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Arun Profile
Arun

@arunkallavi

Followers
339
Following
11K
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Statuses
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Systems Engineer - Datacenter Ops👨‍🚒, OS, Hardware, and Consulting - Certified📌 CC (ISC)², Security+, CySA+, Linux+, ITIL v4.

Abu Dhabi, United Arab Emirates
Joined November 2010
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@arunkallavi
Arun
4 months
Patch it. Lock it. Monitor it. #SystemSecurity #TechLife #SysAdmin #InfoSec
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@mridula_murthy
Mridula Murthy - Inspiring Learners
4 months
Horizons Calling – A Transformative Path of Lifelong Learning is a reflective journey through growth, learning, and self-discovery. Blending storytelling with coaching insights, it explores how lifelong learning shapes who we are and who we become. Available on multiple platforms
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@arunkallavi
Arun
7 months
What doesn’t make headlines? That 6‑year‑old rack server running 900+ days with zero downtime, zero missed backups, zero RAID failures. Because someone racked it right, cabled it clean, documented it, and set alerts before anything broke. #ITOps #DataCenter #SysAdmin #NoDramaOps
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@arunkallavi
Arun
7 months
A quick walk through the data center each week goes a long way. Checking indicators, airflow, cable health, and environmental stats helps us catch issues early and keep systems humming. It’s a simple habit. But it’s how uptime is built. #DataCenter #ITOps #InfrastructureMatters
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@TheHackersNews
The Hacker News
9 months
🛑 DeepSeek's iOS app is transmitting sensitive user data without encryption to a cloud platform linked to ByteDance (TikTok), leaving it wide open to hackers. 👉 See the full story and analysis here: https://t.co/t4rgGFy07o
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@arunkallavi
Arun
1 year
Boost Your IT Support Efficiency 🚀 Check Out These Top Tips to Improve First Contact Resolution (FCR) and Enhance User Satisfaction! #ITSupport #FCR #CustomerSuccess #TechTips
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@arunkallavi
Arun
1 year
Always follow the 3-2-1 backup rule: 3 copies of your data, 2 different storage formats, 1 off-site location. It’s a simple yet effective strategy! #DataBackup #ITTips
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@bytebytego
Bytebytego
1 year
Most Used Linux Commands Map 1. File and Directory Management 2. File Viewing and Editing 3. Process Management 4. System Information 5. User and Group Management 6. Network Configuration and Monitoring 7. Package Management Over to you: Which command category did you
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@mridula_murthy
Mridula Murthy - Inspiring Learners
1 year
Enhancing Learner Motivation in Workplace Training: A Comprehensive Approach
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@techyoutbe
Tech Fusionist
1 year
Networking Cheat Sheet 🔥🚀
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@LetsDefendIO
LetsDefend
1 year
3-Way Handshake for Network Fundamentals
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@devops_tech
Rakesh Jain
1 year
Troubleshooting Jenkins - 15 Common Issues and Solutions! 🚀 #Jenkins #DevOps
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@SecurityTrybe
Security Trybe
1 year
COBIT Vs ISO 27001 Vs NIST
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@SecurityTrybe
Security Trybe
2 years
How SIEM Works
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@devops_tech
Rakesh Jain
2 years
Troubleshooting Linux File System Errors! A Thread 🐧👇
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@TheHackersNews
The Hacker News
2 years
⚠️ Heads up, #WordPress admins! Over 3,900 websites compromised in weeks. A high-severity flaw in the Ultimate Member plugin exposes sites to attacks, leading to phishing scams. Learn more: https://t.co/5F9LOtKAER Secure your sites NOW. #cybersecurity #hacking
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thehackernews.com
WordPress sites under attack! A new malware campaign exploits Popup Builder plugin vulnerability (CVE-2023-6000) infecting over 3,900 sites
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@arunkallavi
Arun
2 years
Take control of your system's updates! #Linux #Rollback #Centos #Rocky #IT #Sysadmin #TechTips 🖥️🔙
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