yannick Coffi

Founder of SNUBmonkey™ & ocularfuel.com. systems administrator, UX & Ul Web Designer & Photographer. Happily sharing my experiences!

tips

SOURCE ~/.zshrc

This is the tenth in a series of posts, featuring Protips, tips, tricks, hacks, and secrets provided by Our Team 🙊 — We want to share our top tips for the growing and thriving Linux community out there. Because sometimes you need a little help...

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bash scripting 🦿🍭🛠️

GeoPin: Small Script --Unveiling the World Behind Every IP Address.

tips

OpenVPN Configuration: #Server's VPN Subnet.

This is the ninth in a series of posts, featuring Protips, tips, tricks, hacks, and secrets provided by Our Team 🙊 — We want to share our top tips for the growing and thriving Linux community out there. Because sometimes you need a little help...

tips

OpenVPN Configuration: #Redirecting Client Traffic via VPN Gateway for Enhanced Security.

This is the eighth in a series of posts, featuring Protips, tips, tricks, hacks, and secrets provided by Our Team 🙊 — We want to share our top tips for the growing and thriving Linux community out there. Because sometimes you need a little help...

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ethical hacking 🤖

Using Wireshark to Sniff and Capture Credentials in an Unsecured HTTP protocol.

how to 🪄

Using apt-get || apt command.

This guide outlines the capabilities of apt-get or apt commands in Linux, explaining how to utilize them for tasks such as discovering new packages, installing and upgrading them, and maintaining system cleanliness.

how to 🪄

Mosh Server as an SSH Alternative.

Indeed, even with a robust internet connection, SSH can sometimes prove unreliable. This is due to the fact that even brief interruptions in the connection between the client and server can lead to complete stalls, forcing you to terminate and re-establish the connection.

how to 🪄

GHOST CMS: backup and restore ⏤ Self-hosting.

We’ve talked a lot about security… but one of the most overlooked aspects of running a website is having a backup. You must take all necessary precautions to ensure that your website is regularly and safely backed up.

tips

How To Fix Apache Configuration Error AH00558: Could not reliably determine the server's fully qualified domain name.

This is the seventeenth in a series of posts, featuring Protips, tips, tricks, hacks, and secrets provided by Our Team 🙊 — We want to share our top tips for the growing and thriving Linux community out there. Because sometimes you need a little help...

Paid-members only

tips

ab - Apache server performance testing tool.

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how to 🪄

How to automatically Backup Your Files to a Remote Server with Rsync.

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tips

[TryGhost/Ghost] ECONNREFUSED ::1:3306

tips

Error - Could not bind TCP port 80 because it is already in use by another process on this system (such as a web server)

This is the fourteenth in a series of posts featuring Protips, tips, tricks, hacks, and secrets provided by Our Team 🙊 — We want to share our top tips for the growing and thriving Linux community out there. Because sometimes you need a little help...

Paid-members only

how to 🪄

Connecting to Wi-Fi through CLI on macOS.

how to 🪄

How to Disable motd-news. (Ubuntu)

MOTD is the abbreviation of "Message Of The Day", and it is used to display messages when a remote user logs in to the Linux Operating system using SSH. According to /etc/update-motd.d/50-motd-news file the system sends a request to your Ubuntu server containing information about

how to 🪄

Add Multiple IP Addresses into One Single Network Interface. (Server)

Adding an additional; secondary or third IP is a thing to think of when you are a Linux system administrator. Some of you may be curious as to why we would allocate numerous IP addresses to a single network card...

how to 🪄

How to Set up Gmail SMTP Server on Ghost CMS.

Sending transactional emails from a self-hosted Ghost instance requires you to configure the mail manually. Transactional emails refer to emails containing password resets, member invitations, signup and login links.

tips

Pseudo-tty with ssh -t

This is the twelfth in a series of posts featuring Protips, tips, tricks, hacks, and secrets provided by Our Team 🙊 — We want to share our top tips for the growing and thriving Linux community out there. Because sometimes you need a little help...

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how to 🪄

How to Completely Remove Snap on Ubuntu server.

issues 🛠

Glances Web UI shows a blank page on Ubuntu 22.04

Here’s the error: After upgrading to Ubuntu 22.04, Glances Web UI shows a blank page on any browser. What is happening and how can you remediate it? Glances packages for Ubuntu 21.10 and 22.04 are different of course but the filelist for the latter does not

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issues 🛠

Issue: Logrotate Error because Parent Directory has Insecure Permissions.

how to 🪄

Throw Insults when a user type the wrong password.

The SUDOERS file includes a fun hidden gem within the default sudo security policy: the “insults” feature. When enabled, this option causes sudo to throw humorous or sarcastic insults at users each time they enter an incorrect password. By default, this flag is turned off.

how to 🪄

What are Zombie processes and how get rid of them?

You may have seen zombie processes shambling around your processes list. A Zombie process is called as such because it’s already dead. You know... ZOMBIE.

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how to 🪄

How to Clear Buff/Cache in Linux?

how to 🪄

Nmap: the powerful Network Mapper.

Nmap (Network Mapper) is one of the if not the most famous free and open source scanning/ probing tools used by penetration testers and hackers for port scanning, network mapping, and, of course, vulnerability checks. Nmap is so popular, that it's been featured in the movie The Matrix. 😎