Hello Ubuntu Community,

I've setup my machine with Windows 10 + Ubuntu 16.04. It was running quite well since last 17 days (since installation), but couple of minutes back I tried to remove python 3.5.2 (because it was showing 3 different version of python in my laptop 2.7, 3.5 & 3.6), I'm not able to do anything on Ubuntu now.

No Dash, No unity, not even ctrl+alt+T to open terminal. It just do nothing.

I've saved logs after removing python3.5 and reboot my laptop. but now I realized I'm messed up everything.

Can you please help me ?? There is no data in Ubuntu Machine, if it can be re-install (Freshly) that will be very help, because I want to run GNS3 & python in ubuntu.

Thanks in Advance.

From New User (17 days of experience)

Here is the shameful thing, which I did.

gaurav@gs:~$ gaurav@gs:~$ gaurav@gs:~$ echo $PATH /home/gaurav/bin:/home/gaurav/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin gaurav@gs:~$ which python /usr/bin/python gaurav@gs:~$ python --version Python 2.7.12 gaurav@gs:~$ python3.6 --version Python 3.6.3 gaurav@gs:~$ gaurav@gs:~$ python3 --version Python 3.5.2 gaurav@gs:~$ sudo apt-get remove python3.5.2 [sudo] password for gaurav: Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package python3.5.2 E: Couldn't find any package by glob 'python3.5.2' E: Couldn't find any package by regex 'python3.5.2' gaurav@gs:~$ sudo apt-get remove python3.5 Reading package lists... Done Building dependency tree Reading state information... Done The following packages were automatically installed and are no longer required: augeas-lenses bridge-utils cabextract cgmanager cpu-checker cpulimit dynamips ebtables geoip-database-extra ipxe-qemu javascript-common libaio1 libappindicator1 libaugeas0
libblas-common libblas3 libbonobo2-0 libbonobo2-common libbonoboui2-common libboost-random1.58.0 libc-ares2 libclass-data-inheritable-perl libclass-method-modifiers-perl libcommon-sense-perl libcrypt-openssl-bignum-perl libcrypt-openssl-rsa-perl libdata-random-perl
libextutils-depends-perl libextutils-pkgconfig-perl libfdt1 libfile-which-perl libgd-perl libgfortran3 libglade2-0 libgnome2-canvas-perl libgnome2-gconf-perl libgnome2-wnck-perl
libgnomecanvas2-0 libgnomecanvas2-common libgnomeui-common libgoo-canvas-perl libgoocanvas-common libgoocanvas3 libgtk2-appindicator-perl libgtk2-imageview-perl libgtk2-unique-perl libgtkimageview0 libhttp-server-simple-perl libimage-magick-perl
libimage-magick-q16-perl libindicator7 libiscsi2 libjs-openlayers libjson-perl libjson-xs-perl liblapack3 libmouse-perl libmspack0 libnet-dropbox-api-perl libnet-oauth-perl libnetcf1 libnghttp2-14 libnl-route-3-200 liborbit-2-0 libpath-class-perl libproc-processtable-perl libproc-simple-perl libqgsttools-p1 libqt5clucene5 libqt5designer5 libqt5help5 libqt5multimedia5-plugins libqt5multimediawidgets5 libqt5websockets5 librados2 librbd1
libsmi2ldbl libsnapd-glib1 libsort-naturally-perl libspice-server1 libtypes-serialiser-perl libunique-1.0-0 libvirt-bin libvirt0 libvncserver1 libwireshark-data libwireshark8 libwiretap6
libwnck-common libwnck22 libwscodecs1 libwsutil7 libwww-mechanize-perl libxen-4.6 libxenstore3.0 libxml2-utils msr-tools mypaint-data notepadqq-common perlmagick qemu-block-extra qemu-kvm
qemu-system-arm qemu-system-common qemu-system-x86 qemu-utils seabios snapd-login-service ubridge vpcs wireshark wireshark-common wireshark-qt x11vnc x11vnc-data Use 'sudo apt autoremove' to remove them. The following additional packages will be installed:
libboost-log1.58.0 libboost-regex1.58.0 libclick-0.4-0 libcontent-hub0 libgflags2v5 libgoogle-glog0v5 liblibertine1 liblttng-ust-ctl2 liblttng-ust0 libubuntu-app-launch2
libubuntu-download-manager-client1 libubuntu-download-manager-common1 libudm-common1 liburcu4 python python2.7 qtdeclarative5-ubuntu-content1 Suggested packages: content-hub python-doc python-tk python2.7-doc The following packages will be REMOVED: aisleriot apparmor apport apport-gtk aptdaemon apturl apturl-common checkbox-converged checkbox-gui command-not-found compiz compiz-gnome dh-python firefox foomatic-db-compressed-ppds
gconf2 gedit gir1.2-ibus-1.0 gnome-menus gnome-orca gnome-software gnome-terminal gns3-gui gns3-server google-chrome-stable hplip hplip-data ibus ibus-table indicator-bluetooth
language-selector-common language-selector-gnome libbonoboui2-0 libgnome-2-0 libgnome2-0 libgnome2-bin libgnome2-common libgnome2-perl libgnome2-vfs-perl libgnomeui-0 libgnomevfs2-0
libgnomevfs2-common libgnomevfs2-extra libpurple-bin linux-gcp-tools-4.10.0-1008 linux-tools-4.10.0-1008-gcp linux-tools-common linux-tools-gcp lsb-release nautilus-share
onboard onboard-data openprinting-ppds plainbox-provider-checkbox
plainbox-provider-resource-generic plymouth-theme-ubuntu-text printer-driver-foo2zjs printer-driver-foo2zjs-common printer-driver-postscript-hp printer-driver-ptouch
printer-driver-pxljr pyotherside python3 python3-apport python3-apt python3-aptdaemon python3-aptdaemon.gtk3widgets python3-aptdaemon.pkcompat python3-blinker python3-brlapi
python3-bs4 python3-cairo python3-cffi-backend python3-chardet python3-checkbox-support python3-commandnotfound python3-cryptography python3-cups python3-cupshelpers python3-dbus
python3-debian python3-defer python3-distupgrade python3-feedparser python3-gdbm python3-gi python3-gi-cairo python3-guacamole python3-html5lib python3-httplib2 python3-idna python3-jinja2
python3-jwt python3-louis python3-lxml python3-mako python3-markupsafe python3-oauthlib python3-padme python3-pexpect python3-pil python3-pkg-resources python3-plainbox python3-problem-report python3-ptyprocess python3-pyasn1 python3-pyatspi python3-pycurl
python3-pyparsing python3-pyqt5 python3-pyqt5.qtsvg python3-pyqt5.qtwebsockets python3-renderpm python3-reportlab python3-reportlab-accel python3-requests python3-sip python3-six
python3-software-properties python3-speechd python3-systemd python3-uno python3-update-manager python3-urllib3 python3-xdg python3-xkit python3-xlsxwriter python3.5
qml-module-io-thp-pyotherside rhythmbox rhythmbox-plugin-zeitgeist rhythmbox-plugins sessioninstaller shutter snapd software-properties-common software-properties-gtk
system-config-printer-common system-config-printer-gnome system-config-printer-udev totem-plugins ttf-mscorefonts-installer ubuntu-core-launcher ubuntu-desktop ubuntu-drivers-common ubuntu-minimal ubuntu-release-upgrader-core ubuntu-release-upgrader-gtk ubuntu-software ubuntu-standard ubuntu-system-service ufw unattended-upgrades unity
unity-control-center unity-control-center-signon unity-lens-photos unity-scope-calculator unity-scope-chromiumbookmarks unity-scope-colourlovers unity-scope-devhelp
unity-scope-firefoxbookmarks unity-scope-gdrive unity-scope-home unity-scope-manpages unity-scope-openclipart unity-scope-texdoc unity-scope-tomboy unity-scope-virtualbox unity-scope-yelp unity-scope-zotero update-manager update-manager-core update-notifier update-notifier-common usb-creator-common usb-creator-gtk xdiagnose The following NEW packages will be installed: libboost-log1.58.0 libboost-regex1.58.0 libclick-0.4-0 libcontent-hub0 libgflags2v5
libgoogle-glog0v5 liblibertine1 liblttng-ust-ctl2 liblttng-ust0 libubuntu-app-launch2 libubuntu-download-manager-client1 libubuntu-download-manager-common1 libudm-common1 liburcu4 python python2.7 qtdeclarative5-ubuntu-content1 0 upgraded, 17 newly installed, 178 to remove and 0 not upgraded. Need to get 1,876 kB of archives. After this operation, 655 MB disk space will be freed. Do you want to continue? [Y/n] Get:1 http://in.archive.ubuntu.com/ubuntu xenial-updates/main amd64 python2.7 amd64 2.7.12-1ubuntu0~16.04.1 [224 kB] Get:2 http://in.archive.ubuntu.com/ubuntu xenial/main amd64 python amd64 2.7.11-1 [137 kB] Get:3 http://in.archive.ubuntu.com/ubuntu xenial-updates/main amd64 libboost-regex1.58.0 amd64 1.58.0+dfsg-5ubuntu3.1 [261 kB] Get:4 http://in.archive.ubuntu.com/ubuntu xenial-updates/universe amd64 libboost-log1.58.0 amd64 1.58.0+dfsg-5ubuntu3.1 [422 kB] Get:5 http://in.archive.ubuntu.com/ubuntu xenial-updates/main amd64 libclick-0.4-0 amd64 0.4.43+16.04.20170613-0ubuntu1 [58.3 kB] Get:6 http://in.archive.ubuntu.com/ubuntu xenial/universe amd64 liblibertine1 amd64 1.0.0+16.04.20160411-0ubuntu1 [47.9 kB] Get:7 http://in.archive.ubuntu.com/ubuntu xenial/universe amd64 liburcu4 amd64 0.9.1-3 [47.3 kB] Get:8 http://in.archive.ubuntu.com/ubuntu xenial/universe amd64 liblttng-ust-ctl2 amd64 2.7.1-1 [72.2 kB] Get:9 http://in.archive.ubuntu.com/ubuntu xenial/universe amd64 liblttng-ust0 amd64 2.7.1-1 [127 kB] Get:10 http://in.archive.ubuntu.com/ubuntu xenial/universe amd64 libubuntu-app-launch2 amd64 0.5+15.10.20150817-0ubuntu3 [43.6 kB] Get:11 http://in.archive.ubuntu.com/ubuntu xenial/universe amd64 libgflags2v5 amd64 2.1.2-3 [54.4 kB] Get:12 http://in.archive.ubuntu.com/ubuntu xenial/universe amd64 libgoogle-glog0v5 amd64 0.3.4-0.1 [49.3 kB] Get:13 http://in.archive.ubuntu.com/ubuntu xenial/universe amd64 libudm-common1 amd64 1.2+16.04.20160408-0ubuntu1 [24.5 kB] Get:14 http://in.archive.ubuntu.com/ubuntu xenial/universe amd64 libubuntu-download-manager-common1 amd64 1.2+16.04.20160408-0ubuntu1 [9,962 B] Get:15 http://in.archive.ubuntu.com/ubuntu xenial/universe amd64 libubuntu-download-manager-client1 amd64 1.2+16.04.20160408-0ubuntu1 [109 kB] Get:16 http://in.archive.ubuntu.com/ubuntu xenial/universe amd64 libcontent-hub0 amd64 0.1+16.04.20160309-0ubuntu1 [124 kB] Get:17 http://in.archive.ubuntu.com/ubuntu xenial/universe amd64 qtdeclarative5-ubuntu-content1 amd64 0.1+16.04.20160309-0ubuntu1 [64.7 kB] Fetched 1,876 kB in 4s (399 kB/s)
(Reading database ... 204708 files and directories currently installed.) Removing aisleriot (1:3.18.2-1ubuntu1) ... Removing ubuntu-core-launcher (2.28.5) ... Removing apport-gtk (2.20.1-0ubuntu2.12) ... Removing apport (2.20.1-0ubuntu2.12) ... Removing ubuntu-desktop (1.361.1) ... Removing language-selector-gnome (0.165.4) ... Removing ubuntu-software (3.20.5-0ubuntu0.16.04.6) ... Removing gnome-software (3.20.5-0ubuntu0.16.04.6) ... Removing nautilus-share (0.7.3-2ubuntu1) ... Removing apturl (0.5.2ubuntu11.1) ... Removing apturl-common (0.5.2ubuntu11.1) ... Removing checkbox-gui (1.2.4-0ubuntu1) ... Removing checkbox-converged (1.2.4-0ubuntu1) ... Removing command-not-found (0.3ubuntu16.04.2) ... Removing unity (7.4.0+16.04.20160906-0ubuntu1) ... Removing compiz (1:0.9.12.2+16.04.20160823-0ubuntu1) ... Removing compiz-gnome (1:0.9.12.2+16.04.20160823-0ubuntu1) ... Removing python3-uno (1:5.4.3~rc2-0ubuntu0.16.04.1~lo1) ... Removing google-chrome-stable (62.0.3202.94-1) ... update-alternatives: using /usr/bin/firefox to provide /usr/bin/x-www-browser (x-www-browser) in auto mode update-alternatives: using /usr/bin/firefox to provide /usr/bin/gnome-www-browser (gnome-www-browser) in auto mode Removing unattended-upgrades (0.90ubuntu0.8) ... Removing sessioninstaller (0.20+bzr150-0ubuntu4.1) ... Removing python3-commandnotfound (0.3ubuntu16.04.2) ... Removing python3-gdbm:amd64 (3.6.3-0ubuntu1~16.04.york0) ... Removing xdiagnose (3.8.4.1) ... Removing firefox (57.0+build4-0ubuntu0.16.04.5) ... Removing foomatic-db-compressed-ppds (20160212-0ubuntu1) ... Removing libgnomevfs2-extra:amd64 (1:2.24.4-6.1ubuntu1) ... Removing shutter (0.93.1-1ubuntu1) ... Removing libgnome2-perl (1.046-2build1) ... Removing libgnome2-vfs-perl (1.082-1build2) ... Removing libgnomeui-0:amd64 (2.24.5-3.1) ... Removing libbonoboui2-0:amd64 (2.24.5-3ubuntu1) ... Removing libgnome2-0:amd64 (2.32.1-5ubuntu1) ... Removing gedit (3.18.3-0ubuntu4) ... Removing unity-control-center-signon (0.1.8+16.04.20160201-0ubuntu1) ... Removing ibus-table (1.9.1-3ubuntu2) ... Removing gnome-orca (3.18.2-1ubuntu3) ... Removing gnome-terminal (3.18.3-1ubuntu1) ... update-alternatives: using /usr/bin/lxterm to provide /usr/bin/x-terminal-emulator (x-terminal-emulator) in auto mode Removing gns3-gui (2.1.0~xenial1) ... Removing gns3-server (2.1.0~xenial1) ... Removing printer-driver-postscript-hp (3.16.3+repack0-1) ... Removing hplip (3.16.3+repack0-1) ... Removing hplip-data (3.16.3+repack0-1) ... dpkg: warning: while removing hplip-data, directory '/usr/share/hplip/fax' not empty so not removed dpkg: warning: while removing hplip-data, directory '/usr/share/hplip/pcard' not empty so not removed dpkg: warning: while removing hplip-data, directory '/usr/share/hplip/base/pexpect' not empty so not removed dpkg: warning: while removing hplip-data, directory '/usr/share/hplip/installer' not empty so not removed dpkg: warning: while removing hplip-data, directory '/usr/share/hplip/copier' not empty so not removed dpkg: warning: while removing hplip-data, directory '/usr/share/hplip/scan' not empty so not removed dpkg: warning: while removing hplip-data, directory '/usr/share/hplip/prnt' not empty so not removed dpkg: warning: while removing hplip-data, directory '/usr/share/hplip/ui4' not empty so not removed Removing ubuntu-standard (1.361.1) ... Removing language-selector-common (0.165.4) ... Removing libgnome2-bin (2.32.1-5ubuntu1) ... Removing libpurple-bin (1:2.10.12-0ubuntu5.2) ... Removing linux-tools-gcp (4.10.0.1008.10) ... Removing linux-tools-4.10.0-1008-gcp (4.10.0-1008.8) ... Removing linux-gcp-tools-4.10.0-1008 (4.10.0-1008.8) ... Removing linux-tools-common (4.4.0-98.121) ... Removing onboard-data (1.2.0-0ubuntu5) ... Removing onboard (1.2.0-0ubuntu5) ... Removing openprinting-ppds (20160212-0ubuntu1) ... Removing plainbox-provider-checkbox (0.25-1) ... Removing plainbox-provider-resource-generic (0.23-1) ... Removing plymouth-theme-ubuntu-text (0.9.2-3ubuntu13.2) ... update-initramfs: deferring update (trigger activated) Removing printer-driver-foo2zjs (20151024dfsg0-1ubuntu1) ... Removing printer-driver-foo2zjs-common (20151024dfsg0-1ubuntu1) ... Removing printer-driver-ptouch (1.4-1) ... Removing printer-driver-pxljr (1.4+repack0-4) ... Removing pyotherside (1.4.0-2) ... Removing python3-apport (2.20.1-0ubuntu2.12) ... Removing system-config-printer-gnome (1.5.7+20160212-0ubuntu2) ... Removing python3-aptdaemon.pkcompat (1.1.1+bzr982-0ubuntu14) ... Removing software-properties-gtk (0.96.20.7) ... Removing unity-lens-photos (1.0+14.04.20140318-0ubuntu1) ... Removing python3-oauthlib (1.0.3-1) ... Removing python3-blinker (1.3.dfsg2-1build1) ... Removing python3-brlapi (5.3.1-2ubuntu2.1) ... Removing python3-bs4 (4.4.1-1) ... Removing python3-gi-cairo (3.20.0-0ubuntu1) ... Removing python3-cairo (1.10.0+dfsg-5build1) ... Removing python3-cryptography (1.2.3-1ubuntu0.1) ... Removing python3-cffi-backend (1.5.2-1ubuntu1) ... Removing python3-plainbox (0.25-1) ... Removing system-config-printer-common (1.5.7+20160212-0ubuntu2) ... Removing usb-creator-gtk (0.3.2) ... Removing usb-creator-common (0.3.2) ... Removing python3-checkbox-support (0.22-1) ... Removing system-config-printer-udev (1.5.7+20160212-0ubuntu2) ... Removing python3-cups (1.9.73-0ubuntu2) ... Removing ttf-mscorefonts-installer (3.4+nmu1ubuntu2) ... Removing software-properties-common (0.96.20.7) ... Removing unity-scope-openclipart (0.1+13.10.20130723-0ubuntu1) ... Removing python3-feedparser (5.1.3-3build1) ... Removing python3-pyatspi (2.18.0+dfsg-3) ... Removing python3-guacamole (0.9.2-1) ... Removing python3-html5lib (0.999-4) ... Removing python3-httplib2 (0.9.1+dfsg-1) ... Removing python3-idna (2.0-3) ... Removing python3-jinja2 (2.8-1) ... Removing python3-jwt (1.3.0-1ubuntu0.1) ... Removing python3-louis (2.6.4-2ubuntu0.1) ... Removing unity-scope-devhelp (0.1+14.04.20140328-0ubuntu1) ... Removing python3-lxml (3.5.0-1build1) ... Removing rhythmbox-plugins (3.3-1ubuntu7) ... Removing python3-mako (1.0.3+ds1-1ubuntu1) ... Removing python3-markupsafe (0.23-2build2) ... Removing python3-padme (1.1.1-2) ... Removing python3-pexpect (4.0.1-1) ... Removing python3-pil:amd64 (3.1.2-0ubuntu1.1) ... Removing python3-problem-report (2.20.1-0ubuntu2.12) ... Removing python3-ptyprocess (0.5-1) ... Removing python3-pyasn1 (0.1.9-1) ... Removing python3-software-properties (0.96.20.7) ... Removing python3-pycurl (7.43.0-1ubuntu1) ... Removing python3-pyparsing (2.0.3+dfsg1-1ubuntu0.1) ... Removing python3-pyqt5.qtwebsockets (5.5.1+dfsg-3ubuntu4) ... Removing python3-pyqt5.qtsvg (5.5.1+dfsg-3ubuntu4) ... Removing python3-pyqt5 (5.5.1+dfsg-3ubuntu4) ... Removing python3-renderpm:amd64 (3.3.0-1) ... Removing python3-reportlab (3.3.0-1) ... Removing python3-reportlab-accel:amd64 (3.3.0-1) ... Removing python3-sip (4.17+dfsg-1build1) ... Removing python3-speechd (0.8.3-1ubuntu3) ... Removing python3-systemd (231-2build1) ... Removing totem-plugins (3.18.1-1ubuntu4) ... Removing python3-xdg (0.25-4) ... Removing ubuntu-drivers-common (1:0.4.17.3) ... Removing python3-xkit (0.5.0ubuntu2) ... Removing python3-xlsxwriter (0.7.3-1) ... Removing rhythmbox-plugin-zeitgeist (3.3-1ubuntu7) ... Removing rhythmbox (3.3-1ubuntu7) ... Removing qml-module-io-thp-pyotherside:amd64 (1.4.0-2) ... Removing ubuntu-minimal (1.361.1) ... Removing ubuntu-system-service (0.3) ... Removing ufw (0.35-0ubuntu2) ... Skip stopping firewall: ufw (not enabled) Removing unity-scope-calculator (0.1+14.04.20140328-0ubuntu1) ... Removing unity-scope-chromiumbookmarks (0.1+13.10.20130723-0ubuntu1) ... Removing unity-scope-colourlovers (0.1+13.10.20130723-0ubuntu1) ... Removing unity-scope-firefoxbookmarks (0.1+13.10.20130809.1-0ubuntu1) ... Removing unity-scope-gdrive (0.9+16.04.20151125-0ubuntu1) ... Removing unity-scope-home (6.8.2+16.04.20160212.1-0ubuntu1) ... Removing unity-scope-manpages (3.0+14.04.20140324-0ubuntu1) ... Removing unity-scope-texdoc (0.1+14.04.20140328-0ubuntu1) ... Removing unity-scope-tomboy (0.1+13.10.20130723-0ubuntu1) ... Removing unity-scope-virtualbox (0.1+13.10.20130723-0ubuntu1) ... Removing unity-scope-yelp (0.1+13.10.20130723-0ubuntu1) ... Removing unity-scope-zotero (0.1+13.10.20130723-0ubuntu1) ... Removing snapd (2.28.5) ... Warning: Stopping snapd.service, but it can still be activated by: snapd.socket Removing apparmor (2.10.95-0ubuntu2.7) ... Removing aptdaemon (1.1.1+bzr982-0ubuntu14) ... Removing libgnome-2-0:amd64 (2.32.1-5ubuntu1) ... Removing libgnome2-common (2.32.1-5ubuntu1) ... Removing python3-cupshelpers (1.5.7+20160212-0ubuntu2) ... Removing python3-requests (2.9.1-3) ... Removing python3-urllib3 (1.13.1-2ubuntu0.16.04.1) ... Removing libgnomevfs2-0:amd64 (1:2.24.4-6.1ubuntu1) ... Removing libgnomevfs2-common (1:2.24.4-6.1ubuntu1) ... Removing gconf2 (3.2.6-3ubuntu6) ... Removing update-notifier (3.168.5) ... Removing update-notifier-common (3.168.5) ... Removing python3-debian (0.1.27ubuntu2) ... Removing python3-chardet (2.3.0-2) ... Removing python3-six (1.10.0-3) ... Removing dh-python (2.20151103ubuntu1.1) ... Removing unity-control-center (15.04.0+16.04.20170214-0ubuntu1) ... Removing indicator-bluetooth (0.0.6+16.04.20160526-0ubuntu1) ... Removing ibus (1.5.11-1ubuntu2) ... Removing gir1.2-ibus-1.0:amd64 (1.5.11-1ubuntu2) ... Removing gnome-menus (3.13.3-6ubuntu3.1) ... Removing update-manager (1:16.04.10) ... Removing python3-aptdaemon.gtk3widgets (1.1.1+bzr982-0ubuntu14) ... Removing python3-aptdaemon (1.1.1+bzr982-0ubuntu14) ... Removing python3-defer (1.0.6-2build1) ... Removing update-manager-core (1:16.04.10) ... Removing python3-update-manager (1:16.04.10) ... Removing python3-pkg-resources (20.7.0-1) ... Removing ubuntu-release-upgrader-gtk (1:16.04.23) ... Removing python3-dbus (1.2.0-3) ... Removing ubuntu-release-upgrader-core (1:16.04.23) ... Removing python3-distupgrade (1:16.04.23) ... Removing python3-gi (3.20.0-0ubuntu1) ... Removing lsb-release (9.20160110ubuntu0.2) ... Removing python3-apt (1.1.0~beta1build1) ... dpkg: python3: dependency problems, but removing anyway as you requested: python-apt-common depends on python | python3; however: Package python is not installed. Package python3 is to be removed.

Removing python3 (3.5.1-3) ... Removing python3.5 (3.5.2-2ubuntu0~16.04.3) ... Processing triggers for desktop-file-utils (0.22-1ubuntu5.1) ... Processing triggers for bamfdaemon (0.5.3~bzr0+16.04.20160824-0ubuntu1) ... Rebuilding /usr/share/applications/bamf-2.index... Processing triggers for mime-support (3.59ubuntu1) ... Processing triggers for libglib2.0-0:amd64 (2.48.2-0ubuntu1) ... Processing triggers for man-db (2.7.5-1) ... Processing triggers for hicolor-icon-theme (0.15-0ubuntu1) ... Processing triggers for cups (2.1.3-4ubuntu0.3) ... Processing triggers for libc-bin (2.23-0ubuntu9) ... Processing triggers for shared-mime-info (1.5-2ubuntu0.1) ... Processing triggers for dbus (1.10.6-1ubuntu3.3) ... Processing triggers for initramfs-tools (0.122ubuntu8.9) ... update-initramfs: Generating /boot/initrd.img-4.10.0-38-generic Processing triggers for doc-base (0.10.7) ... Processing 2 removed doc-base files... Selecting previously unselected package python2.7. (Reading database ... 190546 files and directories currently installed.) Preparing to unpack .../python2.7_2.7.12-1ubuntu0~16.04.1_amd64.deb ... Unpacking python2.7 (2.7.12-1ubuntu0~16.04.1) ... Selecting previously unselected package python. Preparing to unpack .../python_2.7.11-1_amd64.deb ... Unpacking python (2.7.11-1) ... Selecting previously unselected package libboost-regex1.58.0:amd64. Preparing to unpack .../libboost-regex1.58.0_1.58.0+dfsg-5ubuntu3.1_amd64.deb ... Unpacking libboost-regex1.58.0:amd64 (1.58.0+dfsg-5ubuntu3.1) ... Selecting previously unselected package libboost-log1.58.0. Preparing to unpack .../libboost-log1.58.0_1.58.0+dfsg-5ubuntu3.1_amd64.deb ... Unpacking libboost-log1.58.0 (1.58.0+dfsg-5ubuntu3.1) ... Selecting previously unselected package libclick-0.4-0:amd64. Preparing to unpack .../libclick-0.4-0_0.4.43+16.04.20170613-0ubuntu1_amd64.deb ... Unpacking libclick-0.4-0:amd64 (0.4.43+16.04.20170613-0ubuntu1) ... 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Setting up libboost-regex1.58.0:amd64 (1.58.0+dfsg-5ubuntu3.1) ... Setting up libboost-log1.58.0 (1.58.0+dfsg-5ubuntu3.1) ... Setting up libclick-0.4-0:amd64 (0.4.43+16.04.20170613-0ubuntu1) ... Setting up liblibertine1:amd64 (1.0.0+16.04.20160411-0ubuntu1) ... Setting up liburcu4:amd64 (0.9.1-3) ... Setting up liblttng-ust-ctl2:amd64 (2.7.1-1) ... Setting up liblttng-ust0:amd64 (2.7.1-1) ... Setting up libubuntu-app-launch2:amd64 (0.5+15.10.20150817-0ubuntu3) ... Setting up libgflags2v5 (2.1.2-3) ... Setting up libgoogle-glog0v5 (0.3.4-0.1) ... Setting up libudm-common1 (1.2+16.04.20160408-0ubuntu1) ... Setting up libubuntu-download-manager-common1 (1.2+16.04.20160408-0ubuntu1) ... Setting up libubuntu-download-manager-client1 (1.2+16.04.20160408-0ubuntu1) ... Setting up libcontent-hub0:amd64 (0.1+16.04.20160309-0ubuntu1) ... Setting up qtdeclarative5-ubuntu-content1 (0.1+16.04.20160309-0ubuntu1) ... Processing triggers for libc-bin (2.23-0ubuntu9) ... gaurav@gs:~$

marked as duplicate by karel, Charles Green, Videonauth, waltinator, Fabby Nov 19 '17 at 10:51

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

Ubuntu requires Python3 for versions 16.04 and later. A large number of the core system utility scripts operate on Python3.

By removing Python3, you've effectively disabled your system from being usable. Python 2, Python 3.5, and Python 3.6 are all valid versions. Python 2 and Python 3.5 are both needed by your system if they're installed. Python 3.6 isn't part of a standard Ubuntu 16.04.03 installation so if you have it it's probably a local copy for a specific software you use or in a separate installation/usability directory.

Your only hope of respite to resolve the issue in the least-technical way possible is to reinstall Ubuntu to your computer. And then don't fuss with the Python software that is installed on the system in the future.

  • I'm ready to do that. I mean reinstall Ubuntu. Could you please help me to do that. I'm on dual boot setup. So little afraid of doing that. I"ve bootable ubuntu in pendrive. – Gaurav Nov 17 '17 at 20:43

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