[Planetlab-users] install gcc and change TCP buffer size

[Aaron Klingaman]

Regarding the TCP buffer size, we do not allow users to change this 
value. If you were to be able to, it would affect all other users on the 
system as well.

Aaron
PlanetLab Operations

Dhiman Barman wrote:
> Hi,
>    I got two questions: 
>    
>   * How do I install gcc and vim ? 
>    yum -y install {vim,gcc} could not find the packages. 
> 
>   * I want to modify TCP buffer size as follows:
> 
>   $ su
>   $ echo 1000000000 > /proc/sys/net/core/wmem_max
>   bash: /proc/sys/net/core/wmem_max: Operation not permitted
> 
>   How to overwrite the default values ?
> 
>   
> Thanks,
> Dhiman
>