I have posted about commands in the past. I am now ‘rebooting’ that post adding additional commands that I find useful. File Transfer: $ scp somefile.txt server:/tmp Secure copies somefile.txt to remote host /tmp folder $ scp sysadmin@server:/www/*.html /www/tmp Copies *.html files from remote host to current system /www/tmp folder $ scp -r sysadmin@server:/www /www/tmp […]
Tag: Linux
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My eth0 is now called eno16777736
Interesting and new to me is that my network interface which was known to be called eth0 is now called eno16777736 in my new installs. The following document indicates that 16777736 is the device’s acpi_index as provided by the firmware (BIOS/EFI) This seems to happen on my VMware hosts where I’ve installed the latest Ubuntu OS releases. […]
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The su Command: Elevate Yourself
OS: Unix / Linux Often called the “Super User” command. The su (short for substitute user) command makes it possible to change a login session’s owner without the owner having to first log out of that session. Although su can be used to change the ownership of a session to any user, it is most commonly […]
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TunnelBear – Simple, Private and Free
TunnelBear has just launched a Chrome extension that helps to protect your privacy on a Chromebook, Android, iPhone, iPad, PC & Mac TunnelBear is a Canadian company famous for making super easy to use privacy tools. They specialize in VPN services that allow your phone and computers to be secure when using public WiFi hotspots. […]
Its Pi day – Saturday, March 14 is Pi Day 2015 Why not do something cool in Linux like generate pi to a given number of decimal places. This can be done by using the tool bc (Bench Calculator) which is installed in most Linux distributions I have used. The following command will calculate π to 10 decimal […]
One of my new kids on the block asked me a question tonight; “Jermal, how do I get the mx record of a domain?” To retrieve mx record information we need to use a tool called nslookup which is available in Windows and Linux The quick syntax use is nslookup [-option] [hostname] [server] Example of […]