4 articles Misc

Exim Mailqueue Monitoring Script

This script will count number of mails in queue and validate with threshold value. If it is more than it will send an email using thirdparty tool called SendEmail. One important point to note, that is we need to use SMTP hosted on other server. Thats why we are using SendEmail perl script. We need…

Steps to Install and Configure VerticaDB on Cloud

  Steps to Install and Configure VerticaDB on CentOS 6.x on Cloud: Vertica require Swap space. So if you dont have Swap on your cloud, you can still create by using below steps: It also require transparent_hugepage to be disabled and tuning of few more system parameters. It is better to add them in /etc/rc.local…

Making a Linux box as Simple router and Firewall

 Scenario:1 One Linux Box as a firewall having 2 Lan cards or 1 lan card and one internet modem connection.2. eth0 –> Connected to Broadband. IP is 192.168.1.2  in case of dialup it can be “ppp0”3. eth1 –> Connected to Local LAN IP is 192.168.2.1Note: In case of broadband your default gateway should be IP…