Entries Categorized as 'How-To’s'
Author:
erics, May 10th, 2019
I was getting rsync errors from one source host: 1 2 Corrupted MAC on input. Disconnecting: Packet corrupt Corrupted MAC on input. Disconnecting: Packet corrupt Finally tracked it down to the application “Little Snitch”. Needed to fully uninstall it and reboot to get the problem solved.
Categories: How-To's, Technology Tags: corrupt, Corrupted MAC on input, howto, Little Snitch, MacOS, macosx, Packet corrupt, rsync, Snitch, Snow Leopard, tips
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Author:
erics, April 16th, 2019
Problem: Trying to run a yum -y update as root aborts with the following error: 1 2 3 4 5 The GPG keys listed for the "Percona-Release YUM repository – x86_64" repository are already installed but they are not correct for this package. Check that the correct key URLs are configured for this repository. […]
Categories: How-To's, Technology Tags: GPG, howto, key, Keys, Percona, percona-release, release, tips, update, Yum, yum update
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Author:
erics, March 18th, 2019
git log {path_and_file} git checkout {commit_hash} — {path_and_file} git checkout 8c7eae3f518bb7fd98eb6e8344270f02065d83ee — myFile.txt
Categories: How-To's, Technology Tags: Checkout, commit, git, recover, Restore, Revert, specific
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Author:
erics, February 16th, 2019
As of Mac OS X Lion 10.7, Terminal provides Services for opening a new terminal window or tab at the selected folder in Finder. They also work with absolute pathnames selected in text (in any application). You can enable these services with System Preferences > Keyboard > Keyboard Shortcuts > Services. Look for “New Terminal […]
Categories: How-To's, Technology Tags: apple, Finder, howto, Keyboard, MacOS, macosx, Menu, Mojave, Open, Services, Terminal, tips, window
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Author:
erics, February 4th, 2019
Use the ssh-keygen command on a computer to which you’ve downloaded your private key .pem file; for example: First, ensure permissions will allow ssh-keygen to work: chmod 600 /path/to/the/file/your-key-pair.pem Then generate an RSA public key: ssh-keygen -y -f /path/to/the/file/your-key-pair.pem > your-key-pair.pub
Categories: How-To's, Technology Tags: .pem, .pub, Amazon, apple, AWS, cli, howto, key, key-pair, KeyPair, Linux, Mac, MacOS, macosx, Pubkey, public, Public Key, ssh-keygen, tips
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Author:
erics, January 11th, 2019
In the normal vim mode, typing gg=G will reindent the entire file. == will re-indent just the current line. http://vim.wikia.com/wiki/Fix_indentation
Categories: How-To's, Technology Tags: Auto-indent, Format, howto, Indent, perl, re-indent, Reformat, tips, vi, vim
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Author:
erics, December 20th, 2018
1 2 3 4 5 6 7 8 // include custom jQuery function wyz_include_custom_jquery() { wp_deregister_script(’jquery’); wp_enqueue_script(’jquery’, ‘https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js’, array(), null, true); } add_action(’wp_enqueue_scripts’, ‘wyz_include_custom_jquery’); // include custom jQuery function wyz_include_custom_jquery() { wp_deregister_script(‘jquery’); wp_enqueue_script(‘jquery’, ‘https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js’, array(), null, true); } add_action(‘wp_enqueue_scripts’, ‘wyz_include_custom_jquery’);
Categories: How-To's, Technology Tags: add_action, howto, include, JQuery, Min, tips, WordPress, wp_deregister_script, wp_enqueue_script, wp_enqueue_scripts
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Author:
erics, December 2nd, 2018
mysqldump -u {yourUserNameHere} -p –no-data –compact {yourDatabaseHere}
Categories: How-To's, Technology Tags: create table, Database, howto, mysql, mysqldump, Structure, Table, tips
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Author:
erics, November 18th, 2018
I installed an old version of Adobe software on my new Mac and as usual, it installed some daemons that are undesirable. Here is how I got rid of them via the Terminal. Note: Adobe installs daemons in the user context, so do this as your regular user login, not as root. shell> launchctl list […]
Categories: How-To's, Technology Tags: Adobe, apple, daemon, Disable, howto, Kill, launchctl, MacOS, macosx, Shell, Stop, Terminal, tips, Unload
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Author:
erics, September 27th, 2018
There are many things to configure in Nagios, especially when using custom check commands. Recently I needed to configure all of the Continuent Clustering Nagios checks. Once setup on the database side, I wanted to confirm that everything was working. Basics: Run a Remote NRPE Check To test a remote NRPE client command from a […]
Categories: How-To's, Technology Tags: cli, Clustering, Command, Command line, Continuent, Disaster REcovery, DR, HA, High Availability, howto, mysql, nagios, NRPE, Test, tips
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