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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...
DNN Https Redirect – How we can do it?
Looking for the steps to redirect Http to Https in DNN? We can help you. We perform the https redirect to encrypt all the connections to the DNN website. At Bobcares, users often approach us with queries regarding DNN as a part of our Server Management Services....
Install Kibana in CentOS 7 – A dashboard for Elasticsearch
Are you in search of the steps to install Kibana in CentOS 7? You are at the right place. Elasticsearch works as an efficient search engine for app log files. Moreover, the web interface Kibana helps in viewing and searching data easily. As a part of our Server...
iptables: Firewall is not running – How we start the service again
Are you getting the warning 'iptables: Firewall is not running'? We can help you. Usually, this happens when iptables.service is not running in the server. This can be due to missing binaries or improper installation. At Bobcares, we fix iptables errors in servers, as...
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MySQL max_connections reached maximum – How we solve it
Is your website showing MySQL max_connections reached maximum limit error? We can help you. Usually, insufficient MySQL max_connections value will give a “Too many connections” error when we try connecting to the MySQL server. At Bobcares, we often get requests to fix...
check_nrpe socket timeout after 10 seconds : Easy fix!
Is your Nagios showing 'check_nrpe socket timeout after 10 seconds' error? Usually, this happens due to the port or IP address block either in Nagios core server or host server. At Bobcares, we often get requests from our customers to fix these Nagios errors as part...
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...
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