[root@rhce-ryanrudolf]# rm -rf / 2> /dev/null

things I break/fix for fun and learning

Mar 8, 2018 - 1 minute read - Comments

RHCSA Completed, whats next?

Woohoo I passed the RHCSA! Aiming for RHCE and studying using Sander van Vugt training materials. Like this page? Share it!

Mar 7, 2018 - 2 minute read - Comments

My Battlestation

Slowly I am building a computer system and finally I have completed it! I have started with a Lenovo Thinpad T420s and maxxed out the upgrades - 16GB RAM for vmware workstation virtualization, SSD for primary OS (Linux) and storage for virtual machines, another SSD for 2nd OS (Windows), and traditional HDD for backup storage. The most noticeable upgrade is the SSD. Even if the RAM is maxxed out but if using traditional HDD, the system is still slow.

Mar 5, 2018 - 1 minute read - Comments

Renewing Expired HTTPS Certificates using certbot

I tried to access my personal site and I was greeted by this nasty warning message -

This server could not prove that it is ryanrudolf.duckdns.org; its security certificate expired yesterday. This may be caused by a misconfiguration or an attacker intercepting your connection. Your computer’s clock is currently set to Monday, March 5, 2018. Does that look right? If not, you should correct your system’s clock and then refresh the page.

Feb 20, 2018 - 2 minute read - Comments

New NIC to the Rescue

Earlier today, I wasn’t able to access my homeserver externally. I thought maybe the LAN cable just got disconnected, or worse the power cord of the server got disconnected. When I got home, I immediately tested if I am able to access the homeserver from my internal LAN.

Feb 12, 2018 - 3 minute read - Comments - linux

Study Study Study

I recently got a message asking how I prepare for certifications / exams. I just keep on studying, reading and lots and lots of practice! The hardware that you use also helps.

Jan 29, 2018 - 2 minute read - Comments

Debian to Fedora

It’s been a productive weekend. I’ve decided to reformat my study laptop from Debian to Fedora. Since I am preparing for RHCSA, it’s better to get used to the RPM ecosystem. I also need to practice on KVM hence I reformatted to Fedora. And Fedora is the upstream of RHEL, what I learn in RHEL / Fedora can be used in one another with some minor adjustments.

Jan 10, 2018 - 2 minute read - Comments

Accessing RHEL7 Labservers remotely

Lately I’ve been pushing myself to work extra hard in preparation for the RHCSA exam. I’ve paid the exam fees and just wating for the official statement from my credit card to had it reimbursed. One of the perks in the company is continuous learning - they have a great certification program and I am taking advantage of it. All the certs I have acquired so far are all paid for by the company. I didn’t spend any cent, and to my last count I had acquired several certs and the cost is at least $1,200cad!