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Apply Configuration never completes in Nagios – How to tackle
Sometimes, even though we Apply Configuration, it never completes in Nagios. Here is the error message it produces: * Configuration submitted for processing… * Waiting for configuration verification………………< Here at Bobcares, we have seen several such...
Port 113 IDENT Requests – How to disable
Wondering how to disable Port 113 IDENT Requests? We can help you. The Ident Protocol (Identification Protocol, Ident), is an Internet protocol that helps identify the user of a particular TCP connection. One popular daemon program for providing the ident service is...
Configure software RAID on Linux using MDADM – How we do it
Wondering how to configure software raid on Linux using MDADM? We can help you. RAID stands for Redundant Array of Inexpensive Disks. It allows us to turn multiple physical hard drives into a single logical hard drive. To set up RAID, we can either use a hard drive...
Prometheus Distributed Monitoring System – An Overview
Wondering what is Prometheus Distributed Monitoring System? We can help you. Prometheus is an open-source monitoring system developed by SoundCloud which stores all its data in a time-series database. Furthermore, it allows a multi-dimensional data-model and a...
Linux vs Windows file systems – Let us choose among the two
Stuck between Linux vs Windows file systems? We can help you. Both Windows and Linux use file systems to store data in an organized manner. They organize disk-based files into a hierarchy of directories. Such directories are, “folders” and a whole hierarchy is a “file...
Server Hardening – A quick introduction on what it is
What is Server Hardening? Let us discuss. All of us have a security concern for our server from hackers. If we leave it without any firewall or security system, the chances for a hack are high. Generally, to avoid this, we tweak the server with the technique, ‘Server...
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FreeBSD Apache Jail: Connection refused – How to fix
Stuck with 'FreeBSD Apache Jail: Connection refused'? We can help you. While using Apache on FreeBSD we may end up with this error at times. FreeBSD is an operating system for a variety of platforms that focuses on features, speed, and stability. Here at Bobcares we...
No guest machines present libvirtd – How to fix
Stuck with 'No guest machines present libvirtd' error? We can help you. Recently one of our customers came to us stating that the libvirt daemon is successfully started, but no guest virtual machines appear to be present. Here a Bobcares we handle similar errors as a...
Advantages of Data Warehouse in Business Organization
Need to know the advantages of data warehouse? We can help you. Often big companies invest large sums of money on data warehousing tools and technologies so that they get up-to-date, accurate, and integrate information about their products and customers. A Data...
libvirtd failed to start – Resolve it now
Are you facing the error ‘libvirtd failed to start’ while manually trying to start libvirt daemon? You are at the right place to find a solution. Sometimes, the libvirt daemon doesn't start automatically. Also, it will fail if we manually start it. Here at Bobcares,...
SQL error 1071 – Quick solution
Are you stuck with the error message 'SQL error 1071' and looking for a solution? We can help you resolve this SQL error This SQL error mainly occurs if the combined key is too long. So by adjusting the varchar value, we can resolve this error message. Here at...
Enforcing server security using hardware firewall
Enforcing server security using a hardware firewall is quite important to protect the server. A hardware firewall is a network device that is connected upstream from a server. It automatically blocks all the unwanted traffic before it reaches the server. Thereby, it...
