Posts Tagged “tuning”

Custom Webserver/NodeJS sysctl.conf file.

Have updated and explanation in the conf file below.

Written on February 3, 2015
linux webserver nodejs performance tuning kernel sysctl


Creating server parameter sysctl.conf for WebServers / FTP Server.

sysctl is an interface that allows you to make changes to a running Linux kernel. With /etc/sysctl.conf you can configure various Linux networking and system settings such as:

  • Limit network-transmitted configuration for IPv4
  • Limit network-transmitted configuration for IPv6
  • Turn on execshield protection
  • Prevent against the common syn flood attack
  • Turn on source IP address verification
  • Prevents a cracker from using a spoofing attack against the IP address of the server.
  • Logs several types of suspicious packets, such as spoofed packets, source-routed packets, and redirects.
Written on February 3, 2015
linux webserver ftp-server kernel sysctl performance tuning


Hadoop `sysctl.conf` parameters.

Performace tuning Hadoop at kernel level. sysctl is an interface that allows you to make changes to a running Linux kernel. With /etc/sysctl.conf you can configure various Linux networking and system settings such as:

  • Limit network-transmitted configuration for IPv4
  • Limit network-transmitted configuration for IPv6
  • Turn on execshield protection
  • Prevent against the common syn flood attack
  • Turn on source IP address verification
  • Prevents a cracker from using a spoofing attack against the IP address of the server.
  • Logs several types of suspicious packets, such as spoofed packets, source-routed packets, and redirects.
Written on January 28, 2015
hadoop linux kernel sysctl performance tuning


Performance Tuning for `nginx`

Nginx (pronounced engine x) is a web server with a strong focus on high concurrency, performance and low memory usage. It can also act as a reverse proxy server for HTTP, HTTPS, SMTP, POP3, and IMAP protocols, as well as a load balancer and an HTTP cache.

Written on January 22, 2015
linux nginx performance tuning load-balancing