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Why reboot when you could just scan your scsi-bus?
Whenever I read install guides about Oracle and installations on VM-Ware I always see remarks telling you to reboot your system after you added a disk. This is not necessary. While your virtual machine...
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X-forwarding
In some situations you have a Linux sysadmin that configures a machine for you, but sometimes you have to configure it yourself. If you happen to end up with some raw iron and you want a minimal...
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startup scripts
Every now and then there’s another discussion about how to create startup scripts for a database. Frits Hoogland just made an interesting post, somehow I get the feeling this information is new for...
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EUS and asmcmd
I have been working a lot with EUS lately at a big customer. My personal account is able to login to databases (EUS) and also on to OEL (OAS4OS). This combined with some chown/chmod commands on OEL...
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Group existence
Usually I work on Linux and I love it. For some sort of reason it just took me an hour to find out if a group existed and what the gid was (ldap was configured). Therefore I make this not to myself:...
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iscsi-targets
I am build a new environment on my testing-kit. Instead of downloading OpenFiler, I decided to build my own ISCSI device on OEL 5. The main reason for this exercise is that I want this box to be DNS...
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rlwrap, wlst and the nodemanager
Lately I have seen a couple of blogposts about wlst and rlwrap (e.g. this one). This blogpost is a friendly warning to all of you who have followed this tip. If you happen to start your nodemanager...
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yum exclude list for Exalogic vServers
Recently I have been doing some work on Exalogic. While building a template for vServers on Exalogic I ran into an issue. After executing yum update following by a reboot, I wasn’t able to connect to...
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OTD-62015 An error occurred while creating server certificates
<UPDATE !!!> One of my colleagues asked for help creating an OTD configuration on an engineered system. For some reason the creation of the administration server failed. Here’s the command he...
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