Search for: latest kernel

howto postgres
25 May 2020

postgres borrows concepts from mysql (now mariadb) postgres and mariadb are borth great databases, thanks all involved. (how to setup postgres 12 on centos 8 (very very latest)) let’s dive into hit: how to postgres: hostnamectl; # tested on Virtualization: […]

gnu-linux – setup postgres 12 on CentOS 8 – terminal bash – debugging postgresql connection problems
16 Jan 2020

here are the packages: https://download.postgresql.org/pub/repos/yum/ # updated: 2021-01 # the guide below is probably outdated # the official current howto https://www.postgresql.org/download/linux/redhat/ # tries to install postgres13 like this: # Install the repository RPM: dnf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 […]

games and AI all need GPUs – first Open Source RISCV GPU – userbenchmark “internet connectivity failed” – GPU Benchmark – Tensor Flow GPU and Artificial Intelligence Deep Learning and OpenAI
30 Dec 2019

apologize! games = windows, still ? (although there are 6000 steam games running on linux) the very first “Open Source GPU” is in the making: https://www.crowdsupply.com/libre-risc-v/m-class “The Libre RISC-V M-Class is a RISC-V chip that is libre-licensed to the bedrock. […]

Russian IT Security Updates Dec3
03 Dec 2019

SecurityLab, [22.11.19 08:23] French company Edenred reported a cyberattack using malware that affected an unknown number of computer systems. The company has launched an investigation to determine the extent of the contamination. Payment solution provider Edenred has been the victim […]

Debian 9.8 “stretch” setup of VirtualBox 6.0 with Cinnamon Desktop
03 Aug 2019

# setup log of VirtualBox Graphical User Interface Version 6.0.10 r132072 (Qt5.7.1) # on Debian 9.8 with Cinnamon Desktop # go into software repo user@debian98:~$ cd /software/ # download latest version of software user@debian98:/software$ wget https://download.virtualbox.org/virtualbox/6.0.10/virtualbox-6.0_6.0.10-132072~Debian~stretch_amd64.deb –2019-08-03 14:36:05– https://download.virtualbox.org/virtualbox/6.0.10/virtualbox-6.0_6.0.10-132072~Debian~stretch_amd64.deb Resolving […]

Meltdown Demo at GitHub – RedHat explains MELTDOWN
25 Jul 2018

Update: 2019.10 Zombieload is back. “This time a new variant (v2) of the data-leaking side-channel vulnerability also affects the most recent Intel CPUs, including the latest Cascade Lake, which are otherwise resistant against attacks like Meltdown, Foreshadow and other MDS […]

Spectre and Meltdown – Linus Torvalds infuriated by Intel insanity – Open CPU and rise of RISC? RISCV – hifive1
09 May 2018

Update: 2020.03 “The newly developed Rowhammer- attack TRRespass can crack the RAM-a security mechanism by many DDR4-DRAM-modules as well as LPDDR4 Chips. Until now, these were considered to be almost immune to Rowhammer attacks.” https://www.com-magazin.de/news/sicherheit/software-hammer-ram-schutz-attackiert-2515621.html Update: 2019.10 Zombieload is back. […]

apt yum exclude package from update upgrade
01 Mar 2018

maybe you want to run your own version of the kernel and you will have to prevent during an automatic update that this kernel will get “replaced”. same goes with firefox, thunderbird and LibreOffice yum and apt might not install […]

CentOS7 setup virtualbox
07 Feb 2018

headless server: tested: 2018-10-17 on CentOS Linux 7.5 (Core) wget https://www.virtualbox.org/download/oracle_vbox.asc rpm –import oracle_vbox.asc cd /etc/yum.repos.d/ wget https://download.virtualbox.org/virtualbox/rpm/el/virtualbox.repo yum update yum search virtualbox yum install VirtualBox-5.2.x86_64 # if you want/need usb 3.0 extension package wget https://download.virtualbox.org/virtualbox/5.2.20/Oracle_VM_VirtualBox_Extension_Pack-5.2.20.vbox-extpack VBoxManage extpack install Oracle_VM_VirtualBox_Extension_Pack-5.2.20.vbox-extpack […]

Docker
29 Jan 2018

who is who? concepts: docker is written in Google Go by Docker Inc, SanFrancisco because it does not emulate any hardware – it is a linux container / sandbox or jail like Free BSD Jail or Solaris Zones or OpenVZ so […]

compiling squid http proxy from source
31 Jul 2017

checkout what is the latest version: ftp://ftp.cuhk.edu.hk/pub/packages/info-systems/www/squid/ probably this is more recent: https://github.com/squid-cache/squid you could also try git clone https://github.com/squid-cache/squid.git and compile with the git source tree… let me know if it worked. hostnamectl; # tested on [root@CentosMaster squid-4.0.21]# hostnamectl […]

28 Jul 2017

  i did just some basic testing… and managed to compile the php7.3 binary – but the make install failed. it would help to have multiple cores… hostnamectl; # tested with Static hostname: CentosSlave Icon name: computer-vm Chassis: vm Operating […]

CentOS Redhat – compile Apache2 from source
27 Jul 2017

i tried to compile under debian…. but it’s way more compli cated. also: you probably do not need all the packages stated here… but i did not have the time to sort those out sorry for that. feel free to […]

Yum cheat sheed – the future of Yum is Dnf
24 May 2017

update: 2021-1 yum -> dnf hostnamectl; # tested on Virtualization: kvm Operating System: CentOS Linux 8 CPE OS Name: cpe:/o:centos:centos:8 Kernel: Linux 5.4.11 Architecture: x86-64 ll /usr/bin/yum -> dnf-3 all those yum commands still work with dnf (nice work!) DNF […]