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Humberto Sousa
Quotations
We are accepting requests for quotes for solar installations (currently only in the Azores islands) Are you ready to get solar?* Click this button to get started! Request Quote [1] [1] ...
Mar 7, 2022 Solar
Humberto Sousa
Text Weather on login
add : echo "Current Weather in Nürnberg" ansiweather -l 2861650 to : /etc/update-motd.d/01-custom...
Mar 7, 2022 Linux
Humberto Sousa
Create a Samba Share in Linux
edit : sudo vim /etc/samba/smb.conf add a section like this : [sharename] path = /path/to/folder available = yes valid users = root read only = no browsable = yes public = yes writable = yes restart t...
Dec 28, 2021 Linux
Humberto Sousa
Change network interface names
To get an ethX and wlanX back, edit the grub file. sudo vim /etc/default/grub Look for : *GRUB_CMDLINE_LINUX and add the following net.ifnames=0 biosdevname=0.* and change from: *GRUB_CMDLINE_LINUX=""...
Dec 28, 2021 Linux
Humberto Sousa
Mount samba share in linux
mount -t smbfs -o username='{your username}',password={yourpassword} //{serverip}/{shared directory name} /mnt/{folder where you want to mount the share}...
Dec 28, 2021 Linux
Humberto Sousa
Change (forgotten) root password in linux
Boot from a live cd / USB drive, then in the terminal: mount / -n -o remount.rw passwd mount / -n -o remount.ro /sbin/reboot...
Dec 28, 2021 Linux
Humberto Sousa
Batch resize images in linux terminal
to batch resize images ... sudo apt install imagemagick then run ... for file in *.jpg; do convert $file -resize 1280 $file; done this will destructively resize all the jpgs in the current directory t...
Dec 28, 2021 Linux
Humberto Sousa
Convert Nikon RAW images to JPG
note : P{8} Runs these conversions with 8 different processes ls *.NEF | sed 's#.NEF##' | xargs -P8 -I^ convert ^.NEF ^.jpg (from http://superuser.com/questions/577643/how-do-i-batch-convert-thousands...
Dec 28, 2021 Linux
Humberto Sousa
Clone USB pen drives with dd
Cloning a USB pendrive to another is easy ... in linux ... use blkid to find the two drives example output : origin = /dev/sdd destination = /dev /sde the command is : dd if=/dev/sdd of=/dev/sde bs=4M...
Dec 28, 2021 Linux
Humberto Sousa
Clear your DNS Cache in Linux
Can't find that windows PC in your network list because the IP doesn't match the hostname? Clear your DNS Cache in Linux ... sudo /etc/init.d/dns-clean restart or sudo /etc/init.d/networking force-rel...
Dec 28, 2021 Linux
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and coming soon :  Solar PV systems consulting for private homes and small business

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