tomica.net
Ivan Tomica
Over the course of many complex projects, I have gained proficiency in designing, implementing, and maintaining robust and scalable infrastructures. My experience covers optimizing performance, ensuring high availability, and enhancing system security while working with web servers, load balancers, databases, CI/CD pipelines, containers, and serverless technologies.
August 2026
September 2026
Top Words
- fedora
- freebsd
- linux
- installing
- firefox
- opensuse
- password
- client
- emacs
- ubuntu
- migrating
All posts (172)
I’ve been in a fight with tmux on how to create new session under certain name, but if it already exists to attach to that current one for a very long time. Reason for that was that when I’m connecting to the remote servers I usually have my own session under certain name there and I’d like to attach to that...
Recently I’ve had a situation that on one of the servers with Plesk panel installed on it SSH service was not working. Unfortunately there is no way to restart the service via panel for some reason. You can restart other services, but not ssh, probably because service itself is not managed in any way by Plesk panel....
cPanel “CURRENT” release tier just got bumped to version 11.64 which brings few things and resolves few issues and oddities. This is Release Candidate channel so it may take some time to get those features to RELEASE or STABLE update tiers. Features/Fixes that got me excited in this release: Minimum free space...
Ever wanted to have tmux session inside of tmux session? Don’t know how to control the one inside of current tmux session? Easily: Ctrl+b Ctrl+b COMMAND So basically, you need to send your prefix twice. You can also use: Ctrl+b+b COMMAND
This post is intended to share list of Firefox extensions I use. Maybe you get use of some. It was inspired by this article . Anyhow, my current list goes like: Better reader Helps me adjust behavior of Reader View that is built in into firefox. I can change color scheme, padding, width and much more. It comes...
Pretty neat little command that I wasn’t aware before, but quick check of the manpage would bring it to my attention. :-) To check current disk activity stats on your zpool you can use: zpool iostat -v POOLNAME You can of course omit pool name, without it it’ll show statistics for all pools. Command output example:...
Securing R1Soft Server Backup Manager (CDP) with SSL/TLS encryption sounds like a good idea. Using Let’s Encrypt to accomplish that sounds even better! Unfortunately, there’s no way to automatically install SSL certificates to Server Backup manager as its web interface is being run by Apache Tomcat, which parses...
This is more of an reminder for myself when trying to install cPanel system on cheap, low memory system, just to test something out. On CentOS 7 cPanel requires at least 1024MB of RAM, while on CentOS 6 it requires 768MB of RAM. If you have less than that install will straight out fail. I understand that this are...
After update to newest Firefox version on Fedora 25 my gnome shell integration stopped working. When visiting extensions.gnome.org website I was greeted with following message: To control GNOME Shell extensions using this site you must install GNOME Shell integration that consists of two parts: browser extension and...
I’ve spent some time tweaking and playing around with my .tmux.conf. If you’re interested in how I did it or search for some inspiration you can find my configuration at the bottom of this post. I’ll briefly explain and showcase some of the options throughout the article. To reload config without closing and...
This one is pretty simple, and if you properly set up your network settings when installing server it should work automatically, if not go to the Basic setup window: Navigate to the IPv6 settings section and enter your server main IPv6 address. Save settings and WHM should automatically rebuild your named.conf to...
So, there’s this CloudFlare HTTPS traffic memory leak that happened and it is good idea to change passwords for all of your sites that are using cloudflare. Full list of sites using cloudflare is available on above mentioned Github page. I’m using pass, simple password manager that stores all of the credentials in...
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