Configure Proxmox 5.2 mail notifications using a relay mail account
Proxmox is a good solution for small bussines, you will get an hypervisor with scheduled backups. In some costumers we…
Error 80070035 accessing to a windows 7 shared folder from a windows 10
Today we get a lot of calls complaining about that remote share folders aren't working in some windows 7 computers.…
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…
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…
Centos 7.4 Samba shares not working in printer
Updates are good, they improve our system security and add more feature to our software. In this case after updating…
Unresponsive NFS server
At Calidade Systems we check our customer daily backup report. Today we detect the lack of one report. We connect…
Creating a Development Server using JBoss 7 AS on Centos 7
In some cases a system administrator needs to use old versions of certain software in order to get a development…
Dell SC1430 Diagnostics Indicator Codes
Recently I have to deal with a old Dell SC1430 server it was really difficult to find diagnostic table I…
A RAM slot does not work
increase Memory and replace CPU is a fast way to improve performance in a workstation, recently during a workstation upgrade…