Russia is known for so many things, even before starting 'war' with the Ukrainians. Perspective of what Russians are known for are based on country's or continent's perspective. The way Asians see Russia is different from the way Americans or Africans.
Nevertheless, I have extracted some do's and don'ts in Russia from an article written by Gbenga Olowu in a tour and culure blog.

The do's include;
1. Always remove your glove before shaking hands in Russia.
2. Address people you are meeting for the first time with вы (You), it’s a sign of respect.
3. Always visit a Russian with a gift, no matter how little. A cake, tea, even a biscuit goes a long way.
4. Install basic mobile applications on your phone for easy access to any of your destinations with little help from Russians due to language barrier. The applications are; 2gis and Yandex taxi.
5. Respect people’s privacy. Minimize the volume of your devices not to distract others, always put on your airpod or earpiece. Equally, don’t start a conversation on general topics with Russians you don’t know, except you need help from them.
6. Always be prepared to take pictures, and answer some basic questions from Russians, especially on your first day of communication.
7. Have Russian friends and never ignore the companies of your people (country or continent men) in Russia.

See full article on Russian people and cultures

The don'ts include;
1. Don’t leave an empty bottle of vodka on the table standing. This is not proper and unethical to Russian people.
2. Never laugh at a drunken man on the streets of Russia. Drinking is a habit for most Russians, a hit on one is a hit on all.
3. Don’t try to preach your faith to any Russian. You think your faith is better? I advise you to only share testimonies with them, don’t tell them to accept your faith.
4. Don’t ignore a grandmother or grandfather that needs help on the road. In addition, helping ladies with anything that may suit them is a way of proving yourself as a gentleman in Russia.
5. Don’t start a political conversation on the streets of Russia. Learn how to face your business.
6. Don’t wear your footwear beyond the foot mat inside a Russian apartment, they will always offer you slippers in return.
7. Don’t try to get the attention of anyone you don’t know with a smile, it’s considered a mental issue.

What are the dos and don'ts of naija again someone should remind me

They should also add '' don't bully another because you are stronger than them" to their don'ts to make it 8

If you asked me, I will say "Don't joke with them for you not to be bullied" smiles.

Afamsi:
They should also add '' don't bully another because you are stronger than them" to their don'ts to make it 8