#id ... genau ein Html element
.classname ... alle elemente mit dieser klasse
Beispiele:
h1 { color:red}
h2,h3 { color:blue}
.myClass {color:orange}
#myId {color:yellow}
meine Sys/Db admin & Developper Notitzen - wer Rechtschreibfehler findet darf sie behalten ... my Sys/Db Admin and developper notes - I don't care about typos
sfdisk -l
lsblk -f
cat /proc/partitions
lshw -class disk -short
df -h
du -h
task | VisualStudio | Eclipse | |
---|---|---|---|
go to definition | F12 | F3 | |
last location | CRT - | CRT Q | |
task | c# | java | |
---|---|---|---|
override | override | @Override | |
Datum | DateTime | Date | |
# 1024x768 59.92 Hz (CVT 0.79M3) hsync: 47.82 kHz; pclk: 63.50 MHz Modeline "1024x768_60.00" 63.50 1024 1072 1176 1328 768 771 775 798 -hsync +vsync
xrandr --newmode "1024x768_60.00" 63.50 1024 1072 1176 1328 768 771 775 798 -hsync +vsync xrandr --addmode DVI-0 "1024x768_60.00" xrandr --output DVI-0 --mode "1024x768_60.00"
<html> | |
<head> | |
<meta name="viewport" content="width=device-width" /> | |
<title>Schalter</title> | |
</head> | |
GPIO 23 schalten: | |
<form method="get" action="pool.php"> | |
<input type="submit" value="Licht ein" name="Lichtein"> | |
<input type="submit" value="Licht aus" name="Lichtaus"> | |
</form> | |
<?php | |
$modeon18 = exec("gpio mode 23 out"); | |
if(isset($_GET["Lichtein"])){ | |
$val = exec("gpio write 23 1"); | |
echo "Licht an"; | |
} | |
else if(isset($_GET["Lichtaus"])){ | |
$val = exec("gpio write 23 0"); | |
echo "Licht aus"; | |
} | |
echo "<hr/>"; | |
$val = exec("gpio read 23"); | |
echo " gpio23 = $val "; | |
echo " <hr />" | |
?> | |
</body> | |
</html> |
define('FS_METHOD','direct');
chown www-data:www-data wordpress -R
Apache, php installieren und testen:
sudo apt install apache2 php
libapache2-mod-php -y
sudo service apache2 restart
cd /var/www/html/ create index.php:
<?php echo "hello world"; ?> <?php echo date('Y-m-d H:i:s'); ?> <?php phpinfo(); ?>
mysql installieren
sudo apt install mysql-server php-mysql
phpmyadmin -ysudo wget http://wordpress.org/latest.tar.gz sudo tar xzf latest.tar.gz
=> test localhost/wordpress Directory sollte etwas anzeigen
sudo chown -R www-data: .
sudo mysql_secure_installation
Datenbank anlegen
sudo mysql -uroot -p
create database wordpress;
GRANT ALL PRIVILEGES ON wordpress.* TO 'root'@'localhost' IDENTIFIED BY 'PASSWORD';
FLUSH PRIVILEGES;
Exit the MariaDB database management tool with Ctrl + D.
Wordpress installieren
initial Seite wordpress aufrufen und db daten eingeben