- Roger Hosto - Open Source Geek

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Title: Roger Hosto - Open Source Geek
Description:Roger Hosto - Open Source Geek Roger Hosto Open Source Geek Menu Skip to content Home Resume About Installing MariaDB 10.1 on CentOS 6.8 MariaDB is a fork of the MySQL; it is notable for being led by is ranked 25408406 in the world (amongst the 40 million domains). A low-numbered rank means that this website gets lots of visitors. This site is relatively popular among users in the united states. It gets 50% of its traffic from the united states .This site is estimated to be worth $2,503. This site has a low Pagerank(0/10). It has 1 backlinks. has 43% seo score. Information

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Roger Hosto - Open Source Geek Roger Hosto Open Source Geek Menu Skip to content Home Resume About Installing MariaDB 10.1 on CentOS 6.8 MariaDB is a fork of the MySQL; it is notable for being led by the original developers of MySQL and is community-developed. The original developers forked it due to concerns over its acquisition by Oracle. MariaDB intends to be a “drop-in” replacement for MySQL, ensuring capability with library binary and matching with MySQL APIs and commands. Making it extremely easy for current MySQL User/Administrator to switch over with little to no difference in how they use it. It includes the XtraDB storage engine an enhanced version of the InnoDB storage engine. XtraDB is designed to better scale on modern hardware and includes a variety of other features useful in high-performance environments. To top it off XtraDB is backwards compatible with the standard InnoDB, make it a good “drop-in” replacement. Installational is pretty straight forward and very similar to installing MySQL. I prefer to install package with yum. So the first thing it to add the MariaDB yum repo. Pick your favorite editor and added the following file. /etc/yum.repos.d/MariaDB.repo # MariaDB 10.1 CentOS repository list - created 2017-03-03 18:33 UTC # [mariadb] name = MariaDB baseurl = gpgkey= gpgcheck=1 Now run the following. [rhosto@localhost ~]$ sudo yum clean all [rhosto@localhost ~]$ sudo yum install MariaDB-server MariaDB-client Now we can start the service. [rhosto@localhost ~]$ sudo service mysql start Next I strongly recommend running ‘/usr/bin/mysql_secure_installation’. Which will set the MariaDB root user password and give you the option of removing the test databases and anonymous user created by default. [rhosto@localhost ~]$ sudo /usr/bin/mysql_secure_installation NOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MariaDB SERVERS IN PRODUCTION USE! PLEASE READ EACH STEP CAREFULLY! In order to log into MariaDB to secure it, we'll need the current password for the root user. If you've just installed MariaDB, and you haven't set the root password yet, the password will be blank, so you should just press enter here. Enter current password for root (enter for none): OK, successfully used password, moving on... Setting the root password ensures that nobody can log into the MariaDB root user without the proper authorisation. Set root password? [Y/n] y New password: Re-enter new password: Password updated successfully! Reloading privilege tables.. ... Success! By default, a MariaDB installation has an anonymous user, allowing anyone to log into MariaDB without having to have a user account created for them. This is intended only for testing, and to make the installation go a bit smoother. You should remove them before moving into a production environment. Remove anonymous users? [Y/n] Y ... Success! Normally, root should only be allowed to connect from 'localhost'. This ensures that someone cannot guess at the root password from the network. Disallow root login remotely? [Y/n] Y ... Success! By default, MariaDB comes with a database named 'test' that anyone can access. This is also intended only for testing, and should be removed before moving into a production environment. Remove test database and access to it? [Y/n] Y - Dropping test database... ... Success! - Removing privileges on test database... ... Success! Reloading the privilege tables will ensure that all changes made so far will take effect immediately. Reload privilege tables now? [Y/n] Y ... Success! Cleaning up... All done! If you've completed all of the above steps, your MariaDB installation should now be secure. Thanks for using MariaDB! Now verify that it will startup on reboot. [rhosto@localhost ~]$ sudo chkconfig --list mysql mysql 0:off 1:off 2:on 3:on 4:on 5:on 6:off And you are good to go. [rhosto@localhost ~]$ mysql -u root -p Enter password: Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 11 Server version: 10.1.21-MariaDB MariaDB Server Copyright (c) 2000, 2016, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]> Posted on March 3, 2017 by rhosto. Posted in Databases Administration | Leave a comment Linux Mint Linux Mint Linux Mint is a community-driven Linux distribution based on the popular Ubuntu and Debian. Initially released on August 10, 2006, and with ten years to grow, it has become one top desktop Linux distribution. To do to this Linux Mint provides some proprietary software and comes bundled with a variety of free and open-source applications. Release, however, they have back off a little with some of the proprietary software being installed by default. It Some of the reasons for the success of Linux Mint are: It works out of the box, with full multimedia support and is extremely easy to use. It’s both free of cost and open source. It’s community-driven. Users are encouraged to send feedback to the project so that their ideas can be used to improve Linux Mint. Based on Debian and Ubuntu, it provides about 30,000 packages and one of the best software managers. It’s safe and reliable. Thanks to a conservative approach to software updates, a unique Update Manager and the robustness of its Linux architecture, Linux Mint requires little maintenance. Linux Mint 18.1 VirtualBox Motherboard settings. To test Linux Mint out, I installed it on a VirtualBox VM with 1 CPU with 4G RAM and 20G of storage. I enabled 3D Acceleration and bumped the Video memory up to 128M. Linux Mint 18.1 VirtualBox Display Settings. Installation is pretty straight forward and easy to do. Linux Mint can be run from a Live-DVD or booted it from a USB flash drive on any PC capable of booting from a USB drive, with the option of saving settings to the flash drive. I just download the iso and attached it as an optical drive on my VM. The look and feel are immaculate and easy to use, most of the desktop applications that you would need are already installed. You have the LibreOffice Suite, Firefox, Thunderbird Mail, and GIMP. Out of the box, I would say it’s a very functional desktop. Posted on February 28, 2017 by rhosto. Posted in Open Source Software | Leave a comment Querying Apache Hadoop Resource Manager with Python. Querying Apache Hadoop Resource Manager with Python. I was recently asked to write a script that would monitor the running application on the Apache Hadoop Resource Manager. I wonder over to the Apache Hadoop Cluster Application Statistics API. The API allows to query most of the information that you see in the WEB UI. Information such as status on the cluster, metrics on the cluster, scheduler information, information about nodes in the cluster, and information about applications on the cluster. I firs... Whois

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