tag: linux
Vim essentials in Linux
Maria D. Campbell
Vim essentials to navigate the Vim text editor in Linux.
Clearing Terminal history in Linux and why it is important to do on occasion
Maria D. Campbell
Learn how to manage your bash history in Linux — from deleting individual commands to clearing .bash_history entirely — and why it matters for privacy and security.
#bash, #command line, #linux, #history, #security, #terminal history, #vim
Creating a basic Python web server in Linux
Maria D. Campbell
How to create a basic Python web server in Linux.
Sending encrypted emails and decrypting received emails using GnuPG
Maria D. Campbell
Sending encrypted emails and decrypting received emails using GnuPG (Gnu Privacy Guard) via Command Line.
#linux, #mutt email client, #asymmetric encryption, #encryption, #decryption, #pgp key pair, #gpg, #pgp, #gnupg, #security, #series
The mailx Command Line email client vs the mutt Command Line email client in Linux
Maria D. Campbell
The mailx Command Line email client vs the mutt Command line email client in Linux.
#command line, #linux, #mutt email client, #mailx email client
Setting up and using the mutt email client in Linux
Maria D. Campbell
Setting up and using the mutt email client in Linux, which allows users to send and receive email attachments (and other powerful features) which can be saved locally.
#command line, #linux, #linux mint, #mutt email client, #email attachment, #security, #series
Exchanging public keys using a PGP key pair
Maria D. Campbell
How to exchanging public keys using a PGP key pair via local email using mutt email client.
#exchanging public keys, #linux, #mutt email client, #asymmetric encryption, #pgp key pair, #gpg, #pgp, #revocation certificate, #security, #series
Using a specific PGP key pair for digital signing
Maria D. Campbell
Using a specific PGP key pair for digital signing.
#asymmetric encryption, #complete signature, #gpg, #linux, #pgp, #pgp key pair, #security, #series
Making and verifying a cleartext digital signature using a PGP key pair in Linux
Maria D. Campbell
How to make and verify a cleartext digital signature using a PGP key pair in Linux.
#asymmetric encryption, #cleartext signature, #gpg, #linux, #pgp, #pgp key pair, #security, #series, #verification
Making and verifying a detached signature using a PGP key pair in Linux
Maria D. Campbell
How to make and verify a detached signature using a PGP key pair in Linux.
#asymmetric encryption, #detached signature, #gpg, #linux, #pgp, #pgp key pair, #security, #series, #verification
Making and verifying digital signatures using GPG in Linux
Maria D. Campbell
How to make and verify digital signatures using GPG in Linux.
#asymmetric encryption, #symmetric encryption, #encryption, #decryption, #pgp key pair, #complete signature, #verification, #gpg, #linux, #pgp, #security, #series
Encrypting and decrypting a file with GPG in Linux
Maria D. Campbell
How to encrypting and decrypt a file with GPG in Linux.
Create a cron job that monitors disk space usage and notification if it exceeds specified threshold in Linux
Maria D. Campbell
How to create a cron job that monitors disk space usage and sends a notification if it exceeds a specified threshold in Linux.
#cron daemon, #crontab, #linux, #automation, #task automation
Cron job that creates backups of a directory in Linux
Maria D. Campbell
How to create a cron job that creates backups of a directory in Linux.
#chmod, #cron daemon, #crontab, #linux, #automation, #task automation
What the util-linux package actually consists of in Linux Part 1
Maria D. Campbell
In this article, I cover the user commands included in util-linux by example.
How to check package versions in Debian based Linux distributions such as Ubuntu and Linux Mint
Maria D. Campbell
How to check package versions in Debian based Linux distributions such as Ubuntu and Linux Mint.
#dpkg, #linux, #linux mint, #debian, #ubuntu, #lsblk, #lsmem, #util-linux, #version
The lsblk command in Linux and what it does
Maria D. Campbell
The lsblk command in Linux lists information about all available or specified block devices in Linux.
The Linux Filesystem Hierarchy
Maria D. Campbell
The Linux filesystem hierarchy.
Some Important Terms to Know in Linux
Maria D. Campbell
Some important terms to know in Linux.
#linux, #linux mint, #command line, #linux kernel, #gnu, #linux distribution, #linux package managers, #source packages, #binary packages, #linux repositories, #linux boot loader, #linux services, #linux filesystem, #linux desktop environment, #linux shells, #linux shell scripting
Bash auto-completion in Linux
Maria D. Campbell
Since I have been working much more using bash in Linux, I miss the zsh auto-completion feature and wanted to implement it in Linux bash as well.
#command line, #terminal, #linux, #ubuntu, #linux mint, #bash auto-completion
How to send/receive local emails in Linux Mint/VirtualBox
Maria D. Campbell
How to send and receive local emails in Linux Mint/virtualBox using Command Line.
#command line, #linux, #linux mint, #local mail, #postfix, #mail command, #mailx command, #mailutils, #terminal, #virtualbox
The Cron daemon in Linux and how to create a cron job
Maria D. Campbell
The Cron daemon in Linux and how to create a cron job and cron daemon alternative(s) that run even when the OS is asleep or shut down.
#linux, #linux mint, #cron daemon, #linux cron alternatives, #anacron, #anacron cron service, #crontab, #automation, #task automation
The su command in Linux and Unix (macOS)
Maria D. Campbell
The su command in Linux and Unix (macOS) and how it works.
setuid, setgid, and sticky bit in Linux and Unix (macOS)
Maria D. Campbell
Learn how setuid, setgid, and sticky bit work in Linux and macOS — what they do, how to set and remove them with chmod, and when to use each one.
#chmod, #file permissions, #linux, #linux mint, #unix, #macOS, #principle of least privilege, #special permissions, #setuid, #setgid, #sticky bit
The chown command in Linux and Unix (macOS)
Maria D. Campbell
The chown command in Linux and Unix (macOS).
#linux, #unix, #macOS, #chmod, #chown, #cybersecurity, #identity and access management, #user ownership
Changing permissions using symbolic mode and numeric mode in Linux and Unix (macOS)
Maria D. Campbell
A practical walkthrough of the chmod command in both symbolic and numeric mode, with real terminal output from Linux Mint and macOS.
#linux, #macOS, #unix, #file permissions, #numeric mode, #symbolic mode
The script command in Linux and Unix (macOS)
Maria D. Campbell
The script command in Linux and Unix (macOS).
#command line, #customized scripts, #linux, #macOS, #local npm scripts, #script command, #stdin, #stdout, #stderr
The pipe (|) and tee commands in Linux and Unix (macOS)
Maria D. Campbell
The pipe (|) and tee commands in Linux and Unix (macOS)
Using pipe (|) and grep in Linux and Unix (macOS)
Maria D. Campbell
Using pipe (|) and grep in Linux and Unix (macOS)
#linux, #grep, #fifo, #named pipe, #pipe, #redirect operator, #unix
Redirect operators in Linux and Unix (macOS)
Maria D. Campbell
How to use input and output redirect operators in Linux and Unix (macOS) and how they differ.
#command line, #linux, #macOS, #redirect operator, #stdin, #stdout
stdin stdout and stderr in Linux and Unix (macOS)
Maria D. Campbell
stdin stdout and stderr in Linux and Unix (macOS)
#command line, #linux, #redirect operator, #stdin, #stdout, #stderr
Linux/Unix Command Line Commands applicable to Cybersecurity
Maria D. Campbell
Linux/Unix Command Line commands applicable to Cybersecurity.