infrastructure

How to disable Cloud-Init in a EL Cloud Image

Submitted by alvaro.soto on Wed, 12/12/2018 - 13:20

So this one is pretty simple. However, I found a lot of misinformation along the way, so I figured that I would jot the proper (and most simple) process here.

Symptoms: a RHEL (or variant) VM that takes a very long time to boot. On the VM console, you can see the following output while the VM boot process is stalled and waiting for a timeout. Note that the message below has nothing to do with cloud init, but its the output that I have most often seen on the console while waiting for a VM to boot.

[106.325574} random: crng init done

Free EL YUM Repositories

Submitted by alvaro.soto on Fri, 08/10/2012 - 12:33

If you are using some flavor of an Enterprise Linux, eventually will get tired of download rpm packages from Here BTW, is a really great page when you don't have access to FTP services (damn telecom/security guys). And eventually, you will need to have repositories on your server to solve the dependencies. Here are some free repository provided by Oracle for FREE, but of course, with NO SUPPORT.

Setup MX records with tinydns or djbdns and gmail

Submitted by alvaro.soto on Fri, 06/10/2011 - 01:48

Just modify the data file to look like this one.

evo ~ # vi /bla/bla/bla/tinydns-IPX/root/data
...
...
...
# myowndomain.com's MX Servers
@myowndomain.com::aspmx.l.google.com.:10:86400
@myowndomain.com::alt1.aspmx.l.google.com.:20:86400
@myowndomain.com::alt2.aspmx.l.google.com.:20:86400
@myowndomain.com::aspmx2.googlemail.com.:30:86400
@myowndomain.com::aspmx3.googlemail.com.:30:86400
@myowndomain.com::aspmx4.googlemail.com.:30:86400
@myowndomain.com::aspmx5.googlemail.com.:30:86400
...
...
...

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