Jeff Wilson

An experienced Linux veteran with many years of experience. Helping other Linux admins with frequent Linux and business-related blog posts on the RoseHosting blog. Techie by choice. Loving nature and travel. Happily married and father of two lovely children.

How to Create a sudo user on CentOS 7

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Add User to Sudoers CentOS
Add User to Sudoers in CentOS

We’ll guide you, how to create a sudo user on CentOS 7. Sudo is a Linux command line program that allows you to execute commands as superuser or another system user. The configuration file offers detailed access permissions, including enabling commands only from the invoking terminal; requiring a password per user or group; requiring re-entry of a password every time or never requiring a password at all for a particular command line. It can also be configured to permit passing arguments or multiple commands. In this tutorial, we will demonstrate, how to add a user to Sudoers in CentOS. Adding a sudo user to sudoers in CentOS 7 is a fairly easy task if you follow this 5 steps below.

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How To Install Apache CouchDB on CentOS 7

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How To Install Apache CouchDB on CentOS 7

Today we will show you, how to install Apache CouchDB on CentOS 7.  CouchDB is an open-source database, and was first released in 2005 and later became an Apache Software Foundation project in 2008.  It has a document-oriented NoSQL database architecture and is implemented in the concurrency-oriented language Erlang; it uses JSON to store data, JavaScript as its query language using MapReduce, and HTTP for an API.  The data can be accessed via web browser. Looks simple, right? Installing Apache CouchDB on CentOS 7 is pretty simply, in fact, you can install CouchDB in just a few minutes using the package manager on your Linux server. Let’s get started!

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Error establishing a database connection

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Error establishing a database connection

Error establishing a database connection, is a very common error when you try to access your WordPress site. The database stores all the important information for your website, including your posts, comments, site configuration, user accounts, theme and plugin settings and so on. If the connection to your database cannot be established, your WordPress website will not load, and more then likely will give you the error: “Error establishing a database connection” In this tutorial we will show you, how to fix Error establishing a database connection in WordPress.

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How to List and Delete iptables Firewall Rules

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Delete iptables Firewall Rules

We’ll show you, how to list and delete iptables firewall rules. Iptables is a command line utility that allows system administrators to configure the packet filtering rule set on Linux. iptables requires elevated privileges to operate and must be executed by user root, otherwise it fails to function.

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What Is cURL?

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What is cURL?
What is cURL?

what is curl commandToday we will talk about what is cURL? and why would you use the cURL command in Linux? cURL (Client URL Library) is a computer software project providing a library and command-line tool for transferring data using various protocols. cURL is a tool to transfer data from or to a server, using one of the following  supported protocols (DICT, FILE, FTP, FTPS, GOPHER, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, POP3, POP3S, RTMP, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET and TFTP). The command is designed to work without user interaction. If you are a Linux command line user, you probably came across the cURL command. cURL is a command line tool that most system admins are using on a day to day basis to perform a variety of different tasks. In this article, we will explain what is cURL and why would you want to use it on your Linux VPS.

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