Solving the error “Unable to complete secure transaction” in Opera

Somehow I noticed an error in Opera “Unable to complete secure transaction”, at that time there was version 12.17, which appeared when switching to protected sites starting in an address with https.
The cause of the error is most likely the wrong date and time on the computer, after correctly installing them, the error should disappear.

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WordPress update error solution “Briefly unavailable for scheduled maintenance”

There was a case once a long time ago, when updating WordPress an error occurred and it turned out that the update did not install and the site remained off.
When it was opened, it was displayed:
“Briefly unavailable for scheduled maintenance”.

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Adding ONT Huawei EchoLife HG8010 to Huawei SmartAX MA5683T

Suppose you configured OLT as I wrote in this article Configuring the Huawei SmartAX MA5683T through the console.
Now connect via telnet or console to the Huawei SmartAX MA5683T.
After entering the login and password, we will go into configuration mode by typing the command:

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