RHCSA Notes

• Stuff to review
• Linux utilities

Linux Filesystem

• Linux Filesystem
• File Permissions
• File Attributes

Users and Groups

• User Management

Networking

• Private Network
• Subnetting

System

• Systemd

Processes & Job Scheduling

• Job control
• jobs
• bg
• fg
• ps
  • pstree
  • pgrep
  • pidof
• nice
  • renice
• kill
  • pkill
• Job scheduling
• at
• cron

Package management

• Package Management
• RPM
• DNF

System logging

• Syslog
• Rsyslog
• logger
• Logrotate
• systemd-journald

Performance tuning

• TuneD

Booting

• Linux Boot Process
• BIOS
• UEFI
• MBR
• GPT
• GRUB2
• Kernel
• Systemd

Shell & Scripting

• Bash
• Bash scripting

Storage Management

Disk partitioning

Partition tables:

• MBR
• GPT

Partition utilities:

• fdisk - My preference, more feature complete and defaults to MiB, GiB, etc which seems like a no-brainer to me...
• parted
• gdisk - Nice if you only care about GPT... basically GPT fdisk, all the same syntax. Why limit yourself though?

Logical Volumes

• LVM
• VDO

Filesystems

• Linux filesystem
• Ext
• XFS
• VFAT

File System Administration Commands

-tx-

Command	Description
Extended File System
e2label	Modifies the label of a file system
tune2fs	Tunes or displays file system attributes
XFS
xfs_admin	Tunes file system attributes
xfs_growfs	Extends the size of a file system
xfs_info	Exhibits information about a file system
VFAT
General File System Commands
blkid	Displays block device attributes including their UUIDs and labels
df	Reports file system utilization
du	Calculates disk usage of directories and file systems
fsadm	Resizes a file system. This command is automatically invoked when lvresize command is run with the -r switch.
[File system commands]