How To Empty the Cache in Prometheus Using Curl

Author: , May 7th, 2020

I wanted to empty the time series data cache from the Prometheus server to start clean. The best practice is to use the administrative HTTP API via curl. For example, to clear all data for job mysqld as defined in the prometheus.yml configuration file:

If you want to delete ALL data from Prometheus, then […]

How to Remove Skype for Mac

Author: , March 27th, 2020

Quit Skype From your Applications folder, drag the Skype icon into the Trash In the top Finder menu, select Go -> Go to Folder… or press Shift-Command-G to bring up the “Go to the folder” prompt Open ~/Library/Application Support and drag “Skype Helper” to the Trash Open ~/Library/Application Support/Microsoft and drag “Skype for Desktop” to […]

How To Delete Lines Using PERL Edit In Place

Author: , March 23rd, 2020

Using PERL, we can easily do a search and replace across multiple files. perl -ni -w -e ‘print unless m/^gdb\d+/;’ yourFileSpec

How To Remove the MacOS Quarantine Extended File Attribute for an Entire Directory Tree

Author: , November 24th, 2019

xattr -r -d com.apple.quarantine {dirname} ~or~ xattr -r -d com.apple.quarantine *

Host to Delete a Specific Email in Postfix on Linux

Author: , September 14th, 2017

root@outbound:/var/log # postqueue -p -Queue ID- –Size– —-Arrival Time—- -Sender/Recipient——- 593E2FC69D 3970 Tue Sep 12 23:15:36 MAILER-DAEMON (connect to yourDomain.com[10.10.10.10]:25: Connection timed out) yourUser@yourDomain.com — 4 Kbytes in 1 Request. root@outbound:/var/log # postsuper -d 593E2FC69D postsuper: 593E2FC69D: removed postsuper: Deleted: 1 message root@outbound:/var/log # postqueue -p Mail queue is empty

How To Delete Blank Lines Using vim

Author: , June 19th, 2014

How To Remove 802.1X Profiles in MacOSX Lion

Author: , August 22nd, 2013

In Terminal:

Then reboot. YMMV… This is why I am so upset with Apple these days – they constantly “dumb-down” MacOSX, removing features to “protect” the innocent public from harming themselves with the click of a mouse. Perfectly reasonable advanced features that existed in 10.6.8 are no-where to be found in 10.7 Lion (bad) […]

How To Empty the Email Queue in Postfix

Author: , July 11th, 2013

postsuper -d ALL

How To Delete a Single Deferred Email in Postfix

Author: , January 6th, 2013

To view the Postfix deferred queue: postqueue -p To view a specific email: postcat -q {Queue ID} To delete a specific email: postsuper -d {Queue ID} Example of viewing the deferred queue and deleting a message: # postqueue -p -Queue ID- –Size– —-Arrival Time—- -Sender/Recipient——- E15B9FC221 11627 Sun Jan 6 16:47:29 MAILER-DAEMON (connect to sight.mlorol.com[46.249.46.181]: […]

How To Delete a Branch from a Remote Repo in GIT

Author: , November 21st, 2012

Do it locally:

Deleted branch yourBranchName (was 340c10d). Do it remotely, and please note the : below! (replace origin with your repo, if different)

To git.yourServer.com:/repos/yourProject.git – [deleted] yourBranchName