I am busy changing the world

Okey, let's say you want to change nameserver preferences of about 25 Linux servers. You can do it one by one or take a breath and try SaltStack. 1. In your salt master, create a folder name dns ( /srv/salt/dns ) 2. In /srv/salt/dns/ create: * init.sls : /etc/resolv.conf:   file.managed:     - source: salt://dns/resolv.conf     - user: root     - group: root     - mode: 644     - template: jinja /etc/resolvconf/resolv.conf.d/original:   file.managed:     - source: salt://dns/original     - user: root     - group: root     - mode: 644     - template: jinja * resolv.conf : # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) #     DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN nameserver my.dns.server1 nameserver my.dns.server2 search my.domain.com * original : search my.domain.com nameserver...

A couple months ago when I was trying to made a responsive theme for my MindTouch wiki (dekiwiki opensourced version) using BootStrap, I broke the page-restriction functionality for some reasons. In details, It's the " Add to list " button. When I clicked it, the selected user/group did not appear under the " Permission list " list. After looking into the core for a while, I finally made it work again. Simply as following: 1. Open the special_pagerestrictions.php file (at /path/to/your/dekiwiki/deki/plugins/special_page/special_pagerestrictions/ ) using nano or any text editor you like 2. Modify this code block with the red line: var itemSelectHandler = function(sType, aArgs) {         var oAcInstance = aArgs[0];         var oData = aArgs[2];           if ( oData && oData[0] )         {                 oAcInstance._elTextbox.value = Deki.$.h...