New answers tagged synaptic
The answer above is correct. But if the launcher that launches your synaptic is pkexec, you can change it by editing the synaptic.desktop on /usr/share/applications folder and change the Exec= synaptic-pkexec command to Exec= gksu synaptic %u then save it. By pressing ALT + F2, run gconf-editor , go to apps and gksu mark sudo-mode. That may do. You can ...
I solved it!.. I change the one that launches the synaptic by replacing Exec = synaptic-pkexec in usr/share/applications/synaptic.desktop pkexec is the one that manages authentication when you open synaptic(that is the flaw) which it doesn't authenticate you even though your root password is correct. I replace it to gksu synaptic %u then, save ...
you can try a couple of things: sudo apt-get install apt-xapian-index sudo update-apt-xapian-index -vf If that doesn't work you can try: sudo apt-get install --reinstall synaptic sudo dpkg-reconfigure synaptic Hopefully that will take care of your issues.
LionHater's solution just cured the problem for my Ubuntu 16 64 bit Gnome. I tried reinstalling Synaptic first which did not cure the problem, but it is possible that needs to be done first, no way to tell at this point.
If you did a clean installation of 16.04, then you won't find Ubuntu Software center. It was replaced by GNOME’s Software. http://www.omgubuntu.co.uk/2015/11/the-ubuntu-software-centre-is-being-replace-in-16-04-lts
Add Respository to sources.list You'll need to replace the nickname below with what you are running. Note to replace the word trusty with whatever version lsb states Helper on http://www.postgresql.org/download/linux/ubuntu/ For trusty (14.04) sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt trusty-pgdg main" >> /etc/apt/sources.list' ...
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