UnixTools

Unix Tools

by

Jens-Peter Redlich from Berlin/Germany (deutsche/english Version)

and

Iurii Medvedev from Bishkek/Kyrgistan (русский вариант)

Bash - for Beginners - 1

• login/lougout
• ssh - login at remote host
• files directories, wirking directory
• path names
• basic shell commands - cat, touch, rm, mkdir, rmdir, mv
• using wildcards to identify files
• editing text
• more basic commands: more, wc, grep, tail, head, find
• getting help
• redirecting stdin, stdout
• special characters (and blanks) in arguments of shell commands

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File Formats (a few examples)

• Markdown
• Yaml
• XML
• HTML
• csv
• json

some Programming Languages

• C
• C++
• Java
• Python
• bash script

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Bash - for Beginners - 2

• access rights: ls -l, chmod, chown, chgrp
• simple Shell-Scripts (#! shebang)
• Prozesse
  • &
  • ps
  • kill
  • wait
• Shell Variablen
• alias (and .bashrc)
• Indiuviduelle Konfiguration der Shell (.profile, .bashrc)
• preferred language

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Bash - Advanced

• Shell Scripte
• << Umlenkung von stdin
• $1 .. Shell Variablen für Argumente
• for x in a b c
• while
• if
• $?
• $$

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Working With Files 1 - basics

• diff
• patch
• sed
• awk

• md5checksum
• sh1-checksum

• tar
• rsync
• dd

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Working With Files 2 - version control

• git
• github

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Administration Jobs - 1

• software packet manager
  • apt-get
  • pip
  • conda
• cronjob / systemd

Administration Jobs - 2

• file system administration
  • du
  • df
  • mount, umount
  • format
  • hdd/sdd performance monitoring tools

• • fsck
  • trim
• backup solutions

Docker

• docker
• docker compose
• kubernetes

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Data Formats (in protocols)

• IPv4 header
• HTTP

• Tools: Wireshark

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Network Management

• host IP address
• network mask, gateway
• routing table
• Firewall
• NAT
• VPN
• DNS
• tools: ping, traceroute, iptables
• tools: wireshark

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Administration Jobs - 3

• nginx
• apache (web server)
• mysql

Cloud Technologies

• REST
• Service Endpoint
• Cloud Computing ressources
• Cloud Storage

Continuous Integration / continuous development (CI/CD)

• Jenkins

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Programming

• Python 3
• Jupyter Notebook

• JavaScript
• MySQL
• Java, C, C++

• Rust
• Go

Tools: Visual Studio Code (VSC)