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Lesson 2: Linux Basics for DevOps
Linux commands, permissions, packages, processes, and networking for DevOps
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File Operations
ls:
List directory contents
cd:
Change directory
cp:
Copy files or directories
mv:
Move or rename files
rm:
Remove files or directories
Permissions & Ownership
chmod:
Change file permissions
chown:
Change file owner and group
sudo:
Execute commands as root or another user
Package Management
apt:
Debian/Ubuntu package manager
yum:
CentOS/RHEL package manager
dnf:
Fedora/RHEL 8+ package manager
Process Monitoring
ps:
Display running processes
top / htop:
Real-time process monitoring
Networking
netstat:
View network connections
ping:
Check connectivity
curl:
Test HTTP requests and endpoints
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