How to Delete Non-Empty Directory in Linux?
In Linux distributions, you can delete the non-empty directory by executing the “sudo rm -r
pkill Linux Command | Explained
The “pkill” command kills the execution of currently active processes in linux such as “-f” (full process name), “-o” (oldest process), “-n”(newest process).
How to Create an Empty File Linux?
In the terminal, the “touch”, “echo”, “nano”, and “printf” commands are used to create an empty file specifying the file name.
Fix: ssh_exchange_identification read connection reset
The error “ssh_exchange_identification read connection reset” can be resolved by specifying the IP address or hostname by modifying the firewall rules.
Fix: postgresql password authentication failed for user
The “postgresql password authentication failed for user” error can be resolved by changing the encryption method from “md5” to “trust”.
How to Remove Directory and its Contents in Linux?
The “rm -r dir_name” command removes the directory and all its content from Linux. The “rmdir” command will not delete non-empty directories.
How to Check WSL Version?
To check the current version of WSL, the “wsl –list –verbose” or “wsl -l -v” command is utilized in the Windows Command Prompt.
Fix:unzip error “end of central directory signature not found”
To fix the “end of central directory signature not found” error, extract the zip file through an alternative utility or correct the path directory.
Fix: unable to locate package openjdk 8 jdk
To fix the “unable to locate package openjdk 8 jdk” error, add the appropriate PPA repository, update the system and then run “sudo apt install openjdk-8-jdk”.
Fix: the repository does not have a release file
To fix the error “the repository does not have a release file”, remove and add the PPA again. After that, the installation of the package will be error-free.
How to Insert Degree Symbol in Google Docs?
Google Docs provides the “Special Characters” option and the shortcut key “ALT+0176”(using numpad) to insert the degree symbol in the document
Fix: ssh connection refused port 22
The “ssh connection refused port 22” error can be resolved by installing “OpenSSH” packages or checking the active status of SSH services or port numbers.
How to Install G++ on Ubuntu?
On Ubuntu, the G++ compiler can be installed using the command “sudo apt install g++” or ”sudo apt install build-essential” package.
How to Disable IPv6 on Ubuntu Linux?
To disable the services of IPv6 on the Ubuntu Linux system, the “sysctl” utility, GRUB bootloader, and GUI methods are provided.
Easily Install Tor Browser in Ubuntu and other Linux
You can easily install the Tor browser in Ubuntu using the PPA repository and GUI method. Also, users can install the Tor browser on other Linux systems.
How to Enable Dark Mode in Firefox Completely?
In the Firefox browser, you can enable the dark mode through the “Default Theme”, “General Settings”, and “Firefox Color” extensions.
What Port Does SSH Use?
In Linux systems, SSH uses Port 22 that can visualize through the “getent” command, “systemctl” command, and “sshd_config” file
(Fixed) bash python command not found
The “bash python command not found” error occurs when the python file cannot locate the system directory during execution.
How to Install Google Earth on Ubuntu 22.04 LTS?
In Ubuntu 22.04 LTS, Google Earth can be installed from the terminal and GUI. For that, you need to download the “.deb” file and then install it.
Which Command is Used to Check the Size of a File in Linux?
In Linux, the “du”, “ls”, “stat” and “ncdu” commands are used to check the size of a file from the terminal requiring the file name.
How to List PostgreSQL Databases and Tables Using psql?
Using the psql prompt, the “\l” and “\dt” command list all current/existing databases and tables in PostgreSQL. Read this post to learn more.
How to Check the PHP Version?
In Linux, the “php –version” or the “php -i” commands are used to check the installed version of PHP. You can also search for specific PHP versions.
How to Cite Chicago Style on Google Docs?
Google Docs enables users to cite the “Chicago” style by pressing the “Citations” option from the “Tools” tab. It requires some information for citations.
Free Family Tree Templates In Google Docs
In Google Docs, you can access and modify free family templates through a third-party source. For this, you can pick a family tree from a list of templates.
How to Switch Columns in Google Docs?
In Google Docs, you can switch columns by dragging and dropping content. Also, the “Tab” can be used to switch cells between columns.
tr Command in Linux With Examples
The “tr” command is utilized to transform strings from standard input and display the output after performing operations(deleting, replacing characters, etc.).
How to Make a Calendar in Google Docs?
Google Docs provides the “Table” option from the “Insert” tab to make a calendar in the document. It is beneficial to schedule tasks in the upcoming days.
How to Make Org Chart in Google Docs?
Google Docs assists the “Drawing” window from the “Insert” tab to make an “Org Chart”. This chart visualizes the hierarchy of organizational members.
How to Insert a Line in Google Docs?
Google Docs provides the “Horizontal line” and “Drawing” windows to insert a line in a document. In the window, you can add multiple lines in any direction.
How to Create an Invoice on Google Docs?
Google Docs provides built-in templates from the “Template gallery” to create an invoice in the document having “Company Name”, “Address”, and “Product Name”.
How to Add a Digital Signature to Google Docs?
Google Docs provides the “Scribble” tool in the “Drawing” window and the “Simple Signature” extension to add a digital signature to a document.
Free Calendar Templates in Google Docs
Free calendar templates can be accessed in Google Docs through third-party websites, and choose a particular calendar template from the collection.
2023 Google Docs Calendar Templates
2023 Google Docs Calendar Templates can be accessed and modified in documents through a third-party website. After inserting templates, users can modify them.
How to Install XAMPP On Ubuntu?
First, download the XAMPP installer from its official website. Then, make it executable and run the installer to start the installation of XAMPP.
How to Use Footnotes and Citations in Google Docs?
Google Docs provides the “Footnote” option by pressing the “Insert” tab and shortcut key “CTRL+ALT+F” for adding footnotes and citations to the document.
How to Make a Flowchart in Google Docs
Google Docs provides the “Drawing” window to make a flowchart by inserting shapes, arrows, and textboxes on the canvas window.
netcat Linux Command | Explained
In Linux, the netcat command is utilized to monitor the data across multiple devices within the network. This post has briefly explained the netcat command
How to Install and Uninstall Homebrew on Ubuntu 22.04?
In Ubuntu 22.04, the Homebrew can be installed and uninstalled using the install.sh and uninstall.sh scripts available on GitHub.
How to Install and Run Traceroute on Ubuntu 22.04?
In Ubuntu 22.04, the “sudo apt install traceroute command is utilized to install the traceroute. It is invoked through the “traceroute” keyword
How to Install Outlook on Ubuntu 22.04 LTS?
In Ubuntu, the “sudo snap install prospect-mail” command and the “Prospect Mail” application is used to install Outlook in the operating system.
How to Install LXDE Desktop Environment on Ubuntu 22.04?
In Ubuntu, the “sudo apt install lxde” command is used to install the LXDE desktop environment. Then, enable it through the login screen.
How to Install Boost Library in Ubuntu?
In Ubuntu, the command “sudo apt install libboost-all-dev” is utilized to install the Boost library. It has significance in mathematical operations.
How to Save Google Docs on Desktop?
To save Google Docs on a desktop, hit the “Download” option from the “File” tab of an existing document and choose the download location as Desktop
How to Make a Spreadsheet in Google Docs?
You can make a spreadsheet by copying data from the “Google Sheets” and pasting it into “Google Docs”. Also, modify the sheet by inserting rows and columns
How to Import Excel Sheets to Google Docs?
Importing an excel sheet to Google Docs is possible by copying tabular data through the “CTRL+C” key and paste in Google Docs via the “CTRL+V” key.
How to Cite a Website in Google Docs?
In Google Docs, a website can be cited via the “Citations” option from the “Tools” tab. Then, type the “URL” of the specified website for making a citation.
How to Add Line Numbers in Google Docs?
Google Docs provides the “Numbered list” icon, “Bullets & numbering” option, and “Ctrl+Shift+7” shortcut key to add line numbers in the document.
How to Add a Watermark in Google Docs?
Google Docs offers the “Watermark” option, “Drawing” window, and “Search for web” option to add a watermark to the document.
How to Print Labels in Google Docs?
Google Docs provides the “Print” option and shortcut key “CTRL+P” to print labels through the “Create & Print Labels” third-party extension.
How to Print Double-Sided on Google Docs?
To print out the double-sided document, you can pick the “2” option from “Pages per sheet” via the “Print” option and “CTRL+P” key.
How to Make a Timeline in Google Docs
Google Docs offers the “Drawing” window from the “Insert ” tab to make a timeline in a document. It is useful to schedule tasks with respect to time.
How to Add Bullet Points in Google Docs?
Google Docs provides the “Bullets & numbering” option, the “Bulleted list” icon, and the “CTRL+SHIFT+8” key to add bullet points to the selected document.
How Do You Check Originality on Google Docs?
To check the originality of the document, you can turn off the “SIMILARITY” button of the “PlagiarismCheck.org” extension after computing plagiarism
Convert | Google Docs to HTML
Google Docs provides the “Web Page (.html, zipped)” option from “Download” to convert files into HTML format. It can be opened in any browser.
How to Translate Docs into Other Languages?
Translating docs into other languages is possible by choosing the “Translate document” option from the “Tools” tab of the menu bar.
How to Open a Word Doc in Google Docs?
In Google Docs, a word document can be opened by pressing the “Open with” option after uploading a file in Drive by maintaining the document format.
How to Show Ruler on Google Docs?
In Google Docs, show the ruler by pressing the “Show ruler” option from the “View” tab. By pressing it, you can visualize the margin at the top of the document.
set.add() Function in Python
Python provides a built-in function named “set.add()” that adds a new element to a set. The set.add() function accepts exactly one argument.
Google Docs | Add Headers, Footers, Page Numbers, & Footnotes
Google Docs provides “Headers & footers”, “Page numbers”, and “Footnote” options to add headers, footers, page numbering, and footnotes to the document.
Search and Use Find and Replace in Google Docs
Google Docs provides a “Find and replace” option and shortcut key “CTRL+H” for finding and replacing text in the entire document.
How to Fix the “No space left on device” Error in Linux
The “No space left on device” occurs due to corrupted blocks or deleted files taking up space. This is fixed by a daemon-reload or the e2fsck command.
