two factor authentification under ssh with google authenticator apt-get install libpam-google-authenticator root@mattionline:~# google-authenticator Do you want authentication tokens to be time-based (y/n) y Do you want me to update your „/root/.google_authenticator“ file (y/n) y Do you want to disallow multiple […]
mit ifconfig das interface herausfinden (inet, netmask, broadcast) tshark -n -i vtnet0 -a filesize:100000 -b files:3 -w wantrace.pcapng # -n disable network object name resolution (hostnames statt ips) # -i capture interface # -a stop writing to a capture file
pfsense – tcpdump/tshark ringbuffer/ringpuffer Weiterlesen »
Folgende Fehlermeldung: ERR Unable to run „sudo -u www-data /usr/bin/zmdc.pl check“, output is „“ Lösung chown root:www-data /etc/zm/zm.conf /etc/init.d/zoneminder restart
Grafana/Graphite doesn’t show any data points after the past 24 hours / 1 day. My problem was the retention configuration in carbon. You can find it under: /etc/carbon/storage-schemas.conf In this file you can declare the timespan configuration.You can set how
Show linux network traffic with iftop. With this tool you can check easily if the traffic is running over a proxy for example. apt-get install iftop sudo iftop
just add >/dev/null 2>&1 to yout cron command to receive no mail after the execution. 00 00 * * * root cd && ./dbbackup.sh >/dev/null 2>&1
Anleitung für PHP-FPM: Speicherort der Sessions auf dem Dateisystem ändern. nano /etc/php5/fpm/php.ini session.save_path = „/var/www/tmp“ root@mattionline:/var/www/tmp# ls -latotal 12drwxr-xr-x 2 mattionline mattionline 4096 Jul 8 09:51 .drwxrwxrwx 20 skins skins 4096 Jul 8 09:48 ..-rw——- 1 mattionline mattionline 40 Jul
HSTS stands for http strict transport security. This means that if you go to a website over http the browser recognizes that this website is available in ssl encryption (https). then the browser directly enforces the https connection without sending any kind
How to create a LUKS Headerbackup of your crypted devices: get a list of all crypto_luks devices lsblk –fs cryptsetup luksHeaderBackup /dev/sda3 –header-backup-file headerbackup_sda3.luks cryptsetup luksHeaderBackup /dev/md0 –header-backup-file headerbackup_md0.luks
You can hide the client/sender ip and the user agent in the postfix main.cf Thats the way you do it nano /etc/postfix/main.cf smtp_header_checks = pcre:/etc/postfix/smtp_header_checks nano /etc/postfix/smtp_header_checks /^Received:.*with ESMTPSA/ IGNORE /etc/init.d/postfix restart Before The whole client ip was displayed. Received: