debian-jessie | 易学教程

how to change the Default page localhost debian to run an application

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问题 In debian, I installed an application 'maarchrm'. at the end of the guide intallation it's demanded to add the line 127.0.0.1 to the file 'etc/hosts'. inside this file we find these lines : 127.0.0.1 localhost debian ::1 localhost ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters So when I add the line, It becomes like this : 127.0.0.1 maarchrm 127.0.0.1 localhost debian ::1 localhost ip6-localhost ip6-loopback fe00::0 ip6

Cross compiling the 'debian:jessie' container

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问题 I'm trying to create a Docker container to be used for armhf cross compilation. I've been following the guide at https://wiki.debian.org/CrossToolchains, and from my understanding, the Dockerfile below should be sufficient. Unfortunately it fails, not finding the gcc-arm-linux-gnueabihf and g++-arm-linux-gnueabihf dependencies. FROM debian:jessie # Install curl so that we can download the keys RUN apt-get update && apt-get install -y curl RUN echo "deb http://emdebian.org/tools/debian/ jessie

Full & complete uninstall QT Creator

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问题 Question: How to uninstall QT Creator from Linux machine? I have a corrupted install on a Debian Jessie machine. I have tried reinstalling, fixing, etc. and with no luck. I was advised to uninstall completely, grab the newest version and reinstall. The problem is that I'm not sure how to do this and every time I try, QT keeps coming back with the same exact issues, I'm assuming because of some config files that are not getting deleted in the removal process. Running qmake --version gives me

apt-get update fails with 404 in a previously working build

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I am running a Travis build and it fails when building the mysql:5.7.27 docker image. The Dockerfile runs apt-get update and then I get an error W: Failed to fetch http://deb.debian.org/debian/dists/jessie-updates/main/binary-amd64/Packages 404 Not Found . Using curl I can see it is redirecting, but the redirect-to URL results in a 404. Has anyone seen this sort of behaviour and have a remedy? Is it basically unfixable until debian makes changes? ➜ ms git:(develop) curl --head http://deb.debian.org/debian/dists/jessie-updates/main/binary-amd64/Packages HTTP/1.1 302 Found Date: Tue, 26 Mar 2019

gem cannot access rubygems.org

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问题 I have a server with Rackspace that I use for a few Ruby sites. When I try bundle install on a new site I get Retrying download gem from http://rubygems.org/ due to error (2/4): Gem::RemoteFetcher::UnknownHostError timed out (http://rubygems.org/gems/rake-12.3.1.gem) Or trying gem update --system I get ERROR: While executing gem ... (Gem::RemoteFetcher::UnknownHostError) timed out (http://api.rubygems.org/specs.4.8.gz) What I have tried: Using curl to download the gem URL in the first error