Time-based Task Scheduling with Cron Jobs | Hackerz.Exposed

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Applied Linux Command Line and Shell Scripting Zero to Elite

Introduction to Linux Shell

Course introduction (2:53)
Difference Between Kernel and Shell in Linux (9:09)
Linux OS Installation (11:18)

Linux Terminal Productivity

Terminator, Oh My Zsh and Tmux - Part 1 (18:32)
Terminator, Oh My Zsh and Tmux - Part 2 (10:17)

Package Managers & File Archiving

Package Managers: zypper, apt, yum, repos, and more (10:48)
Archiving: p7zip, xz-utils, gzip, gunzip, tar, and more (8:04)

Command-Line Chaining

Command Line Chaining - Part 2 (13:51)
Command Line Chaining - Part 1 (8:56)

System Hardware and Time Examination

System Hardware: dmidecode, lsblk, inxi, and more (7:22)
System Time: ncal, time, uptime, date, and more (5:05)

Disks and File System Permissions

dd, gzip, fdisk, swapoff/on, free, find,chmod - Part 1 (22:25)
mount, runlevel, fsck, mkswap, resize2fs - Part 2 (20:49)

Processes, Services and Performance Management

Process management - Part 1: Services, performance and ps (14:30)
Process management - Part 2: kill, killall, pkill, pstree, lsof, pgrep, top, htop (16:52)

Managing Users and Groups

Users and Groups - Part1: sudo, passwd, useradd, adduser, id (15:22)
Users and Groups - Part2: usermod, chage, getfacl, setfacl (18:26)
Users and Groups - Part3: who, last, lastb, utmpdump (16:23)

Networking

Networking Part 1: iproute2, ip, txqueuelen, mtu, netplan (16:51)
Networking Part 2: route get, list, neighbor, ICMP/UDP traceroute (10:04)
Networking Part 3: Netplan YAML, DNS record types, dig, host (8:10)
Networking Part 4: OpenSSH, SSH-Keygen, SSH-Copy-ID, Capturing SSH Session (16:30)
Networking Part 5: SSH Port Forwarding, SSH Proxy Server, SCP & RSync (14:17)

iptables Firewall

iptables Firewall Concepts (11:51)
iptables Firewall in Action (Filter) (37:51)
iptables Firewall in Action (NAT) (23:01)
iptables Firewall in Action (Mangle) (5:02)
Uncomplicated Firewall (UFW) (6:21)

Sysdig: Deep System Visibility

Sysdig Installation (3:10)
Sysdig Output Anatomy (8:06)
Sysdig Events Use-Cases (7:30)
Sysdig Chisels (Lua Scripts) Use-Cases - P1 (11:35)
Sysdig Chisels (Lua Scripts) Use-Cases - P2 (6:42)
CSysdig (Text-GUI) Use-Cases, Kernel-syscalls zooming (13:46)

Shell Scripting and Task Automation

Time-based Task Scheduling with Cron Jobs (10:15)
Shell Scripting & Task Automation - Part 1 (14:23)
Shell Scripting & Task Automation - Part 2 (21:47)
Project: Creating a Password Manager - Part 1 (19:10)
Project: Creating a Password Manager - Part 2 (14:04)

~1 Second Booting Linux: Windows Subsystem for Linux

WSL2 Installation (5:04)
The WSL, Behind the Scenes (7:21)
WSL2 & Windows Terminal Productivity: Oh My Zsh, Nerd Font, P10K... (11:59)
WSL2 Maintenance and Fine-Tuning (9:15)

Teach online with

Time-based Task Scheduling with Cron Jobs

Links:

Cron cheatsheet

crontab guru

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