Secure and Fix dirty COW Linux Vulnerability

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What is Dirty COW Vulnerability and why its called so ? Dirty COW vulnerability allows attackers to gain root access to servers and take control over the whole system.A rare condition was found in the way the Linux kernel’s memory subsystem handled the copy-on-write (COW) breakage of private read-only memory mappings. An unprivileged local user … Read more

Configuring postfix to block all emails except one email accounts

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Configuring postfix to block all emails except the specified email accounts

Configuring postfix to block all emails except the specified email accounts Here is how you can configure postfix to block all emails except the specified email accounts, following the below steps: Use Transport Mapping Here we can tell the postfix mail server to send or disregard the emails. For this we need to edit the … Read more

MongoDB install in cPanel

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During these days the request for MongoDB installation on Linux servers is high because the developers are really like the same.MongoDB is officially a “NoSQL” database. NoSQL refers to a database with a data model other than the tabular format used in relational databases such as MySQL, PostgreSQL, and Microsoft SQL. MongoDB features include: full … Read more

Removing and adding files to existing tar archive

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Removing and Adding Files to Existing Tar Archive

If you are looking to remove or adding files to existing tar archive, here are some useful steps we recommend for implementing the changes. 1) How to remove a single file from tar file We need to create a tar file, for that first we need to touch some files # touch  textfile{1..4}.txt Now we … Read more

Secure your domain with Let’s Encrypt

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Introduction Let’s Encrypt is a new free certificate authority that launched on April 12, 2016 that provides free X.509 certificates for Transport Layer Security (TLS) encryption via an automated process designed to eliminate the current complex process of manual creation. Advantages:   Before Let’s Encrypt was made available to webmasters, obtaining a certificate for https … Read more

How to find Spamming in cPanel

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How to find Spamming in cPanel

cPanel is a Linux based web hosting control panel that provides a graphical interface and automation tools designed to simplify the process of hosting a web site. cPanel is one of the commonly used web hosting control panel. cPanel will install all the necessary software, that are required for domain hosting.  Spamming in cPanel is one of the common issues you might encounter. Spamming means flooding the Internet with many copies of the same message, in an attempt to force the message on people who would not otherwise choose to receive it. Most spam is commercial advertising, often for dubious products, get-rich-quick schemes, or quasi-legal services.

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Enable additional commands to CageFS users in CloudLinux

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Introduction In CloudLinux, CageFS is a virtualized, per-user file system that uniquely encapsulates each customer, preventing users from seeing each other and viewing sensitive information. It prevents a large number of attacks, including most privilege escalation and information disclosure attacks. It is completely transparent to your customers, without any need for them to change their scripts. After … Read more

How to manage VirtFS on cPanel server

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How to mange VirFS on cpanel server

What is Virtfs in cpanel ? How it is created ? The /home/virtfs is a file system for the jailshell shell in cPanel servers. A jailed shell  is used for restricting the access for the user. In a normal shell most binaries and libraries are available to user. It can cause security issues on your … Read more

Different types of RAID

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RAID is short for Redundant Array of Independent Disks

RAID is a technology that is used to increase the performance and/or reliability of data storage. It combines multiple physical disk drive components into a single logical unit. Here we are discussing the the different types of RAID

Data in RAID is distributed across the drives in one of several ways, referred to as RAID levels, depending on the required level of redundancy and performance. The different schemas, or data distribution layouts, are named by the word RAID followed by a number

Different types of RAID Levels

  • RAID 0 – striping
  • RAID 1 – mirroring
  • RAID 5 – striping with parity
  • RAID 6 – striping with double parity
  • RAID 10 – combining mirroring and striping

 

Budget Server Management Plans at $30

 

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Enable mpm-itk in Webmin

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The Apache HTTP Server is designed to be a powerful and flexible web server that can work on a very wide variety of platforms. Apache web server shipts with a selection of Multi-Processing Modules (MPMs) which are responsible for binding to network ports on the machine, accepting requests, and dispatching children to handle the requests.  Two … Read more