Data Centers
Data CentersHow to use a ramdisk on Linux
If you need to boost the speed of data writes to storage on your Linux data center servers, a ramdisk might be what you need. Here's how to create one, mount it, and back it up.
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Data Centers
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Image: Jack Wallen Data Centers
Data CentersHow to install Apache Tomcat on Ubuntu Server 16.04
If you have a need for Java Servlets, you'll probably want to deploy Tomcat. Jack Wallen walks you through this process on the Ubuntu Server 16.04 platform.
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CloudSAP HANA: The smart person’s guide
Have you been considering a database migration to SAP's HANA database management system? Here's everything you need to know about it.
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Data CentersHow to monitor your Linux servers with nmon
If your data center houses Linux servers, you'll be glad to know there's an easy way to monitor those machines. Jack Wallen shows you how with the help of nmon.
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alphaspirit, Getty Images/iStockphoto Data Centers
Data Centers10 common causes of downtime and how to avoid them
A session conducted at the 2017 Google Cloud Next conference walked through some common issues that can affect an application and how to mitigate them.
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Image: Jack Wallen Data Centers
Data CentersHow to import and export VirtualBox appliances from the command line
If you're working with a headless or GUI-less VirtualBox host, you can still import and export virtual appliances from the command line. Here's how.
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Image: iStock/michaeljung Data Centers
Data CentersHow to export VirtualBox virtual machines as appliances
If you need to move a VirtualBox guest from one host to another, discover the most reliable way to do it.
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Image: iStock/kynny Data Centers
Data CentersHow to set up MySQL for remote access on Ubuntu Server 16.04
If you need to allow remote connections to your MySQL server, see how you can easily accomplish that task.
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Data CentersHow to harden MySQL security with a single command
Securing your MySQL installation isn't difficult. Find out how to easily harden MySQL with one command.
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Data Centers
Data CentersHow to improve VirtualBox guest performance in five steps
If your VirtualBox virtual machines are lagging in performance, check out these five tips.
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Data CentersHow to back up MySQL databases from the command line in Linux
Whether you're running a LAMP stack on Ubuntu or CentOS, you need to back up your MySQL databases. Learn how to do this with the help of the mysqldump command.
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Image: Jack Wallen Data Centers
Data CentersHow to encrypt VirtualBox VMs
If you want to add an extra layer of protection onto your virtual machines and you're using VirtualBox, encrypting those VMs is very simple. Here's how.
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Image: Jack Wallen Data Centers
Data CentersHow to change the Linux I/O scheduler to fit your needs
In order to eek out as much performance from Linux servers as possible, learn how to change your I/O scheduler to meet your needs.
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Image: Jack Wallen Data Centers
Data CentersHow to populate an LDAP server with users and groups via phpLDAPadmin
If you're unsure how to add groups and users to LDAP, learn how simple the process is with the help of phpLDAPadmin.
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Image: Jack Wallen Data Centers
Data CentersHow to share folders between guest and host in VirtualBox
Data center managers, add this VirtualBox efficiency tip to your bag of tricks by simply following the steps to set up shared folders between VirtualBox host and guest.