by Joel | Jun 5, 2014 | DNS, OpenSource, Servers
When you have setup a production box, running with a DNS server ( named service, in this matter ), you get tones of queries. If you have disabled recursion, lesser the number of DNS workload. While going through your /var/log/messages, have you found lots of query (...
by Joel | Jun 5, 2014 | DNS, OpenSource
The local DNS cache in your machine will store the locations of web-servers/websites that contain pages which you have recently viewed. If the location of these pages have changed, you will be unable to access them due to the local DNS cache ( the one cached by your...
by Joel | Jun 4, 2014 | cPanel/WHM
A recent & common issue faced with dovecot service in cPanel based server’s is the corruption of dovecot.index files for the email accounts. When the index file is broken, the respective user facing this issue will not be able to login to his webmail and...
by Joel | Jun 4, 2014 | OpenSource
This is a small intro on how to install GNS3 on Ubuntu platforms. GNS3 is a graphical network simulator, which gives you the ability to create network topologies graphically and give the devices a simulated environment to run. This...
by Joel | May 29, 2014 | OpenSource, Servers
A server in a live environment is always susceptible to malware attacks, code vulnerabilities, hacking, rootkits and what not else ! Analyzing your server for these back-doors and pin-pointing the exact issue always poise a big problem to the server owners or their...
