Windows 2003: Lost network connectivity

Windows95WowYesterday I was working on an old windows 2003 server. I know: Windows 2003 is beyond End-Of-Life and it is dangerous to use it in production environment, but here in genoa we are famous for not wasting anything, and also the server is used in a “sandbox” and run an old legacy software not available for later windows versions.

When I was copying some files server has stopped all connectivity.
– Attempting to ping any ip on the dedicated LAN returns “destination host unavailable”.
– The NIC & Driver looks fine in device manager
– Ethernet connection in Network Properties shows status as Connected
– Link light and activity light are active on NIC
– Using arp -a I can see that the ip-MAC address association works ! Continue reading

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Detect Hard Drive Failure in Windows using S.M.A.R.T.

Hd_NSAIn this post I will write about some techniques that can be used in a Windows env. to check the hard disk health status using S.M.A.R.T. You can read about S.M.A.R.T. and other stuff in my post
Detect Hard Drive Failure in Linux using S.M.A.R.T. (see linkografia).

S.M.A.R.T. stands for Self-Monitoring, Analysis and Reporting Technology and is a monitoring system for hard disk to detect the low-level indicators of the general health conditions of the device. Note that the raw values are calculated by the drive’s SMART logic internally.

Indeed “S.M.A.R.T Monitoring Tools” exists for windows: did you know ? Continue reading

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PfSense NanoBsd-based: issue after upgrade to 2.3

PfSense-Vers23Some days ago I’ve upgraded my pfSense installed in the office to new release 2.3. This device is running is a mother board PC Engines ALIX-based with compact flash: for this reason pfSense is based on NanoBSD image.
Usually this process is flawless, but now I’ve noticed after the upgrade lot of slowness: some page take long time to respond or do not load at all.
After some search I’ve found the solution in page “Upgrade Guide-pfSense”: pls see linkografia. Continue reading

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Debian & HyperV just do not mix ! How to mitigate Debian freeze on HyperV

Cat and Dog angryIn these days I’ve found an issue related a guest Debian 7 in Hyper-V vers. 6.3 on Windows 2012 R2.
On a random Basis the file system will be mounted Read-Only due to a disk error: as a result Debian hangs and I need to force a reboot to get the system working again.
I made several configuration changes… I’m not sure they have solved the random issue but it’s been three months now and the problem is no longer happened.
In the next some notes about how I have (partially ?) solved the problem. Continue reading

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