Converting crt to PEM
Took two steps: openssl x509 -in input.crt -out input.der -outform DER openssl x509 -in input.der -inform DER -out output.pem -outform PEM
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IBM FastT200 serial console wiring diagram
Well, not exactly a digram, but I will describe the IBM FastT200 RJ25 to DE9 wiring. This inforamtion was given to me by a friend, and I both hope it to be accurate, and hope it would help whoever needs it. RJ25 DE9 1 8 2 7 3 3 4 …
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Hot-Adding SAN lun to Linux (RH with Qlogic drivers)
cat /proc/scsi/qla2xxx/$Z” where Z represents the SCSI interface the Qlogic has taken for itself, you’ll get something like this: <Snip> . . </Snip> SCSI LUN Information: (Id:Lun) * – indicates lun is not registered with the OS. ( 0: 0): Total reqs 63185608, Pending reqs 0, flags 0x2, 0:0:81 00 Assuming you’ve just added the…
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RHEL 4 32bit on Tyan Thunder K8QE
It’s sort of a relationship between myself and this Tyan. Same server, changing demands. This time, we’ve had to install on this server RHEL4 32bit. Net-installing RHEL4 Update 3 was impossible. See here, so we’ve installed it from CDs (didn’t have PCI-X network card handy). When booting the server, it showed us only a single…
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Update – Netboot on RHEL x86 (32bit) with Broadcom (tg3) – no network
In my post just below, I have defined a set of tests to verify the possible cause of the tg3 problem. It had nothing to do with autoneg, and was fixed in RHEL 4 Update 4. That 32bit installer works correctly. One last thing to test – rebuild the installer initrd, and replace tg3 module…
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Netboot on RHEL x86 (32bit) with Broadcom (tg3) – no network
I have a PXE installation server setup, and it usually works quite well. I have tried to install a Tyan based system using this setup, but this time – RHEL4 U3 X86 and not the usual X86_64 system. RH installer starts by asking few questions (language, keyboard, method of installation) and fails to obtain DHCP…