Category: GNU-Linux

firewall & the GNU-Linux Pinguin: firewalls: where do thy go? and does thee protect from DDoS? as always in software development and as always in GNU Linux, there is not “one” firewall system, no, there are many and it is […]

mdadm -E /dev/sd[a-z] # -E, –examine # Print contents of the metadata stored on the named device(s). # Note the contrast between –examine and –detail. # –examine applies to devices which are components of an array, while # –detail applies […]

what do you think about the CNBC documentary? 2012: Aalto Talk with Linus Torvalds: 1,5 Million Views! contains the famous “Fuck You NVIDIA” https://www.youtube.com/watch?v=MShbP3OpASA Linus Torvalds writes software since his early childhood ages and just loves programming. Without this love […]

some jpgs are badly compressed, taking 5-10MBytes each! a little nifty cool tool let’s you batch recompress WARNING! Always test things out before applying it to your original data! # become root su – root # install jpegoptim apt install […]

two neat tools to preview fonts hostnamectl; # tested with Operating System: Debian GNU/Linux 10 (buster) Kernel: Linux 4.19.0-18-amd64 Architecture: x86-64 su – root apt update apt install font-manager creditz: https://manned.org/font-manager/0194121f   apt install font-manager gnome-font-viewer creditz: https://blogs.gnome.org/jamesh/ Adding new […]

i really like virtualbox and i think it has great potential, what i do not like SOOO much is the CIA’s involvement with Oracle. “Larry Ellison Is A Billionaire Today Thanks To The CIA” (src) VirtualBox is mostly GPL 2.0 […]

about MAC address(es) not every switch has an IP assigned (if it has no web management interface, it does not need to) but it will have a MAC address. MAC address are per vendor and per device unique identifiers that […]

what IT can learn from nature: (src) mostly US users affected. Big Business: Big Companies and Big Money can afford Big Staff to maintain and secure their products, but they also provide Big Infrastructure (AWS, Office) and thus a single […]

look at this superb piece of Open Source software: … that is actually USED BY PEOPLE (like this one to write this article). unlike windows it comes with: life-time FREE UPDATES (!!!!!!!!!) a simple no f*****ing tiles design it comes […]

got the server cheap from ebay. has unfortunately only 4x 2.5″ SAS (3.5″ would be better = more storage) one SAS drive already faulty. using the native Hardware RAID10 (4x 75GByte Hitachi HGST Ultrastar C10K600 450GB (HUC106045CSS600) 2,5″ SAS2 64MB […]

Linux Journal Ceases Publication: An Awkward Goodbye https://www.linuxjournal.com/ IMPORTANT NOTICE FROM LINUX JOURNAL, LLC: On August 7, 2019, Linux Journal shut its doors for good. All staff were laid off and the company is left with no operating funds to […]

Cinnamon desktop developed by Developer(s) Linux Mint team! – is a beautiful desktop (default on Linux Mint) alternative to Gnome2 MATE. BUT: still prefer Gnome2 MATE (at least on GNU Debian Linux) because it is: minimalistic / very resource efficient […]

while not officially supported no drivers here: https://www.wacom.com/en-us/support/bamboo-support works out of the box on CentOS7/Rhel7, Kernel 4.15.9 THIS WORKS ABSOLUTELY INCREDIBLE 🙂 THANKS ALL INVOLVED! # what os do i have? hostnamectl Operating System: CentOS Linux 7 (Core) CPE OS […]

“Linux desktop remains an unpopular choice among mainstream desktop users, making up a little more than 2% of the desktop operating system market share. This is in contrast to the web server market share, which consists of 70% of Linux-based operating systems. […]

don’t be evil “Google controls about 62% of mobile browsers, 69% of desktop browsers, and the operating systems on 71% of mobile devices in the world. 92% of internet searches go through Google and 73% of American adults use YouTube. […]

it might sound strange… and even if it sucks, but if you are concerned about security, call me paranoid but: your company’s critical infrastructure SHALL NOT BE REACHABLE BY WIFI! (especially not if you are running a nuclear power plant, […]

servers/clients/computers/programs/services/webservers need accurate time… they usually get it from time servers that have an atomic clock attached to their USB port. (just guessing) ping time.google.com PING time.google.com (216.239.35.4) 56(84) bytes of data. 64 bytes from time2.google.com (216.239.35.4): icmp_seq=1 ttl=46 time=43.5 […]

EDIMAX EW-7612UAn V2 THE ONLY (?) GNU Linux WIFI WLAN Adapter that works OUT OF THE BOX on all GNU Linux systems (ODROID RASPBERRY AND Desktop GNU Linux) different sizes… different standards… every year? why? it is hard to find […]

update: 2020-05 for whatever reason the following SSHDroid app does not work anymore. please checkout the even easier to use (default port: 2222) and setup: SimpleSSHD (Easy to use SSH server) – https://f-droid.org/app/org.galexander.sshd # start the ssh server app # […]

scroll down for ENGLISH: ) OMG! Da die IT von Baltimore sich einen Ransome-Virus eingefangen hat, können die Bürger ihre Steuern und ihre Blitzer-Tickets nicht zahlen! Wunderbar! 🙂 Mit welchem Aufwand man rechnen muss, wenn man sich von der Digitalisierung […]

the best about samba: thanks for samba, it provides users with a fast (of course depends also on harddisk speed) rock-solid no-limit-to-maximum-users file-server for maximum file-transfer-and-sharing-and-storage productivity (and they will USE that T: temp drive for EVERYTHING! prepare for TERRABYTES […]

aim: in software development, step debugging is a very nice way to look at your code and see if it does what it should. i wondered, if such a thing exists for shell / bash scripts. develop shell bash scripts […]

“Cinnamon is a Linux desktop which provides advanced innovative features and a traditional user experience. The desktop layout is similar to Gnome 2 with underlying technology forked from Gnome Shell. Cinnamon makes users feel at home with an easy to […]

firewall & pinguin: iptables where do thou go? it is said that when using “ip-sets” iptables and nftables achieve almost same performance (amounts of ips possible to block, without server becoming slow/unresponsive) Redhat and nftables on DDoS “so the only […]

the affordable 100% Open Source phone: update: 2021-01 “the best (most privacy & security & usability) Smart Phone solution” is yet to be found (PinePhone (yet untested) comes close) and it would be like: runs standard unmodified GNU Linux kernel […]

CentOS8: ccze author not willing to maintain ccze. no ccze and not even lnav available. how to monitor all logs… https://dwaves.de/2017/06/15/linux-monitor-all-logs-in-real-time-d-follow-all-show-changes-to-log-files-under-varlog/ as i was wondering what combination of less -R with or without ccze would allow me to view log […]

what is epel?: Extra Packages for Enterprise Linux “EPEL (Extra Packages for Enterprise Linux) is a volunteer-based community effort from the Fedora project to create a repository of high-quality add-on packages that complement the Fedora-based Red Hat Enterprise Linux (RHEL) […]

long story short: “The Year 2038 problem is where the Unix time can no longer be stored in a signed 32-bit integer and thus after 19 January 2038 will begin wrapping around as a negative number for representing the number […]

with security there is no “done” it can be clearly seen that: the amounts of it-security problems is increasing of course there is no 100% security with state-actors playing “hot” “cold war” in cyberspace private-spy-companies developing exploits that then leak […]

Thanks! thanks to all the contributors of open source soft- and hardware and people that share their knowledge online for free 🙂 i hope/think that better technology could possibly also change humans to the better… freely sharing information surely does […]