Knowledgebase von Gerald Allerstorfer
Ubuntu 18.04 is using systemd-resolved, see man resolved.conf for more information. vi /etc/systemd/resolved.conf [Resolve] # Space separated list of IPv4 and IPv6 addresses DNS=127.0.0.1 service systemd-resolved restart resolv.conf is a
Weiterlesenvi /etc/bind/named.conf logging { channel query { file „/var/log/bind9/query.log“ versions 2 size 1m; print-time yes; // Set the severity to dynamic to see all the debug messages severity info; };
WeiterlesenDas SMTP Banner zeigt normalerweise die Version des installierten Mailservers an. Check SMTP Banner echo QUIT|nc mail.mydomain.xx 25 Fake SMTP Banner Postfix vi /etc/postfix/main.cf smtpd_banner = $myhostname Miggrosoft ESMTP MAIL
WeiterlesenHow to install and configure UFW on Ubuntu. Download and install UFW apt update && apt upgrade && apt -y install ufw Status ufw status Status: inactive Open ports ufw
Weiterlesena2enmod deflate service apache2 restart Add the following lines to .htaccess # Deflate Compression by FileType <IfModule mod_deflate.c> AddOutputFilterByType DEFLATE text/plain AddOutputFilterByType DEFLATE text/html AddOutputFilterByType DEFLATE text/xml AddOutputFilterByType DEFLATE text/css
Weiterlesena2enmod expires headers service apache2 restart Add the following lines to .htaccess # Enable browser caching <IfModule mod_expires.c> ExpiresActive On ExpiresDefault „access plus 1 month“ ExpiresByType image/gif „access plus 1
Weiterlesenvi /etc/profile Einfügen # Prompt einfärben ############################### if [ $( id -u ) -gt 14 ]; then PS1=“^[[30;31;1m[\u@\h \t \W]\\$^[[m “ else PS1=“^[[30;31;1m[\u@\h \t \W]#^[[m “ fi ################################################## Achtung, das
WeiterlesenBoot without X systemctl set-default multi-user.target reboot startx Boot with X systemctl set-default graphical.target reboot Display default target systemctl get-default Set VGA resolution vi /etc/default/grub #GRUB_CMDLINE_LINUX_DEFAULT=“quiet splash“ GRUB_CMDLINE_LINUX_DEFAULT=“quiet splash vga=792″
WeiterlesenUm zu überprüfen, welche Raspbian-Version auf dem Raspberry Pi installiert ist, wird der Befehl cat /etc/os-release benutzt. cat /etc/os-release PRETTY_NAME=“Raspbian GNU/Linux 9 (stretch)“ NAME=“Raspbian GNU/Linux“ VERSION_ID=“9″ VERSION=“9 (stretch)“ ID=raspbian ID_LIKE=debian HOME_URL=“http://www.raspbian.org/“ SUPPORT_URL=“http://www.raspbian.org/RaspbianForums“
WeiterlesenThis manual is suitable for Ubuntu 18.04 and 16.04 server installation. rename network interfaceUbuntu 16.04 | Ubuntu 18.04 check DNS settings sudo without password disable AppArmor ssh permit root login & create
Weiterlesen