linux-image-extra-4.15.0-13-generic*
  linux-image-extra-4.15.0-15-generic* linux-modules-4.15.0-19-generic* linux-modules-4.15.0-20-generic* linux-modules-4.15.0-22-generic* linux-modules-extra-4.15.0-19-generic*
  linux-modules-extra-4.15.0-20-generic* linux-modules-extra-4.15.0-22-generic* linux-signed-image-4.13.0-21-generic* linux-signed-image-4.15.0-10-generic*
  linux-signed-image-4.15.0-12-generic* linux-signed-image-4.15.0-13-generic* linux-signed-image-4.15.0-15-generic* mailspring* mpv* mysql-common* mysql-community-server* network-manager*
  network-manager-gnome* network-manager-pptp* notification-daemon* notify-osd* okular* oracle-java9-set-default* pidgin* pidgin-data* privoxy* python-pygments* qutebrowser* rsyslog* samba*
  samba-common* shadowsocks* smartmontools* snapd-login-service* sogoupinyin* steam-launcher* surfraw* sysstat* teamviewer* update-notifier* virtualbox* virtualbox-5.2* virtualbox-ext-pack*
  virtualbox-qt* vivaldi-stable* xubuntu-artwork* xubuntu-default-settings*
0 upgraded, 0 newly installed, 107 to remove and 1 not upgraded.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] Y
(Reading database ... 250965 files and directories currently installed.)
Purging configuration files for linux-image-4.15.0-12-generic (4.15.0-12.13) ...
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 4.15.0-12-generic /boot/vmlinuz-4.15.0-12-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 4.15.0-12-generic /boot/vmlinuz-4.15.0-12-generic
Purging configuration files for cuda-nvprof-9-1 (9.1.85-1) ...
Purging configuration files for cuda-cupti-9-1 (9.1.85-1) ...
Purging configuration files for cuda-cublas-9-1 (9.1.85-1) ...
Purging configuration files for gsfonts-x11 (0.24) ...
Purging configuration files for cuda-visual-tools-9-1 (9.1.85-1) ...
Purging configuration files for linux-modules-4.15.0-20-generic (4.15.0-20.21) ...
dpkg: warning: while removing linux-modules-4.15.0-20-generic, directory '/lib/modules/4.15.0-20-generic' not empty so not removed
Purging configuration files for cuda-nvgraph-9-1 (9.1.85-1) ...
Purging configuration files for kwayland-data (4:5.44.0-0ubuntu1) ...
Purging configuration files for sysstat (11.6.1-1) ...
Purging configuration files for linux-signed-image-4.15.0-10-generic (4.15.0-10.11) ...
Purging configuration files for gufw (18.04.0-0ubuntu1) ...
dpkg: warning: while removing gufw, directory '/etc/gufw' not empty so not removed
Purging configuration files for cuda-cusolver-9-1 (9.1.85-1) ...
Purging configuration files for kdeconnect (1.3.0-0ubuntu1) ...
dpkg: warning: while removing kdeconnect, directory '/usr/share/plasma' not empty so not removed
Purging configuration files for libreoffice-common (1:5.4.5-0ubuntu0.17.10.4) ...
Purging configuration files for network-manager-pptp (1.2.6-1) ...
Purging configuration files for linux-modules-4.15.0-22-generic (4.15.0-22.24) ...
Purging configuration files for cuda-toolkit-9-1 (9.1.85-1) ...
Purging configuration files for cuda-cusparse-9-1 (9.1.85-1) ...
Purging configuration files for libglib2.0-0:i386 (2.56.1-2ubuntu1) ...
Purging configuration files for linux-image-extra-4.15.0-12-generic (4.15.0-12.13) ...
Purging configuration files for mysql-common (5.8+1.0.4) ...
dpkg: warning: while removing mysql-common, directory '/etc/mysql' not empty so not removed
Purging configuration files for network-manager-gnome (1.8.10-2ubuntu1) ...
Purging configuration files for privoxy (3.0.26-5) ...
Purging configuration files for libkf5globalaccel5:amd64 (5.44.0-0ubuntu1) ...
Purging configuration files for mailspring (1.2.1) ...
Purging configuration files for samba-common (2:4.7.4+dfsg-1ubuntu1) ...
Purging configuration files for linux-image-extra-4.15.0-10-generic (4.15.0-10.11) ...
Purging configuration files for libkf5xmlgui-data (5.44.0-0ubuntu2) ...
Purging configuration files for libmecab2:amd64 (0.996-5) ...
Purging configuration files for steam-launcher (1.0.0.54) ...
Purging configuration files for geary (0.12.0-1ubuntu1) ...
dpkg: warning: while removing geary, directory '/usr/share/geary' not empty so not removed
Purging configuration files for linux-image-4.15.0-10-generic (4.15.0-10.11) ...
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 4.15.0-10-generic /boot/vmlinuz-4.15.0-10-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 4.15.0-10-generic /boot/vmlinuz-4.15.0-10-generic
Purging configuration files for smartmontools (6.5+svn4324-1) ...
Purging configuration files for xubuntu-artwork (18.04.2) ...
Purging configuration files for virtualbox (5.2.10-dfsg-2) ...
Purging configuration files for cuda-curand-9-1 (9.1.85-1) ...
Purging configuration files for linux-signed-image-4.15.0-13-generic (4.15.0-13.14) ...
dpkg: warning: while removing linux-signed-image-4.15.0-13-generic, directory '/usr/lib/linux' not empty so not removed
Purging configuration files for libopenal-data (1:1.18.2-2) ...
Purging configuration files for linux-image-4.15.0-20-generic (4.15.0-20.21) ...
Purging configuration files for libvo-aacenc0:amd64 (0.1.3-1) ...
Purging configuration files for libwildmidi-config (0.4.2-1) ...
Purging configuration files for cuda-nvcc-9-1 (9.1.85-1) ...
Purging configuration files for okular (4:17.12.3-0ubuntu1) ...
dpkg: warning: while removing okular, directory '/usr/share/doc/HTML/en/okular' not empty so not removed
Purging configuration files for network-manager (1.10.6-2ubuntu1) ...
dpkg: warning: while removing network-manager, directory '/usr/share/doc/network-manager' not empty so not removed
dpkg: warning: while removing network-manager, directory '/etc/NetworkManager/system-connections' not empty so not removed
dpkg: warning: while removing network-manager, directory '/etc/NetworkManager/dispatcher.d' not empty so not removed
Purging configuration files for libkf5package-data (5.44.0-0ubuntu1) ...
Purging configuration files for linux-image-4.15.0-22-generic (4.15.0-22.24) ...
Purging configuration files for libkf5attica5:amd64 (5.44.0-0ubuntu1) ...
Purging configuration files for libkf5jobwidgets-data (5.44.0-0ubuntu1) ...
Purging configuration files for cuda-cufft-9-1 (9.1.85-1) ...
Purging configuration files for ibus (1.5.14-2ubuntu1) ...
Purging configuration files for linux-modules-extra-4.15.0-20-generic (4.15.0-20.21) ...
Purging configuration files for libkf5bookmarks-data (5.44.0-0ubuntu1) ...
Purging configuration files for linux-image-4.15.0-13-generic (4.15.0-13.14) ...
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 4.15.0-13-generic /boot/vmlinuz-4.15.0-13-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 4.15.0-13-generic /boot/vmlinuz-4.15.0-13-generic
Purging configuration files for linux-modules-extra-4.15.0-22-generic (4.15.0-22.24) ...
Purging configuration files for qutebrowser (1.1.1-1) ...
Purging configuration files for linux-image-extra-4.15.0-15-generic (4.15.0-15.16) ...
Purging configuration files for libunibreak1 (1.1-2) ...
Purging configuration files for libssl1.1:i386 (1.1.0g-2ubuntu3) ...
Purging configuration files for update-notifier (3.191) ...
Purging configuration files for teamviewer (13.1.3026) ...
Purging configuration files for pidgin-data (1:2.12.0-1ubuntu2) ...
Purging configuration files for shadowsocks (2.9.0-2) ...
Purging configuration files for linux-image-4.15.0-15-generic (4.15.0-15.16) ...
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 4.15.0-15-generic /boot/vmlinuz-4.15.0-15-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 4.15.0-15-generic /boot/vmlinuz-4.15.0-15-generic
dpkg: warning: while removing linux-image-4.15.0-15-generic, directory '/lib/modules/4.15.0-15-generic' not empty so not removed
Purging configuration files for libfontenc1:i386 (1:1.1.3-1) ...
Purging configuration files for snapd-login-service (1.23-0ubuntu1) ...
Purging configuration files for libnvidia-compute-396:i386 (396.18-0ubuntu0~gpu18.04.9) ...
Purging configuration files for libnvidia-compute-396:amd64 (396.18-0ubuntu0~gpu18.04.9) ...
Purging configuration files for linux-signed-image-4.15.0-15-generic (4.15.0-15.16) ...
Purging configuration files for cuda-cudart-9-1 (9.1.85-1) ...
Purging configuration files for kio (5.44.0-0ubuntu1) ...
Purging configuration files for surfraw (2.2.9-1ubuntu1) ...
Purging configuration files for oracle-java9-set-default (9.0.1-1~webupd8~0) ...
Purging configuration files for cuda-nvrtc-9-1 (9.1.85-1) ...
Purging configuration files for linux-modules-4.15.0-19-generic (4.15.0-19.20) ...
dpkg: warning: while removing linux-modules-4.15.0-19-generic, directory '/lib/modules/4.15.0-19-generic' not empty so not removed
Purging configuration files for sogoupinyin (2.2.0.0102) ...
Purging configuration files for samba (2:4.6.7+dfsg-1ubuntu3.1) ...
Purging configuration files for freepats (20060219-1) ...
Purging configuration files for linux-modules-extra-4.15.0-19-generic (4.15.0-19.20) ...
Purging configuration files for cuda-npp-9-1 (9.1.85-1) ...
Purging configuration files for linux-image-extra-4.15.0-13-generic (4.15.0-13.14) ...
Purging configuration files for libkf5purpose5:amd64 (5.44.0-0ubuntu1) ...
Purging configuration files for xubuntu-default-settings (18.04.2) ...
Purging configuration files for mpv (2:0.27.0+git2~zzartful) ...
Purging configuration files for cuda-cudart-dev-9-1 (9.1.85-1) ...
Purging configuration files for mysql-community-server (5.7.21-1ubuntu17.10) ...
Purging configuration files for linux-image-4.15.0-19-generic (4.15.0-19.20) ...
Purging configuration files for rsyslog (8.16.0-1ubuntu10) ...
Purging configuration files for libwrap0:i386 (7.6.q-27) ...
Purging configuration files for linux-signed-image-4.15.0-12-generic (4.15.0-12.13) ...
Purging configuration files for kaccounts-providers (4:17.12.3-0ubuntu1) ...
Processing triggers for ureadahead (0.100.0-20) ...
Processing triggers for libglib2.0-0:amd64 (2.56.1-2ubuntu1) ...
Processing triggers for systemd (237-3ubuntu10) ...
Processing triggers for dbus (1.12.2-1ubuntu1) ...

sudo apt-get purge nvidia-390 nvidia-primesudo apt-get purge  linux-image-4.13.10-041310-generic linux-headers-4.13.10-041310-genericsudo apt-get --purge autoremovesudo apt-get purge $(dpkg -l | awk '/^rc/ { print $2 }')