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I have an Asus Q500A with win8 and Ubuntu 12.04 64 bit; Linux kernel 3.8.0-32-generic. I have been having residual package issues which have been giving me trouble trying to reconfigure xserver-xorg-lts-raring. I tried removing all residual packages from synaptic but the following were not removed. I've been using sudo apt-get purge name to remove packages one at a time, I am down to libieee1284-3:i386 but it is too time consuming. Is there a way I can remove all of them at once, or groups of them?

Output of sudo dpkg -l | grep "^rc"

rc  gstreamer0.10-plugins-good:i386             0.10.31-1ubuntu1.2                          GStreamer plugins from the "good" set
rc  libaa1:i386                                 1.4p5-39ubuntu1                             ASCII art library
rc  libaio1:i386                                0.3.109-2ubuntu1                            Linux kernel AIO access library - shared library
rc  libao4:i386                                 1.1.0-1ubuntu2                              Cross Platform Audio Output Library
rc  libasn1-8-heimdal:i386                      1.6~git20120311.dfsg.1-2ubuntu0.1           Heimdal Kerberos - ASN.1 library
rc  libasound2:i386                             1.0.25-1ubuntu10.2                          shared library for ALSA applications
rc  libasyncns0:i386                            0.8-4                                       Asynchronous name service query library
rc  libatk1.0-0:i386                            2.4.0-0ubuntu1                              ATK accessibility toolkit
rc  libavahi-client3:i386                       0.6.30-5ubuntu2                             Avahi client library
rc  libavahi-common3:i386                       0.6.30-5ubuntu2                             Avahi common library
rc  libavc1394-0:i386                           0.5.3-1ubuntu2                              control IEEE 1394 audio/video devices
rc  libcaca0:i386                               0.99.beta17-2.1ubuntu2                      colour ASCII art library
rc  libcairo-gobject2:i386                      1.10.2-6.1ubuntu3                           The Cairo 2D vector graphics library (GObject library)
rc  libcairo2:i386                              1.10.2-6.1ubuntu3                           The Cairo 2D vector graphics library
rc  libcanberra-gtk0:i386                       0.28-3ubuntu3                               GTK+ helper for playing widget event sounds with libcanberra
rc  libcanberra0:i386                           0.28-3ubuntu3                               simple abstract interface for playing event sounds
rc  libcap2:i386                                1:2.22-1ubuntu3                             support for getting/setting POSIX.1e capabilities
rc  libcdparanoia0:i386                         3.10.2+debian-10ubuntu1                     audio extraction tool for sampling CDs (library)
rc  libcroco3:i386                              0.6.5-1ubuntu0.1                            Cascading Style Sheet (CSS) parsing and manipulation toolkit
rc  libcups2:i386                               1.5.3-0ubuntu8                              Common UNIX Printing System(tm) - Core library
rc  libcupsimage2:i386                          1.5.3-0ubuntu8                              Common UNIX Printing System(tm) - Raster image library
rc  libcurl3:i386                               7.22.0-3ubuntu4.3                           Multi-protocol file transfer library (OpenSSL)
rc  libdatrie1:i386                             0.2.5-3                                     Double-array trie library
rc  libdbus-glib-1-2:i386                       0.98-1ubuntu1.1                             simple interprocess messaging system (GLib-based shared library)
rc  libdbusmenu-qt2:i386                        0.9.2-0ubuntu1                              Qt implementation of the DBusMenu protocol
rc  libdrm-nouveau2:i386                        2.4.43-0ubuntu0.0.3                         Userspace interface to nouveau-specific kernel DRM services -- runtime
rc  libdv4:i386                                 1.0.0-3ubuntu1                              software library for DV format digital video (runtime lib)
rc  libesd0:i386                                0.2.41-10build3                             Enlightened Sound Daemon - Shared libraries
rc  libexif12:i386                              0.6.20-2ubuntu0.1                           library to parse EXIF files
rc  libexpat1:i386                              2.0.1-7.2ubuntu1.1                          XML parsing C library - runtime library
rc  libflac8:i386                               1.2.1-6                                     Free Lossless Audio Codec - runtime C library
rc  libfontconfig1:i386                         2.8.0-3ubuntu9.1                            generic font configuration library - runtime
rc  libfreetype6:i386                           2.4.8-1ubuntu2.1                            FreeType 2 font engine, shared library files
rc  libgail18:i386                              2.24.10-0ubuntu6                            GNOME Accessibility Implementation Library -- shared libraries
rc  libgconf-2-4:i386                           3.2.5-0ubuntu2                              GNOME configuration database system (shared libraries)
rc  libgcrypt11:i386                            1.5.0-3ubuntu0.2                            LGPL Crypto library - runtime library
rc  libgd2-xpm:i386                             2.0.36~rc1~dfsg-6ubuntu2                    GD Graphics Library version 2
rc  libgdbm3:i386                               1.8.3-10                                    GNU dbm database routines (runtime version)
rc  libgdk-pixbuf2.0-0:i386                     2.26.1-1                                    GDK Pixbuf library
rc  libgif4:i386                                4.1.6-9ubuntu1                              library for GIF images (library)
rc  libgl1-mesa-dri-lts-quantal:i386            9.0.3-0ubuntu0.4~precise1                   free implementation of the OpenGL API -- DRI modules
rc  libgl1-mesa-dri-lts-raring:i386             9.1.4-0ubuntu0.1~precise2                   free implementation of the OpenGL API -- DRI modules
rc  libgl1-mesa-glx:i386                        8.0.4-0ubuntu0.6                            free implementation of the OpenGL API -- GLX runtime
rc  libgl1-mesa-glx-lts-quantal:i386            9.0.3-0ubuntu0.4~precise1                   free implementation of the OpenGL API -- GLX runtime
rc  libgl1-mesa-glx-lts-raring:i386             9.1.4-0ubuntu0.1~precise2                   free implementation of the OpenGL API -- GLX runtime
rc  libglapi-mesa:i386                          8.0.4-0ubuntu0.6                            free implementation of the GL API -- shared library
rc  libglapi-mesa-lts-quantal:i386              9.0.3-0ubuntu0.4~precise1                   free implementation of the GL API -- shared library
rc  libglapi-mesa-lts-raring:i386               9.1.4-0ubuntu0.1~precise2                   free implementation of the GL API -- shared library
rc  libglu1-mesa:i386                           8.0.4-0ubuntu0.6                            Mesa OpenGL utility library (GLU)
rc  libgnome-keyring0:i386                      3.2.2-2                                     GNOME keyring services library
rc  libgnutls26:i386                            2.12.14-5ubuntu3.5                          GNU TLS library - runtime library
rc  libgomp1:i386                               4.6.3-1ubuntu5                              GCC OpenMP (GOMP) support library
rc  libgpg-error0:i386                          1.10-2ubuntu1                               library for common error values and messages in GnuPG components
rc  libgphoto2-2:i386                           2.4.13-1ubuntu1.2                           gphoto2 digital camera library
rc  libgphoto2-port0:i386                       2.4.13-1ubuntu1.2                           gphoto2 digital camera port library
rc  libgssapi-krb5-2:i386                       1.10+dfsg~beta1-2ubuntu0.3                  MIT Kerberos runtime libraries - krb5 GSS-API Mechanism
rc  libgssapi3-heimdal:i386                     1.6~git20120311.dfsg.1-2ubuntu0.1           Heimdal Kerberos - GSSAPI support library
rc  libgstreamer-plugins-base0.10-0:i386        0.10.36-1ubuntu0.1                          GStreamer libraries from the "base" set
rc  libgstreamer0.10-0:i386                     0.10.36-1ubuntu1                            Core GStreamer libraries and elements
rc  libgtk2.0-0:i386                            2.24.10-0ubuntu6                            GTK+ graphical user interface library
rc  libgudev-1.0-0:i386                         1:175-0ubuntu9.4                            GObject-based wrapper library for libudev
rc  libhcrypto4-heimdal:i386                    1.6~git20120311.dfsg.1-2ubuntu0.1           Heimdal Kerberos - crypto library
rc  libheimbase1-heimdal:i386                   1.6~git20120311.dfsg.1-2ubuntu0.1           Heimdal Kerberos - Base library
rc  libheimntlm0-heimdal:i386                   1.6~git20120311.dfsg.1-2ubuntu0.1           Heimdal Kerberos - NTLM support library
rc  libhx509-5-heimdal:i386                     1.6~git20120311.dfsg.1-2ubuntu0.1           Heimdal Kerberos - X509 support library
rc  libibus-1.0-0:i386                          1.4.1-3ubuntu1                              Intelligent Input Bus - shared library
rc  libice6:i386                                2:1.0.7-2build1                             X11 Inter-Client Exchange library
rc  libidn11:i386                               1.23-2                                      GNU Libidn library, implementation of IETF IDN specifications
rc  libiec61883-0:i386                          1.2.0-0.1ubuntu1                            an partial implementation of IEC 61883
rc  libieee1284-3:i386                          0.2.11-10build1                             cross-platform library for parallel port access
rc  libjack-jackd2-0:i386                       1.9.8~dfsg.1-1ubuntu2                       JACK Audio Connection Kit (libraries)
rc  libjasper1:i386                             1.900.1-13                                  JasPer JPEG-2000 runtime library
rc  libjpeg-turbo8:i386                         1.1.90+svn733-0ubuntu4.2                    IJG JPEG compliant runtime library.
rc  libjson0:i386                               0.9-1ubuntu1                                JSON manipulation library - shared library
rc  libk5crypto3:i386                           1.10+dfsg~beta1-2ubuntu0.3                  MIT Kerberos runtime libraries - Crypto Library
rc  libkeyutils1:i386                           1.5.2-2                                     Linux Key Management Utilities (library)
rc  libkrb5-26-heimdal:i386                     1.6~git20120311.dfsg.1-2ubuntu0.1           Heimdal Kerberos - libraries
rc  libkrb5-3:i386                              1.10+dfsg~beta1-2ubuntu0.3                  MIT Kerberos runtime libraries
rc  libkrb5support0:i386                        1.10+dfsg~beta1-2ubuntu0.3                  MIT Kerberos runtime libraries - Support library
rc  liblcms1:i386                               1.19.dfsg-1ubuntu3                          Little CMS color management library
rc  libldap-2.4-2:i386                          2.4.28-1.1ubuntu4.4                         OpenLDAP libraries
rc  libllvm3.0:i386                             3.0-4ubuntu1                                Low-Level Virtual Machine (LLVM), runtime library
rc  libllvm3.1:i386                             3.1-2ubuntu1~12.04.1                        Low-Level Virtual Machine (LLVM), runtime library
rc  libllvm3.2:i386                             3.2-2ubuntu5~precise1                       Low-Level Virtual Machine (LLVM), runtime library
rc  libltdl7:i386                               2.4.2-1ubuntu1                              A system independent dlopen wrapper for GNU libtool
rc  libmad0:i386                                0.15.1b-7ubuntu1                            MPEG audio decoder library
rc  libmikmod2:i386                             3.1.12-2                                    Portable sound library
rc  libmng1:i386                                1.0.10-3                                    Multiple-image Network Graphics library
rc  libmpg123-0:i386                            1.12.1-3.2ubuntu1                           MPEG layer 1/2/3 audio decoder -- runtime library
rc  libmysqlclient18:i386                       5.5.32-0ubuntu0.12.04.1                     MySQL database client library
rc  libnspr4:i386                               4.9.5-0ubuntu0.12.04.1                      NetScape Portable Runtime Library
rc  libnss3:i386                                3.14.3-0ubuntu0.12.04.1                     Network Security Service libraries
rc  libodbc1:i386                               2.2.14p2-5ubuntu3                           ODBC library for Unix
rc  libogg0:i386                                1.2.2~dfsg-1ubuntu1                         Ogg bitstream library
rc  libopenal1:i386                             1:1.13-4ubuntu3                             Software implementation of the OpenAL API (shared library)
rc  liborc-0.4-0:i386                           1:0.4.16-1ubuntu2                           Library of Optimized Inner Loops Runtime Compiler
rc  libosmesa6:i386                             8.0.4-0ubuntu0.6                            Mesa Off-screen rendering extension
rc  libp11-kit0:i386                            0.12-2ubuntu1                               Library for loading and coordinating access to PKCS#11 modules - runtime
rc  libpango1.0-0:i386                          1.30.0-0ubuntu3.1                           Layout and rendering of internationalized text
rc  libpixman-1-0:i386                          0.24.4-1                                    pixel-manipulation library for X and cairo
rc  libproxy1:i386                              0.4.7-0ubuntu4.1                            automatic proxy configuration management library (shared)
rc  libpulse-mainloop-glib0:i386                1:1.1-0ubuntu15.4                           PulseAudio client libraries (glib support)
rc  libpulse0:i386                              1:1.1-0ubuntu15.4                           PulseAudio client libraries
rc  libqt4-dbus:i386                            4:4.8.1-0ubuntu4.4                          Qt 4 D-Bus module
rc  libqt4-declarative:i386                     4:4.8.1-0ubuntu4.4                          Qt 4 Declarative module
rc  libqt4-designer:i386                        4:4.8.1-0ubuntu4.4                          Qt 4 designer module
rc  libqt4-network:i386                         4:4.8.1-0ubuntu4.4                          Qt 4 network module
rc  libqt4-opengl:i386                          4:4.8.1-0ubuntu4.4                          Qt 4 OpenGL module
rc  libqt4-qt3support:i386                      4:4.8.1-0ubuntu4.4                          Qt 3 compatibility library for Qt 4
rc  libqt4-script:i386                          4:4.8.1-0ubuntu4.4                          Qt 4 script module
rc  libqt4-scripttools:i386                     4:4.8.1-0ubuntu4.4                          Qt 4 script tools module
rc  libqt4-sql:i386                             4:4.8.1-0ubuntu4.4                          Qt 4 SQL module
rc  libqt4-svg:i386                             4:4.8.1-0ubuntu4.4                          Qt 4 SVG module
rc  libqt4-test:i386                            4:4.8.1-0ubuntu4.4                          Qt 4 test module
rc  libqt4-xml:i386                             4:4.8.1-0ubuntu4.4                          Qt 4 XML module
rc  libqt4-xmlpatterns:i386                     4:4.8.1-0ubuntu4.4                          Qt 4 XML patterns module
rc  libqtcore4:i386                             4:4.8.1-0ubuntu4.4                          Qt 4 core module
rc  libqtgui4:i386                              4:4.8.1-0ubuntu4.4                          Qt 4 GUI module
rc  libqtwebkit4:i386                           2.2.1-1ubuntu4                              Web content engine library for Qt
rc  libraw1394-11:i386                          2.0.7-1ubuntu1                              library for direct access to IEEE 1394 bus (aka FireWire)
rc  libroken18-heimdal:i386                     1.6~git20120311.dfsg.1-2ubuntu0.1           Heimdal Kerberos - roken support library
rc  librsvg2-2:i386                             2.36.1-0ubuntu1                             SAX-based renderer library for SVG files (runtime)
rc  librtmp0:i386                               2.4~20110711.gitc28f1bab-1                  toolkit for RTMP streams (shared library)
rc  libsamplerate0:i386                         0.1.8-4                                     Audio sample rate conversion library
rc  libsane:i386                                1.0.22-7ubuntu1                             API library for scanners
rc  libsasl2-2:i386                             2.1.25.dfsg1-3ubuntu0.1                     Cyrus SASL - authentication abstraction library
rc  libsdl-image1.2:i386                        1.2.10-3                                    image loading library for Simple DirectMedia Layer 1.2
rc  libsdl-mixer1.2:i386                        1.2.11-7                                    Mixer library for Simple DirectMedia Layer 1.2, libraries
rc  libsdl-net1.2:i386                          1.2.7-5                                     Network library for Simple DirectMedia Layer 1.2, libraries
rc  libsdl-ttf2.0-0:i386                        2.0.9-1.1ubuntu1                            ttf library for Simple DirectMedia Layer with FreeType 2 support
rc  libsdl1.2debian:i386                        1.2.14-6.4ubuntu3                           Simple DirectMedia Layer
rc  libshout3:i386                              2.2.2-7ubuntu1                              MP3/Ogg Vorbis broadcast streaming library
rc  libsm6:i386                                 2:1.2.0-2build1                             X11 Session Management library
rc  libsndfile1:i386                            1.0.25-4                                    Library for reading/writing audio files
rc  libsoup-gnome2.4-1:i386                     2.38.1-1                                    HTTP library implementation in C -- GNOME support library
rc  libsoup2.4-1:i386                           2.38.1-1                                    HTTP library implementation in C -- Shared library
rc  libspeex1:i386                              1.2~rc1-3ubuntu2                            The Speex codec runtime library
rc  libspeexdsp1:i386                           1.2~rc1-3ubuntu2                            The Speex extended runtime library
rc  libsqlite3-0:i386                           3.7.9-2ubuntu1.1                            SQLite 3 shared library
rc  libssl0.9.8:i386                            0.9.8o-7ubuntu3.1                           SSL shared libraries
rc  libstdc++5:i386                             1:3.3.6-25ubuntu1                           The GNU Standard C++ Library v3
rc  libstdc++6:i386                             4.6.3-1ubuntu5                              GNU Standard C++ Library v3
rc  libtag1-vanilla:i386                        1.7-1ubuntu5                                audio meta-data library - vanilla flavour
rc  libtasn1-3:i386                             2.10-1ubuntu1.1                             Manage ASN.1 structures (runtime)
rc  libtdb1:i386                                1.2.9-4                                     Trivial Database - shared library
rc  libthai0:i386                               0.1.16-3                                    Thai language support library
rc  libtheora0:i386                             1.1.1+dfsg.1-3ubuntu2                       The Theora Video Compression Codec
rc  libtiff4:i386                               3.9.5-2ubuntu1.5                            Tag Image File Format (TIFF) library
rc  libtxc-dxtn-s2tc0:i386                      0~git20110809-2.1                           Texture compression library for Mesa
rc  libunistring0:i386                          0.9.3-5                                     Unicode string library for C
rc  libusb-0.1-4:i386                           2:0.1.12-20                                 userspace USB programming library
rc  libv4l-0:i386                               0.8.6-1ubuntu2                              Collection of video4linux support libraries
rc  libv4lconvert0:i386                         0.8.6-1ubuntu2                              Video4linux frame format conversion library
rc  libvisual-0.4-0:i386                        0.4.0-4                                     Audio visualization framework
rc  libvorbis0a:i386                            1.3.2-1ubuntu3                              The Vorbis General Audio Compression Codec (Decoder library)
rc  libvorbisenc2:i386                          1.3.2-1ubuntu3                              The Vorbis General Audio Compression Codec (Encoder library)
rc  libvorbisfile3:i386                         1.3.2-1ubuntu3                              The Vorbis General Audio Compression Codec (High Level API)
rc  libwavpack1:i386                            4.60.1-2                                    audio codec (lossy and lossless) - library
rc  libwind0-heimdal:i386                       1.6~git20120311.dfsg.1-2ubuntu0.1           Heimdal Kerberos - stringprep implementation
rc  libwrap0:i386                               7.6.q-21                                    Wietse Venema's TCP wrappers library
rc  libx11-6:i386                               2:1.4.99.1-0ubuntu2.2                       X11 client-side library
rc  libx11-xcb1:i386                            2:1.4.99.1-0ubuntu2.2                       Xlib/XCB interface library
rc  libxau6:i386                                1:1.0.6-4                                   X11 authorisation library
rc  libxaw7:i386                                2:1.0.9-3ubuntu1                            X11 Athena Widget library
rc  libxcb-dri2-0:i386                          1.8.1-1ubuntu0.2                            X C Binding, dri2 extension
rc  libxcb-glx0:i386                            1.8.1-1ubuntu0.2                            X C Binding, glx extension
rc  libxcb-render0:i386                         1.8.1-1ubuntu0.2                            X C Binding, render extension
rc  libxcb-shm0:i386                            1.8.1-1ubuntu0.2                            X C Binding, shm extension
rc  libxcb1:i386                                1.8.1-1ubuntu0.2                            X C Binding
rc  libxcomposite1:i386                         1:0.4.3-2build1                             X11 Composite extension library
rc  libxcursor1:i386                            1:1.1.12-1ubuntu0.1                         X cursor management library
rc  libxdamage1:i386                            1:1.1.3-2build1                             X11 damaged region extension library
rc  libxdmcp6:i386                              1:1.1.0-4                                   X11 Display Manager Control Protocol library
rc  libxext6:i386                               2:1.3.0-3ubuntu0.1                          X11 miscellaneous extension library
rc  libxfixes3:i386                             1:5.0-4ubuntu4.1                            X11 miscellaneous 'fixes' extension library
rc  libxft2:i386                                2.2.0-3ubuntu2                              FreeType-based font drawing library for X
rc  libxi6:i386                                 2:1.6.0-0ubuntu2.1                          X11 Input extension library
rc  libxinerama1:i386                           2:1.1.1-3ubuntu0.1                          X11 Xinerama extension library
rc  libxml2:i386                                2.7.8.dfsg-5.1ubuntu4.6                     GNOME XML library
rc  libxmu6:i386                                2:1.1.0-3                                   X11 miscellaneous utility library
rc  libxp6:i386                                 1:1.0.1-2ubuntu0.12.04.1                    X Printing Extension (Xprint) client library
rc  libxpm4:i386                                1:3.5.9-4                                   X11 pixmap library
rc  libxrandr2:i386                             2:1.3.2-2ubuntu0.2                          X11 RandR extension library
rc  libxrender1:i386                            1:0.9.6-2ubuntu0.1                          X Rendering Extension client library
rc  libxslt1.1:i386                             1.1.26-8ubuntu1.3                           XSLT 1.0 processing library - runtime library
rc  libxss1:i386                                1:1.2.1-2                                   X11 Screen Saver extension library
rc  libxt6:i386                                 1:1.1.1-2ubuntu0.1                          X11 toolkit intrinsics library
rc  libxtst6:i386                               2:1.2.0-4ubuntu0.1                          X11 Testing -- Record extension library
rc  libxv1:i386                                 2:1.0.6-2ubuntu0.1                          X11 Video extension library
rc  libxxf86vm1:i386                            1:1.1.1-2ubuntu0.1                          X11 XFree86 video mode extension library
rc  odbcinst1debian2:i386                       2.2.14p2-5ubuntu3                           Support library for accessing odbc ini files
rc  skype-bin:i386                              4.2.0.11-0ubuntu0.12.04.2                   client for Skype VOIP and instant messaging service - binary files
rc  sni-qt:i386                                 0.2.5-0ubuntu3                              indicator support for Qt
rc  wine-compholio:i386                         1.7.4~ubuntu12.04.1                         The Compholio Edition is a special build of the popular Wine software
rc  xaw3dg:i386                                 1.5+E-18.1ubuntu1                           Xaw3d widget set
0

3 Answers 3

59

I give you some commands that will help you to find and remove broken packages and residual packages etc.

  • To find if any broken packages are there:

     sudo dpkg -l | grep "^iU"
    
  • To remove broken packages any of two commands will help:

     sudo apt-get -f install
     sudo apt-get remove --purge $(dpkg -l | grep "^iU" | awk '{print $2}')
    
  • To find the residual packages following command will help:

     sudo dpkg -l | grep "^rc"
    

Note: if any package is installed without any error, the first column starts with ii but for residual package it starts with rc, and for broken it starts with iU. For more information about package state letters, see this answer.

  • To remove all residual packages:

     sudo apt-get remove --purge $(dpkg -l | awk '/^rc/{print $2}')
    

I wish after knowing these commands you'll be able to solve your problems. I'll be always waiting for your reply, if you need any help.

7
  • Thanks man, that removed all of the residual packages! I will now go back to your step 4. For anyone else reading this, the step 4 is about configuring xorg :askubuntu.com/questions/342276/…
    – hydroxide
    Oct 26, 2013 at 17:25
  • 1
    I have started a new post regarding my keyboard issues.askubuntu.com/questions/366346/…
    – hydroxide
    Oct 26, 2013 at 18:57
  • 1
    @Saurav, is sudo really needed in sudo dpkg -l | grep "^rc"? Even without sudo, the output is the same. What do you think?
    – DK Bose
    Nov 19, 2015 at 16:00
  • 2
    @DKBose: yes both are same, since dpkg -l is used only for listing the packages and it can be omitted here. Thanks. Nov 23, 2015 at 7:34
  • 1
    Why not just apt purge instead of `apt-get remove --purge? May 9, 2020 at 16:11
16

Since version 2.0 in Ubuntu APT itself provides support for patterns

apt purge '~c'
2
  • By far, the best answer. =) Dec 21, 2023 at 20:28
  • For people with poor eyesight like me, it's tilde small C
    – Samveen
    Mar 16 at 8:30
9

There is an easier way using aptitude:

To list the residual packages:

aptitude search ~c

To purge them:

sudo aptitude purge ~c

Source

6
  • When I do that is says "This aptitude does not have Super Cow Powers"
    – hydroxide
    Feb 14, 2017 at 0:32
  • On my Ubuntu 16.04 system 'aptitude search ~c' doesn't work. It says 'sh: 1: aptitude: not found'. However apt search ~c does work. Sep 3, 2017 at 12:32
  • @hydroxide are you sure your using it with sudo permissions? Sep 3, 2017 at 12:34
  • 1
    aptitude is not installed by default on newer ubuntu versions. So you may need to "apt install aptitude" first.
    – Tomofumi
    Jan 24, 2018 at 2:31
  • @hydroxide you likely didn't use [tilde][c] but [hyphen][c]. ~c (i.e., [tilde][c]), as correctly described in the answer, does work just fine.
    – Ionic
    Aug 19, 2019 at 7:48

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