To see any VERY useful Kernel Boot Messages on Screen do: nano /media/boot/boot.ini then search line 9: setenv condev "console=ttyS0,115200n8" change to: setenv condev "console=ttyS0,115200n8 console=tty1" now enable Multi-User Console this disable graphic Lightdm Login Manager systemctl set-default multi-user.target Now you can debug all again.. be happy
Kategorie: Howto
Bug Nautilus slow SMB Performance gvfs-smb
If you use Samba as File Share (NAS) Samba mounts often hang by listing huge amount files like Photos. Known Problem is the gfvs-backend is hanging up on switching between smb protocol (smb1-2-3) versions! Faster is to use the cifs Kernel mount without the gnome-backend communication open Terminal enter: id myusername mkdir /home/myusername/nas/ with known […]
Redis Monitoring command line
Open a Console to checkout the IO of the REDIS Socket on Ubuntu Linux do: redis-cli -s /var/run/redis/redis-server.sock at the Prompt enter „MONITOR“ ! redis /var/run/redis/redis-server.sock > MONITOR Lines run should be seen.. like 1643798561.129268 [0 unix:/var/run/redis/redis-server.sock] "EXPIRE" "98f4dfa05f67a630e9a828ad8a7c30d9/lockfiles/5cd93670745f7ff4ef4b456cc9c8b126" "3600" 1643798561.130843 [0 unix:/var/run/redis/redis-server.sock] "INCRBY" "98f4dfa05f67a630e9a828ad8a7c30d9/lockfiles/262023e9d503ea4158010bfebc4124bd" "1" 1643798561.131158 [0 unix:/var/run/redis/redis-server.sock] "EXPIRE" "98f4dfa05f67a630e9a828ad8a7c30d9/lockfiles/262023e9d503ea4158010bfebc4124bd" "3600" 1643798561.132725 [0 unix:/var/run/redis/redis-server.sock] […]
WordPress Cleanup Speedup Source Code
Remove all Emoji Code at the Header which is always pulled! (Homecall) go to your themes folder and add last area at functions.php: remove_action('wp_head', 'print_emoji_detection_script', 7); remove_action('wp_print_styles', 'print_emoji_styles'); remove_action( 'admin_print_scripts', 'print_emoji_detection_script' ); remove_action( 'admin_print_styles', 'print_emoji_styles' );
Android OS vs Linux Widevine Support on ARM64
If you use a odroid device like my odroid n2 you should know that the OFTEN needed DRM Browser Plugin „Widevine“ in NOT available by default for ARM64. Google free Browser Chromium does not support Widevine without hacking (extracting from a Chromebook OS Recovery ARMHf/32bit Image.) I was not able to get it to run […]
Ubuntu Bug NetworkManager openvpn plugin fails
If you setup Ubuntu 18.04 with openvpn you must install all Network Manager Plugins to run a stable VPN do: sudo apt-get install network-manager-openvpn network-manager-openvpn-gnome network-manager-pptp network-manager-pptp-gnome network-manager network-manager-gnome This fixes dependencies of Plugins to openvpn like pptp and more! The Syslog does not show any informations whats happening! only like this: vpn-connection[ID-XXXX-XXXX-XXXX-XXXX,“vpn“,34:(tun0)]: VPN plugin: […]
Bug: AVM Router Repeater Mesh Stream Problems
Since latest Updates of AVM Router Firmware the Devices are sold with MESH Option but this FAILS! Background: Mesh should handle the best Connect between Router + Repeater and used Devices Mesh Service produces own Communication Traffic which is added to your default WIFI TRAFFIC! The Repeaters do NOT offer 3 or 4 seperated WIFI […]
WordPress Anonymous Comments DSGVO
To set this for Privacy DSGVO protection do: enable Comments at WordPress Settings discussion! go to your Theme folder search functions.php insert: function wpb_alter_comment_form_fields($fields) { unset($fields['author']); unset($fields['email']); unset($fields['url']); return $fields; } add_filter('comment_form_default_fields', 'wpb_alter_comment_form_fields'); edit style.css insert as last lines: .comment-notes { display:none; }
Script DNS Blocker DNSMASQ
If you tested pihole, you perhaps look for a smaller Command Line version? Install dnsmasq by: sudo apt-get install dnsmasq Here DNS Rule Injector Script (copy & paste): blocker.sh # www.linuxonlinehelp.com 2019 # DNS Blocker for Small Linux with dnsmasq # #!/bin/bash # goto tmp (tmpfs) cd /tmp/ # get URL-Blocklists wget -O blocklist.txt https://v.firebog.net/hosts/Kowabit.txt […]
Ubuntu 18.04 Backlight Control Command Line
By default the xbacklight command does not work on Intel HD Graphics: Workaround: sudo nano /usr/share/X11/xorg.conf.d/10-intel.conf: insert: Section "Device" Identifier "Card0" Driver "intel" Option "Backlight" "/sys/class/backlight/intel_backlight" EndSection now add to startup / autostart (lxde) : xbacklight -set 30