How do I resolve The following packages have unmet dependencies

Question

I was using this script to install basic software  but had to interrupt because of slow internet speed  Now when I hit   sudo apt-get install npm   I get following error  yask123 yaskslaptop    sudo apt-get installed npm E  Invalid operation installed yask123 yaskslaptop    sudo apt-get install npm Reading package lists    Done Building dependency tree        Reading state information    Done Some packages could not be installed  This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming  The following information may help to resolve the situation   The following packages have unmet dependencies   npm   Depends  nodejs but it is not going to be installed        Depends  node-abbrev   gt   1 0 4  but it is not going to be installed        Depends  node-ansi   gt   0 3 0-2  but it is not going to be installed        Depends  node-ansi-color-table but it is not going to be installed        Depends  node-archy but it is not going to be installed        Depends  node-block-stream but it is not going to be installed        Depends  node-fstream   gt   0 1 22  but it is not going to be installed        Depends  node-fstream-ignore but it is not going to be installed        Depends  node-github-url-from-git but it is not going to be installed        Depends  node-glob   gt   3 1 21  but it is not going to be installed        Depends  node-graceful-fs   gt   2 0 0  but it is not going to be installed        Depends  node-inherits but it is not going to be installed        Depends  node-ini   gt   1 1 0  but it is not going to be installed        Depends  node-lockfile but it is not going to be installed        Depends  node-lru-cache   gt   2 3 0  but it is not going to be installed        Depends  node-minimatch   gt   0 2 11  but it is not going to be installed        Depends  node-mkdirp   gt   0 3 3  but it is not going to be installed        Depends  node-gyp   gt   0 10 9  but it is not going to be installed        Depends  node-nopt   gt   3 0 1  but it is not going to be installed        Depends  node-npmlog but it is not going to be installed        Depends  node-once but it is not going to be installed        Depends  node-osenv but it is not going to be installed        Depends  node-read but it is not going to be installed        Depends  node-read-package-json   gt   1 1 0  but it is not going to be installed        Depends  node-request   gt   2 25 0  but it is not going to be installed        Depends  node-retry but it is not going to be installed        Depends  node-rimraf   gt   2 2 2  but it is not going to be installed        Depends  node-semver   gt   2 1 0  but it is not going to be installed        Depends  node-sha but it is not going to be installed        Depends  node-slide but it is not going to be installed        Depends  node-tar   gt   0 1 18  but it is not going to be installed        Depends  node-underscore but it is not going to be installed        Depends  node-which but it is not going to be installed E  Unable to correct problems  you have held broken packages

User · Answer

Installing nodejs will install npm     so just remove nodejs then reinstall it        sudo apt-get remove nodejs    sudo apt-get --purge remove nodejs node npm   sudo apt-get clean   sudo apt-get autoclean   sudo apt-get -f install   sudo apt-get autoremove

User · Answer

First of all try this   sudo apt-get update sudo apt-get clean sudo apt-get autoremove   If error still persists then do this   sudo apt --fix-broken install sudo apt-get update  amp  amp  sudo apt-get upgrade sudo dpkg --configure -a sudo apt-get install -f   Afterwards try this again   sudo apt-get install npm   But if it still couldn t resolve issues check for the dependencies using sudo dpkg --configure -a and remove them one-by-one   Let s say dependencies are on npm then go for this    sudo apt-get remove nodejs sudo apt-get remove npm   Then go to  etc apt sources list d and remove any node list if you have  Then do a  sudo apt-get update   Then check for the dependencies problem again using sudo dpkg --configure -a and if it s all clear then you are done    Later on install npm again using this   v 8     set to 4  5  6      as needed curl -sL https   deb nodesource com setup  v x   sudo -E bash -   Then install the Node js package   sudo apt-get install -y nodejs   The answer above will work for general cases also for dependencies on other packages like django  etc  just after first two processes use the same process for the package you are facing dependency with

User · Answer

I tried lots of method but below work like charm       After this command run these  -  curl -sL https   deb nodesource com setup 14 x 565   sudo -E bash - sudo apt-get install -y nodejs   Now check     node -v npm -v

User · Answer

The command to have Ubuntu fix unmet dependencies and broken packages is   sudo apt-get install -f   from the man page      -f  --fix-broken              Fix  attempt to correct a system with broken dependencies in place               This option  when used with install remove  can omit any packages              to permit APT to deduce a likely solution  If packages are              specified  these have to completely correct the problem  The option              is sometimes necessary when running APT for the first time  APT              itself does not allow broken package dependencies to exist on a              system  It is possible that a system s dependency structure can be              so corrupt as to require manual intervention  which usually means              using dselect 1  or dpkg --remove to eliminate some of the              offending packages    Ubuntu will try to fix itself when you run the command   When it completes  you can test if it worked by running the command again  and you should receive output similar to      Reading package lists    Done   Building dependency tree   Reading state information    Done   0 upgraded  0 newly installed  0 to remove and 2 not upgraded

User · Answer

This is a bug in the npm package regarding dependencies   https   askubuntu com questions 1088662 npm-depends-node-gyp-0-10-9-but-it-is-not-going-to-be-installed  Bugs have been reported  The above may not work depending what you have installed already  at least it didn t for me on an up to date Ubuntu 18 04 LTS   I followed the suggested dependencies and installed them as the above link suggests   sudo apt-get install nodejs-dev node-gyp libssl1 0-dev   and then   sudo apt-get install npm   Please subscribe to the bug if you re affected   bugs launchpad net ubuntu  source npm  bug 1517491 bugs launchpad net ubuntu  source npm  bug 1809828

User · Answer

First  run sudo apt-get install nodejs-dev node-gyp libssl1 0-dev  then run sudo apt install npm

User · Answer

I just solved this issue   The problem was in version conflict   Nodejs 10 installed with npm   So before installing nodejs - remove old npm  Or remove new node -  remove npm -  install node again    This is the only way which helped me

User · Answer

If sudo apt-get install -f  lt package-name gt  doesn t work  try aptitude  sudo apt-get install aptitude sudo aptitude install  lt package-name gt   Aptitude will try to resolve the problem  As an example  in my case  I still receive some error when try to install libcurl4-openssl-dev  sudo apt-get install -f libcurl4-openssl-dev  So i try aptitude  it turns out I have to downgrade some packages   The following actions will resolve these dependencies       Keep the following packages at their current version      1      libyaml-dev  Not Installed                           Accept this solution   Y n q    n   The following actions will resolve these dependencies       Downgrade the following packages                                      1      libyaml-0-2  0 1 4-3ubuntu3 1  now  - gt  0 1 4-3ubuntu3  trusty    Accept this solution   Y n q     Y

User · Answer

Node comes with npm installed so you should have a version of npm  However  npm gets updated more frequently than Node does  so you ll want to make sure it s the latest version   Try  sudo npm install npm -g

User · Answer

sudo apt install aptitude   Then  sudo aptitude install npm   Source  https   askubuntu com a 978353 458947

User · Answer

I came to this situation when I installed node js from the latest stable release   curl -sL https   deb nodesource com setup 10 x   sudo -E bash -   It seems this version already comes with a prepackaged NPM  So when I tried to install NPM again  I got this error  If anyone is installing Nodejs in this manner then  it s not needed to install NPM separately   The following packages have unmet dependencies   npm   Depends  nodejs but it is not going to be installed        Depends  node-abbrev   gt   1 0 4  but it is not going to be installed        Depends  node-ansi   gt   0 3 0-2  but it is not going to be installed        Depends  node-ansi-color-table but it is not going to be installed        Depends  node-archy but it is not going to be installed        Depends  node-block-stream but it is not going to be installed        Depends  node-fstream   gt   0 1 22  but it is not going to be installed        Depends  node-fstream-ignore but it is not going to be installed        Depends  node-github-url-from-git but it is not going to be installed        Depends  node-glob   gt   3 1 21  but it is not going to be installed        Depends  node-graceful-fs   gt   2 0 0  but it is not going to be installed        Depends  node-inherits but it is not going to be installed        Depends  node-ini   gt   1 1 0  but it is not going to be installed        Depends  node-lockfile but it is not going to be installed        Depends  node-lru-cache   gt   2 3 0  but it is not going to be installed        Depends  node-minimatch   gt   0 2 11  but it is not going to be installed        Depends  node-mkdirp   gt   0 3 3  but it is not going to be installed        Depends  node-gyp   gt   0 10 9  but it is not going to be installed        Depends  node-nopt   gt   3 0 1  but it is not going to be installed        Depends  node-npmlog but it is not going to be installed        Depends  node-once but it is not going to be installed        Depends  node-osenv but it is not going to be installed        Depends  node-read but it is not going to be installed        Depends  node-read-package-json   gt   1 1 0  but it is not going to be installed        Depends  node-request   gt   2 25 0  but it is not going to be installed        Depends  node-retry but it is not going to be installed        Depends  node-rimraf   gt   2 2 2  but it is not going to be installed        Depends  node-semver   gt   2 1 0  but it is not going to be installed        Depends  node-sha but it is not going to be installed        Depends  node-slide but it is not going to be installed        Depends  node-tar   gt   0 1 18  but it is not going to be installed        Depends  node-underscore but it is not going to be installed        Depends  node-which but it is not going to be installed E  Unable to correct problems  you have held broken packages

[ubuntu] How do I resolve `The following packages have unmet dependencies`

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