Linux - Smart Linux Tricks - Revision history

Tinker: /* Some other tips... */

2022-01-27T23:28:03Z

Some other tips...

← Older revision		Revision as of 19:28, 27 January 2022
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	* [https://www.cyberciti.biz/tips/how-do-i-save-recover-data-from-crashed-disks-with-dd-and-ddrescue-command.html Save and Recover Data From Crashed Disks With ddrescue Command Like a Pro]		* [https://www.cyberciti.biz/tips/how-do-i-save-recover-data-from-crashed-disks-with-dd-and-ddrescue-command.html Save and Recover Data From Crashed Disks With ddrescue Command Like a Pro]
	* [[Linux - Process Supervision using Monit{{!}}Process Supervision using Monit]]		* [[Linux - Process Supervision using Monit{{!}}Process Supervision using Monit]]
	* [https://www.youtube.com/watch?v=C3sPd3slAho How to Make Linux Hate You]
	* [https://unix.stackexchange.com/questions/254477/linux-alternative-to-altnumpad-codes Linux alternative to alt+numpad codes]		* [https://unix.stackexchange.com/questions/254477/linux-alternative-to-altnumpad-codes Linux alternative to alt+numpad codes]
	* [https://unix.stackexchange.com/questions/159094/how-to-install-a-deb-file-by-dpkg-i-or-by-apt How to install a deb file, by dpkg -i or by apt?]		* [https://unix.stackexchange.com/questions/159094/how-to-install-a-deb-file-by-dpkg-i-or-by-apt How to install a deb file, by dpkg -i or by apt?]
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	** Right click on an empty-is spot...Verify it's not in '''Panel edit mode'''		** Right click on an empty-is spot...Verify it's not in '''Panel edit mode'''
	* [https://forums.linuxmint.com/viewtopic.php?t=249705 <nowiki>[SOLVED]</nowiki> gnome-keyring-daemon prevents shutdown]		* [https://forums.linuxmint.com/viewtopic.php?t=249705 <nowiki>[SOLVED]</nowiki> gnome-keyring-daemon prevents shutdown]

	[[Category:Linux]]		[[Category:Linux]]
	[[Category:Knowledge]]		[[Category:Knowledge]]

Tinker: /* Dumb Stuff */

2022-01-27T23:27:21Z

Dumb Stuff

← Older revision		Revision as of 19:27, 27 January 2022
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	Then either tells you if it's OK or asks for your password to restart the [https://www.man7.org/linux/man-pages/man8/systemd-resolved.8.html DNS resolver].		Then either tells you if it's OK or asks for your password to restart the [https://www.man7.org/linux/man-pages/man8/systemd-resolved.8.html DNS resolver].

	= ~~Dumb~~ Stuff =		= Less "Useful" Stuff =

	== Kind of a silly little on-liner to paint a rainbow in the terminal... ==		== Kind of a silly little on-liner to paint a rainbow in the terminal... ==

Tinker: /* Create custom fortune cookies files */

2022-01-27T23:26:52Z

Create custom fortune cookies files

← Older revision		Revision as of 19:26, 27 January 2022
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	*<code>yes "$(seq 231 -1 16)" {{!}} while read i; do printf "\x1b[48;5;${i}m\n"; sleep .02; done</code>		*<code>yes "$(seq 231 -1 16)" {{!}} while read i; do printf "\x1b[48;5;${i}m\n"; sleep .02; done</code>

	= Create custom fortune cookies files =		== Create custom fortune cookies files ==

	#Open your favourite editor and add the strings that you want to be shown when running "fortune" in terminal. BE SURE to add a single line with a letter % in it, between every string.		#Open your favourite editor and add the strings that you want to be shown when running "fortune" in terminal. BE SURE to add a single line with a letter % in it, between every string.
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	#Might wanna put this in <code>/usr/share/games/fortunes</code> if you want it to actually work tho...		#Might wanna put this in <code>/usr/share/games/fortunes</code> if you want it to actually work tho...
	(Do note... It's a <code>sudo</code> thing...)		(Do note... It's a <code>sudo</code> thing...)

	= Some other tips... =		= Some other tips... =
	* [https://www.cyberciti.biz/faq/linux-copy-clone-usb-stick-including-partitions/ Copy and clone USB stick including partitions]		* [https://www.cyberciti.biz/faq/linux-copy-clone-usb-stick-including-partitions/ Copy and clone USB stick including partitions]

Tinker: /* Kind of a silly little on-liner to paint a rainbow in the terminal... */

2022-01-27T23:25:02Z

Kind of a silly little on-liner to paint a rainbow in the terminal...

← Older revision		Revision as of 19:25, 27 January 2022
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	Then either tells you if it's OK or asks for your password to restart the [https://www.man7.org/linux/man-pages/man8/systemd-resolved.8.html DNS resolver].		Then either tells you if it's OK or asks for your password to restart the [https://www.man7.org/linux/man-pages/man8/systemd-resolved.8.html DNS resolver].

	= Kind of a silly little on-liner to paint a rainbow in the terminal... =		= Dumb Stuff =

			== Kind of a silly little on-liner to paint a rainbow in the terminal... ==

	*<code>yes "$(seq 231 -1 16)" {{!}} while read i; do printf "\x1b[48;5;${i}m\n"; sleep .02; done</code>		*<code>yes "$(seq 231 -1 16)" {{!}} while read i; do printf "\x1b[48;5;${i}m\n"; sleep .02; done</code>

Tinker: /* Taking a screenshot (in Mint Cinnamon) */

2022-01-27T22:35:52Z

Taking a screenshot (in Mint Cinnamon)

← Older revision		Revision as of 18:35, 27 January 2022
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	{{!}}-		{{!}}-
	{{!}} Take a screenshot		{{!}} Take a screenshot
	{{!}} <code>Print</code>		{{!}} ''' <code>Print</code>'''
	{{!}}-		{{!}}-
	{{!}} Take a screenshot of a window		{{!}} Take a screenshot of a window
	{{!}} <code>Alt</code> + <code>Print</code>		{{!}} <code>Alt</code> + '''<code>Print</code>'''
	{{!}}-		{{!}}-
	{{!}} Take a screenshot of an area		{{!}} Take a screenshot of an area
	{{!}} <code>Shift</code> + <code>Print</code>		{{!}} <code>Shift</code> + '''<code>Print</code>'''
	{{!}}-		{{!}}-
	{{!}} Copy screen to clipboard		{{!}} Copy screen to clipboard
	{{!}} <code>Control</code> + <code>Print</code>		{{!}} <code>Control</code> + '''<code>Print</code>'''
	{{!}}-		{{!}}-
	{{!}} Copy window to clipboard		{{!}} Copy window to clipboard
	{{!}} <code>Control</code> + <code>Alt</code> + <code>Print</code>		{{!}} <code>Control</code> + <code>Alt</code> + '''<code>Print</code>'''
	{{!}}-		{{!}}-
	{{!}} Copy area to clipboard		{{!}} Copy area to clipboard
	{{!}} <code>Shift</code> + <code>Control</code> + <code>Print</code>		{{!}} <code>Shift</code> + <code>Control</code> + '''<code>Print</code>'''
	{{!}}-		{{!}}-
	{{!}} Toggle recording desktop		{{!}} Toggle recording desktop
	{{!}} <code>Shift</code> + <code>Control</code> + <code>Alt</code> + <code>R</code>		{{!}} <code>Shift</code> + <code>Control</code> + <code>Alt</code> + <code>R</code>
	{{!}}}		{{!}}}
			'''<code>Print</code>''' may have its own special label on your keyboard. On mine the '''<code>Print</code>''' key is labeled '''<code>PrtSc</code>'''.
	<code>Print</code> may have its own special label on your keyboard. On mine the <code>Print</code> key is labeled <code>PrtSc</code>.

	= Testing Network Connectivity =		= Testing Network Connectivity =

Tinker: /* */

2022-01-27T22:33:22Z

← Older revision		Revision as of 18:33, 27 January 2022
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	* [https://forums.linuxmint.com/viewtopic.php?t=249705 <nowiki>[SOLVED]</nowiki> gnome-keyring-daemon prevents shutdown]		* [https://forums.linuxmint.com/viewtopic.php?t=249705 <nowiki>[SOLVED]</nowiki> gnome-keyring-daemon prevents shutdown]

	~~= =~~		[[Category:Linux]]
			[[Category:Knowledge]]

Tinker: /* A handy little script: */

2022-01-27T22:32:30Z

A handy little script:

← Older revision		Revision as of 18:32, 27 January 2022
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	== A handy little script: ==		== A handy little script: ==

	#!/bin/bash		#!/bin/bash
	if nc -zw1 pfSense 443		if nc -zw1 pfSense 443
	then		then
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	exit		exit
	fi		fi

	Uses [https://linux.die.net/man/1/nc netcat] (nc) to simply check if the router ([[NetMan - pfSense{{!}}pfsense]]) is currently findable by name & responding to HTTPS (port 443).		Uses [https://linux.die.net/man/1/nc netcat] (nc) to simply check if the router ([[NetMan - pfSense{{!}}pfsense]]) is currently findable by name & responding to HTTPS (port 443).

Tinker: /* Restart a service */

2022-01-27T22:31:45Z

Restart a service

← Older revision		Revision as of 18:31, 27 January 2022
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	= Restart a service =		= Restart a service =
	<code>sudo service FOOBAR restart</code>		* <code>sudo service '''FOOBAR''' restart</code>

	or		or

	<code>sudo systemctl restart FOOBAR.service</code>		* <code>sudo systemctl restart '''FOOBAR'''.service</code>

	Where "FOOBAR" is the name of the service you want to restart...		Where "'''FOOBAR'''" is the name of the service you want to restart...

	= Taking a screenshot (in Mint Cinnamon) =		= Taking a screenshot (in Mint Cinnamon) =

Tinker at 22:31, 27 January 2022

2022-01-27T22:31:09Z

← Older revision		Revision as of 18:31, 27 January 2022
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	{{!}}-		{{!}}-
	{{!}} Take a screenshot		{{!}} Take a screenshot
	{{!}} <code>Print</code>		{{!}} <code>Print</code>
	{{!}}-		{{!}}-
	{{!}} Take a screenshot of a window		{{!}} Take a screenshot of a window
	{{!}} <code>Alt</code> + <code>Print</code>		{{!}} <code>Alt</code> + <code>Print</code>
	{{!}}-		{{!}}-
	{{!}} Take a screenshot of an area		{{!}} Take a screenshot of an area
	{{!}} <code>Shift</code> + <code>Print</code>		{{!}} <code>Shift</code> + <code>Print</code>
	{{!}}-		{{!}}-
	{{!}} Copy screen to clipboard		{{!}} Copy screen to clipboard
	{{!}} <code>Control</code> + <code>Print</code>		{{!}} <code>Control</code> + <code>Print</code>
	{{!}}-		{{!}}-
	{{!}} Copy window to clipboard		{{!}} Copy window to clipboard
	{{!}} <code>Control</code> + <code>Alt</code> + <code>Print</code>		{{!}} <code>Control</code> + <code>Alt</code> + <code>Print</code>
	{{!}}-		{{!}}-
	{{!}} Copy area to clipboard		{{!}} Copy area to clipboard
	{{!}} <code>Shift</code> + <code>Control</code> + <code>Print</code>		{{!}} <code>Shift</code> + <code>Control</code> + <code>Print</code>
	{{!}}-		{{!}}-
	{{!}} Toggle recording desktop		{{!}} Toggle recording desktop
	{{!}} <code>Shift</code> + <code>Control</code> + <code>Alt</code> + <code>R</code>		{{!}} <code>Shift</code> + <code>Control</code> + <code>Alt</code> + <code>R</code>
	{{!}}}		{{!}}}

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	== A handy little script: ==		== A handy little script: ==

	#!/bin/bash		#!/bin/bash

	if nc -zw1 pfSense 443		if nc -zw1 pfSense 443
	then		then
Line 58:		Line 57:
	Then either tells you if it's OK or asks for your password to restart the [https://www.man7.org/linux/man-pages/man8/systemd-resolved.8.html DNS resolver].		Then either tells you if it's OK or asks for your password to restart the [https://www.man7.org/linux/man-pages/man8/systemd-resolved.8.html DNS resolver].

			= Kind of a silly little on-liner to paint a rainbow in the terminal... =

			*<code>yes "$(seq 231 -1 16)" {{!}} while read i; do printf "\x1b[48;5;${i}m\n"; sleep .02; done</code>

			= Create custom fortune cookies files =

			#Open your favourite editor and add the strings that you want to be shown when running "fortune" in terminal. BE SURE to add a single line with a letter % in it, between every string.
			#Save this file to whatever file name you want; this guide uses "yourlist" as example.
			#When done adding strings, the following command will create a .dat file for your cookie file, which contains a header structure and a table of file offsets for each group of lines. This allows random access of the strings.
			#*<code>strfile -c % yourlist yourlist.dat</code>
			#Run <code>fortune yourlist</code> to eat the fruit of your work. That's it!
			#Might wanna put this in <code>/usr/share/games/fortunes</code> if you want it to actually work tho...
			(Do note... It's a <code>sudo</code> thing...)
	= Some other tips... =		= Some other tips... =
	* [https://www.cyberciti.biz/faq/linux-copy-clone-usb-stick-including-partitions/ Copy and clone USB stick including partitions]		* [https://www.cyberciti.biz/faq/linux-copy-clone-usb-stick-including-partitions/ Copy and clone USB stick including partitions]
Line 72:		Line 84:
	* [https://forums.linuxmint.com/viewtopic.php?t=249705 <nowiki>[SOLVED]</nowiki> gnome-keyring-daemon prevents shutdown]		* [https://forums.linuxmint.com/viewtopic.php?t=249705 <nowiki>[SOLVED]</nowiki> gnome-keyring-daemon prevents shutdown]

	= ~~Kind of a silly little on-liner to paint a rainbow in the terminal...~~ =		= =

	*<code>yes "$(seq 231 -1 16)" {{!}} while read i; do printf "\x1b[48;5;${i}m\n"; sleep .02; done</code>

	~~= Create custom fortune cookies files =~~

	~~#Open your favourite editor and add the strings that you want to be shown when running "fortune" in terminal. BE SURE to add a single line with a letter % in it, between every string.~~
	~~#Save this file to whatever file name you want; this guide uses "yourlist" as example.~~
	#When done adding strings, the following command will create a .dat file for your cookie file, which contains a header structure and a table of file offsets for each group of lines. This allows random access of the strings.
	~~#*<code>strfile -c % yourlist yourlist.dat</code>~~
	~~#Run <code>fortune yourlist</code> to eat the fruit of your work. That's it!~~
	~~#Might wanna put this in <code>/usr/share/games/fortunes</code> if you want it to actually work tho...~~
	~~(Do note... It's a <code>sudo</code> thing...)~~

Tinker: Created page with "A collection of tips & tricks for using Linux... = Restart a service = `sudo service FOOBAR restart` or `sudo systemctl restart FOOBAR.service` Where "FOOBAR" is the name of the service you want to restart... = Taking a screenshot (in Mint Cinnamon) = Here are the default shortcuts. You can customize them in Keyboard Settings, as shown in the image that started this post. {{{!}} class="wikitable" ! Action ! Shortcut {{!}}- {{!}} Take a screens..."

2022-01-27T22:30:11Z

Created page with "A collection of tips & tricks for using Linux... = Restart a service = <code>sudo service FOOBAR restart</code> or <code>sudo systemctl restart FOOBAR.service</code> Where "FOOBAR" is the name of the service you want to restart... = Taking a screenshot (in Mint Cinnamon) = Here are the default shortcuts. You can customize them in Keyboard Settings, as shown in the image that started this post. {{{!}} class="wikitable" ! Action ! Shortcut {{!}}- {{!}} Take a screens..."

New page

A collection of tips & tricks for using Linux...

= Restart a service =
<code>sudo service FOOBAR restart</code>

or

<code>sudo systemctl restart FOOBAR.service</code>

Where "FOOBAR" is the name of the service you want to restart...

= Taking a screenshot (in Mint Cinnamon) =
Here are the default shortcuts. You can customize them in Keyboard Settings, as shown in the image that started this post.
{{{!}} class="wikitable"
! Action
! Shortcut
{{!}}-
{{!}} Take a screenshot
{{!}} <code>Print</code>
{{!}}-
{{!}} Take a screenshot of a window
{{!}} <code>Alt</code> + <code>Print</code>
{{!}}-
{{!}} Take a screenshot of an area
{{!}} <code>Shift</code> + <code>Print</code>
{{!}}-
{{!}} Copy screen to clipboard
{{!}} <code>Control</code> + <code>Print</code>
{{!}}-
{{!}} Copy window to clipboard
{{!}} <code>Control</code> + <code>Alt</code> + <code>Print</code>
{{!}}-
{{!}} Copy area to clipboard
{{!}} <code>Shift</code> + <code>Control</code> + <code>Print</code>
{{!}}-
{{!}} Toggle recording desktop
{{!}} <code>Shift</code> + <code>Control</code> + <code>Alt</code> + <code>R</code>
{{!}}}

<code>Print</code> may have its own special label on your keyboard. On mine the <code>Print</code> key is labeled <code>PrtSc</code>.

= Testing Network Connectivity =

== A handy little script: ==

#!/bin/bash

if nc -zw1 pfSense 443
then
echo "We have DNS..."
else
echo "NOPE! No DNS..."
sudo systemctl restart systemd-resolved
exit
fi
Uses [https://linux.die.net/man/1/nc netcat] (nc) to simply check if the router ([[NetMan - pfSense{{!}}pfsense]]) is currently findable by name & responding to HTTPS (port 443).

Then either tells you if it's OK or asks for your password to restart the [https://www.man7.org/linux/man-pages/man8/systemd-resolved.8.html DNS resolver].

= Some other tips... =
* [https://www.cyberciti.biz/faq/linux-copy-clone-usb-stick-including-partitions/ Copy and clone USB stick including partitions]
* [https://www.cyberciti.biz/tips/how-do-i-save-recover-data-from-crashed-disks-with-dd-and-ddrescue-command.html Save and Recover Data From Crashed Disks With ddrescue Command Like a Pro]
* [[Linux - Process Supervision using Monit{{!}}Process Supervision using Monit]]
* [https://www.youtube.com/watch?v=C3sPd3slAho How to Make Linux Hate You]
* [https://unix.stackexchange.com/questions/254477/linux-alternative-to-altnumpad-codes Linux alternative to alt+numpad codes]
* [https://unix.stackexchange.com/questions/159094/how-to-install-a-deb-file-by-dpkg-i-or-by-apt How to install a deb file, by dpkg -i or by apt?]
* Get details about the linux distro installed:
** <code>cat /etc/*release*</code>
* [http://www.fosslinux.com/1168/how-to-install-updates-on-ubuntu-linux-mint-by-command-line.htm Install Updates on Ubuntu, Linux Mint, and elementary OS from Terminal]
* Panel Menu Not Responding
** Right click on an empty-is spot...Verify it's not in '''Panel edit mode'''
* [https://forums.linuxmint.com/viewtopic.php?t=249705 <nowiki>[SOLVED]</nowiki> gnome-keyring-daemon prevents shutdown]

= Kind of a silly little on-liner to paint a rainbow in the terminal... =

*<code>yes "$(seq 231 -1 16)" {{!}} while read i; do printf "\x1b[48;5;${i}m\n"; sleep .02; done</code>

= Create custom fortune cookies files =

#Open your favourite editor and add the strings that you want to be shown when running "fortune" in terminal. BE SURE to add a single line with a letter % in it, between every string.
#Save this file to whatever file name you want; this guide uses "yourlist" as example.
#When done adding strings, the following command will create a .dat file for your cookie file, which contains a header structure and a table of file offsets for each group of lines. This allows random access of the strings.
#*<code>strfile -c % yourlist yourlist.dat</code>
#Run <code>fortune yourlist</code> to eat the fruit of your work. That's it!
#Might wanna put this in <code>/usr/share/games/fortunes</code> if you want it to actually work tho...
(Do note... It's a <code>sudo</code> thing...)