Advertising

  • Exim: remove mails in queue from a particular sender.E
    5:15 PM

    “spams”, its one of the major issue that a sys admin has to deal with throughout his job.  First you need to find the user who is generating it. You can get it from the mail headers.  Once you find the user, disable the script that was responsible for spams, but it may have already

    Read more
  • OpenVZ network down SIOCADDRT: Network is unreachable
    5:15 PM

    Have you ever come across in a situation where the VPS is running, but network is unreachable?  OpenVZ VPS may be up and running, but network service will be down resulting downtime for websites hosted in it. If you try to restart the network, you will get the below error: ==================================== [root@pers ~]# /etc/init.d/network restart

    Read more
  • How to configure NAT with iptables on a VPS.
    5:15 PM

    NAT ( network-address-translation ) with iptables  helps us in how to select the packets we want to mangle. We can easily configure NAT on a OpenVZ VPS by following the below steps. Lets first consider a VPS in which NAT is not enabled. Trying to POSTROUTE from VPS throws you errors. iptables -t nat -A

    Read more

Powered by themekiller.com