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General linux docs

Install .tar.* applications

Install directory structure linux

  1. By package manager -> /usr/local or /opt

https://unix.stackexchange.com/questions/127076/into-which-directory-should-i-install-programs-in-linux https://askubuntu.com/questions/25961/how-do-i-install-a-tar-gz-or-tar-bz2-file https://askubuntu.com/questions/6897/where-to-install-programs https://askubuntu.com/questions/1148/when-installing-user-applications-where-do-best-practices-suggest-they-be-loc?noredirect=1 https://superuser.com/questions/757269/where-to-install-programs-in-arch-linux

Create .desktop files: https://www.maketecheasier.com/create-desktop-file-linux/

Unplug USB command line

Umount & eject

  1. Get Usb device name: lsblk
  2. Umount device: sudo umount [device-id]
  3. Eject device: sudo eject [device-id]

https://unix.stackexchange.com/questions/35508/eject-usb-drives-eject-command https://www.tecmint.com/find-usb-device-name-in-linux/ https://unix.stackexchange.com/questions/178638/eject-safely-remove-vs-umount https://www.linuxquestions.org/questions/linux-newbie-8/is-there-a-linux-eqivalent-to-safely-remove-usb-4175604332/ https://unix.stackexchange.com/questions/290336/safely-remove-usb-from-linux-device https://unix.stackexchange.com/questions/35508/eject-usb-drives-eject-command

Get Size directory or file

Use -h to use human readable format

  1. ls for files:
ls -l filename /* Size of the file*/
ls -l *        /* Size of All the files in the current directory */
ls -al *       /* Size of All the files including hidden files in the current directory */
ls -al dir/    /* Size of All the files including hidden files in the 'dir' directory */
  1. du for directories:
du -sh directory_name    /* Gives you the summarized(-s) size of the directory in human readable(-h) format*/
du -bsh *                /* Gives you the apparent(-b) summarized(-s) size of all the files and directories in the current directory in human readable(-h) format*/

https://stackoverflow.com/questions/11720079/how-can-i-see-the-size-of-files-and-directories-in-linux https://superuser.com/questions/94217/why-ls-and-du-show-different-size https://unix.stackexchange.com/questions/371238/what-is-the-difference-between-file-size-in-ls-l-and-du-sh

Remove everything except one file

Use fd search functionality

fd -E [FILE-TO-EXCLUDE] [DIRECOTORY] -x rm {}

See fd: https://github.com/sharkdp/fd

Move everything except a file/directory

Use bash extglob or use fd command to execute on files

mv ~/Linux/Old/!(Tux.png) ~/Linux/New/

https://stackoverflow.com/questions/670460/move-all-files-except-one https://unix.stackexchange.com/questions/63969/move-all-files-to-a-new-directory-excluding-that-directory

npm list all global packages

npm list -g --depth 0

Add multiple lines to bash scripts in terminal

Add \ at the end of the line

Format drives

Use mkfs tool

  1. Identify volume: df -h
  2. unmount device: sudo umount /dev/sdc1
  3. Format with specified file system: mkfs.vfat -F 32 /dev/sdb1

https://wiki.ubuntuusers.de/Formatieren/ https://tecadmin.net/format-usb-in-linux/

/media vrs \mnt

/media is where the system mounts removable media, and /mnt is for you to mount things manually.

https://askubuntu.com/questions/22215/why-have-both-mnt-and-media<Paste

tmp folder

Put files to be deleted after specific time

The default setting that tells your system to clear /tmp at reboot is held in the /etc/default/rcS file. The value we’ll look at is TMPTIME.

https://askubuntu.com/questions/20783/how-is-the-tmp-directory-cleaned-up

Battery management

Use TLP and PowerTOP

PowerTOP

Manage TLP settings

  1. sudo Powertop --auto-optimize -> If good, change in /etc/default/tlp config file.

Sources