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linux101 update and error fix

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o2switch
erreur401 2 years ago
parent f625306bf9
commit 6149b62e0e
1 changed files with 74 additions and 71 deletions
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  1. 145
      pages/linux101.md

145
pages/linux101.md
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@ -13,8 +13,11 @@ learn more about `ssh` -> [https://www.ssh.com/ssh/](https://www.ssh.com/ssh/)
start terminal <key>ctrl</key> + <key>alt</key> + <key>t</key>
~~~ bash
ssh -p portnumber pi@er401.duckdns.org
ssh -p portnumber pi@ipaddress
ssh user @ distant_server.address : connection_port (default to 22 )
ssh pi@192.168.1.24
~~~
@ -27,7 +30,7 @@ ssh user @ distant_server.address : connection_port (default to 22 )
start terminal ( <key> &#127822; </key> + <key> space </key> and search for `terminal`)
~~~bash
ssh pi@er401.duckdns.org:22
ssh -p 55 pi@er401.duckdns.org
~~~
- **Windows** :
@ -35,7 +38,7 @@ ssh pi@er401.duckdns.org:22
- got to [putty download page](https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html)
- `putty` will give ~~windows~~ `ssh` ability ...
- connect to:
- server: ```er401.duckdns.org```
- server: ```ipadresse```
- port ```22```
- user `pi`
@ -50,7 +53,7 @@ ssh pi@er401.duckdns.org:22
1. *create a User*
```
sudo useradd -m <username> -p <password>
sudo useradd <username>
```
2. *add user to groups and privilege*
@ -76,25 +79,89 @@ ssh pi@er401.duckdns.org:22
3. *reconnect with your `username` and `password`*
```bash
ssh YOUR_USER_NAME@er401.duckdns.org:22
ssh YOUR_USER_NAME@ADRESSEIP
```
4. welcome to your new `home`
1. your *home folder* is in `/home/yourUserName`
1. hint : you can check where you are with the command `pwd` (**P**rint **W**orking **D**irectory)
2. learm about linus folder structure -> [random first article on ddg search :) ](https://linuxhandbook.com/linux-directory-structure/)
2. learm about linus folder structure -> [learn more](https://linuxhandbook.com/linux-directory-structure/)
---
# DO SOME STUFF
## general `cli` commands
### navigate
- `.` the current directory ( folder)
- `..` the parent directory
- `man` : view the **man**ual of a command ( ex : ` man ls` )
- `pwd ` : Use the **pwd** command to find out the path of the current working directory (folder) you’re in
- `cd` : **c**hange **d**irectory to go inside a new directory
- `ls` : **l**i**s**t the current directory content
- `cp` : to **c**o**p**y documents / folders
- `mv`: to **m**o**v**e documents / folder
- `mkdir`: **m**a**k**e **dir**ectory create a folder
- `touch`: create an empty file
- `rm` : **r**e**m**ove folder and files ***⚠️*** no return possible / read and think twice before smashing <key> enter </key>
- `find`: to find / search for files
### system stuffs
- `sudo` : **s**uper **u**ser **do** get super privileges to do system stuff ***⚠️*** `sudo` can do **ANYTHING** , even destroy system
- `du` : **d**isk **u**sage ... to see .. disk usage ( use it with `-h` argument for human readable output )
- `top` and `htop` : to monitor system ( application / ram / cpu usage)
- `killall` : kill a process by name e:`killall firefox` will quit and kill all *firefix* process
- `uname ` : view system information ( kernel / linux version ....)
- `sudo reboot` : restart computer ( must be `sudo` to execute )
- `sudo halt` || `sudo shutdown now` : shutdown computer ( must be `sudo`)
### general help
- <key>ctrl</key> + <key>r</key> : search in history for already used commands
- <key>ctrl</key> + <key>c</key> : **kill** running command
--------
# getting started with python
==underconstruction==
![uc](https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fi.pinimg.com%2Foriginals%2F0b%2F12%2Fd9%2F0b12d9ff85bf365bc7acde04a992d938.gif&f=1&nofb=1)
just some code to try
~~~python
import time
import math
x = 0
try :
while True:
x = x+1
time.sleep(0.5)
print(" la vlaeur de x est de = {}".format(x))
if x>100:
x=0
except KeyboardInterrupt:
print('Hello user you have pressed ctrl-c button.')
~~~
## create folder in ```apache``` server
wft is `apache` :
> apache is a http web server [wiki page](https://en.wikipedia.org/wiki/Apache_HTTP_Server)
there other solution like [https://www.lighttpd.net/]{https://www.lighttpd.net/}
there other solution like [https://www.lighttpd.net/]{https://www.lighttpd.net/} or the popular [https://nginx.org/en/](https://nginx.org/en/)
`apache` is well documented and often the one you'll find on a web server service
@ -127,7 +194,6 @@ there other solution like [https://www.lighttpd.net/]{https://www.lighttpd.net/}
6. content example
~~~html
<html>
<head>
@ -145,43 +211,6 @@ there other solution like [https://www.lighttpd.net/]{https://www.lighttpd.net/}
</html>
~~~
# DO SOME STUFF
## general `cli` commands
### navigate
- `.` the current directory ( folder)
- `..` the parent directory
- `man` : view the **man**ual of a command ( ex : ` man ls` )
- `pwd ` : Use the **pwd** command to find out the path of the current working directory (folder) you’re in
- `cd` : **c**hange **d**irectory to go inside a new directory
- `ls` : **l**i**s**t the current directory content
- `cp` : to **c**o**p**y documents / folders
- `mv`: to **m**o**v**e documents / folder
- `mkdir`: **m**a**k**e **dir**ectory create a folder
- `touch`: create an empty file
- `rm` : **r**e**m**ove folder and files ***⚠️*** no return possible / read and think twice before smashing <key> enter </key>
- `find`: to find / search for files
### system stuffs
- `sudo` : **s**uper **u**ser **do** get super privileges to do system stuff ***⚠️*** `sudo` can do **ANYTHING** , even destroy system
- `du` : **d**isk **u**sage ... to see .. disk usage ( use it with `-h` argument for human readable output )
- `top` and `htop` : to monitor system ( application / ram / cpu usage)
- `killall` : kill a process by name e:`killall firefox` will quit and kill all *firefix* process
- `uname ` : view system information ( kernel / linux version ....)
- `sudo reboot` : restart computer ( must be `sudo` to execute )
- `sudo halt` || `sudo shutdown now` : shutdown computer ( must be `sudo`)
### general help
- <key>ctrl</key> + <key>r</key> : search in history for already used commands
- <key>ctrl</key> + <key>c</key> : **kill** running command
- list of softwares : [go to page](soft.html)
## mjpeg-streamer ( video server )
```https://github.com/jacksonliam/mjpg-streamer```
@ -216,29 +245,3 @@ there other solution like [https://www.lighttpd.net/]{https://www.lighttpd.net/}
http://er401.duckdns.org:666/?action=stream
~~~
# getting started with python
==underconstruction==
![uc](https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fi.pinimg.com%2Foriginals%2F0b%2F12%2Fd9%2F0b12d9ff85bf365bc7acde04a992d938.gif&f=1&nofb=1)
just some code to try
~~~python
import time
import math
x = 0
try :
while True:
x = x+1
time.sleep(0.5)
print(" la vlaeur de x est de = {}".format(x))
if x>100:
x=0
except KeyboardInterrupt:
print('Hello user you have pressed ctrl-c button.')
~~~

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