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Moodle SMTP error could not authenticate- Quick Resolution!!
Are you frustrated with "Moodle SMTP error could not authenticate"? Though moodle comes with many standard features, it is never free of errors. An SMTP authentication error is a tricky moodle error. This occurs mainly due to errors in SMTP fields in moodle...
Postfix queue file size limit exceeded – Quick fix!
Is your server reporting Postfix queue file size limit exceeded error? This can be simply resolved by changing the message size limit in the config file. Mails are so crucial today and so are the mail errors. Hence, at Bobcares we provide an immediate fix for Postfix...
Asp.net Provider 80004005 Unspecified error – Fixed
Asp.net Provider 80004005 Unspecified error can be a pain unless fixed. It appears all of a sudden making website features inaccessible. The typical causes include unresponsive databases, insuficients permissions, etc. At Bobcares, we often get requests to solve such...
ufw block ping – Quickest way
Want to block ping in servers using UFW? Enabling ping on the server can make the server prone to attacks like Ping flood, Ping of death, etc. Fortunately, UFW has user-friendly options to block PING requests on the server. At Bobcares, we often receive requests...
VPN Error Code 812 – Quick Fix
Have you ever end up using a VPN, only to find that it's impossible to connect? Does it return a weird message of VPN error code 812? Interpreting VPN connection error codes can be frustrating. This 812 error mainly happens due to policy mismatch between VPN client...
ModSecurity whitelist IP – Easy way to do it!
Are you thinking about the ModSecurity whitelist IP option? ModSecurity can actively search for device threats and avoid malicious activity. However, often these rules trigger even with legitimate requests. This affects the normal working of the website. At Bobcares,...
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Quick fix for SMTP Error (-1) : Connection to server failed
SMTP Error (-1): Connection to server failed. That was an error message our customer recently got while trying to send mails via Roundcube. Usually, this error occurs due to firewall restrictions, mail server malfunctioning, and so on. At Bobcares, we often get...
MySQL error 1215 -Top causes and fixes!
Databases operations like backup or restore often result in annoying errors. Usually, MySQL error 1215 pops up while creating a foreign key or constraints in the database table. There are many reasons for this error to occur which include in-appropriate quotes in the...
Rdesktop failed to open display – Quick Fix
Do you need to work on Windows Server when you are much of a Linux guy ?? The rdesktop utility is useful to configure services in a windows server from a Linux system. However, it often fails with error "Rdesktop failed to open display". We troubleshoot rdesktop...
Rsync error code 11 – How we fix it?
Did your daily backup ended up with Rsync error code 11? The error code description says it's an error with the file I/O. Basically, rsync error 11 occurs when the disk space is full or if the system cannot detect the external drive. At Bobcares, we often get requests...
Best way to fix – InnoDB memory heap is disabled
InnoDB works as a better option when dealing with large databases. However, often misconfiguration in the InnoDB settings results in errors. Older MySQL versions report error "InnoDB memory heap is disabled" when the InnoDB uses System memory. At Bobcares, we receive...
SMTP error 452 – Top 4 tried and tested fixes
Are you getting SMTP error 452 when sending mails? The 452 too many recipients error mainly happens due to message overload. When we try to send too many emails at once, the server storage limit exceeds and results in this error. At Bobcares, we often receive requests...
