update 2022: next to the good old (non-destructive if used correctly) “dd” is still the way to go for benchmarking harddisks under GNU Linux. a simpler one is “gnome-disk-utility” also interesting but not very simple in installation & usage (complicated! […]
Overview Recent 360Netlab unknown threat detection system to capture to a group of unknown malicious families of the sample, which a number of samples supported CPU architectures are x86(32/64), ARM(32/64), MIPS(MIPS32/MIPS-III) as well as PPC, after our analysis, which is […]
“Better Than Nothing” Starlink-Beta started across the US & Canada Starlink: amazing but and also a bit “crazy” “On 15 October 2019, the United States Federal Communications Commission submitted filings to the International Telecommunication Union on SpaceX’s behalf to […]
contains advertisement. to be honest, it is hard to keep up the speed at which cyber incidents are reported. here is the latest take on “Russian IT Sec Updates”. have phun! SecurityLab, [28.09.20 08:20] Last month, TikTok developers rolled […]
(plain) text is (still) the universal “interface” or “format” processing, viewing, diffing text is important to stop small changes in otherwise extensive and identical config files. the heavy weight eclipse gui diff: an optical nice diff brings the otherwise slow […]
Music and GNU Linux – back to vlc after mocp jajuk testing mocp –version This is : Music On Console Version : 2.6-alpha3 Built : Nov 27 2016 10:55:04 Compiled with : OSS ALSA JACK DEBUG Network streams resample Running […]
Connection refused nothing has changed on server or client side so was the server hacked? NO! the solution is way more simple: the guest wifi might block ssh traffic give it a try: if not even telnet can get at […]
JavaScript can compromise the user’s network devices! pretty evil are devices/routers with security problems, that can be exploited from javascript. so basically opening a webpage with a browser that has javascript enabled (which most browsers have) might scan the user’s […]
finally summer and climate change have both reached Europe and had several weeks of 30 C straight… without ventilation, anything above 30 is just “too much to think” (so maybe the brain CPU also would need active cooling?) of course […]
SecurityLab, [14.07.20 15:35] The Electronic Frontier Foundation (EFF) has unveiled a new database demonstrating how and where us law enforcement agencies use tracking technologies. A map of the use of tracking technologies in the United States is presented (https://www.securitylab.ru/news/510018.php) SecurityLab, […]
first some praise: the maintainers of grub did their best they could to bring about a great piece of software, no doubt about that. the question is: could less be more? when Greg Kroah-Hartman suggested to get rid of the […]
the for loop when the user wants a command to be run exactly x times # one-liner for-loop for i in $(seq 1 5); do echo $i; done; # multi-liner for-loop for ((n=1; n<=17; n++)) do printf “do this and […]
second take on trying to get a xmpp server (OpenFire, Java) client (Pidgin, C (C#, Perl, Python, Tcl are used for plugins)) up and running. at least this time with partial luck (was able to login via pidgin) but it […]
the nice: NAT is nice as it provides some form of protection/shielding of vms from the internet, by placing the host between (doing all the fire walling) the problem: server is exposed to regular dovecot and exim password bruteforce attempts, […]
versus is the wrong word. They are both great great GNU Linux distributions with a different focus and imho the perfect combination. Debian (apt based) “the universal operating system” (because has great hardware compatibility amd64 (64Bit intel) arm64 armel armhf […]
this age of mass surveillance… … who is observing “the observers”? guess with it-security and internet-security (internet = roads, cars = computers that users use every day) it is like with real-life-security – there is no 100% security. all users […]
home of git’s git repo: https://git-scm.com/ # to clone git’s git repo git clone https://git.kernel.org/pub/scm/git/git.git # as can be seen there, it is STILL under active development written in primarily in C, with GUI and programming scripts written in Shell […]
https://theintercept.com/2020/04/03/zooms-encryption-is-not-suited-for-secrets-and-has-surprising-links-to-china-researchers-discover/ hm…. let me think where one has seen this before: TELEGRAM! Zoom’s service is “not suited for secrets” “The researchers also found that Zoom protects video and audio content using a home-grown encryption scheme, that there is a vulnerability […]
Videos: ssh thanks for sharing even when the audio is pretty crappy. slides (hard to read on video) can be found here: https://degabriele.info/slides/SSH_CCS_16.pdf “dropbear” is ambedded ssh server Made in Australia (wiki) also available as Android App naming: a “dropbear” […]
this really raises the question: the mobile (complete computer) phone (number) as key to everything? is it a good idea to rely on smart phones (that are essentially a very small laptop and a cellular modem) and phone numbers to […]
hostnamectl; # tested on Icon name: computer-desktop Chassis: desktop Operating System: Debian GNU/Linux 10 (buster) Kernel: Linux 4.19.0-8-amd64 Architecture: x86-64 su – root; # become root apt update apt install rfkill rfkill list all 0: phy0: Wireless LAN Soft blocked: […]
the “perb” seems to be SELinux “missing context”. SELinux vs AppArmor https://security.stackexchange.com/questions/29378/comparison-between-apparmor-and-selinux hostnamectrl; # tested on CentOS Linux 7 (Core) Kernel: Linux 3.10.0-1062.12.1.el7.x86_64 # with latest updates as available in 2020-02 As told above, try first: setenforce 0; # temporarily […]
imho: CentOS is a rock solid server operating system. Why is CentOS perfect for servers? a server (usually) is build for a specific purpose and should have as little software installed as possible (more software = more reliability, speed and […]
the tech guy in this video says: his “smart” APC UPS – “battery exploded and leaked all over the place” have two UPS here one from APC and one from EATON. and the EATON 5PX. EATON 5PX 2200 pros and […]
# become root su – root; # rpm based yum install nmap # apt based apt install nmap # find snmp enabled devices # (UDP port 161, can not be tested with telnet (can only do TCP)) nmap -sU -p […]
here are the packages: https://download.postgresql.org/pub/repos/yum/ # updated: 2021-01 # the guide below is probably outdated # the official current howto https://www.postgresql.org/download/linux/redhat/ # tries to install postgres13 like this: # Install the repository RPM: dnf install -y https://download.postgresql.org/pub/repos/yum/reporpms/EL-8-x86_64/pgdg-redhat-repo-latest.noarch.rpm # Disable the […]
the fast leight weight, secure and (used to be easy to configure) webserver lighttpd is currently not working under Fedora / RedHat / CentOS (7?) 8 because lighttpd (currently) can not bind at ipv4 while ipv6 is active (see). https://www.lighttpd.net/ […]
basically one column view of a specific directory without all the “-rw-r–r–. 1 owner group 734 Jan 15 20:16” clutter. ls -C1 /etc/lighttpd/conf.d/*.conf /etc/lighttpd/conf.d/access_log.conf /etc/lighttpd/conf.d/auth.conf /etc/lighttpd/conf.d/cgi.conf /etc/lighttpd/conf.d/cml.conf /etc/lighttpd/conf.d/compress.conf /etc/lighttpd/conf.d/debug.conf /etc/lighttpd/conf.d/dirlisting.conf /etc/lighttpd/conf.d/evhost.conf /etc/lighttpd/conf.d/expire.conf /etc/lighttpd/conf.d/magnet.conf /etc/lighttpd/conf.d/mime.conf /etc/lighttpd/conf.d/proxy.conf /etc/lighttpd/conf.d/rrdtool.conf /etc/lighttpd/conf.d/scgi.conf /etc/lighttpd/conf.d/secdownload.conf /etc/lighttpd/conf.d/simple_vhost.conf /etc/lighttpd/conf.d/ssi.conf […]
for good overview it makes sense to label the harddisk partitions according to functionality (what is their purpose?) GNU Linux bash – how to label partitions tune2fs (xfs & ext4) all infos about one’s harddisk: # tested on: hostnamectl Static […]
now WITH SPICY COMMENTS X-D SecurityLab, [22.12.19 12:40] A Twitter user using the alias 08Tc3wBB created tfp0-an exploit that allows you to jailbreak the latest iPhone models with IOS 13.3. The functionality of the exploit has already been confirmed by […]