长电风扇

$ certbot certonly --manual -d *.foo.bar -d foo.bar --server https://acme-v02.api.letsencrypt.org/directory --preferred-challenges dns

Then following the instruction add add TXT record on your domain DNS

备忘

报个这个错 ld: library not found for -lssl

clang: error: linker command failed with exit code 1 (use -v to see invocation)

error: command 'gcc' failed with exit status 1

libssl.dylib 和 libcrypto.dylib 的版本问题

奇技淫巧

用brew安装的openssl的两个库来替代系统库

brew install openssl

env LDFLAGS="-I/......

备忘

要看一个query出来的大量信息怎么办

先要有一个js文件，来避免双引号之间的冲突，比如

var cursor = db.collection.find();

while(cursor.hasNext()) {

printjson(cursor.next());

}

然后

mongo 127.0.0.1/db script.js >> output.txt