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Nginx hotlink protection – How we enable it
Looking for a method for Nginx hotlink protection? A quick way to prevent other websites from using your media files is to restrict its access. However, this requires modification in the Nginx files. That's why we frequently deal with hotlinking protecting requests as...
Rsync error code 20 – Here’s how we sort it out
Is your file transfer ending with rsync error code 20? We can help you. The error occurs due to signal interrupts either from the keyboard or from any user-defined event. Usually, the user-defined interrupts occur due to bad firewall settings, missing packages, and...
How to setup PRTG Network Monitor?
Looking for the steps to setup the PRTG network monitor? We can help you. Monitoring systems like PRTG helps to monitor our website and prompt notifications when a website goes down. At Bobcares, we often receive requests regarding PRTG as part of our Server...
Elasticsearch no alive nodes found in cluster – Resolved
Are you seeing Elasticsearch no alive nodes found in cluster error? Often when users try to call Elasticsearch from an Application server, it ends up in errors. This can be due to failed services, wrong application configuration, etc. At Bobcares, we help customers...
open_files_limit MySQL – Here’s how it relates to max_connections
Is the MySQL open_files_limit variable creating errors? We can help you. In MySQL, open_files_limit is the number of file descriptors available to mysqld from the operating system. At Bobcares, we often get requests to set MySQL variables, as a part of our Server...
Add a host to the Proxmox cluster – Top 2 ways
Looking for a way to add a host to the Proxmox cluster? High availability solutions like Proxmox clusters contain multiple physical servers. At times, users may need to add or remove hosts from the live cluster. That's why we get frequent requests to modify the...
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Ansible failed to connect to the host via ssh – Quick solution
Looking for how to fix Ansible error failed to connect to the host via ssh? We can help you. Ansible saves time by automation of server tasks. However, improper host entry in the Ansible Inventory file or bad SSH configuration can create connection errors too. At...
Maldet Scan – Remove malicious files instantly!
Oops!! Frustrated with malicious files on your website? We can easily find it by Maldet Scan. The Maldet is a malware detector that effectively detects and cleans malicious files. Periodic scanning of website content comes as a major security practice. At Bobcares, we...
How to enable slow query log in MySQL : Top 2 ways
Looking on how to enable slow query log in MySQL? Users often enable this to analyze the performance of web applications and databases easily. The slow query log is a record of SQL queries that takes a long time to execute. At Bobcares, we often get requests from our...
Redis flush command – Clear cache quickly
Confused with the Redis flush command? We'll help you with it. Usually, we use the flush command to delete all the keys in the Redis cache of web app. At Bobcares, we often receive queries regarding Redis as part of our Server Management Services. Today, let us...
Error 523 Origin Is Unreachable – Fix it now!
Oops!! Frustrated with error 523 origin is unreachable? We can help you. Error 523 in Cloudflare indicates that there is something wrong in the origin web server and it has become unreachable. At Bobcares, we often get requests to fix Cloudflare errors, as a part of...
DigitalOcean Live Snapshot – Get rid of backup downtime
Have no clue on how to take a live snapshot of your droplet in DigitalOcean? We can help you with it. Many times Droplet owners cannot afford downtime for taking backup. DigitalOcean snapshot creates on-demand disk images of droplets and volumes saved to account. At...
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