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Essential Linux Commands Every IT Professional Should Know

Whether you’re managing a small business server, deploying web apps, or conducting cybersecurity assessments, Linux is one of the most powerful tools in your IT arsenal. With its open-source flexibility, reliability, and community support, Linux powers everything from personal computers to enterprise infrastructure and cloud servers.

But to fully harness its potential, you need to master the Linux command line — the heart of the system.

At PBO (Put Business Online), we work with Linux systems every day. From server maintenance and remote backups to security audits and automation, command-line knowledge keeps our clients’ systems running smoothly and securely.

In this post, we’re sharing a visual Linux Commands Cheat Sheet that summarizes the most important commands every IT professional, system admin, or cybersecurity student should know.

📋 Categories Included in the Cheat Sheet

📁 File Commands

Basic navigation and file handling:

ls, cd, pwd, cp, mv, rm, mkdir, cat

🧠 Process Management

Monitor and control processes:

ps, top, pidof, kill, killall

🖥️ System Information

Get system-level info and uptime:

uname, uptime, hostname, lshw

🔐 File Permissions

Control access rights:

chmod, chown, chgrp

🌐 SSH, SCP, RSYNC

Remote access and secure transfers:

ssh, scp, rsync

🔎 Searching

Find files and patterns:

grep, find, locate, which

📦 Archive Commands

Compress and extract:

tar -cf, tar -xf

📌 Why This Matters for Small Businesses

For small and mid-sized businesses in Darwin and beyond, Linux systems are often used for:

  • Web hosting and backend apps
  • Firewalls and routers
  • Secure file servers
  • Cloud environments

By using Linux effectively, businesses can improve reliability, security, and cost-efficiency — but only with the right technical skills in place.

That’s where PBO comes in.


🤝 Need Linux Support?

We provide Linux system setup, support, and security services to businesses across Darwin. Whether you’re building a server, migrating to the cloud, or hardening your infrastructure — we’ve got your back.

📞 Contact us today to get started

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Why Small Businesses in Darwin Need Managed IT Services?

Why Small Businesses in Darwin Need Managed IT Services

Running a small business in Darwin isn’t easy — especially when technology starts to get in the way. From slow internet and email issues to unexpected outages or data loss, IT problems can quickly eat up your time, money, and productivity.

That’s why more and more businesses are turning to Managed IT Services — a smarter, more proactive way to take care of your tech.


📌 What Are Managed IT Services?

Instead of calling for help after something breaks, managed IT services give you continuous support, maintenance, and monitoring — all for a predictable monthly fee.

It’s like having your own IT department, but without the cost of hiring in-house staff.


💡 Top 5 Reasons Darwin Businesses Should Consider Managed IT

1. Local Support When You Need It

With PBO, you get fast, on-the-ground support in Darwin — not some offshore call centre. When something goes wrong, we’re there.

2. Proactive Problem Prevention

We don’t wait for things to fail. We monitor your systems 24/7, apply updates, and patch vulnerabilities before they become major issues.

3. Affordable, Predictable Costs

No surprise bills. No costly emergencies. Just a flat-rate monthly plan that covers everything your business needs.

4. Security You Can Trust

Cyber attacks don’t care about your size — and small businesses are often easier targets. We secure your systems with firewalls, antivirus, backups, and cloud protections.

5. Focus on What You Do Best

Let us handle the IT headaches so you can get back to running your business — whether you’re a tradie, café owner, or local consultant.


🔧 What’s Included in Our Managed IT Plans?

At Put Business Online (PBO), our managed IT services cover:

✅ Device setup, monitoring & maintenance
✅ Microsoft 365 & email support
✅ Backup & disaster recovery
✅ Network and Wi-Fi troubleshooting
✅ Cyber security protection
✅ Cloud service integration
✅ Local phone, remote, or on-site support


🛠️ Let’s Keep Your Business Online — and Growing

Technology should empower your business, not slow it down. With our managed IT support, you’ll never face another tech issue alone.

📞 Interested in a managed IT plan built for your Darwin business?
👉 Get in touch now and let’s put your business online — the smart way.

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Why Cloud Services Are a Game-Changer for Small Businesses

Why Cloud Services Are a Game-Changer for Small Businesses

Cloud computing is no longer a luxury for big companies — it’s an essential tool for small and medium-sized businesses (SMBs) looking to stay competitive, secure, and flexible.

At Put Business Online (PBO), we help Darwin businesses move to the cloud with confidence—so they can work smarter, not harder.


🌐 What Are Cloud Services?

Cloud services let you store files, run apps, and manage communications online—without needing expensive physical servers in your office. Platforms like Microsoft 365, Google Workspace, AWS, and Azure give you flexibility, security, and control over your data and operations.


🚀 Key Benefits of Cloud Services for Your Business

1. Work Anywhere, Anytime

Whether you’re in the office, at home, or on-site, cloud tools like Microsoft Teams, OneDrive, and SharePoint let your team collaborate and access files securely from any device.

2. Data Security & Backup

The cloud offers built-in security features like encryption, access control, and automatic backups—far safer than storing files on a single laptop or USB stick.

3. Cost-Effective & Scalable

Only pay for what you use. Need more storage or new users? Just scale up without needing new hardware or servers.

4. Automatic Updates & Maintenance

Cloud platforms stay secure and up to date automatically—no need to worry about patching or software installs.

5. Disaster Recovery

Whether it’s a power outage, flood, or ransomware attack, cloud services help you restore your data quickly and keep your business running.


🔧 How PBO Helps You Succeed in the Cloud

We offer full cloud solutions tailored to your business:

Microsoft 365 setup and migration
Email and file migration from older systems
Secure user access and permission management
Cloud backups and recovery planning
Training and support for your staff


💡 Future-Proof Your Business — Start with the Cloud

At PBO, we make cloud services easy, secure, and affordable for local businesses. Whether you’re starting from scratch or upgrading an old system, we’re here to guide you every step of the way.

📞 Need help moving to the cloud or improving your setup?
👉 Contact us today and let’s future-proof your business together.

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5 Signs Your Business Needs Professional IT Support (Before It’s Too Late)

5 Signs Your Business Needs Professional IT Support (Before It’s Too Late)

In today’s digital world, every business—big or small—relies on technology to operate. Whether it’s sending emails, managing bookings, or taking payments, when your IT fails, everything grinds to a halt.

But how do you know when it’s time to stop DIY-ing and call in the pros?

Here are 5 clear signs you need professional IT support — and how Put Business Online (PBO) can help keep your business running smoothly.


1. You’re Constantly Fixing “Small” Issues

Printer not connecting? Outlook not syncing? Wi-Fi keeps dropping out?
These small problems waste hours every week, and they add up fast. A professional IT support team can fix root causes—not just symptoms.


2. You Don’t Have Backups (or Don’t Know if They Work)

Data loss from power outages, ransomware, or accidental deletion can cripple a business. We provide automated, tested backups to ensure your files are always recoverable.


3. Your Business Is Growing

More staff? More devices? More complexity. As you scale, so do your risks and technical needs.
We help you grow confidently with secure, scalable IT infrastructure and user support.


4. You’re Using Personal Accounts for Business Tools

If you’re sharing passwords or running your business from a Gmail account, it’s time for a change. We help you move to secure, business-grade platforms like Microsoft 365 — the right way.


5. You’re Reacting, Not Preventing

If you only call for IT help when something breaks, you’re already too late.
We offer proactive maintenance and monitoring to stop problems before they impact your business.


💡 The PBO Difference: Local, Reliable, Skilled

At Put Business Online, we’re more than IT technicians—we’re problem solvers, security experts, and business enablers.

Fast local support in Darwin
10+ years of technical expertise
Complete support for networks, devices, Microsoft 365, and security


🛠️ Need help before the next tech disaster?
👉 Contact us now for responsive, professional IT support you can trust.

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Why Cyber Security Matters for Small Businesses in Darwin

Why Cyber Security Matters for Small Businesses in Darwin

As a small business owner in Darwin, your focus is on growth, customers, and operations. But in today’s digital age, cyber security should be at the top of your priority list. Whether you’re a tradie using a tablet, a clinic managing patient records, or a startup handling sensitive customer data, your business is a target — even if you think you’re too small to matter.

The Myth: “Hackers Only Target Big Companies”

That’s simply not true. In fact, over 60% of cyber attacks in Australia now target small and medium enterprises (SMEs). Why? Because smaller businesses often lack the advanced protections that larger firms have, making them low-hanging fruit for attackers.


Common Threats Facing Small Businesses

At PBO, we’ve seen local businesses impacted by:

  • Phishing emails that trick staff into clicking malicious links
  • Ransomware attacks that lock important files and demand payment
  • Data breaches from unsecured Wi-Fi or weak passwords
  • Malware on shared USB drives or outdated systems

How PBO Can Protect You

Put Business Online offers affordable cyber security solutions tailored for Darwin businesses. Here’s how we help:

Secure your emails with advanced spam filters and anti-phishing tools
Enable multi-factor authentication (MFA) to block unauthorized access
Run security audits and fix weak points in your network
Set up backups so you’re never at the mercy of ransomware
Provide staff training so your team becomes your first line of defense


It’s Not Just About IT—It’s About Peace of Mind

When your systems are secure, your business runs smoother. Your customers trust you more. You sleep better at night. That’s what we offer at PBO.

🛠️ Need a security checkup or want to improve your digital safety?
👉 Contact us today and let’s secure your business, the smart way.