strace howto

strace -f -p PID returns syscalls of the process PID -eopen filters for open files -econnect filters for open sockets sendto(32, „@\4\0\0\20\0\1\0\0\0\0\0\0\0\0\0\5\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0″…, 1088, MSG_NOSIGNAL, NULL, 0 a sendto() syscall, the 32 ist a file descriptor, see /proc/PID/fd/ tbc.

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Speculative Zombies and the Linux Kernel

„CVEs mean nothing, for the kernel. Very few CVEs ever get assigned for the kernel. I’m fixing 20 patches a day, I could create a CVE to each one of them, I was told not to because it would burn the world down,“ he said. https://www.theregister.co.uk/2019/10/29/intel_disable_hyper_threading_linux_kernel_maintainer/ lol?

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Debian Testing: Steam glXChooseVisual failed

I was trying to get steam working on debian testing and i kept getting the glxChooseVisual failed error. After some ducking* i found this thread on the steam forums and thanks to sgtlion i was able to resolve the issue and i can finally get my system up and running…

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Smart auto complete

It seems that sometimes smart bash completion is turned off by default so second commands and such as in apt install packagename are not auto completed. To activate it, in /etc/bash.bashrc file uncomment the following lines: #if [ -f /etc/bash_completion ]; then # . /etc/bash_completion #fi

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Manjaro 18.0.4 auf dem Thinkpad X1 Tablet Gen. 1

Ich wollte mein X1 Tablet schon verkaufen da ich nicht mehr so dringend ein Tablet brauche. Aber vorher habe ich spontan Manjaro darauf gestartet und nun gefällt es mir wieder sehr gut 🙂 So ohne Windows… Manjaro in GIMP auf dem Thinkpad x1 Tablet Live läuft alles vielversprechend gut, Stift,…

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Use DNS over HTTPS in Firefox

Firefox can now send your DNS Requests over DNS and your really should use that option. Your DNS Requests are normally send over clear-text UDP visible to your Provider and everyone who is able to intercept your internet traffic. This means almost everyone is able to see what pages you…

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HackTheBox writeup of „Help“

my first writeup for a hackthebox.eu machine called: Help, 10.10.10.120 $ nmap -Pn –script vuln 10.10.10.121 Starting Nmap 7.70 ( https://nmap.org ) at 2019-05-11 13:22 CEST Pre-scan script results: | broadcast-avahi-dos: | Discovered hosts: | 224.0.0.251 | After NULL UDP avahi packet DoS (CVE-2011-1002). |_ Hosts are all up (not…

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