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How to fix ‘Unknown table engine ‘innodb” error

by Reeshma Mathews | Sep 12, 2016 | Server Management, Technical Support

InnoDB is a storage engine for MySQL. Due to its speedy crash recovery, InnoDB is the preferred engine for high available databases. But there are times when InnoDB throws error, such as ‘Unknown table engine ‘innodb”.  Today, we’ll see when...

‘550-Unrouteable address’ – What causes it and how to fix it in Exim, cPanel and Outlook

by Reeshma Mathews | Sep 9, 2016 | cPanel, Server Management

550 email errors happens due to a multitude of reasons, ranging from a non-existing mail account to a wrongly added mail server rule. Today, we’ll discuss the error ‘550-Unrouteable address’ based on the various scenarios we’ve noticed them...

‘550 5.1.1 User unknown’ – How to fix this email error in Exchange, Postfix and Qmail servers

by Reeshma Mathews | Sep 8, 2016 | Server Management

‘550 5.1.1 User unknown’ is one of the common issues reported by users sending mails to Exchange servers. 550 error means there is some problem with the recipient server which makes it unable to deliver the mail. In our role as Website...

550 Relay Not Permitted – How to fix it in Exim, cPanel, Outlook, Thunderbird and Outlook Express

by Reeshma Mathews | Sep 7, 2016 | cPanel, Server Management

‘550 Relay Not Permitted’ is a common error message in email programs when users attempt to send mails without proper authentication. This is a security measure to protect mail server from open relay. In our role as Support Engineers for web hosting...

How to fix email error ‘403 4.7.0 TLS handshake failed’ in cPanel, Plesk, Exim, Qmail, Exchange and SendMail servers

by Reeshma Mathews | Sep 6, 2016 | cPanel, Plesk, Sendmail, Server Management, Technical Support

Debugging and fixing email errors is a common task we perform in our Outsourced Web Hosting Support services provided to shared server owners. Among the common mail server errors, ‘403 4.7.0 TLS handshake failed’ error happens when a sender tries to send...

How to fix error ‘Could not access KVM kernel module’ in Proxmox, Virtualizor, SolusVM, Redhat, CentOS and Ubuntu

by Reeshma Mathews | Sep 5, 2016 | Proxmox, Server Management

KVM is a Linux virtualization technology that’s used in many virtualization solutions such as Proxmox, Virtualizor and SolusVM. All major Linux systems like RedHat, CentOS, Debian and Ubuntu have in-built support for KVM. Bobcares helps VPS providers and server...

‘Login to Proxmox host failed’ – Why it happens and how to fix it?

by Reeshma Mathews | Sep 3, 2016 | Proxmox, Server Management, Technical Support

The error ‘Login to Proxmox host failed’ can happen in different scenarios: When you try to access the Proxmox VE management console directly While integrating a third party module such as WHMCS into your Proxmox server During the management of a cluster...

Proxmox change IP address in 3 simple steps

by Reeshma Mathews | Sep 2, 2016 | Proxmox, Server Management

Today we’ll discuss how to change the IP address in Proxmox with just 3 steps. At Bobcares, with our Proxmox Support, we can handle your issues. Overview More on Proxmox Steps to change IP address of Proxmox server Lookup the current IP in Proxmox console Change...

Unable to add multiple IP addresses in Proxmox LXC containers? Here’s how to fix it

by Reeshma Mathews | Sep 1, 2016 | Proxmox, Server Management, Technical Support

By default, when an LXC container is created in Proxmox, it is assigned a single static IP to access it. Many a times, users require additional IPs in their containers. Multiple IP addresses are required in cases such as multi-site WordPress hosting, multiple websites...

How to fix error ‘421 Too many concurrent SMTP connections’ in cPanel and DirectAdmin servers

by Reeshma Mathews | Aug 31, 2016 | cPanel, DirectAdmin

Managing and troubleshooting mail servers forms a vital part of the Outsourced Website Support services we provide to shared server owners. Among the common mail server errors, 421 is a common one that happens due to ‘too many concurrent SMTP connections’....
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