3 FAQ tagged "pipes"

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Linux: Find my IP address using Perl at a shell prompt
Q. How do I find out my IP address assigned to eth0 or ra0 interface using perl?
A. If you need to know the IP address of the UNIX / Linux machine you are running on, use the following perl one liner. Perl don’t have any inbuilt facility but combination of ifconfig command ans shell pipes [...]
Linux: Display rpm package architecture
Q. I’m using CentOS on 64 bit Linux. How do I find out rpm package architecture before installation such as i386 or x86_64 bit?
A. Almost each rpm package has i386 or x86_64 added to file extension. However some time you may see filename such as file-version.rpm. You can list all installed rpm packages with rpm [...]
Howto: Use tar command through network over ssh session
Q. How do I use tar command over secure ssh session?
A. The GNU version of the tar archiving utility (and other old version of tar) can be use through network over ssh session. Do not use telnet command, it is insecure. You can use Unix/Linux pipes to create actives. Following command backups /wwwdata directory [...]

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