Wiki Extra Packages for Enterprise Linux (or EPEL) is a Fedora Special Interest Group that creates, maintains, and manages a high quality set of additional packages for Enterprise Linux, including, but not limited to, Red Hat Enterprise Linux (RHEL), CentOS…
Elasticsearch Cluster on Ubuntu
Wiki Elasticsearch is a search server based on Lucene. It provides a distributed, multitenant-capable full-text search engine with a RESTful web interface and schema-free JSON documents. Elasticsearch is developed in Java and is released as open source under the terms…
Solve Linux No space left on device Issue
Last night, I recieved a alert SMS, one server goes down... Server on an Aliyun ECS Ubuntu 14.04, when I SSH into the server and when trying to excute some commands for example I get the following: -bash: cannot create…
Secure Apache Server from DDoS, Slowloris, and DNS Injection Attacks
DDoS There is an Apache module that was created to prevent a DDoS attack, although it's probably not installed by default. Follow these steps to install the module. Open the terminal window. Issue the command: $ sudo apt-get -y install…