Our services
IT fleet renewal scheduled
we make a inventory of your computers and create a renewal proposal in budget
Remote and in site support
when possible we offer you remote support, avoiding travel expenses to your office, faster and cheaper
Computer optimization
We check your equipment for get maximum performance
expert’s report
Experts collegiate
Monitoring 365×24
We check your server health continuously, mitigating downtimes
Backup Automatitation
stop asking you when you make the last backup, we create a backup strategy for you and check daily
Server Consolidation
Using virtualization technologies, we reduced server spent and improve his management
Data Recovery
When your installation is not well planned is time to recover data.
Proactive Maintenance
Better that solve problems is avoid problems
What our clients say
Calidade Systems help us to obtain the max performance of our equiment, created an automatic scheduled backup systems and checks our server performance. Now we don’t worry about I.T. problems because Calidade Systems has a plan B

Thanks to Calidade Systems we have deploy, stagin and production enviroments, they have improved the performance of our servers now our webapps have incredibly fast response time

Latest news
Start a Percona 5.7 cluster after a controlled shutdown
In each node check the content of /var/lib/mysql/grastate.dat version: 2.1 uuid: 9a50c4ec-4332-11e8-8b88-77564bb9f22a seqno: 45 safe_to_bootstrap: 0 select the node with the highest value in seqno and edit the value of safe_to_bootstrap to 1 should be like these version: 2.1 uuid: 9a50c4ec-4332-11e8-8b88-77564bb9f22a seqno: 45 safe_to_bootstrap: 1 in these node run systemctl start mysql@bootstrap.service in the other […]
Ansible print hostvariables
Sometimes we need to check hostvars in our ansible hosts. a quick way to get this done should be
configuring XenServer 7.x mail notifications through external mail server
Generally Small and Medium Business doesn’t have a own mail server in office. If we want to receive notifications we can configure Xenserver to use an existing email account to relay messages. #1 Open a ssh session in desired Xenserver install #2 Edit your ssmtp file #3 Your ssmtp.conf file should have these values #4 […]