ubuntu 安装swoole

wget https://github.com/nghttp2/nghttp2/releases/download/v1.30.0/nghttp2-1.30.0.tar.bz2
tar -jxvf nghttp2-1.30.0.tar.bz2
cd nghttp2-1.30.0
./configure
make


wget https://github.com/redis/hiredis/archive/v0.13.3.tar.gz
tar -zxvf v0.13.3.tar.gz
cd hiredis-0.13.3/
make -j
sudo make install
sudo ldconfig

mkdir -p ~/build && \
cd ~/build && \
rm -rf ./swoole-src && \
curl -o ./tmp/swoole.tar.gz https://github.com/swoole/swoole-src/archive/master.tar.gz -L && \
tar zxvf ./tmp/swoole.tar.gz && \
mv swoole-src* swoole-src && \
cd swoole-src && \
phpize && \
./configure \
--enable-coroutine \
--enable-openssl  \
--enable-http2  \
--enable-async-redis \
--enable-sockets \
--enable-mysqlnd && \
make clean && make && sudo make install

如果ubuntu修改文件的时候一直提示：

sudo：unable to resolve host abc

• 1

那么就需要修改/etc/hosts文件： 
如果之前为

127.0.0.1 localhost

• 1

变更为：

127.0.0.1 localhost
127.0.1.1 hostname