iptables block/drop ip range
How to block/drop an ip range with iptables: I get a few fail2ban ssh mails everyday from just bergdorf network. So i wanted to block the whole ip block 91.224.160.XXX. iptables -A INPUT -s 91.224.160.0/24 -j DROP
Linux
Webserver, Datenbanken, Mailserver, Verschlüsselung
nginx and hhvm under debian 8.6 jessie
Install nginx from the official sources apt-get install nginx Install hhvm from the hhvm.com sources wget -O – http://dl.hhvm.com/conf/hhvm.gpg.key | apt-key add – echo deb http://dl.hhvm.com/debian jessie main > /etc/apt/sources.list.d/hhvm.list apt-get update apt-get install hhvm Create the hhvm.conf in the
enable slow query log in mysql
How to enable slow query log in mysql – aktivieren – bad performance logging mysql -uroot -pset global slow_query_log =’ON‘;set global log_queries_not_using_indexes =’ON‘;set global slow_query_log_file =’/var/log/mysql/slow-query.log‘;set global long_query_time = 5; show variables like ‚%slow%‘; /etc/init.d/mysql restart tailf -n 100 /var/log/mysql/slow-query.log
nginx – running but not working
today my nginx webserver didn’t worked. It was running but not responding. nginx -t said that the configs were ok but in netstat the port 80 and 443 didn’t appear. Solution I restored the complete nginx folder from a backup
shopware – ioncube loader installation under debian
How to install ioncube loader under debian for shopware: cd /tmp wget http://downloads3.ioncube.com/loader_downloads/ioncube_loaders_lin_x86-64.tar.gz tar xfv ioncube_loaders_lin_x86-64.tar.gz cp -r ioncube /usr/local/ nano /etc/php5/apache2/php.ini #at the top of the file before PHP zend_extension = /usr/local/ioncube/ioncube_loader_lin_5.6.so /etc/init.d/apache2 restart
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Wireshark – Filter just the DHCP Traffic
How can you filter just the DHCP Traffic with the Software Wireshark? Here is the filter: bootp.option.type == 53
VLC – Bild flackert/ruckelt unter Linux
Unter VLC haben alle meine Filme geflackert und geruckelt. Die Quelldatei konnte ich ausschließen, da es mit anderen Playern funktionierte. Lösung: Werkzeuge -> Einstellungen -> Video -> Anzeige -> Ausgabe -> von Automatisch auf X11-Videoausgabe (XCB) stellen Schon sollte VLC
GTX 760 Linux Driver (nvidia-304)
I had trouble to find the drivers for my gtx 760 under linux. After the installation of the drivers per nvidia’s official website i typed in my password and i landed on the same page again. Even the guest user
mount samba share with username
How to mount a samba share with a username: mount -t cifs -o username=mathias //192.168.2.130/md0_crypt /mnt/ In case you have issues with file persissions
Problem: SSH Login with different user key file
SSH Login Problem – User switching with su. Environment variables and SSH authorized_keys Scenario client – user mathias client – user root server – user root In the server authorized_keys i entered the key of the client mathias. I can
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