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Displaying posts with tag: Linux (reset)

Ubuntu 16.04 first stable distro with MySQL 5.7
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Ubuntu 16.04 artwork by Canonical Ltd (CC-BY-SA).

Congratulations to Ubuntu on releasing 16.04 LTS with MySQL 5.7! As far as I know, it’s the first stable release of a Linux distro that contains MySQL 5.7. Fedora and openSUSE also have MySQL 5.7, but not yet in a stable release.…

Docker MySQL Replication 101
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In this blog post, we’ll discuss some of the basics regarding Docker MySQL replication. Docker has gained widespread popularity in recent years as a lightweight alternative to virtualization. It is ideal for building virtual development and testing environments. The solution is flexible and seamlessly integrates with popular CI tools.

 

This post walks through the setup of MySQL replication with Docker using Percona Server 5.6 images. To keep things simple we’ll configure a pair of instances and override …

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Deprecating the mysql_config –libs_r option
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As Norvald wrote in his recent post:

A long time ago, libmysqlclient came in two versions: one that was thread safe and one that wasn’t. But that was a long time ago. Since MySQL 5.5, the thread safe libmysqlclient_r library has just been a symlink to the libmysqlclient library, which has been thread safe at least since then.

Fedora LAMP Steps
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I posted earlier in the year how to configure a Fedora instance to test PHP code on a local VM. However, I’ve got a few questions on how to find those posts. Here’s a consolidation with links on those steps:

  1. Go to this blog post and install the httpd and php libraries with the yum installer.
  2. In the same blog post as step 1 (you can put the sample PHP code into the /var/www/html
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LLC-Technologies-Collier/Demo-SCCC-Byte-AngularJS
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Hello dear readers and attendees,

This is the post that I will be/ will have been referencing during my presentation to the Seattle Central Community College’s Byte club on Thursday, December 10th at 1500-1630.

I will begin with a bit of an autobio and find out what kind of students we have in attendance. Please feel free to comment if you’d like to keep in touch before or after the presentation. I will discuss some of the bits and pieces of some industry standard platforms which I’ve developed, deployed, maintained, managed, co-operated, administered and replaced. We can discuss some of the patterns that work well in the industry, and some that are a bit harder to …

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Upgrading to MySQL 5.7 Using the MySQL Repos for Linux
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MySQL Server 5.7 was released around a month ago, and download numbers show huge interest in upgrading from older MySQL releases. As with any product that is frequently used as core infrastructure in complex systems with numerous interdependencies, major version upgrades of MySQL should be approached with some care. In this post, I will cover […]

Advanced MySQL Server Auditing
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We remember when we first started auditing MySQL servers, there were very few tools available.  In one of our early big gigs, we were battling serious performance issues for a client.  At the time, tuning-primer.sh was about the only tool available that could be used to diagnose performance bottlenecks.  Fortunately, with a lot of manual interpolation of the raw data it presented, we were able to find the issue with the server and suggest how to resolve them.  For that we are very thankful.  It was a first step in analyzing MySQL status variables, minimizing the number of formulas to learn and calculate by hand.  Obviously …

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Creating a Test Lab Using VirtualBox / NAT networking
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My job is almost completely reliant upon my ability to perform work in lab of virtual machines. Almost every action plan I write is tested locally. When I need to troubleshoot an issue for a client one of the most common first steps I’ll perform is attempting to recreate the issue in a virtual environment so I can work on it there without the risk of impacting client data.

I believe that having a place to test and grow your skills is an absolute necessity for anyone working in the IT field today regardless of your specialization, even if you’re an IT generalist. But every now and then I hear about individuals who have issues with their virtual machines or …

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MySQL Health Check Script
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Ever get called out for a MySQL issue only to realize that there was no issue?  It was a false alarm from the monitor.  We sure have and it’s frustrating, especially at 3:00 or 4:00 in the morning!

Many DBAs work in an environment where there is some sort of first level support that gets assigned tickets first.  Unfortunately, many of the times these groups are, shall we say, less than skilled in MySQL.  As a result, they quickly escalate the ticket onto the primary on-call DBA, even when there is really nothing wrong.

Much of the time, there are multiple types of MySQL topology in these environments: standalone, galera cluster, …

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[Reprint]Injection MySQL – Function
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Reprint a PDF for MySQL Injection Test

MySQL Error Based SQL Injection Using EXP

Showing entries 1 to 10 of 1203 10 Older Entries

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