Azure – Backup and restore SQL DB using SSMS

A quick post talking about how to backup and restore a SQL database on Azure using SQL Server Management Studio (SSMS). First, you will need to install SSMS. You can download it here: https://go.microsoft.com/fwlink/?linkid=875802 Once installed, in order to access the database, you will need the server name where is installed. So, you will have to check the Server name in Azure Portal (you can also do it by Powershell of course):...

September 14, 2018 · 2 min · itgaiden

vSphere 6.0: New external PSC within existing SSO Domain

Hello there! A quick post talking about a new external PSC in vSphere 6.0 environments. As you may now the vCenter product is composed by the PSC (Platform Services Controller) and the vCenter component. Services provided by each component: Platform Services Controller <td style="width: 50%; height: 10px; text-align: center;"> <span style="font-family: Didact Gothic;"><strong><span style="background-color: #ffffff; color: #000000; font-size: 12pt;">vCenter</span></strong></span> </td> vCenter Single Sign-On <td style="width: 50%; height: 27px; text-align: center;"> <span style="font-size: 10pt; font-family: Didact Gothic;">PostgreSQL or SQL Express (in 6....

August 20, 2018 · 3 min · itgaiden

vSphere Network I/O Control: NIC Limit bandwidth

Today let’s talk about vSphere Network I/O Control (NIOC) version 3 (vSphere 6.0), it’s a feature in the vSphere Distributed Switch that allows you to control granularly the output/egress bandwidth from a VM network adapter level. Besides there are other useful options within NIOC capabilities, today, I will focus only in the network adapter bandwidth limit for VMs. Prerequisites: Enable the feature in the dvSwitch (in our case the one with Data Network):Scenario:...

August 2, 2018 · 3 min · itgaiden

VMkernel: vMotion and Provisioning in dedicated TCP/IP stacks

It’s been a while since I posted something, but I was busy with university duties and to be honest I couldn’t spend time on publishing things but, here we are! First, I am currently studying for the VCAP6 – DCV Deployment Exam (3V0-623) and I am learning a lot with it, so maybe I will post more topics related with. Today I am going to talk about TCP/IP stacks in VMkernels (for vSphere 6)....

July 23, 2018 · 3 min · itgaiden

Azure – Error when adding new rule on NSG

Hello everyone! It’s been a while since I wrote something, but I was so busy with other things (University) and I wasn’t able to allocate time to write anything. Today I’m going to talk about an issue I found on Azure when trying to add new rules to some NSGs. To create rules in Azure I used this script from TechNet Gallery: https://gallery.technet.microsoft.com/scriptcenter/Create-Azure-Network-5f5c5332 Problem I was trying to add some rules in an NSG with the address 193....

December 31, 2017 · 2 min · itgaiden

Azure – Error when adding new rule on NSG

Hello everyone! It’s been a while since I wrote something, but I was so busy with other things (University) and I wasn’t able to allocate time to write anything. Today I’m going to talk about an issue I found on Azure when trying to add new rules to some NSGs. To create rules in Azure I used this script from TechNet Gallery: https://gallery.technet.microsoft.com/scriptcenter/Create-Azure-Network-5f5c5332 Problem I was trying to add some rules in an NSG with the address 193....

December 31, 2017 · 2 min · itgaiden

VCP6-DCV achieved!

I am going to start talking about the exam VCP6-DCV from VMware. The main resource you should use is the VMware site: http://bit.ly/1PLshWR There you can check a path to achieve VCP6-DCV (there is a newer version VCP6.5-DCV). I took path 1, as I wasn’t certified. Later, I took one official training course, VMware vSphere: Install, Configure, Manage [V6]. Next, I passed the vSphere 6 Foundations Exam (2V0-620) months ago and finally I did VMware Certified Professional 6 – Data Center Virtualization Exam (2V0-621)....

September 3, 2017 · 2 min · itgaiden

Backup and restore etcd data. Look up the value for the key cluster.name in the etcd cluster: ETCDCTL_API=3 etcdctl get cluster.name –endpoints=https://10.0.1.101:2379 –cacert=/home/cloud_user/etcd-certs/etcd-ca.pem –cert=/home/cloud_user/etcd-certs/etcd-server.crt –key=/home/cloud_user/etcd-certs/etcd-server.key The returned value should be beebox. Back up etcd using etcdctl and the provided etcd certificates: ETCDCTL_API=3 etcdctl snapshot save /home/cloud_user/etcd_backup.db –endpoints=https://10.0.1.101:2379 –cacert=/home/cloud_user/etcd-certs/etcd-ca.pem –cert=/home/cloud_user/etcd-certs/etcd-server.crt –key=/home/cloud_user/etcd-certs/etcd-server.key Reset etcd by removing all existing etcd data: sudo systemctl stop etcd sudo rm -rf /var/lib/etcd Restore the etcd Data from the Backup Restore the etcd data from the backup (this command spins up a temporary etcd cluster, saving the data from the backup file to a new data directory in the same location where the previous data directory was): sudo ETCDCTL_API=3 etcdctl snapshot restore /home/cloud_user/etcd_backup....

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