For a flexible reporting tool that can yield information ranging from CPU use to the top I/O-consuming process look no further than dstat. All-seeing Well, maybe not “all-seeing”, but it made for a catchy header. Though dstat does come pretty close when it comes to observing what’s happening on your system. You can use dstat to look ..
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x11vnc x11vnc is a VNC server that is not dependent on any one particular graphical environment. Also, it facilitates using in a minimal environment, as it has a tcl/tk based GUI. It can be started while your computer is still showing a login screen. It is helpful to ensure you have uninstalled any other VNC programs ..
Introduction Nginx is a popular light-weight and high performance web server and commonly used as a proxy. It is quite flexible and a good alternative to Apache. Requirements Install Nginx Many distributions include Nginx as part of the default distribution repository. However, this version can become outdated and it is recommended installing from a repository ..
Overview Readers will learn how to enable WAN failover on the EdgeRouter. EdgeMAX can handle multiple WANs with failover. For a more recent article that shows this implementation with automatic failover, visit here. My interface setup is as follows: eth0 – WAN – IP: 10.75.1.2 / Gateway 10.75.1.1 eth1 – LAN – IP: 192.168.1.1 eth2 – ..
Overview Readers will learn how to enable WAN failover on the EdgeRouter. EdgeMAX can handle multiple WANs with failover. For a more recent article that shows this implementation with automatic failover, visit here. My interface setup is as follows: eth0 – WAN – IP: 10.75.1.2 / Gateway 10.75.1.1 eth1 – LAN – IP: 192.168.1.1 eth2 – ..
Elasticsearch users have delightfully diverse use cases, ranging from appending tiny log-line documents to indexing Web-scale collections of large documents, and maximizing indexing throughput is often a common and important goal. While we try hard to set good general defaults for “typical” applications, you can quickly improve your indexing performance by following a few simple ..
1. List all Open Files with lsof Command In the below example, it will show long listing of open files some of them are extracted for better understanding which displays the columns like Command, PID, USER, FD, TYPE etc. # lsof COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME init 1 root cwd DIR 253,0 4096 2 / init 1 ..
About Nginx Nginx is a high performance web server software. It is a much more flexible and lightweight program than Apache HTTP Server. This tutorial will teach you how to install and start Nginx on your CentOS 7 server. Prerequisites The steps in this tutorial require the user to have root privileges. You can see ..
Introduction MongoDB is a versatile NoSQL database that stores data objects as JSON documents. Requirements Add the Repository Some Linux distributions may already provide the MongoDB packages in the default distribution repository. The following steps will describe adding a new repository provided by the MongoDB project which provides the latest version available. Create a /etc/yum.repos.d/mongodb.repo file using ..
Install and Configure collect You will need to install the following for this next section. Once installed you now need to configure collectd to utilize the proxy we installed Uncomment and update the lines: Where we have 10.10.10.10 you’ll want to replace with your container’s private IP address. Verify You can use tcpdump to ensure packets are ..
