Recently, another weird problem happened to my customer dns server using Bind 9 and running on top of SLES10 server. At very first, the SLES10 machine serve as a slave dns server for Primary dns (WIN2K) server and both machine perform very well for a month without any problem. But when my customer gave a green light to poweroff the Primary DNS and convert the SLES10 to become a master dns server, the nightmare is come. Why? Because every 5-10 minutes the bind services will go down without any reason. Can you imagine the pressure when the DNS server is not running on customer production environment? No internet, email & other server domain & hostname also can’t be resolved.

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Just want to share with you a synchronizer tool called “Unison” which I used during data migration. What is Unison?. Unison is a file-synchronization tool for Unix and Windows. It allows two replicas of a collection of files and directories to be stored on different hosts (or different disks on the same host), modified separately, and then brought up to date by propagating the changes in each replica to the other (google). Read more

This early morning I tried to figure out, why my customer can’t browse their samba server on SLES 10SP1 by using server hostname (\\samba01\share). They don’t have any problem if they use IP address (\\192.168.x.x\share). The server already with correct hostname & fqdn hosting on WIN2K3. Read more