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MongoDB service is not starting up – What to do
Your MongoDB service is not starting up? We can help you fix it. Here at Bobcares, we have seen several such MongoDB errors as part of our Server Management Services for web hosts and online service providers. Today, let us see how our Support Engineers resolve this...
Log Suspicious Martian Packets/Un-routable Source Addresses in Linux
Wondering how to log suspicious martian packets? We can help you. A Martian packet is an IP packet that specifies a source or destination address that is reserved for special-use by Internet Assigned Numbers Authority (IANA). Often martian and unroutable packets get...
Redirect FreeBSD Console To A Serial Port: in KVM Virsh
Wondering how to redirect FreeBSD Console To A Serial Port? We can help you. We use KVM to run multiple virtual machines under Redhat Enterprise Linux. FreeBSD is an operating system for a variety of platforms that focuses on features, speed, and stability. Here at...
PXE Boot (or DHCP) Failure on Guest – How to resolve
Wondering how to resolve PXE Boot (or DHCP) Failure on Guest? We can help you. Often guest virtual machine starts successfully but is then either unable to acquire an IP address from DHCP or boot using the PXE protocol, or both. Here at Bobcares, we often handle...
How to setup AWS CloudFront and how it delivers content
Wondering how to setup AWS CloudFront? We can help you. CloudFront retrieves data from the Amazon S3 bucket and distributes it to multiple datacenter locations. The data delivers through edge locations. When we request data, the nearest edge location routes, resulting...
Troubleshoot DNS issues: An Easy Approach
Wondering how to troubleshoot DNS issues? We can help you. DNS or Domain Name System refers to the mapping of a domain name to an IP address or vice versa. And BIND (Berkeley Internet Name Domain), is the widely used DNS server on UNIX and Linux. If the DNS server...
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Migrate database from MySQL to PostgreSQL using pgLoader
Are you looking for steps to migrate a database from MySQL to PostgreSQL using pgLoader? Take a peek at this blog for the migration steps. pgLoader is a great tool to migrate a database from one database engine to another. Here at Bobcares, we often receive requests...
DirectAdmin is not a valid username – Resolve it now
Receiving an error DirectAdmin: is not a valid username? We can help you with fixing this restore error. Normally, this error occurs if the username length of the account is larger than the value set in the Directadmin configuration file. Here at Bobcares, we often...
DirectAdmin invalid characters in mail autoresponder – Quick fix
In DirectAdmin, are you receiving invalid characters in the mail autoresponder? We can help you resolve it. This happens as, by default, no character encoding is specified for auto-replies or vacation messages. Here at Bobcares, we often receive requests to fix errors...
How to secure mail server – Few tips for optimal protection
Wondering how to secure a mail server? We can help you. As we all know, the current world is alive through emails. If one day this stops, we will face a serious problem. It is quite common for people to exploit mail servers. Unfortunately, the same system that...
Shared connection to server closed – How to fix Ansible error
Stuck with the Ansible error, Shared connection to server closed? We can help you. Recently we had a customer who came across the error while running an Ansible command to execute commands on two newly deployed CentOS 8 servers. As part of our Server Management...
Manage Networking with NetworkManager in RHEL/CentOS 8
Wondering how to manage Networking with NetworkManager in RHEL? We can help you. In RHEL and CentOS 8, the NetworkManager daemon manages the networking service to dynamically configure and control network devices and keep connections up and active when they are...
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