This site is maintained by Adil Hasan Mhaisker.
Here I post things related to technology (mostly Computers), which I get into trouble and google won't give me straight and direct answers to. So, to not let this happen to other people, I put such things here which can save time for many people.
H3C routers' Traceroute timeout issue
When it comes to traceroute, H3C routers behave like firewalls. i.e., They will NOT respond to the traceroute, and hence there will be an output of 3 stars (*) followed by Request timed out for hop of H3C router. Although, while troubleshooting, it becomes quite necessary to have all the hops displayed in front of you.
To enable this feature where you will be able to get the output in traceroute for H3C routers, just issue this one command in H3C router (in system-view):
[Router-name] ip ttl-expires enable
Check out the results below for traceroute before and after executing the above command on the third hop (which is H3C router).
Results for Traceroute before and after enabling ttl-expire on H3C router
Recently I ran into issue to find out what is /dev/cciss/c0d0pX. Unfortunately, there was no direct and simple answer from the great Google.
This thing you can find in Linux OS where your partitions are mounted on for eg. /dev/cciss/c0d0p2 instead on regular /dev/hdaX or /dev/sdaX. These are kind of "virtual disks" (/dev/cciss/c0d0) and are NOT regular hard disks (unlike /dev/hda or /dev/sda). Actually, these are RAID device configured from the BIOS or SmartStart CD before installing the OS.
When you will try to install the Linux OS over such RAID
configured from BIOS level, your OS will detect them as "/dev/cciss/c0d0" disks instead of regular "/dev/hda" or "/dev/sda". Although you
can use them as your normal drives and create partitions, which will be called
as “/dev/cciss/c0d0p1”, “/dev/cciss/c0d0p2”, etc, whereas your
normal drives would have looked like “/dev/hda1”, “/dev/hda2”, etc or “/dev/sda1”,
“/dev/sda2”, etc. You CAN use these par…
This link includes the firmwares for ALL HP networking devices including firmware for Procurve switches (E-series), H3C switches (A-series), MSR Routers, H3C SecPath UTMs, etc. Just type the model (or part number) you are looking to upgrade in the search box as shown (Click to enlarge).
So recently, a new flavor of Linux had been introduced as
Kali Linux and is being advertised on Backtrack website. What is this fuss all
about? What is Kali Linux and why are Backtrack guys advertising it. To know
the answer, read below.
Kali Linux is the Next-Generation
Backtrack Linux. Or as some people might say, Backtrack Linux 6.0 = Kali Linux 1.0
So why did they changed the name of the distribution and
created the confusion in the first place? The main reason was that the new
release of Backtrack (i.e., Kali Linux now onwards) is a very different and advance version . It
has many differences as compared to the original Backtrack distribution, and
hence, using the same name with new version number would not do justice to
their work. Hence they came up with a new name.
Now the question arises, what are the main differences (upgrades)
in Kali Linux as compared to the original Backtrack Linux? To know the answer, see
what the documentation at Kali Linux says here.