pages:howtos:bash:bash-command-line-tricks
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| pages:howtos:bash:bash-command-line-tricks [2021/02/11 00:12] – mischerh | pages:howtos:bash:bash-command-line-tricks [2022/11/25 15:09] (current) – [exit terminal but leave all processes running] mischerh | ||
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| </ | </ | ||
| + | ===== Redo last command as root===== | ||
| + | <sxh bash; gutter: false> | ||
| + | #as user | ||
| + | vim /etc/fstab | ||
| + | sudo !! | ||
| + | </ | ||
| + | ===== Keyboard Shortcuts ===== | ||
| + | * https:// | ||
| + | Emacs editing mode key bindings are taken from the text editor Emacs. | ||
| + | |||
| + | On some systems, Esc must be used instead of Alt, because the Alt shortcut conflicts with another shortcut. For example, pressing Alt+f in Xfce's terminal emulator window does not move the cursor forward one word, but activates " | ||
| + | |||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * Sends an EOF marker, which (unless disabled by an option) closes the current shell (equivalent to the command exit). (Only if there is no text on the current line) | ||
| + | * If there is text on the current line, deletes the current character (then equivalent to the key Delete). | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | * < | ||
| + | |||
| + | |||
| + | ===== RAMdisk ===== | ||
| + | <sxh bash; gutter: false> | ||
| + | mkdir -pv /mnt/ram | ||
| + | mount -t tmpfs tmpfs /mnt/ram -o size=8192M | ||
| + | </ | ||
| + | |||
| + | ===== Prevent command from appearing in history ===== | ||
| + | just type a leading < | ||
| + | <sxh bash; gutter: false> | ||
| + | echo " | ||
| + | ^- this is SPACE | ||
| + | </ | ||
| + | |||
| + | ===== Edit/change last typed command ===== | ||
| + | <sxh bash; gutter: false> | ||
| + | cat / | ||
| + | fc | ||
| + | |||
| + | # or | ||
| + | ^bash^vim | ||
| + | </ | ||
| + | |||
| + | ===== SSH Tunnel ===== | ||
| + | **-N**: Do not execute a remote command. | ||
| + | <sxh bash; gutter: false> | ||
| + | ssl -L < | ||
| + | |||
| + | # e.g. local port 8080 to remote localhost: | ||
| + | ssl -L 8080: | ||
| + | </ | ||
| + | |||
| + | ===== Create multiple folders ===== | ||
| + | <sxh bash; gutter: false> | ||
| + | mkdir -pv / | ||
| + | </ | ||
| + | |||
| + | ===== tee - Intercept STDOUT and log to file===== | ||
| + | <sxh bash; gutter: false> | ||
| + | cat ~/.bashrc | tee -a ~/ | ||
| + | </ | ||
| + | |||
| + | ===== exit terminal but leave all processes running ===== | ||
| + | <sxh bash; gutter: false> | ||
| + | disown -a && exit | ||
| + | </ | ||
| + | |||
| + | ===== Simultaneously copy a file, change permissions/ | ||
| + | <sxh bash; gutter: false> | ||
| + | install -v -C --mode 0775 --owner < | ||
| + | </ | ||
| + | |||
| + | ---- | ||
| + | ~~DISCUSSION~~ | ||
pages/howtos/bash/bash-command-line-tricks.1613002327.txt.gz · Last modified: 2021/02/11 00:12 by mischerh