Some of the best Useful Linux commands

Useful commands for the Linux command line This short guide shows some important commands for your daily work on the Linux command line. arch Outputs the processor architecture. $ arch i686 cat Outputs the contents of a file. $ cat lorem.txt Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut(…)

Checklist for SQL mail configuration

You must have a mail client (such as Microsoft Outlook) installed on the computer that runs SQL Server. Use the Corporate or Workgroup option for Microsoft Outlook 2000 (Microsoft Outlook 2002 does not have the Corporate or Workgroup option). To select the option, on the Tools menu, click Options, and then double-click the Mail Services(…)

How to configure or edit the connection timeout setting on the PIX/ASA

In order to change the global timeout setting for all connection with the CLI, refer to this command: asa(config)#timeout conn 01:00:00 This command can also change default timeout for several other connections, for example: xlate | conn | udp | icmp | rpc | h225 | h323 | mgcp | mgcp-pat | sip | sip-disconnect(…)

How to configure policy nat on ASA 5520

To gain access from one internal segment to the Demilitarized Zone (DMZ ), configure the Adaptive Security Appliance (ASA) for natting. To preserve the packet and assure that natting is bypassed, a no nat statement with an Access Control List (ACL) must be configured. This is performed when the administrator does not want natting to(…)

How to configure the PIX / ASA packet capture feature

The PIX/ASA can be configured in order to capture packet information like a sniffer that can be later viewed. There are two ways to do this. In order to capture the packets and later download them to view in ethereal (pcap format), complete these steps: Create an access-list in order to match the traffic. Apply(…)