apt update apt upgrade is what users do… having no idea of the “heart attack” momentum that is awaiting them X-D after a reboot… and 1min 30sec timeout, the dreaded Control+D give root password prompt appears. “Houston we have a […]
setup LAMP GNU-Linux Apache2 MariaDB PHP7.3 su – root; # become root apt update; # update system to latest apt upgrade; # database first apt install mariadb-server mariadb-client # set root pwd for database (can be root on dev test […]
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 […]
(click here for two html embedded test video files, if the user’s browser can playback 264x and 265x) lsb_release -a; # tested with No LSB modules are available. Distributor ID: Debian Description: Debian GNU/Linux 10 (buster) Release: 10 Codename: buster […]
First of: Love Libre Office! Use it on daily basis 🙂 Absolutely fantastic job! THANKS ALL INVOLVED! Tested with: To install an extension, follow these steps: Download an extension and save it anywhere on your computer. current as of writing […]
Update: 2020-02 added “geany” is there an ideal IDE for every task? Nope. Of course just as programming languages every IDE has their pros and cons. (build for a specific purpose? might serve other purposes also) There is not a […]
ls -lah –color –time-style=+%F # will output year-month-day like: 2020-02-06 # if one needs the actual TIMESTAMP: go –full-time # ls -lah –color –full-time will output time in format: # 2020-02-04 11:37:57.619196543 +0100 # can put it into (debian/ubuntu/mint…) vim […]
update: https://www.linuxquestions.org/questions/2020mca.php Warning! 645 votes does not make for a complete survey! X-D Debian is a great great great GNU Linux distribution (the basis of Ubuntu and MINT). Many THANKS! TO ALL INVOLVED! It is the effort of a lot […]
here are the packages: https://download.postgresql.org/pub/repos/yum/ # updated: 2021-01 # the guide below is probably outdated # the official current howto https://www.postgresql.org/download/linux/redhat/ # tries to install postgres13 like this: # Install the repository RPM: dnf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 […]
Warning! This is probably not THE best solution and rather a dirty hack. Updates only should come via yum package manager and official repositories. After update, Telegram stops working. first thing one does is open up a terminal, and try […]
“We need to be more vigilant with what we trust from the internet” – BigBrother will use this against you! … even if Putin, Trump and Obama will die some day… his digital deep fake copy will feed you lies […]
setup rustc hostnamectl; # tested on Operating System: Debian GNU/Linux 10 (buster) Kernel: Linux 4.19.0-17-amd64 Architecture: x86-64 hostnamectl; # also tested on Operating System: Debian GNU/Linux 12 (bookworm) Kernel: Linux 6.1.0-13-amd64 Architecture: x86-64 # also tested with Operating System: Debian […]
while loop: One way to do it is: while read p; do echo “$p” done <peptides.txt As pointed out in the comments, this has the side effects of trimming leading whitespace, interpretting backslash sequences, and skipping the trailing line if […]
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) ONLY BUY FROM HARDWARE VENDORS THAT SUPPORT FREE & OPEN […]
https://dwaves.de/2023/08/07/looking-for-a-new-soc-or-sbc-new-version-of-starfive-visionfive-2-risc-v-sob-soc-battle-rages-on-raspberry-pi-4-vs-odroid-n2l/ Update: 2023: there seems to be a new version “StarFive VisionFive 2 JH7110 64bit SoC” with 4GB RAM for 84,49 Bucks or 114,49 Bucks for the 8GB RAM version CPU performance is between Raspberry Pi3 and Pi34 also remarkable: price-wise it […]
why is RUST so popular? well… it is the better C++, so fore those familiar with C++ it will be a breeze, but for anyone else it might be a steep learning curve (the compiler gives very very helpful error […]
linux administrators should really run the almighty monitor script once and a while. while lnav is a great log viewer, it (right now) does not do a good job in catching all logs under /var/log/ and all errors. so one […]
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) … because maybe one wants to read their smart status. […]
it’s far from perfect, but was able to: requirements: creat a mail account somewhere yum install sendemail and hpacucli features/functions: mail the status of the raid show colorful on console status of raid (rebuilding orange, failed drive red, everything ok […]
monitoring the integrity of a RAID is critical for fast replacement of failed harddisks (ideally one has at least one spare drive already in the machine) if not – it would be great if hard- and software-raid would send a […]
# tested on yum install inxi inxi -b System: Host: hp.centos Kernel: 5.1.15 x86_64 bits: 64 Desktop: MATE 1.16.2 Distro: CentOS Linux release 7.6.1810 (Core) Machine: Type: Server System: HP product: ProLiant DL360 G6 v: N/A serial: XXXXXXXXX Mobo: N/A […]
# tested on Debian 10 su – root; # become root apt update; apt install dnsutils dig -v DiG 9.11.5-P4-5.1+deb10u2-Debian # tested on CentOS Linux 7 (Core) dig -v DiG 9.9.4-RedHat-9.9.4-74.el7_6.1 vim /scripts/what_is_my_public_ip.sh echo “my public (internet facing) ip is:” […]
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 […]
is Rust safer than C/C++? “show me the src” https://github.com/rust-lang https://github.com/rust-lang/rust/tree/master/src DebConf 2019: Why would a python programmer learn rust when there are no jobs in it https://ytpak.net/watch?v=IYLf8lUqR40 “This means no matter what language you use, the only safe way […]
# how to debug problems # create script vim /scripts/mon_all_logs.sh # fill with this find /var/log/ -type f \( -name “*” \) ! -path ‘*.gz*’ -exec tail -n0 -f “$file” {} + # something is wrong here tail /var/log/Xorg.0.log [ […]
update: safety first! when it comes to important files: safety comes first thus recommend to the user that wants to go pro the following backup system: have two complete backups at two different places: backupA: at the company, USB 3.0 […]
update: with more or less CPU usage this device uses like 6kWh per day (rough estimate over 30 day measurement) it runs pretty quiet even on 100% CPU load 😊👍🏻🖖🏻🍻 got it cheap on eBay and wanted to take it […]
WARNING! central VestaCP software vendor was hacked in 2018 not sure if they fixed the problem and continue VestaCP development (a shame, it was really a very very nice web based gui to admin web and mailsevers) changing port for […]
WARNING! central VestaCP software vendor was hacked in 2018 not sure if they fixed the problem and continue VestaCP development (a shame, it was really a very very nice web based gui to admin web and mailsevers) backups can become […]
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 […]