Fix Authorized Keys Permissions
I was having issues when I added my ssh-key in some servers under my user, it wasn’t working, actually, it was failing, after a quick research I found a work-around for that, basically …
Install ElasticSearch CentOS
I started playing around with Elasticsearch and after searching a little bit I found a way to install it quickly and with minimal/default settings By executing the following steps: rpm --import …
Ubuntu Server Raspberry Pi 3 Wifi
I was trying to get the WIFI working on my Raspberry PI 3 with Ubuntu Server 18.04 LTS, after some time researching I found a way to get it right: First, we need to update everything just because. …
Change Postfix Port
I was trying to route emails from one MTA to postfix, so I needed to change the port that postfix was using, so this is what I did: First, please backup the file in case you break something cp …
Start OpenVPN at boot CentOS 6
I was not able to remember how to do this… Therefore every time I was rebooting my server OpenVPN was not starting. So, here is how I did this: mv my-cert.ovpn /etc/openvpn/my-cert.conf …
Update Wordpress URL in MySQL
A quick and old-fashioned way to update the URL from your WordPress website to a new one. UPDATE wp_posts SET post_content = REPLACE(post_content, 'domain.com', 'newdomain.com'); …
Create swap file on CentOS
I needed swap for a t2.micro ec2 machine because it was dying almost twice a week, so I created a swap file for this. Run as root or the following commands: fallocate -l 1G /swapfile chmod 600 …
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