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erics, December 2nd, 2019 Not pushed + most recent commit:
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git commit --amend |
Categories: How-To's, Technology amend, Change, git, howto, modify, tips
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erics, November 26th, 2019 To create indents with 4 space characters which are entered by pressing the TAB key:
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set tabstop=8 softtabstop=0 expandtab shiftwidth=4 smarttab |
To make the above settings permanent add to your ~/.vimrc file. For more details on any of these see :help ‘optionname’ in vim (e.g. :help ‘tabstop’) tabstop The width of a hard tabstop measured in “spaces” — effectively the […]
Categories: How-To's, Technology convert, expandtab, howto, shiftwidth, smarttab, softtabstop, Space, spaces, Tab, Tabs, tabstop, tips, vi, vim
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erics, November 24th, 2019 xattr -r -d com.apple.quarantine {dirname} ~or~ xattr -r -d com.apple.quarantine *
Categories: How-To's, Technology apple, attr, Attribute, Change, com.apple.quarantine, comacast, Delete, directory, howto, MacOS, macosx, Quarantine, Remove, Terminal, tips, Tree, xattr
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erics, November 19th, 2019 All credit to Graham Walters for this excellent plugin and post, upon which this post is based – thank you, sir! https://grahamwalters.me/lab/disable-wpautop-on-specific-postspages/ Recently, a client was having problems using a plugin called by a shortcode. As it turned out, the JavaScript embedded in the returned content was being broken by the WordPress auto-paragraph feature known […]
Categories: How-To's, Technology add_filter, Auto-Paragraph, autop, Disable, Filter, howto, Page, POST, Prevent, remove_filter, Stop, tips, turn off, WordPress, wpautop
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erics, November 19th, 2019 Normally, there is an option in the Screen Options menu to show or hide the Custom Fields tool. If this option is missing, you may have the plugin Advanced Custom Fields (ACF) version 5.5.13 or greater installed and active because ACF removes the Custom Fields tool to improve page load speed. If you do have […]
Categories: How-To's, Technology ACF, add_filter, Advanced Custom Fields, Custom, Custom Fields, Fields, Filter, functions.php, howto, meta, Settings, tips, WordPress, Wordpress Custom Fields
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erics, October 24th, 2019 All credit to Matt Wilcox for this excellent article, for which this post is based – thank you, Matt! https://mattwilcox.net/web-development/unexpected-ddos-blocking-china-with-ipset-and-iptables/ All commands run as root!
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yum install -y ipset vi blockchina (see below for contents) chmod 755 blockchina ./blockchina |
Do this once only:
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iptables -A INPUT -p tcp -m set --match-set china src -j DROP; service iptables save |
Then add blockchina to the root cron
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#!/bin/sh # # blockchina # DIR=/etc # Create the ipset list ipset -N china hash:net # remove any old list that might exist from previous runs of this script rm $DIR/cn.zone # Pull the latest IP set for China wget -P $DIR http://www.ipdeny.com/ipblocks/data/countries/cn.zone # Add each IP address from the downloaded list into the ipset 'china' for i in $(cat $DIR/cn.zone ); do ipset -A china $i; done # Update iptables service iptables restart |
Categories: How-To's, Technology Amazon, Amazon Linux, AWS, Block, China, DDOS, dos, Firewall, ipset, IPTables, Linux, root, traffic
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erics, October 9th, 2019 Use Case: Export Apple Reminders from MacOS application to cleaned plain text, i.e. remove unwanted spaces, blank lines and square brackets PROCEDURE Click on a single item in the MacOS Reminders app list Select All (either Command-a or use Edit->Select All) Copy (either Command-c or use Edit->Copy) Open Terminal Run cleanme Paste the copied reminders […]
Categories: How-To's, Technology apple, array, input, List, MacOS, Multi, Multi-line, Multiline, Multiple, perl, Plain, Plaintext, Read, Reminders, STDIN, Terminal, text()
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erics, October 3rd, 2019 To sync various cloud resources, use the excellent cli tool rclone from https://rclone.org/docs/ For this use case, the need was to sync from Box to an AWS S3 bucket. Install rclone:
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curl https://rclone.org/install.sh | sudo bash |
Configure both S3 and Box – for remote name labels I just used “S3” and “Box”:
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rclone config |
Validate Access and Functionality:
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rclone lsd Box: rclone lsd S3: |
Perform […]
Categories: How-To's, Technology Amazon, AWS, AWS S3, Box, Clone, rclone, rsync, S3, Sync
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erics, September 26th, 2019 Make It Faster: Improving MySQL Write Performance for Tungsten Cluster Slaves
Categories: Architecture, cctrl, Composite, Mastering Tungsten Clustering, Question HA, mysql, Performance, Performance Tuning, QA, Shell, Tungsten
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erics, September 12th, 2019 Needed to build a feature for a Bookstore tool to have an optional sequence number for the Custom Post Type “books” that would allow items with a seq number to float to the top of the list and be sorted by seq #. The rest of the books would show underneath, sorted alphabetically.
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$querytop = get_posts(array( 'post_type' => 'books', 'numberposts' => -1, 'orderby' => 'meta_value', 'meta_key' => 'book_seq', 'order' => 'ASC', 'meta_query' => array( // meta query takes an array of arrays, watch out for this! array( 'key' => 'book_seq', 'value' => array('', 'NULL'), 'compare' => 'NOT IN' ) ) )); $querybottom = get_posts(array( 'post_type' => 'books', 'numberposts' => -1, 'orderby' => 'post_title', 'order' => 'ASC', 'meta_query' => array( // meta query takes an array of arrays, watch out for this! array( 'key' => 'book_seq', 'compare' => 'NOT EXISTS' ) ) )); $query = array_merge($querytop, $querybottom); |
Categories: How-To's, Technology bottom, Compare, cpt, Exists, Filter, Float, get_posts, howto, key, meta_key, meta_value, NOT EXISTS, NOT IN, Order, OrderBy, post_type, Query, Seq, Sequence, sort, tips, top, Value, WordPress
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