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If you want to dump a few database the command ‘mysqldump’ is sufficient. How about the server that have several hundred databases inside. It is easier if we create Shell scripts to do the task. There are 2 version of scripts I normally use. One is to backup whole MySQL database, the other is to backup InnoDB database only.
The databases will be dumped in the folder that we created first and dumped as *.sql.

One of our server have a boot loop issue and our last option is to change hardware based on recommendation by software vendor.
The issue when changing hardware is the server sometimes cannot boot even using the same hardware specification. We suspect it is something to do with the device UUID because of hardware change.
So to solve the issue we need to boot in rescue environment to repair boot

Today is the last day to check if your domain name is ready for the planned change from 1st February. According to website https://dnsflagday.net/ current DNS is unnecessarily slow and inefficient because of efforts to accommodate a few DNS systems that are not in compliance with DNS standards established two decades ago.
DNS service provider and DNS software have agreed to …

In this guide, I will show how to install OpenLiteSpeed under Centos 7. Basically the step is similar if you use Centos, Ubuntu or Debian.
More info can be obtain via URL here : http://open.litespeedtech.com/mediawiki/index.php/Help:1-Click_Install
The command I use to install are below;

[root@web ~]# bash ols1clk.sh -r SampleFpbkFkb -a SampleFpbkFkb –lsphp 70 -w –wordpresspath /usr/local/lsws/themes –dbname themes –dbuser themes –dbpassword SampleFpbkFkb

Apple today introduced the new MacBook Pro is said to be the most lightweight and thin with the new interface, touch screen Touch the bar ‘that replace the button function on most laptops today. The new MacBook Pro Retina display is bright and has the most colorful with Touch ID security features and also a responsive keyboard with larger trackpad. …

The purchase of a flashlight is a decision which many don’t research. The metrics by which flashlight power are measured have fairly non-obvious names, and the benefits of making a better choice aren’t immediately apparent. Yet, with a bit of basic understanding of the concepts involved, you can choose the flashlight that best meets your specific needs. If you’d like to buy a flashlight but aren’t sure how to make the right decision, here are a few illuminating pointers that will help you find the best flashlights.

Light is traditionally measured in units known as Candle Power. Created in early 19th-century England, a single unit of Candle Power is defined as the amount of light produced by a candle weighing a specific amount and composed of a specific material. The makeup of this candle has changed slightly over the years, but the output is much the same, and a single unit of Candle Power can be thought of in these terms.

Candle Power is commonly used for measuring flashlight brightness, though it isn’t necessarily the best means of finding the brightest flashlights. There is more to the effectiveness of light than how much power is available to produce it. For instance, if a bright light is shined in a single direction, or if its surface is partially covered, then its effectiveness is greatly reduced. As such, the Lumen is a far better unit for measuring the effectiveness of a flashlight.