Programmer Group

Redis Learning Notes (1) Redis is an open source, high performance, key-value-pair-based caching and storage system. Redis is the abbreviation of REmote DIctionary Server. 1. Download and install wget http://download.redis.io/redis-stable.tar.gz//download, copy to/usr/local tar -xzvf redis-stable.tar.gz //decompression cd redis-stable / ...

Write an article the other day using pnp4nagios draws for Nagios The article later found that some script images can not be drawn, the following to propose solutions. Error phenomena: Reasons for error: This situation is mostly caused by the Nagios plug-ins written by ourselves. The pnp4nagios drawing must follow the specific information ...

linux open file number too many open files solution too many open files The reason for this prompt is that the number of file/socket connections opened by the program exceeds the system settings. View the maximum number of open files per user ulimit -a fdipzone@ubuntu:~$ ulimit -a   core file size          (bloc ...