Chris

SRE • Exploring Linux 🐧 • Networking • DevOps

The linux skills most tutorials don't teach.

[Chris @ChrisXplore]

🚨 Most Linux admins still use 5 commands to check server health.

I use 1.

Run: glances

One terminal.
Real-time visibility.
✅ CPU
✅ RAM
✅ Disk I/O
✅ Network
✅ Filesystem
✅ Processes
✅ Load Average

When production goes down, every second matters.
Stop switching between:

top • free • df -h • iostat • vmstat

Use glances instead.

💡 Pro tip: Press f to filter processes instantly.

Follow for Linux tricks they don't teach in certifications. 🐧

#Linux #DevOps #SRE #SysAdmin #Cloud

[Chris @ChrisXplore]

@thatstraw Always fedora guy

[Chris @ChrisXplore]

@Monika2r Assembly laugh at the corner

[Chris @ChrisXplore]

I wish someone had shown me these Linux terminal shortcuts earlier.

They save a surprising amount of time.

• Ctrl + A → Jump to the beginning of the command.
• Ctrl + E → Jump to the end of the command.
• Ctrl + U → Delete everything before the cursor.
• Ctrl + K → Delete everything after the cursor.
• Ctrl + W → Delete the previous word.
• Ctrl + R → Search your command history.
• Ctrl + L → Clear the terminal.
• Ctrl + C → Stop the current command.
• Ctrl + D → Exit the terminal session.
• Tab → Auto-complete commands, files, and directories.

You don't need to memorize them all today.
Start using just 2–3 of these, and within a week they'll become muscle memory.
What's your favorite terminal shortcut that most people don't know? 👇
#Linux #LinuxTips #Bash #Terminal #DevOps #SRE #SysAdmin #OpenSource #ChrisXplore

[Chris @ChrisXplore]

@SakshiSugandhi fedora forever

[Chris @ChrisXplore]

@Radhika__009 Great step m

[Chris @ChrisXplore]

@Radhika__009 RHEL is the Goat in Servers, if u knw Abt servers

[Chris @ChrisXplore]

@PrashantByte09 Something is better than nothing man

[Chris @ChrisXplore]

@spiderboii24 It's hard to see handwritten notes in this phase:(

[Chris @ChrisXplore]

@enisco Linux is an art !

[Chris @ChrisXplore]

@JureUrsic That's true 😌

[Chris @ChrisXplore]

👀 Still using top?

Meet btop — the Linux system monitor that makes terminal monitoring actually enjoyable.

⚡ Why developers and sysadmins love it:

• 📊 Beautiful real-time CPU, RAM, Disk & Network graphs
• 🔥 Live process viewer with sorting & filtering
• 🎯 Mouse support inside the terminal
• ⌨️ Easy keyboard shortcuts
• 🚀 Fast, lightweight, and highly responsive
• 🎨 Clean UI with multiple themes
Install it:
# Ubuntu/Debian
sudo apt install btop

# RHEL/Fedora
sudo dnf install btop

# Arch Linux
sudo pacman -S btop
One command:
btop
After trying btop, it's hard to go back to top.

🐧 What's your favorite terminal tool that more people should know about?

#Linux #LinuxTips #DevOps #SysAdmin #Terminal #OpenSource #Cloud #Programming #100DaysOfLinux #ChrisXplore

[Chris @ChrisXplore]

@230ll1s @Saanvi_dhillon if it's production -y is not safe to use but in personal lap it's useful buddy, : )

[Chris @ChrisXplore]

@Radhika__009 nice man !

[Chris @ChrisXplore]

🚀 One of my favorite Linux time-saving tricks:

Let's say you accidentally run:

useradd x
❌ Result:
useradd: Permission denied
(or "must be run as root")
Instead of retyping the entire command with sudo:

sudo useradd x
Just run:
sudo !!

✅ !! expands to your previous command, so it becomes:

sudo useradd john
💡 This works for almost any command you forgot to run with sudo.
Small trick.
Big productivity boost.

Follow for more Linux, Shell, and Open Source tips. 🐧⚡

#Linux #LinuxTips #Bash #SysAdmin #DevOps #OpenSource #Terminal #Cloud #100DaysOfLinux #ChrisXplore

[Chris @ChrisXplore]

🚀 One of my favorite Linux time-saving tricks:

Let's say you accidentally run:

useradd x
❌ Result:
useradd: Permission denied
(or "must be run as root")
Instead of retyping the entire command with sudo:

sudo useradd x
Just run:
sudo !!

✅ !! expands to your previous command, so it becomes:

sudo useradd john
💡 This works for almost any command you forgot to run with sudo.
Small trick.
Big productivity boost.

Follow for more Linux, Shell, and Open Source tips. 🐧⚡

#Linux #LinuxTips #Bash #SysAdmin #DevOps #OpenSource #Terminal #Cloud #100DaysOfLinux #ChrisXplore

[Chris @ChrisXplore]

@Syona_rose Sure 😊

[Chris @ChrisXplore]

🚨 One filesystem feature has saved me from rebuilding servers.

When using LVM:

✅ ext4 → Extend and shrink.
✅ XFS → Extend only. Shrinking isn't supported.
That one difference matters.

Over-allocated a logical volume?
With ext4, you can reclaim the space.
With XFS, you're usually planning a migration instead.

In production, mistakes happen.
Choose a filesystem based not just on today's requirements, but on tomorrow's recovery options.
Which do you deploy more: ext4 or XFS?

Follow me for knowledge that goes beyond certifications and into real production.

[Chris @ChrisXplore]

@Pallavi_345 I have started to code in 2021 with 2GB ram

[Chris @ChrisXplore]

Meet,

Greg Kroah-Hartman

• Linux Kernel Maintainer
• Maintainer of the Stable Linux Kernel
• Open Source Contributor
• Core Linux Developer
• Long-time Linux Foundation Fellow
• USB Subsystem Maintainer
• Driver Model Maintainer
• Kernel Security Advocate
• Code Review Expert
• Mentor to Open Source Developers
• Champion of Software Quality
• Maintains Long-Term Support (LTS) Kernels
• Collaborates with Developers Worldwide
• Strong Advocate for Community-Driven Development
• Helping Keep Linux Reliable for Millions

A reminder that consistent contributions can shape the technology the world depends on. 🚀

#Linux #OpenSource #Kernel #LinuxKernel

[Chris @ChrisXplore]

Think Linux in the Cloud = Think Enterprise Linux.

The majority of production cloud workloads don't run on flashy desktop distros.

They run on battle-tested enterprise distributions like:

🔴 RHEL (Red Hat Enterprise Linux)
🟢 openSUSE / SUSE Linux Enterprise

Why?

✅ Stability
✅ Security
✅ Long-term support
✅ Enterprise-grade reliability
✅ Vendor certifications

If you're aiming for a career in Cloud, DevOps, SRE, or Platform Engineering...

👉 Learn Linux.
👉 Master RHEL.
👉 Get comfortable with the SUSE ecosystem.

Linux isn't just an operating system.

It's the backbone of the cloud. 🚀

#Linux #CloudComputing #RHEL #SUSE #OpenSUSE #DevOps #SRE #PlatformEngineering #CloudEngineer

[Chris @ChrisXplore]

Diving in depth of Operating System ❤️

Book: Operating System Concepts