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Written by Jakub2025-06-29

Vim in cloud, part 1

cloud . linux . shell Article

But why? Let me share my experience with using vim in the cloud, specifically on Google Cloud Platform (GCP) and GitHub’s Codespaces. There is plenty of places where you can learn vi/vim basics, all its modes which confuses beginners – I’m assuming you’ve already figured it out. For many years I’ve been using vim as

Written by Jakub2025-04-20

gdb – looking at core dump

linux . logs . shell Article

So an application gave up the ghost and you finde a “corpse”. At least you can learn a signal it caught – see Program terminated with signal 11, Segmentation fault. $ gdb core.614.1636347290GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-120.el7Copyright (C) 2013 Free Software Foundation, Inc.License GPLv3+: GNU GPL version 3 or later http://gnu.org/licenses/gpl.htmlThis is

Written by Jakub2023-07-06

Brightness keys in XFCE

GUI . linux . Linux Mint Article

This is on Dell G15 5525’s brightness keys in Linux Mint XFCE 21.1 Vera (kernel 5.x). The installation of the system was easy-peasy and most features worked out of box.The missing was proprietary Nvidia-drivers which resulted in a periodic warnings and ugly freezes. The thing easy to fix – e.g. via Software Center. Then I

Written by Jakub2023-06-22

VMware/VMPlayer: ‘Skipping BTF generation’ – error

linux . Linux Mint Article

Issue After the upgrade Mint 20.3 Una do 21.0 Vanessa VMware’s VMPlayer stopped working!Usuaully, after every update touching a kernel when I try VMPlayer I get the warnnig-window about necesary vmnet and vmmon modues update. But this time I couldn’t pass this step. user$ sudo vmplayer #run in “xterm” I found the error at the

Written by Jakub2021-12-06

seeking (linux) messages (log)

linux . logs . shell Article

So they (a vendor) wants you to look if an application failure has a system cause? You reported an issues on 01-11-2021 06:00. You are intersted on what happened around 6:00 A.M. that day. Raffly # cd /var/log # head messages #what’s the oldest Oct 31 03:06:01 apz-sagb1p rsyslogd: [origin software=”rsyslogd” swVersion=”8.24.0-57.el7_9.1″ x-pid=”1697″ x-info=”http://www.rsyslog.com”] rsyslogd

Written by Jakub2021-10-19

sed for csv debug

DB . linux . shell Article

Instead of fancy and sophisticated thoughts lets share a daily experience 😉 You’ve collected data.csv: field1,filed2,filed3 A,B,C D,E,F f,a,i,l H,I,J L,M,N and while importing to a DB (sqlite in this example) you’ve got: sqlite> .mode csvsqlite> .import data.csv datadata.csv:4: expected 3 columns but found 4 – extras ignored Now, how to find faulty records (while

Written by jakubu2020-05-26

Communication to cooperation

Uncategorized Article

I see a change coming from a private experience, transforming the professional life. We are less email-client-oriented with its calendar, notes, tasks. We incorporate chat tools enriched by cooperative enhancements.

Written by jakubu2020-01-03

Weisure?

Uncategorized Article

I was wondering, should this site be a professional advertisement or just a hobby-related? But the true is that nowadays we mix it often. A year ago I learned ‘weisure’-word on an english class and here is the definition: https://www.macmillandictionary.com/dictionary/british/weisure

Written by jakubu2019-10-27

Register Machine

Uncategorized Article

RodRego (visiting click in ‘i’ for a hint) – a simple toy, so called Register Machine, but the real educational help. I’m much impressed that it was developed by a philosopher for his students. The simplicity remainds me Core Wars of ’80. By the way, how many present coders have ever tried an assembler, machine

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