Read more here https://opensource.com/article/19/5/python-3-default-mac
useful_stuff.get_all()
I hope you find this useful!
Saturday, July 1, 2023
Tuesday, June 27, 2023
SSH returns: no matching host key type found. Their offer: ssh-dss
Fix is
ssh -oHostKeyAlgorithms=+ssh-dss root@192.168.8.109
Read more here https://askubuntu.com/questions/836048/ssh-returns-no-matching-host-key-type-found-their-offer-ssh-dss
Wednesday, June 21, 2023
format decimal and doubles in Java to desired decimal places
To format numbers in java, simple
String.format("%.2f", 132.2372342)
Wednesday, May 12, 2021
Free up space in ubuntu server
Clean old kernels
- Check for kernet is use : uname –r
- Check for old kernels : dpkg --get-selections | grep linux-image
- Remove unused kernels : dpkg --get-selections | grep linux-image
Clean APT (Pulled from https://askubuntu.com/questions/5980/how-do-i-free-up-disk-space)
- To delete downloaded packages (.deb) already installed (and no longer needed)
- sudo apt-get clean
- To remove all stored archives in your cache for packages that can not be downloaded anymore (thus packages that are no longer in the repository or that have a newer version in the repository).
- sudo apt-get autoclean
- To remove unnecessary packages (After uninstalling an app there could be packages you don't need anymore)
- sudo apt-get autoremove
Finally, Check Disk Space
- df -h /
Thursday, August 6, 2020
view largest installed debian packages on unix
More details on this link https://www.commandlinefu.com/commands/view/3842/list-your-largest-installed-packages-on-debianubuntu
dpkg-query -Wf '${Installed-Size}\t${Package}\n' | sort -n | tail -n 10
See more details here https://linoxide.com/show-installed-package-size-ubuntu-debian/
Tuesday, March 24, 2020
pull multiple files from android via adb
Got answer from https://stackoverflow.com/questions/11074671/adb-pull-multiple-files
adb shell 'ls /sdcard/DCIM/Camera/20200327*.mp4' | tr -d '\r' | xargs -n1 adb pull
Monday, November 20, 2017
get the size of folder contents
du -sh
Output
15M big_folder 0 dead.letter 4.0K some_file 4.0K some_other_file
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