| name | linux-fundamentals-skill |
| description | Complete Linux administration skill covering process management, filesystem, permissions, package management, users, bash scripting, and system monitoring. |
| sasmp_version | 1.3.0 |
| bonded_agent | 01-devops-fundamentals |
| bond_type | PRIMARY_BOND |
| parameters | [{"name":"distro","type":"string","required":false,"default":"ubuntu","validation":"^(ubuntu|debian|centos|rhel|fedora|arch)$"},{"name":"operation","type":"string","required":true,"enum":["process","filesystem","permissions","package","user","script","monitor"]}] |
| retry_config | {"strategy":"exponential_backoff","initial_delay_ms":1000,"max_retries":3} |
| observability | {"logging":"structured","metrics":"enabled"} |
Linux Fundamentals Skill
Overview
Master Linux system administration - the foundation of DevOps.
Parameters
| Name | Type | Required | Default | Description |
|---|
| distro | string | No | ubuntu | Target distribution |
| operation | string | Yes | - | Operation category |
Core Topics
MANDATORY
- Process lifecycle and management (ps, top, kill)
- Filesystem hierarchy and operations
- File permissions (chmod, chown, ACLs)
- Package management (apt, yum, dnf)
- User and group administration
- Basic bash scripting
OPTIONAL
- LVM and disk partitioning
- Systemd service management
- Log analysis with journalctl
ADVANCED
- Kernel parameters and sysctl
- SELinux/AppArmor security
- Performance profiling
Quick Reference
ps aux | grep [p]rocess
kill -15 PID
kill -9 PID
pkill -f pattern
nohup command &
chmod 755 file
chmod u+x,g+r file
chown -R user:group dir/
setfacl -m u:user:rw file
apt update && apt upgrade -y
apt install -y package
apt autoremove
dnf update -y
dnf install package
useradd -m -s /bin/bash user
usermod -aG user
passwd user
-a
/etc/os-release
free -h
-h
