package 'aptitude' has no installation candidate
This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package 'synaptic' has no installation candidate 代码实战学生管理系统查询学员信息 This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package 'php5' has no installation candidate Then we need to find the passenger ruby path. HOW TO USE CURL ON RUBY ON RAILS? It can't seem to find any packages at all, even things I know are there, like gcc. CARRIERWAVE - UPLOAD ANY MEDIA (AUDIO , VIDEO AND IMAGE ) FILE IN RAILS, SELECT COUNTRY WITH STATE AND IT'S CITIES RAILS, RAILS: UPLOADING PHOTOS VIA AMAZON S3 AND PAPERCLIP (UPLOADING FILES TO S3 IN RUBY WITH PAPERCLIP). parse ( "http://example.org" ) # Shortcut #response = Net::HTTP.post_form(uri, {"user[name]" => "testusername", "user[email]" => "testemail@yahoo.com"}) # Full control http = Net :: HTTP . Same thing happend when running: aptitude install mongodb-10gen-unstable No candidate version found for mongodb-10gen-unstable No candidate version found for mongodb-10gen-unstable No packages will be installed, upgraded, or removed. E: Package madwifi-source has no installation candidate i have edited /etc/apt/sources.list to get from the non-free and thats the only thing i know of to do any help would be appreciated Origami_f3tus This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package 'couchdb' has no installation candidate I did a combination of the following things, which didn't work. Can't install this package libdb5.1 and libdb5.1++ on Ubuntu 16.04 LTS. any help. For example, aptitude remove wesnoth+ will install wesnoth, not remove it. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package