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Showing entries 1 to 10 of 28 10 Older Entries

Displaying posts with tag: rhel (reset)

How to install MySQL 5.6 on CentOS 7
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A bit of history

The latest version of Red Hat Enterprise Linux, one of the most popular and respected Linux distributions in the server market, was released in June 2014, followed by CentOS 7 and Oracle Linux releases in July of the same year.

There are very interesting changes for database …

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How to install Phalcon PHP framework in Ubuntu linux?
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Well, we have all heard about the fastest php framework out there. But how do we install it in a Ubuntu Linux machine.

Default process for any linux setup.

Steps:

1. First, we need  a few packages previously installed. To install them, issue the distro specific command in your linux terminal.

For Ubuntu:

sudo apt-get install php5-dev php5-mysql gcc libpcre3-dev

For Fedora:

sudo yum install php-devel php-mysqlnd gcc libtool

For RHEL:

sudo yum install php-devel php-mysql …

















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RHEL7 now with MariaDB
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Congratulations to the entire team at Red Hat, for the release of Red Hat Enterprise Linux 7 (RHEL7). The release notes have something important, under Web Servers & …

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Compile at CentOS 6.5 the new MySQL webscalesql-5.6.17 branch by Facebook, Google, LinkedIn, and Twitter
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http://webscalesql.org/

yeah , big buzz around that one :)

So I decided to check the install process:

1. Clone the repo from

root@webscalesql-5.6.clean:[Mon Mar 31 11:37:11][~]$ cd /opt/
root@webscalesql-5.6.clean:[Mon Mar 31 11:37:15][/opt]$ mkdir installs
root@webscalesql-5.6.clean:[Mon Mar 31 11:37:17][/opt]$ cd installs/
root@webscalesql-5.6.clean:[Mon Mar 31 11:37:19][/opt/installs]$ git clone …
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Connect MySQL to sqlite3 database or to flat txt file via CONNECT engine of MariaDB 10.0.7 on Fedora/CentOS
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You might don’t know that, but the MariaDB engines are amazing ..
More info you can find here:
https://mariadb.com/kb/en/mariadb-storage-engines/

I was teased by CONNECT engine : https://mariadb.com/kb/en/connect/

What is good for ? Well, I leave that to your imagination, as you could have MariaDB as a spider connected and managing InnoDB tables, flat files, MS ACCESS databases, MS Excel files … all that in …



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MariaDB & distributions update, Dec 2013
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A few things to note recently, amongst MariaDB in distributions. 

  1. Ubuntu keeps MySQL 5.5 despite MariaDB’s success. There’s a lot of reasons for this, but remember the key takeaway here is MySQL 5.5 & the fact that MariaDB wasn’t even in Debian yet when the decision was made.
  2. MariaDB is now inside of Debian/sid – check out the packages.
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Daily backup OpenStack single MySQL with Percona innobackupex including the /etc directory
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this is a short script for daily backup of the OpenStack MySQL and the /etc direcotry of the control node

[root@dev-epg-rhos-01 BACKUP]# cat /root/bin/epg.innobackupex.openstack.sh
#!/bin/sh
# done for epgmad4@tid.es
# Barcelona Thu Oct 17 16:30:36 CEST 2013

days_to_keep=7
NFS=/BACKUP
exportDate=`date +%Y-%m-%d.%H.%M.%S`
export_DIR=${NFS}/${HOSTNAME}.${exportDate}
test ! -d "${export_DIR}" && echo "$(date) : creating ${export_DIR}" && mkdir -p "${export_DIR}"
export_MySQL_DIR=${export_DIR}/mysql.bckp
export_ETC_DIR=${export_DIR}/etc.bckp
rsync -avh /etc ${export_ETC_DIR}
echo …
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Public DNS resolve for VM instances hosted at OpenStack nova compute grizzly edition
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Issue – the OpenStack instances hostnames are not resolved at the moment by their floating IPs.

Fast solution – use PowerDNS
Short story:
1. Boot an instance , assign it a floating IP, open tcp ports 22 8001 and udp port 53.
2. Install PowerDNS, the particular yum package is named pdns.
3. install the mysql backend for PowerDNS, its available as yum package as well.
4. Install MariaDB , set the proper configuration, the initialize it at the default location.
5. Set the pdns user, create the pdns database and create the tables needed.
6. Configure the pdns …






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Some MariaDB related news from the Red Hat front
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This is a followup to my early post a month ago titled: MariaDB replaces MySQL in RHEL 7 (lots of stuff in the comments). It’s clear that MariaDB’s role is in Software Collections, which is new in RHEL.

Steven J. Vaughan-Nichols writes Red Hat will switch from Oracle MySQL to …

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On operating system upgrades and a packager’s nightmare
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A fairy tale

Once upon a time I did an operating system upgrade, a minor one that should do no harm, but just get me up to date by fixing any bugs in the version I had been using. It seemed like a good idea.

All seemed to be fine. I use a package provided by an external vendor and not the one produced by the operating system provider as this vendor provides a newer version of the package and I need that. The vendor has to make his package fit in the os environment his package is built for and normally does a pretty good job.

I use automation to build my systems and when I built a new one some issues …

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Showing entries 1 to 10 of 28 10 Older Entries

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