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Block Country using ModSecurity Rule – The quick way!!
Is your web server facing a recent country-based attack? One of the best methods to prevent such attacks is to block a country using ModSecurity Rule. The ModSecurity application firewall uses special security rules to prevent unauthorized website access. At Bobcares,...
Ansible-playbook error missing target hosts – How to resolve it
Automation tools like Ansible make use of playbooks to send commands to remote computers using scripts. It primarily use Hosts while executing the commands. Often due to incorrect command syntax or missing hosts, it ends up in "Ansible-playbook error missing target...
Rsync error log – How we set it up?
Is there a rsync error log by default? Just like any other service, rsync logs come handy while troubleshooting errors. Fortunately, Rsync does provide options to log every detail regarding file transfer. At Bobcares we often get requests to log rsync errors, as a...
Here’s how to fix – Cloudflare error 524
Cloudflare is a very popular CDN that facilitates faster loading of websites. But if not configured right, the website can end up showing Cloudflare related errors. One such issue is Cloudflare error 524. This is mainly caused due to long-running processes on the...
SQL management studio error 18456 – How to resolve it
Are you frustrated with SQL management studio error 18456? Errors are common while using SQL Server Management Studio. Error 18456 occurs when the user is not able to login to the MSSQL management studio. At Bobcares, we often receive requests to solve this error as...
SMTP error 530: Authentication Required – Let’s fix it!!
SMTP Error 530 Authentication Required is an error user gets while sending emails. This error occurs when users configure invalid login details, sender IP gets blacklisted, and so on. At Bobcares, we often get requests to fix SMTP errors as a part of our Server...
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psql could not connect to server Ubuntu – Top 7 reasons and fixes
Databases are vital for websites. Any sort of database connection error makes users sick and tired. A typical PostgreSQL connection attempt results in psql could not connect to server Ubuntu error. This error commonly occurs when the psql service is not running on the...
Webmin DNS management – A smart way to edit records
New website setup, migrations, etc. involve DNS changes. Even a slight mistake can make the website down. That's why managing DNS becomes a crucial task. Luckily, Webmin DNS management makes things easier and simple to configure a Bind DNS server. At Bobcares, we...
Plesk brute force protection – How we set up and fix errors
Brute force attacks are literally annoying and make the entire website down. But, can we do anything to avoid this attack? Yes. Popular control panels like Plesk offer Fail2ban aka IP Address Banning that protects websites from brute-force attacks. However, problems...
Mongodb exited with code 14 – The easiest way to fix the error
MongoDB databases can definitely make websites faster. However, just like any other database server, it can also malfunction. Problems with system clock settings and incorrect file permissions can result in MongoDB exited with code 14 error. At Bobcares, we often get...
Quick fix for PostgreSQL error 42501
A last-minute website error is always frustrating. PostgreSQL database queries often end up in errors with code 42501. This PostgreSQL error 42501 usually occurs when an underprivileged user queries a database. This can be tricky to troubleshoot. That's why we often...
Mongodb error code 11000 – How we fix it
Application and websites generate too much data even in a single transaction. How can we handle this huge amount of data efficiently? Thanks to the NoSQL capabilities of MongoDB, it makes websites scalable and offers superior performance. However, the MongoDB error...
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