I have multiple gateways configured on my Linux or Unix based router. How do I ping through a specific interface of the gateway? How can I ping using a particular source IP address?
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How do I monitor disk I/O latency in real time on Linux, FreeBSD, OpenBSD, and MacOS operating system?
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I wanted to see if a specific port of a desktop computer or server is open from a Linux or Unix command line shell. How do I ping a specific port? Is it possible possible to ping an 192.168.1.254:80 or 192.168.1.254:23 ports?
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I work form home, and I need to login into our corporate network (Microsoft based PPTP server) using a pptp based vpn. How do I configure and setup up a PPTP VPN client under OpenBSD desktop / laptop or router / server operating systems?
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The following question was asked in the Unix networking exam:
How do you speed up ping and traceroute command responses under Unix or Linux operating systems?
How can I speed up my ping or traceroute commands on a Linux?
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I work form home, and I need to login into our corporate network using a pptp based vpn. How do I configure and setup up a PPTP VPN client under FreeBSD desktop / laptop or server operating systems?
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When I try to ping other UNIX / Linux / BSD or MS-Windows servers in our network I get the following message:
TTL Expired In Transit
How do I fix this problem?
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