heybob的专栏

环境：ubuntu14.04 redis报错： MISCONF Redis is configured to save RDB snapshots, but is currently not able to persist on disk. Commands that may modify the data set are disabled. Please check Redis logs

python中运行如下代码： import redis pool = redis.ConnectionPool(host=DB_REDIS_HOST, port=DB_REDIS_PORT, password=DB_REDIS_PWD) redis_db = redis.Redis(connection_pool=pool, db=1) 报错： ImportError: No modu

参考：http://www.runoob.com/mongodb/mongodb-linux-install.htmlhttps://www.mongodb.com/download-center#community 1,下载mongodb-linux-x86_64-ubuntu1404-3.4.4.tgz $ tar -xzvf mongodb-linux-x86_64-ubuntu1404

python2.7+mongoengine有报错： update() keywords must be strings 写python碰到这个问题还是小小懵了一下，查了下发现：DictField字段更新的键必须是字符串类型

ubuntu14.04, mongodb和mysql数据默认保存在根目录，占用空间太多，需修改路径 一、mongodb： 参照：https://www.howtoing.com/change-mongodb-default-data-path 1 sudo vi /etc/mongodb.conf 将 dbpath=/var/lib/mongodb 改为 dbpath=/home/cloud/db...