Sever management

Installation and Configuring of Varnish Reverse Proxy with Nginx

Tags: Nginx

Published on : September 2, 2019 by

Installation and Configuring of Varnish Reverse Proxy with Nginx

Varnish is a proxy server which can be used for HTTP caching. It can act as a reverse proxy for nginx. Here we are going to look how we can configure varnish as a reverse proxy for nginx web server. Prerequisites Ubuntu 16.04 Root Privileges Step 1: Installing nginx We can install Nginx from the Ubuntu repository using the apt […]

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Installing Oracle 11g Release 2 In Centos 7

Tags: centOS

Published on : August 6, 2019 by

Installing Oracle 11g Release 2 In Centos 7

An Oracle database is a collection of data treated as a unit with a purpose to store and retrieve related information. All this is accomplished while delivering high performance. A database server also prevents unauthorized access and provides efficient solutions for failure recovery. Users can concurrently access the same data. Oracle Database is the first […]

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Creating an AWS instance

Tags: awsServer Management

Published on : July 18, 2019 by

Creating an AWS instance

Here we will look at how an instance can be created in Amazon Web Service or AWS. For doing this we will use a free tier account or you can use your AWS account too. Log in to the AWS console. You can use the link https://console.aws.amazon.com to access the console. You will log in to […]

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Hangwatch – the watcher and the actor, all rolled into one.

Published on : May 7, 2019 by

Hangwatch – the watcher and the actor, all rolled into one.

NMI Watchdog is something you would have heard of. NMI or Non Maskable Interrupt, is a type of interrupt which the CPU cores canʼt ignore. Other type of interrupts, can be routed to different CPUs depending on its workload, while a NMI interrupt canʼt be passed on and has to be handled by the CPU […]

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SysAdmin Series – What is proc-buddyinfo?

Published on : May 4, 2019 by

SysAdmin Series – What is proc-buddyinfo?

Primary memory or Linux is not considered as a single block by Linux Kernel. Instead it is fragmented or may be a better word here would be divided or differentiated into different zones inside nodes. Zones can vary depending on the architecture. We will be considering only 64 bit for learning purposes. Nodes are how […]

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