Category: Linux
Ways to check what SMTP server a Linux server is using
Quickest way to test is send yourself a blank email from the server, like so in terminal: mail -s "Test" address1@domain.com address2@domain.com < /dev/null Another way is and it will tell you what servers handle mail: host your_domain.com Hope this helps.
Create your own cross-platform backup server
Here’s an interesting read and how-to on LifeHacker.com showing you how to build a backup server that supports multiple OSes using Restore, which is open source and one that features a web admin-like page for backup management.
Learning Python, Linux, Java, Ruby and more with Tutorial Videos
I’m kicking off my Python journey once more, hopefully, now with depth. And came across this website – thanks to Anton Sipos – called ShowMeDo, that I believe can enhance your learning through videos. Take it easy.
Read a file with bash
I had to test our download servers at work right away, i.e., HTTP vs HTTPS, which required downloading a large number of files. A file list was given to me to work with, like so: /download/integrations/file1.exe/download/us/update/patch/file1.exe/download/us/cab/file1.exe So I decided to use the bash shell to read each line and run wget quick and dirty. Here’s the…
Run Linux apps on Windows or OS X with Lina
This month a California-based startup plans to release an application that will allow Windows, Mac, and Linux users to run Linux binaries without any modifications. Lina is a Linux virtual machine that allows users to run applications with the native look of their host operating system. It also lets you install applications with a mouse-click,…
VI global search and replace
In case you need to search and replace text globally within vi, here’s the command to do so: :1,$s/old/new vi is a free software screen-oriented text editor computer program written by Bill Joy in 1976 for an early BSD release. Peace! \m/