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virsh list returns nothing

Software Effect Enterprises, Inc Posted on January 24, 2024 by SEEIJanuary 24, 2024

I did a “dnf update” on a Fedora 38 and after rebooting executing “virsh list –all” I got: Id Name State ————————- I tried running virt-manager and it had problems connecting – it would list my virtual machines, then disconnect … Continue reading →

Posted in Fedora, Fedora 38, Libvirt | Tagged list, lxc, qemu, virsh

How to increase the size of tty font

Software Effect Enterprises, Inc Posted on December 18, 2023 by SEEIDecember 18, 2023

You are running a linux system in text mode. You are using either Physical monitor and keybord Remote access console (example: Dell iDRAC) A Virtualized Console on qemu In any of the above applications – due to the monitor size … Continue reading →

Posted in Fedora, Rocky Linux | Tagged console, font, size, tty

Throttle processor speed in Linux

Software Effect Enterprises, Inc Posted on August 28, 2023 by SEEIAugust 28, 2023

I have a system that runs in a environment that tends to be on the warm side. If the processor starts running at 3Ghz or higher, the processor starts some serious overheating. Applications I have running on this system do … Continue reading →

Posted in Fedora, Linux | Tagged cpu, fedora, frequency, linux, speed

imjournal: filecreatemode is not set

Software Effect Enterprises, Inc Posted on August 7, 2023 by SEEIAugust 7, 2023

You find the following line in your messages file  imjournal: filecreatemode is not set, using default 0644 This is not a critical error. To eliminate this message edit /etc/rsyslog.conf and find the line module(load=”imjournal” fileCreateMode=”644″ StateFile=”imjournal.state”) note it might be … Continue reading →

Posted in Fedora, Linux | Tagged filecreatemode, imjournal

Change Fedora Login Screen Wallpaper

Software Effect Enterprises, Inc Posted on May 19, 2023 by SEEINovember 11, 2023

 Fedora 39 From a bash prompt: su – cp DesiredImage.png /usr/share/backgrounds/f39/default/f39-01-day.png cp DesiredImage.png /usr/share/backgrounds/f39/default/f39-01-night.png Fedora 38 From a bash prompt: su – cp DesiredImage.png /usr/share/backgrounds/f38/f38-01-day.png cp DesiredImage.png /usr/share/backgrounds/f38/f38-01-night.png That is it!  

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Posted in Fedora | Tagged fedora, login, wallpaper

Fail2Ban Entries Not Listed in Logwatch

Software Effect Enterprises, Inc Posted on January 17, 2023 by SEEISeptember 10, 2024

Systems affected: Fedora 37 – 40 Update It appears at times updates will reset the changes made below. So – I created a new solution Create a file named /etc/cron.daily/00LogwatchDetail and insert the following #!/bin/bash sed -i “s/my\s*\$Detail\s*=\s*\$ENV{‘LOGWATCH_DETAIL_LEVEL’}\s*||\s*0/my \$Detail = … Continue reading →

Posted in fail2ban, Fedora, Fedora37

logwatch  Received disconnect from some.ip.add.ress port someport:11: : 1 Time

Software Effect Enterprises, Inc Posted on January 2, 2023 by SEEIJanuary 2, 2023

I have a fedora machine set up to backup configs and information from other servers via scp. In the daily log watch report I am getting tons of Received disconnect from some.ip.add.ress port someport:11: : 1 Time For some reason … Continue reading →

Posted in Centos, Fedora, Linux | Tagged disconnect, logwatch, received

Signal Desktop Open Build Service (OBS) from OpenSuse For Fedora

Software Effect Enterprises, Inc Posted on November 25, 2022 by SEEIJune 5, 2025

Updated 2025/06/05 For Fedora 41 dnf config-manager addrepo –from-repofile=https://download.opensuse.org/repositories/network:im:signal/Fedora_41/network:im:signal.repo dnf install signal-desktop   For Fedora Rawhide run the following as root: dnf config-manager –add-repo https://download.opensuse.org/repositories/network:im:signal/Fedora_Rawhide/network:im:signal.repo dnf install signal-desktop For Fedora 40 run the following as root: dnf config-manager –add-repo https://download.opensuse.org/repositories/network:im:signal/Fedora_40/network:im:signal.repo dnf install … Continue reading →

Posted in Fedora, Signal Messenger | Tagged desktop, obs, signal

Enable Timestamp in Bash History

Software Effect Enterprises, Inc Posted on November 23, 2022 by SEEINovember 23, 2022

Instead of: [fu@bar ~]$ history … 990 nmap 10.9.6.0/24 991 history 992 less ~/.bash_history 993 ls -ltra 994 less ~/.lesshst 995 cd .config/ 996 ls -ltra 997 exit 998 ssh webserver 999 exit 1000 history Do this: [fu@bar ~]$ export … Continue reading →

Posted in Fedora, Linux | Tagged bash, history, timestamp

Video will only play when sound is muted

Software Effect Enterprises, Inc Posted on September 27, 2022 by SEEISeptember 27, 2022

Not sure exactly when this problem started, but I recently noticed on my Fedora 36 machine, that videos would not play unless the sound was muted. I also started seing the message “snd_hda_codec_realtek hdaudioC0D0: Unable to sync register” in the … Continue reading →

Posted in Fedora 36 | Tagged hangs, sound, video

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