[Photo by @felipepelaquim](https://www.pexels.com/photo/electronic-book-subscription-in-an-electronic-gadget-8531176/)

Remove password from PDF documents

Learn how to remove passwords from PDF documents using the qpdf tool on Linux, making it easier to read protected files on devices like the Pocketbook Touch HD.

2024-05-27 · 1 min · timor

Installing Oracle Instant Client on Ubuntu 24.04

Learn how to install Oracle Instant Client on Ubuntu 24.04 using both recommended and alternative methods, with a focus on Docker images.

2024-04-17 · 4 min · timor
[Photo by Harrison Haines](https://www.pexels.com/photo/rusty-ships-on-rippling-water-6292339/)

How old are Official Docker images? 2024 Edition

Discover the current age and update status of various official Docker images, including CentOS, Ubuntu, and Debian, in the 2024 edition of this analysis.

2024-03-24 · 2 min · timor

Ubuntu - Key is stored in legacy trusted.gpg keyring...

Learn how to resolve the “Key is stored in legacy trusted.gpg keyring” warning on Ubuntu 22.04 by properly managing GPG keys for repositories.

2022-10-21 · 3 min · timor
[Photo by Markus Winkler from Pexels](https://www.pexels.com/photo/wood-dirty-rope-door-3828944/)

Creating fully encrypted ZFS pool

Learn how to create a fully encrypted ZFS pool on Linux, including steps for generating encryption keys and configuring ZFS for secure data storage.

2021-11-22 · 5 min · timor

Tweaking ASUS Zenbook UX305CA on Linux

Lately I was searching for mobile notebook that I could use for remote work. I checked f ThinkPad series but they were huge bricks that have nothing in common with ‘mobile’ word. Then I saw ASUS Zenbook that I didn’t take into account before and it was exactly what I was searching for. Configuration of Skylake based notebook right now is not straightforward - there are still glitches and small bugs that are waiting to be fixed. I want to sum up what I’ve done after installation. I started with fresh Ubuntu 16.04 to get Debian based distro with possibly latest kernel and patches. ...

2016-04-21 · 11 min · timor

Manual installation of Docker on Debian/Ubuntu

I’ve played with Docker a little in it early days but didn’t stick for longer with it. It’s stable now so I wanted to check how it’s running now. I really can’t accept this method of installation: curl -fsSL https://get.docker.com/ | sh I think that world is going to it’s end when I see such scritps… I prefer to do this manually, knowing exactly what I have to do. Install prerequisites: ...

2016-02-11 · 2 min · timor

Intel Dual Band Wireless-AC 7260 for Desktop on Linux

I just bought new wifi card for my desktop computer. Like in topic, it’s Intel Dual Band Wireless-AC 7260 for Desktop  external link . I was searching for card that: support AC standard have 5GHz network support (2,4GHz channels are cluttered heavily in my neighborhood have PCI/PCIx or USB3 connector is Linux friendly (no modules compilation by hand, support for aircrack-ng, kismet) This one is the only I found that comply my expectations. ...

2016-02-06 · 3 min · timor

Grafana - installation and configuraton with InfluxDB and CollectD on Debian/Ubuntu

Now when you have CollectD and InfluxDB installed you may configure Grafana 😃 First configure repo with current Grafana version (select your distro): curl https://packagecloud.io/gpg.key | sudo apt-key add - deb https://packagecloud.io/grafana/testing/debian/ wheezy main Now install package (on wheezy I needed to install apt-transport-https to allow installation of packages from repo via HTTPS): apt-get update apt-get install -y apt-transport-https apt-get install -y grafana By default Grafana will use sqlite database to keep information about users, etc: ...

2016-01-10 · 2 min · timor

InfluxDB - installation and configuration on Debian/Ubuntu

I wanted/needed some statistics on few my machines. I saw earlier grafana and was impressed so this was starting point. Then I started reading about graphite, carbon and whisper, and then… I found InfluxDB. Project is young but looks promising. Let’s start! On project page there is no info about repo but it’s available, configure it: curl -sL https://repos.influxdata.com/influxdb.key | apt-key add - echo "deb https://repos.influxdata.com/debian wheezy stable" > /etc/apt.sources.list.d/influxdb.conf for Ubuntu use url like (of course selecting your version): ...

2016-01-09 · 1 min · timor