Linux

Getting Runtime Information

• Linux Memory Info
• Linux CPU Info
• Linux Network Info
• Linux Process Information
• Linux File Descriptor Information
• Linux Load Average
• Linux Kernel Info

Concepts

• General
• Network
• Storage
• Power Management
• Memory Management
• Process Management
• Security
• NFS

Installation

• RHEL 7/Centos 7 Installation

Configuration

• Linux 7 Network Configuration
• /etc/fstab
• /etc/exports
• /etc/resolv.conf
• /etc/nsswitch.conf
• /etc/hostname
• /etc/machine-id
• /etc/security/limits
• /etc/sysctl.conf
• Rescuing System with Lost Root Password
• Upgrading the Kernel

Commands

ip

ethtool

yum

date

zip, unzip

mailx

grep

sed

kill

hdparm, sdparm

ls

ln

ulimit

test

ps

getconf

top

vmstat

hostname

hostnamectl

cron

chkconfig

rpc.statd

mount

netfs

exportfs

rpcinfo

showmount

iftop

nohup

ssh

gdrive

find

read

curl

wget

dmesg

sudo

ifconfig

dig

nslookup

uuidgen

chroot

awk

expr

sysctl

Subjects

• RHEL
• systemd
• Linux Convenience Aliases
• NFS