Linux

Forum

Topics

Posts

Last post

CloneZilla!
Topics: 10

10 Topics

10 Posts

Last post SSD7502 clone RAID with dd
by zemerdon View the latest post
Wed Aug 13, 2025 3:36 pm
Linux - GRUB
Topics: 6

6 Topics

6 Posts

Last post GRUB FIX #3 easymode
by zemerdon View the latest post
Sat Jan 13, 2024 11:16 am
Linux - Kernel/firmware/Repos
Topics: 13

13 Topics

13 Posts

Last post Debian Bookworm Repositories
by zemerdon View the latest post
Sat Jan 17, 2026 11:59 am
Android
Topics: 1

1 Topics

1 Posts

Last post Android find what application…
by zemerdon View the latest post
Tue Jan 27, 2026 6:12 pm

New Topic

57 topics • Page 1 of 1

Announcements

Replies

Views

Last post

cisco switch helpful commands

Last post by zemerdon « Sun Oct 05, 2025 4:17 pm
Posted in Cisco

by zemerdon » Sun Oct 05, 2025 4:17 pm » in Cisco

backup config tftp
copy running-config tftp:

cisco show ip
show ip int

console connect
sudo screen /dev/ttyUSB0 9600

remove stack members...

0 Replies

9655 Views

Last post by zemerdon
Sun Oct 05, 2025 4:17 pm
helpful linux commands

Last post by zemerdon « Tue Dec 09, 2025 4:15 pm
Replies: 1
by zemerdon » Sat Jun 21, 2025 5:45 am

watch with pipe
watch -n10 'df -ah | grep p4 '

list connected usb transfer rate
lspci -t

change linux startup/shutdown text size
run: sudo...

1 Replies

20744 Views

Last post by zemerdon
Tue Dec 09, 2025 4:15 pm

Topics

Replies

Views

Last post

debian coral TPU

Last post by zemerdon « Mon Mar 16, 2026 7:29 pm

by zemerdon » Mon Mar 16, 2026 7:29 pm

DISABLE SECURE BOOT BEFORE ANYTHING

echo deb coral-edgetpu-stable main | sudo tee /etc/apt/sources.list.d/coral-edgetpu.list
curl | sudo apt-key...

0 Replies

263 Views

Last post by zemerdon
Mon Mar 16, 2026 7:29 pm
weston amber

Last post by zemerdon « Tue Feb 24, 2026 3:37 pm

by zemerdon » Tue Feb 24, 2026 3:37 pm

install weston
sudo apt install weston -y
install waydroid
sudo apt install curl ca-certificates -y
curl -s | sudo bash
sudo apt install waydroid...

0 Replies

429 Views

Last post by zemerdon
Tue Feb 24, 2026 3:37 pm
google-chrome-stable seg fault

Last post by zemerdon « Thu Feb 19, 2026 5:11 pm

by zemerdon » Thu Feb 19, 2026 5:11 pm

zemerdon@laptop:~/.config$ google-chrome-stable
Check failed: . : Permission denied (13)
Trace/breakpoint trap (core dumped)

audit: type=1400...

0 Replies

490 Views

Last post by zemerdon
Thu Feb 19, 2026 5:11 pm
KDE new applications not showing in start menu

Last post by zemerdon « Thu Feb 05, 2026 11:25 am

by zemerdon » Thu Feb 05, 2026 11:25 am

kbuildsycoca5 --noincremental

0 Replies

437 Views

Last post by zemerdon
Thu Feb 05, 2026 11:25 am
find all ips from ASN and output to text file

Last post by zemerdon « Sun Jan 25, 2026 10:55 am

by zemerdon » Sun Jan 25, 2026 10:55 am

facebook - AS32934

whois -h whois.radb.net -- '-i origin AS32934' | grep 'route:' | awk '{print substr($0, 17)}' > ip_list.txt

0 Replies

443 Views

Last post by zemerdon
Sun Jan 25, 2026 10:55 am
ping multiple hosts at once or entire subnet

Last post by zemerdon « Thu Oct 23, 2025 4:34 pm

by zemerdon » Thu Oct 23, 2025 4:34 pm

apt install oping
apt install fping

nmap -sn 192.168.1.0/24

fping -g 192.168.1.0/24

0 Replies

515 Views

Last post by zemerdon
Thu Oct 23, 2025 4:34 pm
x11 waydroid via x11vnc + noVNC (for webpage axx)

Last post by zemerdon « Mon Aug 04, 2025 11:49 pm

by zemerdon » Mon Aug 04, 2025 11:49 pm

i run the noVNC proxy from my server host (192.168.1.10).
the weston-waydroid is run from a ubuntu server + kde (x11) VM with an A380 GPU passed...

0 Replies

2672 Views

Last post by zemerdon
Mon Aug 04, 2025 11:49 pm
reset mysql root password

Last post by zemerdon « Wed Jul 30, 2025 4:19 pm

by zemerdon » Wed Jul 30, 2025 4:19 pm

stop mysqld

systemctl stop mysqld

edit mysqld conf

sudo nano /etc/mysql/my.cnf

append to the conf

# For debugging and recovery only #...

0 Replies

2502 Views

Last post by zemerdon
Wed Jul 30, 2025 4:19 pm
ubuntu server locate/updatedb config

Last post by zemerdon « Thu Jul 24, 2025 2:28 pm

by zemerdon » Thu Jul 24, 2025 2:28 pm

edit /usr/bin/updatedb.findutils directly for prunefs + prunepaths.

0 Replies

943 Views

Last post by zemerdon
Thu Jul 24, 2025 2:28 pm
QEMU/KVM Intel ARCA380 GPU passthrough to Linux VM working

Last post by zemerdon « Thu Jul 24, 2025 1:34 pm

by zemerdon » Thu Jul 24, 2025 1:34 pm

host: Debian 12
kernel: 6.12.33+deb12-amd64
QEMU emulator version 10.0.0 (Debian 1:10.0.0+ds-2~bpo12+2)

VM: ubuntu server 24.10
kernel:...

0 Replies

2037 Views

Last post by zemerdon
Thu Jul 24, 2025 1:34 pm
fstab stopped mounting

Last post by zemerdon « Mon Jul 21, 2025 6:02 pm

by zemerdon » Mon Jul 21, 2025 6:02 pm

fstab trying to mount before interface up.

enable the following service.

systemctl enable systemd-networkd-wait-online

fstab now mounts when...

0 Replies

983 Views

Last post by zemerdon
Mon Jul 21, 2025 6:02 pm
nvidia-settings not saving

Last post by zemerdon « Sat Jul 05, 2025 4:38 pm
Replies: 1
by zemerdon » Sun Jan 29, 2023 8:43 pm

sudo chmod u+x /usr/share/screen-resolution-extra/nvidia-polkit

sudo nvidia-xconfig

1 Replies

21728 Views

Last post by zemerdon
Sat Jul 05, 2025 4:38 pm
fix rsyslog permissions

Last post by zemerdon « Wed Jun 25, 2025 6:08 pm

by zemerdon » Wed Jun 25, 2025 6:08 pm

ERROR
Jun 25 07:56:59 syslog rsyslogd : error during config processing: omfile: creating parent directories for file...

0 Replies

1270 Views

Last post by zemerdon
Wed Jun 25, 2025 6:08 pm
minecraft install spigot + geyser + floodgate ubuntu server

Last post by zemerdon « Tue Jan 21, 2025 5:24 pm

by zemerdon » Tue Jan 21, 2025 5:24 pm

JAVA CHECK AND INSTALL

zemerdon@minecraft:~/spigot_mc/plugins$ java --version
openjdk 21.0.5 2024-10-15
OpenJDK Runtime Environment (build...

0 Replies

127316 Views

Last post by zemerdon
Tue Jan 21, 2025 5:24 pm
minecraft forge install linux

Last post by zemerdon « Tue Jan 21, 2025 12:41 pm

by zemerdon » Tue Jan 21, 2025 12:41 pm

java -jar .jar --installServer

java -jar forge-1.21.4-54.0.17-installer.jar --installServer

0 Replies

69920 Views

Last post by zemerdon
Tue Jan 21, 2025 12:41 pm
find what process using what ip

Last post by zemerdon « Sat Jul 20, 2024 11:22 am

by zemerdon » Sat Jul 20, 2024 11:22 am

You can run lsof -n|grep TCP to know which programs are connecting to which IPs.

watch lsof -n|grep -e TCP -e UDP |grep -v -e apache2 -e mariadb |...

0 Replies

24634 Views

Last post by zemerdon
Sat Jul 20, 2024 11:22 am
allow sudo commands without sudo

Last post by zemerdon « Sat Apr 06, 2024 10:57 pm

by zemerdon » Sat Apr 06, 2024 10:57 pm

edit /etc/sudoers file

zemerdon ALL=NOPASSWD: /usr/sbin/hddtemp, /usr/sbin/nvme

0 Replies

22308 Views

Last post by zemerdon
Sat Apr 06, 2024 10:57 pm
terminal output plasma widget

Last post by zemerdon « Sat Apr 06, 2024 10:31 pm

by zemerdon » Sat Apr 06, 2024 10:31 pm

0 Replies

22324 Views

Last post by zemerdon
Sat Apr 06, 2024 10:31 pm
apt accept release change

Last post by zemerdon « Fri Mar 22, 2024 10:24 pm

by zemerdon » Fri Mar 22, 2024 10:24 pm

E: Repository ' stable InRelease' changed its 'Codename' value from 'unifi-8.0' to 'unifi-8.1'

sudo apt-get update --allow-releaseinfo-change

0 Replies

21860 Views

Last post by zemerdon
Fri Mar 22, 2024 10:24 pm
change file metadata

Last post by zemerdon « Thu Mar 07, 2024 10:04 pm

by zemerdon » Thu Mar 07, 2024 10:04 pm

exiftool -GPSLongitude= $longitude -GPSLatitude= $latitude *.png

Your basic command would be (no plus signs, those aren't used with Coordinates)...

0 Replies

22846 Views

Last post by zemerdon
Thu Mar 07, 2024 10:04 pm
PMM2 remove node

Last post by zemerdon « Sun Mar 03, 2024 6:46 pm

by zemerdon » Sun Mar 03, 2024 6:46 pm

from any node console:

zemerdon@NAS:~$ pmm-admin inventory list nodes
Nodes list.

Node type Node name Address Node ID
GENERIC_NODE NAS...

0 Replies

22609 Views

Last post by zemerdon
Sun Mar 03, 2024 6:46 pm
Percona PMM2 change admin password

Last post by zemerdon « Wed Feb 07, 2024 5:04 pm

by zemerdon » Wed Feb 07, 2024 5:04 pm

sudo docker exec pmm-server change-admin-password new_password_here;

0 Replies

23735 Views

Last post by zemerdon
Wed Feb 07, 2024 5:04 pm
convert mkv to mp4

Last post by zemerdon « Mon Feb 05, 2024 1:46 pm

by zemerdon » Mon Feb 05, 2024 1:46 pm

Converting mkv to mp4 with ffmpeg
Essentially just copy the existing video and audio stream as is into a new container, no funny business!
The...

0 Replies

24300 Views

Last post by zemerdon
Mon Feb 05, 2024 1:46 pm
CIFS: VFS: cifs_mount failed w/return code = -112

Last post by zemerdon « Sat Feb 03, 2024 5:22 pm

by zemerdon » Sat Feb 03, 2024 5:22 pm

This is due to the service systemd-networkd-wait-online being disabled.

Enable the service like so:

sudo systemctl enable...

0 Replies

24548 Views

Last post by zemerdon
Sat Feb 03, 2024 5:22 pm
resize qcow

Last post by zemerdon « Sat Feb 03, 2024 12:33 pm

by zemerdon » Sat Feb 03, 2024 12:33 pm

Expanding a disk virtual size using qemu-img
Above we saw how to reclaim unused space from a qcow2 disk image using the virt-sparsify command. In...

0 Replies

24220 Views

Last post by zemerdon
Sat Feb 03, 2024 12:33 pm
rsyslog custom logging

Last post by zemerdon « Sun Jan 14, 2024 4:06 pm

by zemerdon » Sun Jan 14, 2024 4:06 pm

The solution is to use custom rsyslog templates. First you create the log message template. The following template resembles the default syslog...

0 Replies

20611 Views

Last post by zemerdon
Sun Jan 14, 2024 4:06 pm
setup rsyslog server

Last post by zemerdon « Fri Jan 05, 2024 11:42 am

by zemerdon » Fri Jan 05, 2024 11:42 am

0 Replies

19589 Views

Last post by zemerdon
Fri Jan 05, 2024 11:42 am
obtain DSDT and decode for development

Last post by zemerdon « Fri Jan 05, 2024 9:09 am

by zemerdon » Fri Jan 05, 2024 9:09 am

dump the DST with SSDTTime

git clone
cd SSDTTime ; ./SSDTTime.command

** P. Dump DSDT - Automatically dump the system DSDT **

decode the...

0 Replies

20087 Views

Last post by zemerdon
Fri Jan 05, 2024 9:09 am
KDE widget backgrounds

Last post by zemerdon « Mon Jan 01, 2024 10:35 am

by zemerdon » Mon Jan 01, 2024 10:35 am

apt install plasma-sdk
plasmathemeexplorer

0 Replies

20085 Views

Last post by zemerdon
Mon Jan 01, 2024 10:35 am
lockscreen not accepting correct password

Last post by zemerdon « Sun Dec 31, 2023 11:45 pm

by zemerdon » Sun Dec 31, 2023 11:45 pm

/usr/lib/x86_64-linux-gnu/libexec/kcheckpass

chmod u+s /usr/lib/kcheckpass - Granting SUID to kcheckpass also works.

0 Replies

20220 Views

Last post by zemerdon
Sun Dec 31, 2023 11:45 pm
root filemanager split view

Last post by zemerdon « Fri Dec 29, 2023 2:21 pm

by zemerdon » Fri Dec 29, 2023 2:21 pm

nemo

0 Replies

20568 Views

Last post by zemerdon
Fri Dec 29, 2023 2:21 pm
compare two directories CLI

Last post by zemerdon « Fri Dec 29, 2023 2:00 pm

by zemerdon » Fri Dec 29, 2023 2:00 pm

root@server:/media/network# diff /media/12tb_media/MOVIES/MOVIES\ A-M/ /media/network/192.168.1.10/plex/MOVIES/MOVIES\ A-M/ | grep -v Common

Only...

0 Replies

19514 Views

Last post by zemerdon
Fri Dec 29, 2023 2:00 pm
HDD break-in/testing

Last post by zemerdon « Wed Dec 20, 2023 8:32 am

by zemerdon » Wed Dec 20, 2023 8:32 am

I'm about to get a couple brand new HGST DeskStar 4TB 3.5 SATA hard drives. Are there any recommended practices these days I should perform before I...

0 Replies

20512 Views

Last post by zemerdon
Wed Dec 20, 2023 8:32 am
IP geo tracing

Last post by zemerdon « Sun Oct 15, 2023 8:17 am

by zemerdon » Sun Oct 15, 2023 8:17 am

IP-tracer

git clone

geoiplookup

apt install geoip-bin

0 Replies

19792 Views

Last post by zemerdon
Sun Oct 15, 2023 8:17 am
search text and show source file(s)

Last post by zemerdon « Fri Sep 22, 2023 2:18 pm

by zemerdon » Fri Sep 22, 2023 2:18 pm

/usr/local/share/suricata/rules: grep -nr 2270000 *
dnp3-events.rules:3:# This SIDs fall in the 2270000+ range. See:
dnp3-events.rules:8:...

0 Replies

20548 Views

Last post by zemerdon
Fri Sep 22, 2023 2:18 pm
CIFS throwing socket errors [SOLVED]

Last post by zemerdon « Sun Sep 17, 2023 10:51 am

by zemerdon » Sun Sep 17, 2023 10:51 am

check the following...

sudo systemctl enable systemd-networkd-wait-online

add the following to mount line:

_netdev,vers=3.0

use mount.cifs...

0 Replies

20090 Views

Last post by zemerdon
Sun Sep 17, 2023 10:51 am
MySQL create superuser

Last post by zemerdon « Fri Sep 15, 2023 3:06 pm

by zemerdon » Fri Sep 15, 2023 3:06 pm

Create root user in Mysql
How to create a superuser in MySQL?

CREATE USER 'username'@'localhost' IDENTIFIED BY 'the_password';
GRANT ALL...

0 Replies

20161 Views

Last post by zemerdon
Fri Sep 15, 2023 3:06 pm
HyperSpec-7-0.tar.gz

Last post by zemerdon « Wed Sep 13, 2023 3:14 pm

by zemerdon » Wed Sep 13, 2023 3:14 pm

the glorious HyperSpec-7-0.tar.gz
put in /root/tmp and dpkg --reconfigure -a

0 Replies

22585 Views

Last post by zemerdon
Wed Sep 13, 2023 3:14 pm
create live ISO of running system

Last post by zemerdon « Thu Aug 31, 2023 9:18 pm

by zemerdon » Thu Aug 31, 2023 9:18 pm

Systemback

0 Replies

22335 Views

Last post by zemerdon
Thu Aug 31, 2023 9:18 pm
IOMMU group handling

Last post by zemerdon « Sat Aug 26, 2023 4:19 pm

by zemerdon » Sat Aug 26, 2023 4:19 pm

find all groups

for d in $(find /sys/kernel/iommu_groups/ -type l | sort -n -k5 -t/); do n=${d#*/iommu_groups/*}; n=${n%%/*}; printf 'IOMMU Group %s...

0 Replies

21629 Views

Last post by zemerdon
Sat Aug 26, 2023 4:19 pm
delay QEMU/KVM VM

Last post by zemerdon « Sun Jul 23, 2023 10:18 am

by zemerdon » Sun Jul 23, 2023 10:18 am

Delayed start for Guests KVM/libvirt

root@NAS:/home/zemerdon# locate libvirt-guests
/etc/default/libvirt-guests...

0 Replies

22072 Views

Last post by zemerdon
Sun Jul 23, 2023 10:18 am
copy but don't overwrite

Last post by zemerdon « Wed May 31, 2023 1:50 pm

by zemerdon » Wed May 31, 2023 1:50 pm

This is also achievable using cp. See here:

sudo cp -vnpr /xxx/* /yyy

xxx = source

yyy = destination

v = verbose

n = no clobber (no overwrite)...

0 Replies

21461 Views

Last post by zemerdon
Wed May 31, 2023 1:50 pm
how linux permissions work

Last post by zemerdon « Sat May 27, 2023 10:38 am

by zemerdon » Sat May 27, 2023 10:38 am

74

fmask and dmask are mount options for the FAT filesystem, based on fstab.

They are used to define permissions (umask sets them to both files...

0 Replies

22067 Views

Last post by zemerdon
Sat May 27, 2023 10:38 am
yt-dlp formats

Last post by zemerdon « Wed May 24, 2023 9:23 pm

by zemerdon » Wed May 24, 2023 9:23 pm

best format without webm

root@NAS:/home/yt-dlp/yt-dlp-master# ./yt-dlp.sh -S res,ext:mp4:m4a --recode mp4

sorting formats

format codes

0 Replies

24277 Views

Last post by zemerdon
Wed May 24, 2023 9:23 pm
find computer bus speeds

Last post by zemerdon « Wed May 24, 2023 7:05 pm

by zemerdon » Wed May 24, 2023 7:05 pm

run command lspci -nv and search within it

we could run command dmidecode and search within it for our bus address, in this case 04:00.0

0 Replies

22591 Views

Last post by zemerdon
Wed May 24, 2023 7:05 pm
find what process is using what port

Last post by zemerdon « Tue Apr 18, 2023 7:45 pm

by zemerdon » Tue Apr 18, 2023 7:45 pm

root@VPN:/home/zemerdon# fuser 514/tcp
514/tcp: 5306

root@VPN:/home/zemerdon# lsof -i :514
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME...

0 Replies

22437 Views

Last post by zemerdon
Tue Apr 18, 2023 7:45 pm
set IP CLI

Last post by zemerdon « Sat Apr 08, 2023 3:57 pm

by zemerdon » Sat Apr 08, 2023 3:57 pm

As a network administrator, you are probably managing various Linux machines over different subnets of your company infrastructure.

As network...

0 Replies

22498 Views

Last post by zemerdon
Sat Apr 08, 2023 3:57 pm
setup x11vnc

Last post by zemerdon « Fri Apr 07, 2023 8:48 pm

by zemerdon » Fri Apr 07, 2023 8:48 pm

x11vnc.sh

#!/bin/bash
x11vnc -reopen -forever -loop -rfbauth /home/zemerdon/.vnc/passwd

create x11vnc rfbauth file 'x11vnc -storepasswd'

0 Replies

22051 Views

Last post by zemerdon
Fri Apr 07, 2023 8:48 pm
setup SAMBA

Last post by zemerdon « Tue Apr 04, 2023 4:36 pm

by zemerdon » Tue Apr 04, 2023 4:36 pm

add user locally FIRST
adduser username

add user to samba
smbpasswd -a username

/etc/samba/smb.conf
interfaces = 192.168.1.199/24 wlp4s0...

0 Replies

21142 Views

Last post by zemerdon
Tue Apr 04, 2023 4:36 pm
FIX KDE laptop display only on external monitor/tv

Last post by zemerdon « Mon Apr 03, 2023 1:16 am

by zemerdon » Mon Apr 03, 2023 1:16 am

Laptop only displaying on external device. LCD is blank for KDE but changing to terminal (ctrl+alt F2) works.

/etc/X11xorg.conf was creating via...

0 Replies

22603 Views

Last post by zemerdon
Mon Apr 03, 2023 1:16 am
wifi signal diagnose

Last post by zemerdon « Mon Apr 03, 2023 1:14 am

by zemerdon » Mon Apr 03, 2023 1:14 am

AIROCRACK-NG

diagnose wifi signals for network topology planning.

airmon-ng check kill
airmon-ng start wlo1

airodump-ng --band abg wlo1mon

0 Replies

21970 Views

Last post by zemerdon
Mon Apr 03, 2023 1:14 am
show processes using bandwidth

Last post by zemerdon « Sun Mar 19, 2023 10:03 pm

by zemerdon » Sun Mar 19, 2023 10:03 pm

nethhogs
tcptrack -i
bwm-ng

0 Replies

22102 Views

Last post by zemerdon
Sun Mar 19, 2023 10:03 pm
resize QEMU/KVM qcow2 file

Last post by zemerdon « Sun Mar 12, 2023 2:07 pm

by zemerdon » Sun Mar 12, 2023 2:07 pm

Resizing KVM qcow2 images
While expanding qcow2 images is easy, finding an easy way to shrink them was not.

Recently, my Matrix VM ran out of disk...

0 Replies

22054 Views

Last post by zemerdon
Sun Mar 12, 2023 2:07 pm
phpMyadmin root login [SOLVED]

Last post by zemerdon « Sun Feb 26, 2023 8:36 am

by zemerdon » Sun Feb 26, 2023 8:36 am

I encountered a similar problem in Ubuntu 14.04 using MariaDB. Instead of trying to change everything I just created a new user.

mysql -u root -p...

0 Replies

22278 Views

Last post by zemerdon
Sun Feb 26, 2023 8:36 am
OpenVPN CLi config

Last post by zemerdon « Mon Feb 06, 2023 8:15 am

by zemerdon » Mon Feb 06, 2023 8:15 am

incase interfaces go south use cli to change conf.

root@NAS:/home/zemerdon# sacli ConfigQuery

sacli --key admin_ui.https.ip_address --value ens4f0...

0 Replies

23842 Views

Last post by zemerdon
Mon Feb 06, 2023 8:15 am
custom SSH login

Last post by zemerdon « Mon Jan 23, 2023 8:23 pm

by zemerdon » Mon Jan 23, 2023 8:23 pm

zemerdon@nvr:~$ cat /etc/update-motd.d/01-custom

#!/bin/sh
echo GENERAL SYSTEM INFORMATION
#/usr/bin/screenfetch
/usr/bin/neofetch
echo
echo...

0 Replies

23059 Views

Last post by zemerdon
Mon Jan 23, 2023 8:23 pm
directory update/progress while copying

Last post by zemerdon « Mon Jan 23, 2023 8:22 pm

by zemerdon » Mon Jan 23, 2023 8:22 pm

watch -n 5 du -h -d 1 /directory_i_want_to_view

with pipe...

watch -n10 'df -ah | grep p4 '

0 Replies

23193 Views

Last post by zemerdon
Mon Jan 23, 2023 8:22 pm

New Topic

57 topics • Page 1 of 1

Return to Board Index

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum