Starting to post about AWS and CloudFormation

I usually run my own infrastructure so I never really played with AWS until now. I mean I used the free tier a few times but never passed that stage. The Cloud system/orchestration/whatever I'm most familiar with is OpenStack. Having said that let's get to the meat of …



F**k me, I'm famous

Besides the lolz I was involved on an identify thief incident, somebody created a GPG key with the same short id as mine. It is important to mention that while short id is different the complete id(s) are different on both keys. Gunnar Wolf, wrote in great detail about …



I'm going to DebConf 16

I'm going to DebConf 16 in Cape Town, South Africa, I can't wait to be there :D



SSHing to IPv6 only machines using a bastion server

Sometimes you don't have an IPv6 configured and you need to SSH to an IPv6 server, you can use a bastion server for that. Host * ForwardAgent yes VerifyHostKeyDNS no StrictHostKeyChecking no GSSAPIAuthentication no HashKnownHosts no TCPKeepAlive yes ServerAliveInterval 60 ProxyCommand ssh -W %h:%p IdentityFile ~/.ssh/id_rsa Unfortunately …



LVM Stripping

I used AWS to play with LVM stripping. [root@ip-172-31-13-194 ~]# lvcreate -i20 -L 10G vg00 Using default stripesize 64.00 KiB. Logical volume "lvol0" created. [root@ip-172-31-13-194 ~]# lvcreate -L 10G vg00 Logical volume "lvol1" created. [root@ip-172-31-13-194 ~]# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT xvda 202:0 0 …



Duplicity and Rackspace Cloud Files

I've used duplicity for a long time now, not because I like it but because it encrypts everything before uploads it. I remember used it to backup my stuff to rsync servers; to backup stuff in previous $WORK, in both cases the destination servers were safe but not the transport …



Ultimo post del año?

El 08 de Octubre hice un post donde prometo postear mas seguido jajaja, obviamente no cumplí. Este año fue bastante movido, con una bocha de cambios y la verdad que ponerse a escribir es una paja. Que cambio este año? Mudanza a Hong Kong :D Cambio de trabajo, que hizo …



USB vs MMC

Long time ago, in a distant galaxy my wife brought and new bigger SD card for his phone, of course I was in charge to copy the data from the old SD to the new SD. The new SD came with an USB adaptor, I have an eMMC (attached to …



Using S3QL with Rackspace Cloud Files

I did struggle with this for hours, until I read the changelog of the feature $ cat ~/.s3ql/authfile2 [HKG] storage-url: rackspace://HKG/s3ql backend-login: XXXXX backend-password: XXXXX The catch is that the password you have to use is the portal password, not the API key, not a token. Just the …



Running Juno!

openstack juno (2014.2) My lab environment runs Juno now :) The upgrade took me 20 minutes, 1 controller and 2 computes nodes The only missed dependency was python-ldappool needed by keystone (I keep my users in LDAP) Looks like a good release, hopefully is so good I will put in …