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Server Administration

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Tag: Server Administration

Sushovan Mukherjee September 1, 2024 No Comments

Create a wildcard domain certificate from LetsEncrypt

To generate a wildcard domain certificate, you can use docker. It’s my first choice because we don’t have to install additional software; all will be…
Sushovan Mukherjee September 1, 2024 No Comments

Watch a website’s HTTP status code

Sometimes, during system administration or web application repair, we had to watch the status code it returned. To check a website’s status code, you can…
Sushovan Mukherjee August 25, 2024 No Comments

How to fix too many open files problem in Linux

System Administrators might have encountered the problem of “Too many open files” when dealing with dedicated web servers. But you can see that the file…
Sushovan Mukherjee July 27, 2024 No Comments

How to check domain SSL certificate expiry with PowerShell

Suppose you have multiple domains and need a script to check the SSL certificate validity with one script. Then, you can use that script in…
Sushovan Mukherjee July 14, 2024 No Comments

How to stop author scanning on WordPress site

Author scanning is very helpful for hackers for DDoS and Brute-Force attacks. We should stop it if we are using a WordPress site. Normally we…

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