If you miss a network sniffer for your work or to learn about networks, the Ethereal is a good option.
On www.ethereal.com you find the software to download for Windows, Solaris and Linux e manuals to know how it works. Until some time ago there is not on YUM of Fedora and Centos, on Gentoo [...]
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In case you need to use emerge from Gentoo Linux or Yum from Fedora or CentOS by a proxy that not requires authentication just use the command below:
export http_proxy=ip_or_servers_name:port
If your proxy requires authentication use:
export http_proxy=”http://username:password@ip_or_servers_name:port”
If you use Gnome, version 2.18 or superior when set up Network Proxy [...]
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Very often, at least in Brazil, when your connection to the Internet is slow the problem is the DNS server of your ISP or broadband provider.
On OpenDNS.org you find instructions to set up your computer to theirs DNS servers. It’s amazing the change. My intermittent problems to access websites were gone.
For those that know [...]
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