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    September 15, 2018

    FT8Call on Ubuntu 18.04

    This article shows how to install FT8Call on Ubuntu. But first things first. Some intro into the topic. Intro Chances are if you read this you probably know FT8 well enough. This mode became very ...Read More
    Posted in Articles Tagged 18.04, ft8call, hamradio, ubuntu 1 Comment
    Posted on August 26, 2018August 4, 2019 by LinuxER

    apt-key gpg: keyserver receive failed

    After update to Ubuntu 18.04 I hit a problem with apt-key that would not fetch keys saying gpg: keyserver receive failed: Invalid argument. Spotify updated their apt repository signing keys and […]

    Posted in Blog Tagged apt, gpg, spotify, ubuntu 1 Comment
    Posted on July 3, 2018December 27, 2018 by LinuxER

    On debugging shell scripts

    When it comes to debugging shell scripts probably single most valuable piece of advice is to use built in set -x command. It’s available in most shell interpreters and sometimes […]

    Posted in Blog Tagged bash, debugging Leave a comment
    Posted on July 1, 2018December 27, 2018 by LinuxER

    Put Linux into sleep from command line

    Linux provides sysfs interface to power management / sleep states. Available states are represented by strings that can be found in /sys/power/state file: # cat /sys/power/state freeze mem disk Available […]

    Posted in Blog Tagged hibernate, power, suspend Leave a comment
    Posted on June 27, 2018December 27, 2018 by LinuxER

    How to configure WSJT-X on Ubuntu

    WSJT-X Ubuntu configuration is pretty simple. If you are familiar with WSJT-X but you ran it on other OS then all of this is probably obvious to you. Most settings […]

    Posted in Articles Tagged hamradio, ic7300, icom, ubuntu, wsjt-x 8 Comments
    Posted on June 18, 2018December 27, 2018 by LinuxER

    Time Synchronization on Ubuntu 18.04

    Accurate time keeping is very important task. One example where it is critical is using FT8 digital mode from WSJT-X software for ham radio operators. FT8 works in 15 seconds […]

    Posted in Articles Tagged 18.04, ntp, ubuntu Leave a comment
    Posted on June 10, 2018December 27, 2018 by LinuxER
    IC7300 front

    Icom IC-7300 and Linux

    Icom IC-7300 and Linux. Do they go well together? Let’s see. The TRX is equipped USB port type B on rear panel which provides audio/baseband/12kHz DRM IF Input/Output and RIG control. […]

    Posted in Articles Tagged 18.04, hamradio, ic7300, icom, ubuntu 4 Comments
    Posted on June 9, 2018December 27, 2018 by LinuxER
    WSJT-X waterfall

    How to install WSJT-X on Ubuntu 18.04

    WSJT-X Ubuntu installation is pretty simple but not obvious. It is available via Ubuntu channels but it in some old stale version. New releases are announced and can be downloaded from […]

    Posted in Articles Tagged 18.04, hamradio, ubuntu, wsjt-x 2 Comments
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