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Receive Voice Call
This sketch receives a voice call from an Arduino or Genuino board equipped with a GSM shield. Once the call is received and connected, it shows the number that is calling, and hangs up. You’ll need to attach a speaker and microphone to hear the connected call and transmit your voice. Hardware Required Arduino or […]
Set Up and Use Yum Repositories on Redhat / CentOS
We can install new software on Red Hat/CentOS Linux with “yum install packagename” command from console. Running this command first checks for existing YUM Repository configuration files in /etc/yum.repos.d/ directory. It reads each YUM Repository configuration file to get the information required to download and install new software, resolves software dependencies and installs the required […]
How to re-sync the Mysql DB if Master and slave have different database incase of Mysql replication?
This is the full step-by-step procedure to resync a master-slave replication from scratch: At the master: And copy the values of the result of the last command somewhere. Without closing the connection to the client (because it would release the read lock) issue the command to get a dump of the master: Now you can release the […]