-
Archives
- January 2020
- May 2019
- April 2019
- March 2019
- February 2019
- December 2018
- November 2018
- October 2018
- September 2018
- August 2018
- May 2018
- April 2018
- March 2018
- February 2018
- January 2018
- December 2017
- November 2017
- October 2017
- September 2017
- August 2017
- June 2017
- May 2017
- April 2017
- March 2017
- February 2017
- January 2017
- December 2016
- November 2016
- October 2016
- September 2016
- August 2016
- July 2016
- June 2016
- May 2016
- March 2016
- February 2016
- January 2016
- December 2015
- November 2015
- October 2015
- September 2015
- August 2015
- September 2014
- August 2014
- June 2014
- March 2014
- February 2014
- January 2014
- December 2013
- November 2013
- October 2013
- September 2013
- August 2013
- May 2013
- April 2013
- March 2013
- February 2013
- December 2012
- November 2012
- October 2012
- September 2012
- August 2012
- June 2012
- May 2012
- April 2012
- March 2012
- February 2012
- January 2012
- December 2011
- November 2011
- October 2011
- September 2011
- August 2011
- June 2011
- May 2011
- April 2011
- March 2011
- February 2011
- January 2011
- November 2010
- October 2010
- September 2010
- August 2010
- April 2010
- February 2010
- December 2009
- November 2009
- August 2009
- May 2009
- January 2009
- December 2008
- October 2008
- September 2008
- August 2008
- July 2008
- May 2008
- April 2008
- March 2008
- February 2008
- January 2008
- December 2007
- November 2007
- October 2007
- September 2007
- August 2007
- April 2007
- March 2007
- February 2007
- January 2007
- December 2006
- November 2006
- October 2006
- September 2006
- August 2006
- July 2006
- June 2006
- April 2006
- March 2006
- January 2006
- December 2005
- November 2005
- October 2005
- April 2004
Aikataulu – Linux palvelimet ict4tn021-3010 torstai aamu – alkukevät 2020 – 5 op
English: Learn to manage your own Linux server – in 8 weeks. Beginners welcome. Student feedback excellent 4.7 out of 5. Course is in Finnish.
Automatically Provision Vagrant Virtual Machines as Salt Slaves
Create a new, fully configured virtual computer in less than a minute. Keep configuration in version control. Manage trough configuration management system.
Posted in Uncategorized
Tagged bash, master-slave, provision, salt, script, vagrant
Comments Off on Automatically Provision Vagrant Virtual Machines as Salt Slaves
Hello World Python3, Bash, C, C++, Go, Lua, Ruby, Java – Programming Languages on Ubuntu 18.04
Hello world! All programs start with a hello world. It tests that your environment is working, so that you can run your code. This is how you install and run the most important languages on Linux: Python 3, Bash, C, … Continue reading
CPU Usage Percent – Python One-Liner for Load Average per CPU
Processor usage is 88%. But how do I get a number like this? For gurus, this Python one-liner prints CPU usage $ python3 -c “print(‘{:.0f}%’.format( float(‘$(cat /proc/loadavg)’.split()[0]) / float(‘$(nproc)’)*100 ) )” 12% The rest of us can read on how … Continue reading
Send Email with HTTP API – curl, ctrl-X E and Sendgrid API
Use interactive console and HTTP requests to access APIs. Here is an example of automatic mail sending with SendGrid and curl.
Short Bash prompt – export PS1="\W\$ "
You can have a nice, deep directory stucture – and still keep your prompt short and tidy.
Posted in Uncategorized
Tagged bash, prompt, short
Comments Off on Short Bash prompt – export PS1="\W\$ "
Shell Scripting
Table of Contents Shell Scripting Hello world – lspwd See also Shell Scripting Shell scripting automates repeating actions. It is reliable, used in server startup scripts in Linux. It is fast to use, simply write the same commands as you … Continue reading
aboutusers
#!/bin/bash # aboutusers – print information about human users # (Actually a bash shell scripting example program) # (c) 2006-03-06 Tero Karvinen www.iki.fi/karvinen # GNU General Public License version 2 for DIR in /home/* do USER=$(basename $DIR); echo … Continue reading