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1. wget failed cause of unstable connection to: https://www.sqlite.org/2021/sqlite-amalgamation-3350500.zip Resolved: edit ./.buildozer/android/platform/python-for-android/…
strings get substring SET s=abcdefghijklmnopqrstECHO %s:~3,1%REM # %<var_name>:~<start_index>,<length>%REM # what if with variable index and length?REM # copie…
q. execute grub2-mkconfig -o /boot/grub2/grub.cfg met environment block too small a. rm /boot/grub2/grubenv, and re-execute grub2-mkconfig, success.
Issue: Newｌｙ deployed django met 'Database returned an invalid datetime value' Learn from stackoverflow: https://stackoverflow.com/questions/40792628/django-mysql-database-return…
from https://pypi.org/project/pip2pi/ 1. pip install pip2pi 2. mkdir share/pypi pip2tgz share/pypi pandas==1.1.5 3. dir2pi share/pypi 4. use local repos…
Currently, I'm working on retire my old computer, I found some content I wrote before. This one about uploading file to ftp server. ftp -n<<!open winuser lufei mbinaryput a…
original link: https://www.diskpart.com/articles/shrink-volume-with-unmovable-files-4348.html What are the unmovable files? Unmovable files refer to the data generated by Window…
from https://www.digitalocean.com/community/tutorials/how-to-use-the-awk-language-to-manipulate-text-in-linux Introduction Linux utilities often follow the Unix phi…
As a linux OS tester, when handling with adaptation test, storaege is often mentioned. I often confused of this. Here is a description of SAN and NAS, from https://www.netapp…