Boost website performance

install ab command sudo apt install apache2-utils ### configure /etc/sysctl.conf: # Uncomment the next line to enable TCP/IP SYN cookies # See # Note: This may impact IPv6 TCP sessions too net.ipv4.tcp_syncookies=0 # # fs.file-max = 6815744 […]

Crossroads load balance and fail over utility

Original description Crossroads is an open source load balance and fail over utility for TCP based services. It is a daemon running in user space, and features extensive configurability, polling of back ends using ‘wakeup calls’, detailed status reporting, ‘hooks’ […]

Spring security with kerberos

What is a keytab, and how do I use one? Introduction to Kerberos for Managers Crash Course to Kerberos Appendix D. Troubleshooting JAAS authentication with Kerberos KDC = Kerberos Key Distribution Center TGT = Ticket Granting Ticket TGS = […]

zoneminder # when already have mysql do: sudo systemctl start mysql sudo apt-get install zoneminder sudo chmod +r /etc/zm/zm.conf sudo chmod g+rw /etc/php/7.0/apache2/php.ini # edit /etc/php/7.0/apache2/php.ini date.timezone = Europe/Bucharest # create mysql user zmuser/zmpass and mysql schema zm # grant […]