Ubuntu Debian (All Linux OS) Bug: WIFI randomly disconnected at 100% Signal no internet System : ubuntu 18.04 LTS Kernel 5.7 amd64 Router openwrt LAN/WIFI: disabled ipv6 dhcp ! Bug: Wifi lost internet connection randomly on 100% Signal beside the Gateway-Router! Problem: No Error Logs, no Kernel Messages Tested: Replaced Mini-PCI WIFI 5/6 Cards various […]
Kategorie: Linux
Major Tools for your IT Systems
A must „USE“ in these insecure days: nmap Portscan Tool use nmap -PN IP-Address to check failed Firewall Settings! arp-scan Network Scan to find active devices iftop to detect traffic and used Ports on a physical network Interface! ps aux show active processes on a Linux System htop more human friendly Process Monitor iotop human […]
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] […]
Nextcloud Owncloud Upgrade Traps
If you use Nextcloud (Owncloud) and you login into the Admin Panel the Updater display you that your Setup is outdated, you MUST handle as follows to PREVENT System Problems: Do FULL-BACKUP the Server Setup before you CHANGE something! Pre-Check Nextcloud Version dependency’s of PHP-Version and MYSQL Version! Cause Nextcloud offers NO System PRECHECK or […]
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: […]
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 […]
Website Speed Test with Linux
If you own a Blog and want to check the Speed with your local Linux Computer use a commandline tool called curl. Open a Terminal and enter: curl -o /dev/null -s -w 'Connect: %{time_connect}\nStart Transfer: %{time_starttransfer}\nTotal: %{time_total}\n' https://www.yourdomain.de System Echos: Connect: 0,084774 Start Transfer: 0,173280 Total: 0,228651 Advantage? You will see the Website Load […]
FastGlacier Client on Linux AWS Cloud Backup
If you are a Newbie on AWS Glacier Cloud Backup you want to use a simple Backup Uploader you can use FastGlacier inside Wine! Major Info: Glacier puts only Files up to 4GB size, split 50GB Tar/Zip Files to 4GB!! Setup AWS free Account !! Go to IAM create User, set User Role to Glacier […]
ENFORCE Google to DuckDuckgo SEARCH
If you want to enforce the use of DuckDuckgo.com instead of google.com do: Edit at the PC the „hosts“ File on: Linux /etc/hosts Windows C:\Windows\System32\drivers\etc insert at last: 54.229.105.92 google.com #ip of duckduckgo or 176.34.131.233 54.229.105.203 google.com #ip of duckduckgo 176.34.131.233 bing.com #ip of duckduckgo or 176.34.131.233 176.34.131.233 yahoo.com #ip of duckduckgo or 176.34.131.233 ..reboot […]