無法在安裝gcc-4.9 g ++時提取檔案 - 4.9

Question

目前，我正在使用Linux Mint 17.3。

E: Failed to fetch http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu/pool/main/g/gcc-4.9/cpp-4.9_4.9.3-8ubuntu2~14.04_amd64.deb Hash Sum mismatch

E: Failed to fetch http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu/pool/main/g/gcc-4.9/g++-4.9_4.9.3-8ubuntu2~14.04_amd64.deb Hash Sum mismatch

E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

Answer 1

刪除的/var/lib/apt/lists directory內容：

sudo rm -rf /var/lib/apt/lists 
sudo apt-get update 
sudo apt-get -f install 

安裝gcc-4.9

sudo apt-get install gcc-4.9 g++-4.9 
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.9 60 --slave /usr/bin/g++ g++ /usr/bin/g++-4.9