If you run a embedded Linux PC like raspi often some Linux Commands fail without error messages, cause the hardware performance is low tech. Same i have seen on the split command.. to split a 50GB Photos-Archive File to 4Gb on a USB Drive i found out that: sudo split -b 4096m -d -u Photos.tgz Photos-Archive_ fix the job.. Cause option -u disable IO-Caching over the 2.0 USB Port to the RAM of the raspi that the Data of the Output Stream is written direct to the Drive.
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 […]
#dsl #telekom #speed #einundeins #router #settings do weekly #check the webinterface of your #Internet #connection somtimes #lower than you pay by #isp #provider #contract #malfunction :-( no #DSL100
If you run Debian Servers, you read last weeks about security problems of systemd service manager. On several tests i have seen much systems having problems on service starts on boot like on debian, raspian .. This is a result of not clean redesigned scripts of the services by the Maintainers like the Proxy Server “privoxy” Package… For Tests i decided to try the new Debian Fork Replacement DEVUAN for Desktop and a standard Debian Server Setup without systemd! Howto purge Systemd on a Debian System read this external Wiki: http://without-systemd.org/wiki/index.php/How_to_remove_systemd_from_a_Debian_jessie/sid_installation or try Devuan for Server and Desktop: https://devuan.org/ Remark: […]
If you want to have a full automatic Update on your System then open a Gnome Terminal / Linux Console run (# Comments): $sudo nano /root/update.sh enter: #/!bin/bash apt-get update #pull updates apt-get dist-upgrade -y # install updates apt-get clean #clean update database for next pull to have clean source urls exit 0 save with CTRL+X # save+Exit $sudo chmod 755 /root/update.sh # make able to run Setup Timeplan: $sudo su – # change to root users console with environment $crontab -e # open root timer enter: @daily sh /root/update.sh > /dev/null 2>&1 save with CTRL+X and be happy the […]
Problem: If you up/downgrade a Debian most of unneeded files are always on your disk Solution: To check: $sudo dpkg -l | more To cleanup: dpkg –list |grep "^rc" | cut -d " " -f 3 | xargs sudo dpkg –purge If you like run the command twice cause sometimes deps are new taken or install deporphan to: $sudo deborphan | xargs sudo apt-get -y remove –purge If you like run the command twice cause sometimes deps are new taken