by admin | Sep 15, 2014 | Mail service, Servers
We are observing a brute-force attack towards SMTP connections from different IP addresses with the same machine name – “ylmf-pc“ It could be many malware affected machines involved or an extended IP spoofing. If you have CSF configured properly, the IPs would be...
by admin | Aug 20, 2014 | Servers
Once your new server is provisioned , install Perl in it which stands as the base for all further installations. You can use the following command to install Perl : # yum install perl -y When this is complete, download the script to install Virtualmin : # wget...
by admin | Aug 15, 2014 | General, OpenSource, Servers
When trying to delete the files of a folder ( using # rm ) with lots of contents in it , you might get this error : /bin/rm : Argument list too long The traditional # rm command will not be able to delete too many files in a directory. To get around this, use the...
by admin | Aug 2, 2014 | Servers
Facing an issue with the kernel module, ‘ip_conntrack’ ? Checking /var/log/messages gives something like this ? host kernel: ip_conntrack: VPS xxx table full, dropping packet. host kernel: ip_conntrack: VPS xxx table full, dropping packet. If you run an...
by admin | Jul 21, 2014 | Servers
Just like the DDoS is hitting web-servers and DNS servers, it has started hitting the ntpd servers which are left open. The Network Time Protocol, or NTP, syncs time between machines on the network, and runs over port 123 UDP. It’s typically configured once by network...
by admin | Jul 13, 2014 | cPanel/WHM, Servers
There is a common issue with cPanel when trying to force an update. You might get an error message which looks like : “fatal: Your RPM database appears unstable. It is not possible at the moment to install a simple RPM” – RPM database gets corrupted over a...
