Tag: arch

Install PHP7 with composer on Arch

After adding support for PHP 8.0, Arch news reported they are keeping legacy PHP7 packages available back in January. I was quite out of PHP scene for now, but recently, I had to test something. The test obviously required the php core package, now the version 8.0 and a second ha…

Transfer files between servers using rrsync

You might be thinking there is a typo in the rrsync but it is actually a legitimate command name. The command name comes from restricted rsync and is usually distributed alongside rsync via the package manager. Lets find out where it is located on Arch Linux: $ pacman -Fy &&a…

Stripping EXIF metadata from photos

There is no shortage of privacy related issues on the Internet. One of them I decided to tackle today is EXIF metadata embedded to the photos I publish here. I do not publish photos too often currently, but occasionally I do. Before today, I did not strip any EXIF metadata and th…

RIGOL screenshots from terminal on Arch

I've used to store screenshots from the RIGOL DS1054Z oscilloscope on the USB, which I then took out of the scope and inserted (on the third attempt obviously) into the laptop, then copied the screenshot PNG files from the USB to the target location. But it can be done much faste…

Upgrading wiringpi on Raspberry Pi 4

I have had a problem with the gpio command on Raspberry Pi 4. Checking it's version with gpio -v produced the following output: gpio version: 2.50 Copyright (c) 2012-2018 Gordon Henderson This is free software with ABSOLUTELY NO WARRANTY. For details type: gpio -warranty Raspber…