Mac OS sudo without entering a password

When we perform many operations that require advanced permissions, we need to use sudo to execute as root, and the system will require you to enter the current admin password to The Ming. Although this is a necessary security policy, but on the

Mac OS 10.10 Downgrade 10.9 tutorial

Most of the Mac user upgrade after 10.10, a variety of small problems, some users say that the most headache is the PD can not be stable operation, of course, some people can still, but I do not, methods are used or the same crash. Last night

Introduction and Usage tutorial on Mac OS X Basics

Mac os X v10.5 "Leopard" is the most technically-level operating system that Apple has released so far, but don't let that scare you. Although it is true that the universe, but Leopard undoubtedly make you use Mac work easier, more convenient for

Mac OS x Tips

In the Finder for Mac OS X, you can use the Option key to minimize or close all windows. For example, now that the Finder has opened three windows, we can point at one of the windows of the yellow button, and at the same time while pressing Option

Mac OS x How the system displays the repository folder

1. Open Finder, then go to "personal" (icon is small House) folder, press the shortcut key Command + J to display the introduction. Then there is the option to display the Repository folder, which can be checked. 2, some friends found that

MAC OS x Developer prep work

After migrating to the Mac platform for Development, a series of preparatory work is needed to make our work smoother.1. Installing the Homebrew Package ManagerThe Apple system comes with a package manager, but it's not very useful. Now, the more

VM11 installing Mac OS X 10.10

Tools/Materials 1. VMware Workstation 11, 12 2. Unlocker 206 (for OS X plugin patch) 3. Mac OS X 10.10 Mirroring Method/Step There is a picture of the truth, haha First, download the above documents1. VM Baidu software

Allow Mac OS to use the alias of LL LA L and other LS

 The default ll under Linux is the alias of Ls-l.OS x is not supported by default.Accustomed to using LL under Linux, we can also move our habits to the shell under OS X.Then create a new. bash_profile file under the current user home

Mac OS Settings Rootpassword

I don't know how to forget the Rootpassword of Mac OS System.Method One:First, start the machine, press and hold the Apple and S keys on startup, and enter the system in single user mode. Input: Mount-uw/Then enter.Input: passwd short username

How to modify the Mac OS screen resolution in VMware

About Mac OS resolution issues:Method One: The temporary method, only for when the launch is valid, that is, when the countdown starts, enter, wait for the input parameter is the following text input:"Graphics Mode" = "[email protected]"Above

Mac os X 10.11 sudo instruction problem?

Laxatives, OS X El Capitan, introduced the rootless mechanism under the kernel, the following path:/system/bin/sbin/usr (except/usr/local)are in the rootless range, even if the root user cannot have write and execute permissions on this directory,

Mac OS system password is correct but not in system

Today began to re-study C but the first morning to boot into the system password is clearly correct without words, and later played Apple after the phone to solve the sale.Today's record how to solve, in case of this problem again, as for the reason

MAC OS x boot up path had bad permissions error solution

Recently in the installation of MongoDB encountered the above hint, in the domestic major web site to find solutions without fruit, so decisively check the foreign site, finally, in stackoveflow above found the answer.It's very simple, we've written

How Mac OS x installed under VMware modifies the display resolution

how Mac OS x installed under VMware modifies the display resolution i installed Apple's Mac OS under Win7 with VMware, and after the installation was successful, I found that the resolution was 1920*1080, and the resolution of the

MAC OS X Configuration IntelliJ idea + Tomcat solutions for permissions problems

The error message that appears is as follows:PM 9:11:27 all files is up-to-datePM 9:11:27 all files is up-to-datePM 9:11:27 Error Running Tomcat 8.0.18:cannot Run Program "/users/horse_leo/documents/apache-tomcat-8.0.18/bin/ Catalina.sh "(In

Build thrift environment under MAC OS X

1. OverviewThrift is a software framework for the development of extensible, cross-language services. It combines powerful software stacks and code production engines to build in C + +, Java, Python, PHP, Ruby, Erlang, Perl, Haskell, C #, Cocoa,

Build Python3 scientific computing environment in MAC OS X 10.9

Installing HomebrewUse Homebrew to manage Python versions. In Terminal/iterm2 input:$ ruby -e "$(curl -fsSL https://raw.github.com/Homebrew/homebrew/go/install)"If the previous system did not install Command line Tools, this time will also be

MAC OS X API Knowledge Excerpt

This paper collects and organizes information for various places on the Internet.Carbon and Cocoa,toolbox,posix,java are tied up as Mac OS x five main APIs.In contrast to cocoa, carbon is a non-object-oriented (procedural) programming language

Mac OS X El Capitan System Integrity Protection systems Integrity Protection (SIP)

Introduction: The previous time experienced the Xcode compiler code is injected into the event, this timeMac OS X ElCapitan system upgrade, enabling a higher security protection mechanism: System Integrity protection Systems IntegrityProtection (SIP)

Common Mac OS X settings

Common Mac OS X settingsShow the hidden folder. Enter defaults write com. In the command line. apple. finder AppleShowAllFiles YES Mac OS X 10.10.4 SSD TRIM function input: sudo trimforce enable NTFS read/write diskutil info/Volumes/volumeName in

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