Category: Howto

Openwrt dmesg human timestamp

To viel on busybox dmesg with human readable time for debug do: $vi /root/dmesg.sh insert: base=$(cut -d '.' -f1 /proc/uptime); seconds=$(date +%s); dmesg | sed 's/\]//;s/\[//;s/\([^.]\)\.\([^ ]*\)\(.*\)/\1\n\3/' | while read first; do read second; first=`date +"%d/%m/%Y %H:%M:%S" –date="@$(($seconds – $base + $first))"`; printf "[%s] %s\n" "$first" "$second"; done exit 0 run it sh dmesg.sh.. System Echo: … [16/03/2018 14:55:18] br-lan: port 3(wlan1) entered blocking state [16/03/2018 14:55:18] br-lan: port 3(wlan1) entered disabled state [16/03/2018 14:55:18] device wlan1 entered promiscuous mode [16/03/2018 14:55:18] br-lan: port 3(wlan1) entered blocking state [16/03/2018 14:55:18] br-lan: port 3(wlan1) entered forwarding state [16/03/2018 14:55:19] br-lan: port […]

Apache MEMCACHED UDP Protection

Current a lot of sites blogging about memcached attacks on Servers here some details: Memcached Servers need a installed and running Service called “memcached” Websites need a php-plugin like php7.0-memcached to connect via API to the memcached Service The Memcached Service uses a own Config File at debian /etc/memcached.conf By default it MUST listen to localhost or socket Admins MUST setup a FIREWALL like “ufw” (iptables) and MUST check own Server for OPEN PORTS with nmap The Problem is that Attackers can run Scripts against to your Server in a 10^6 Range like a BOTNET !! with ONE PC cause […]

Openmips Enigma2 restart cron Gigablue

If you use a Gigablue SAT Box,after some weeks enigma2 will hang up: edit root crontab: $crontab -e insert: 0 1 * * * killall -9 enigma2 && sleep 5 && init 3 && /etc/init.d/samba restart 5 1 * * * wget -O /dev/null -q "IP-OF-GIGA-Box/web/powerstate?newstate=0&type=0" This will restart enigma2 Service, Samba and Webinterface too! Then Enigma is set to Standby! That kodi can access the TV Bookmarks to view TV over LAN! If Standby is not set Kodi hangs!

LEDE OPENWRT WIFI USB SETUP

Test Setup Futro S500 with USB Wifi Dongle Realtek RTL8192CU PCI Riser Card with Realtek Gigabit LEDE 17.XX Trunk Kernel 4.14 Download latest Version from openwrt.org select x86/64 extract the compressed image (*ext4*img.gz) and dump it with “dd” to CF-Card 1GB Sample for Clean Setup like TP-Link Router Firmware: You need to install this packages by “opkg update && opkg install package name && reboot”: base-files – 184-r6198-ba5f700 busybox – 1.27.2-3 dnsmasq – 2.79rc1-1 dropbear – 2017.75-5 e2fsprogs – 1.43.7-1 firewall – 2017-11-07-c4309372-2 fstools – 2018-02-11-3d239815-1 fwtool – 1 hostapd – 2017-08-24-c2d4f2eb-6 hostapd-common – 2017-08-24-c2d4f2eb-6 hostapd-utils – 2017-08-24-c2d4f2eb-6 iftop – […]

Android Browser Traffic Waste

If you use a Smartphone or Tablet be sure that the Browser like Firefox, Icecat Opera are not active at “minimize” mode, if the Website code uses a “auto” refresh code the Browser will endless load the sites on Background! This burns your Data Limit to zero.. Howto: Swipe unused apps to Top of Screen! Control by tapping onto the Square Button! Use Data Traffic Control Apps default addon tool of Huawei

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 and test on a Browser Session after google.com you see duckduckgo.com Remark: Most DSL Routers do offer the edit of the hosts File too, do same there and ALL devices redirected! Don’t forget to reboot! This Solution works only on IPv4 Networks, to enforce the […]

Ubuntu 16.04 Compiz Hang Kernel

After Ubuntu published the latest Kernel Patches for Meltdown and Spectre the Kernel 4.4.0-104/109-generic let Intel Graphics freeze or hang on Compiz with Unity. Howto fix: Install the latest KernelĀ 4.4.0-112-generic do: sudo apt-get install linux-image-4.4.0-112-generic sudo apt-getĀ install linux-image-extra-4.4.0-112-generic reboot then: sudo apt-get autoremove –purge -y This removes older kernels and save Space! Do test the PC for hanging again!!!

Google Webmaster Tools Twitter

Last Time i tried  to integrate a Twitter Timeline into my blog but i found out that this ranked down my blog on Google Webmaster Tools cause Twitter sub connected Servers blocking Google Webmaster Bot from reading the timeline by own robots.txt so i stopped using Twitter Integration to fix.  No Webmaster want show non indexed Informations  and went back to the time of  stones.. Twitter fails..