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
Linux try to repair bad sector
where 967606 is sector number hdparm –read-sector 967606 /dev/sdahdparm –yes-i-know-what-i-am-doing –repair-sector 967606 /dev/sdahdparm –read-sector 967606 /dev/sda
Windows 2012R2 P2v Virtio SCSI
Sometimes making a dump and restore in clonezilla is not enough. At boot time Windows will load system drivers buy if you have changed your storage windows won’t turn on. In these cases i follow this procedure: 1- Load virtual machine with Windows2012R2 DVD and in recovery go to recovery console 2.- Insert storage controller […]
Centos 8 OpenVPN Tap Server Bridge
nmcli connection delete id <your id>nmcli con add type bridge ifname br0nmcli con add type bridge-slave ifname eno1 master br0 #create tap device nmcli connection add type tun ifname tap0 con-name tapvpn slave-type bridge master br0 mode tap owner 65534 firewall-cmd –permanent –direct –add-rule ipv4 filter FORWARD 0 -o tap0 -i br0 -j ACCEPT nmcli […]