Uma Maheswara Rao Katru

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Top 50 Linux System Administrator Interview Questions

<i>Short Bytes: Today, the job opportunities for Linux experts are more than ever. The Linux SysAdmin interview questions range from basic Linux</i> …

Linux Lexicon: Finding Files And Directories In Linux

At times you may download or save a file, only to realize later that you completely forgot the place where you stored it. These commands can prove to …

How to manage large-scale datasets with Hadoop and MapReduce

<b>Introduction</b><p>The early 1980s, 1990s were dominated by database giants Microsoft, Oracle, and IBM complying Codd’s 12 golden rules of relational …

How to Install Your Own Cloud Platform with OpenStack in RHEL/CentOS 7

OpenStack is a free and open-source software platform which provides IAAS (infrastructure-as-a-service) for public and private clouds. OpenStack …

Linux

Top 5 NoSQL Databases of The Last Year

<b>These are the top NoSQL DBMS for year 2015</b><p>A database which stores data in form of key-value pair is called a relational database. Alright! let me …

Wall Street's nightmare stock got thrown under the bus by its own subsidiary — and now it's near $0.50

TerraForm Global will also join its parent company in delaying its annual financial report.<p>The announcement came after a rough night for SunEdison.<p>The Wall Street Journal had reported Monday that the Securities and Exchange Commission was investigating SunEdison.<p>The investigation centers on whether …

Massive Biotech and Bill Gates Trades Highlight Insider Buying: Seattle Genetics, Ecolab, Sarepta Therapeutics and More

After a week when the indexes finally fought their way back to even for 2016, one probably would think that insiders would be selling the huge rally. …

How to Setup Email Server with Mailinabox on Ubuntu 14.04

Mailinabox is a free and open source software that deploys a complete full stack email solution with a well managed server control panel in few …

New Atlas

Rich Haridy March 22, 2018<p>Epic Games recently unveiled a remarkable demonstration of its latest real-time digital rendering system called Unreal …

VMware Homeserver – ESXi on 6th Gen Intel NUC

Intels 6th Gen NUCs are out and it’s time to take a look on their capabilities as homeserver running VMware ESXi. NUCs are not officially supported …

These energy companies are running low on cash

The deep slide in global oil prices may start claiming the scalps of a number of oil companies.<p>One in 5 energy companies could be out of cash in less …

How to Find Out Top Directories and Files (Disk Space) in Linux

As a Linux administrator, you must periodically check which files and folders are consuming more disk space. It is very necessary to find the …

Overview

Compliance Ready<p>User Audit Log<p>Graylog Enterprise offers Audit Log capabilities. Audit Log records and stores actions taken by a user or administrator …

Oracle Database on ACFS: a perfect marriage?

Update: I will give this presentation at UKOUG Tech15, Wed 9 December at 14:30.This presentation has had a very poor score in selections for …

Linux Performance Analysis in 60,000 Milliseconds – Netflix TechBlog – Medium

You log in to a Linux server with a performance issue: what do you check in the first minute?<p>At Netflix we have a massive EC2 Linux cloud, and …

The 50 stocks that big hedge funds love most

But within the market, hedge funds favor some securities over others.<p>According to FactSet's new hedge fund ownership report, the top-50 biggest funds increased their exposure to equities by 7.6% in the third quarter, led by the healthcare and consumer staples sectors.<p>"The Health Care and Consumer …

Delphix Express : Free version of Delphix available

Delphix Express is available!<p>To get a copy of Delphix Express go to<p>and put “<b>Express</b>” for your title and I’ll send you the download info.<p>Delphix …

Oracle 12c RAC on Oracle Linux 7 using VirtualBox

I’m a little late to the party here, but I’ve finally got round to updating the VirtualBox 12c RAC article for Oracle Linux 7.• Oracle Database 12c …

Announcing Swarm 1.0: Production-ready clustering at any scale

Creating a SCRUD System Using jQuery, JSON and DataTables

Every non trivial software allows to manipulate data, generally stored in a database. The acronym <i>SCRUD</i> refers to the basic manipulation functions …

Goldman Has 40 Stocks You Should Buy and 40 You Should Sell

It's been a tough year so far for investors, with a wide variety of assets posting negative returns.<p>In Goldman Sachs's latest quarterly chartbook, …

Short Code CRUD: Perform CRUD operations on MySQL table records

This class can perform CRUD operations on MySQL table records.<p>It can perform several types of operations with records of a given MySQL table like:<p>- …

How to Backup/Restore MySQL/MariaDB and PostgreSQL Using ‘Automysqlbackup’ and ‘Autopostgresqlbackup’ Tools

If you are a database administrator (DBA) or are responsible for maintaining, backing up, and restoring databases, you know you can’t afford to lose …

Untangling Apache Hadoop YARN, Part 1

<b>In this multipart series, fully explore the tangled ball of thread that is YARN.</b>YARN (Yet Another Resource Negotiator) is the resource management …