Fix mysql database encoding after import

After hours of research and tests, I finally managed to fix the encoding of a database after it was imported on another server. Usually an export from a server works on another server even if the database charset is different, but it seems this bug causes the issue. This was the post that contains the… Read More »

Common openssl commands

# sha256 self signed certificate with new private key openssl req -newkey rsa:2048 -keyout server.key -nodes -sha256 -x509 -new -days 3650 -out server.crt -subj ‘/C=DE/ST=Berlin/L=Berlin/O=Organization Name/OU=Department/’ # sha256 self signed certificate with existing private key openssl req -key server.key -sha256 -x509 -new -days 3650 -out server.crt -subj ‘/C=DE/ST=Berlin/L=Berlin/O=Organization Name/OU=Department/’ # sha256 certificate request with existing… Read More »

VMware change Management Network mac address

There are situations when you need to manually change the mac address of the Management Network on a VMware ESXi host. For example, if you move the hard drives from an ESXi host into another similar server, but with a better hardware configuration, for a quick hardware upgrade, and the reinstall ESXi on the old… Read More »

Debian add key

Just as a reminder: When you try to update your debian system and receive an error like this: “The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 8B48AD6246925553” This is the solution: gpg –keyserver –recv-key 8B48AD6246925553 gpg -a –export 8B48AD6246925553 | apt-key add –

Wowza push stream

When you have many streaming servers, you usually have some Origin servers and some Edge servers. You publish the streams on the Origin servers, and the Edge servers connect to the Origin servers and pull the streams, and users connect to the Edge servers. When you have Wowza as an Origin server and Adobe AMS… Read More »

mpeg-ts streaming with Wowza

When you stream live, you usually take the audio and video signal from a camera or a mixer, you encode it with an external encoder and send the encoded signal to a streaming server like Adobe Media Server or Wowza Streaming Engine. But some cameras have the option to encode the signal and send it… Read More »