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Stay informed and inspired with our blogs to navigate and resolve any technical challenges that you may encounter.
509 bandwidth limit exceeded – Possible ways to avoid it
Is your website showing 509 bandwidth limit exceeded message? It just indicates that your website traffic is too high that the host cannot allow. This too has a simple fix, free up some bandwidth always. Usually, we do this by upgrading the hosting plan, reduce file...
IPTables NAT Masquerade – How we do it?
Ever wondered how private networks can share a single public IP without breaking a sweat? Enter iptables NAT masquerade, a powerful tool that makes this possible. Essentially, it functions as a router, cleverly hiding the access of private networks while sharing a...
Postfix error mail transport unavailable – How we figured it out
There are lots of undelivered outgoing emails in my server and I see an error message as Postfix error mail transport unavailable! . What I need to do? One of the typical postfix errors which creates a problem for many of our customers. Mail transport unavailable...
Fail2ban ignoreip – Easy way to whitelist trusted IPs
Fail2ban ignoreip is a default feature to whitelist trusted IPs. Usually, fail2ban bans IPs that are suspicious while monitoring logs. But if the user wants to whitelist a trusted IP, we edit ignoreip in the conf file. At Bobcares, we use fail2ban to whitelist IPs, as...
Fail2ban blacklist IP – Easy way to do it!!
Have you ever wondered how fail2ban blacklist IP? Fail2ban protects our server mainly from brute-force attacks. It bans suspicious IP addresses in the server firewall. At Bobcares, we often receive requests to blacklist IP addresses as part of our Server Management...
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...
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DirectAdmin port 2222 not working – How we fix it!
"Am unable to access my server via http://xxx.xxx.xxx.xx:2222, DirectAdmin port 2222 not working". Please fix it. That was a recent HelpDesk request we received in our Server Management Services. This is a common issue when we try to connect the server via the...
Easy fix for VPN error 429!!
Ever wondered why we get a VPN error 429? Usually, we use a VPN to have secure connections. But, some errors are common while connecting VPN over the internet. Error 429 is one such error that occurs due to connection failure between the VPN client and server. At...
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...