UNIX is both the underlying code and architecture that makes up Mac OS X / iOS as well as a way of interacting with a Mac using the terminal app, X11 app, and various shells like `bash` or `zsh`. Whether you're logging into a mac using `ssh`, using `mdfind` or `tmutil` or using other open source ...

learn more… | top users | synonyms (7)

31
votes
2answers
24k views

Unix “ln -s” command not permitted in OSX El Capitan Beta3

I was installing nodejs for Symphony and I don't know why happend this but i need to solve it. Anyone knows why? MacBook-Pro-de-XXX:~ XXX$ sudo ln -s /usr/local/bin/node /usr/bin/node ...
0
votes
1answer
20 views

Unfortunate deleting binary command file [duplicate]

I deleted "chmod" by mistake using "sudo rm chmod". What is the way to recover the chmod command? Is it 'a no way to do it' operation? I'm using Mac OS X Yosemite.
3
votes
1answer
309 views

Is it possible to get GNU sed for OSX?

I have brew installed but I don't have the GNU flavor of sed - can I get it through brew?
0
votes
0answers
30 views

How do you change the default route to a VPN?

I'm connected to the internet via a public unsecured WiFi router with address 192.168.1.1. I have an OpenVPN connection to a remote router who's LAN address is 192.168.2.1. After I connect, I get ...
-6
votes
2answers
102 views

How to display standard Linux libraries of OS X in terminal?

Platform: OS X: Yosemite 10.10.4; MacbookPro 15" Retina (mid-2015). I am new to OS X, I want to explore the underlying operating system and it's Linux components especially. Linux has standard ...
0
votes
1answer
91 views

Issue with burning Linux .iso file using Disk Utility

I'm trying to create a Linux installation drive. I have an empty hard drive (MS-DOS format), and I already dragged the .iso file to the sidebar in the Disk Utility app. However when I press it the ...
0
votes
1answer
49 views

Why BSD eval cannot run gtime?

I am considering this answer with GNU time which I installed by brew. data.txt hello amigo this line 3 and here we go 4 and 5 is here Code in BSD time time eval $(echo sed $(for i in 1 2 3 5; do ...
1
vote
2answers
134 views

How to use the flag -p of BSD split?

Manual -p pattern The file is split whenever an input line matches pattern, which is interpreted as an extended regular expression. The matching line will be the first ...
0
votes
0answers
145 views

Deleted 20GB using 'rm -rf <dir>' and 'df -k' has not changed (but 'du -k' is correct)

I was cleaning up old directories on my 256GB MBPro SSD mounted on /dev/disk1. At first df -k was showing the expected increased in available disk space on that Filesystem. However for the ...
0
votes
1answer
524 views

To install Busybox in OSX

I am thinking initramfs -filesystem in this thread. I run unsuccessfully brew search busybox and no including package in Google clearly. Busybox is included in Linux by default but not in OSX. ...
1
vote
0answers
207 views

iPod Nano 7 Gen: use without Windows and MacOS

I just got an iPod Nano 7gen ("iPod nano with Multi-Touch") for my birthday. I have only one laptop and it's running Linux (Ubuntu 15.04 but may move on to Debian), is there any way I can sync music ...
152
votes
3answers
83k views

What is the “rootless” feature in El Capitan, really?

I have just learned about the "Rootless" feature in El Capitan, and I am hearing things like "There is no root user", "Nothing can modify /System" and "The world will end because we can't get root". ...
1
vote
1answer
790 views

Good Linux distribution for Macbook Air and VirtualBox

I have seen many Linux distributions tried to be used in Macbook Air, for instance. One custom made of Redhat Linux is one successful port in VirtualBox but it is not public. However, I would like ...
2
votes
1answer
407 views

To install unbuffer in OSX

There is the terminal command unbuffer in Linux Redhat, for instance. I did not find it in homebrew. How can you install unbuffer in OSX Yosemite 10.10.3?
0
votes
0answers
154 views

Using Terminator on Mac

Is there a working solution (with steps) to have Terminator working on Mac? I know there is iTerm, but I like Terminator.
0
votes
1answer
364 views

Possible to build an IPA file on Linux/Window?

Is it possible to build an IPA file with XCode on a non-Mac OS like Windows or (preferably) Linux and preferably without the use of a VM? If yes, what is required to do so? I did do a basic search ...
1
vote
1answer
58 views

Default ubuntu to boot in startup manager causes ubuntu to not work anymore

I have installed ubuntu alongside os x. I can start it by pressing the option key during startup and choose the correct disk. Everything works. Now I want to default the ubuntu disk. That works by ...
0
votes
1answer
87 views

What is “sperion”?

I'm cleaning up my boot drive & have come across a unix executable file located @ /private/tmp/sperion about which I can't seem to find any information at all. What is "sperion"? This may be an ...
-2
votes
1answer
90 views

The Greatest Hassle of OS X

So after downloading lots of applications on my Mac in the past, I decided to get rid of some of these applications - and this is where I met some of the greatest hassles of using OS X, the processes ...
0
votes
0answers
235 views

Dual-booting Linux, cannot view images, some text or buttons

I was trying to boot 4 linux OSes (using rEFInd): Kali, Ubuntu, Mint and Elementary on my 2015 MPB. Both Kali and Ubuntu would not boot at all and Linux Mint and Elementary would boot however some ...
1
vote
1answer
159 views

macbook air sleep/wake problem after dual boot

I installed ubuntu on macbook air 6,2 (Early 2014 model) using these instructions https://help.ubuntu.com/community/MacBookAir6-2/Trusty Now whenever I put my mac on sleep (closing the lid) while ...
1
vote
1answer
992 views

How to boot Linux from Mac using rEFInd

I have successfully installed rEFInd on my MacBook Pro 2015 so I can boot into Linux however I cannot seem to boot into it. Here are my issues (both with Ubuntu 64x Mac CD and Kali Linux 64x USB). ...
0
votes
0answers
774 views

OS X equivalent of linux /proc dir

I am thinking about running dstat on Mac. But some of the locations of data are different from Linux: notice the /proc/stat: Module dstat_cpu24 failed to load. (Cannot open file /proc/stat) Module ...
1
vote
1answer
492 views

Install rEFInd on another partition

I recently tried to install rEFInd onto my Mac but it could not boot into the Ubuntu disk. To uninstall It I formatted my drive and reinstalled OS X along with my backup. To avoid this issue again I ...
1
vote
2answers
673 views

Is it possible to have IOS simulator in my Linux Mint?

I need to have iOS simulator for my Linux Mint OS to check my website responsive in various iOS devices is this possible as I know this feature is available in almost all Macs but I cannot afford a ...
0
votes
1answer
57 views

How to port this *nix-shell script to OS X?

I've got a unix-shell script that's supposed to work on nix machines. This doesn't run on OS X however, due to "cp" command not defined. Changing it to "copy" didn't help. git log -1 ...
0
votes
0answers
26 views

Reduce the backup from Linux configured TimeMachine

I have created Time Machine server on CentOS and forgotten to set size limit to backup. Now I want to set the limit to 700G but my backup already 800G. Can I reduce the backup without deleting it ...
2
votes
2answers
398 views

How can I repair EFI?

The computer is a MacBook Air. I have OSX Yosemite and Linux Ubuntu 14.04 dual boot. I messed up and damaged my Mac EFI and hence OSX ceased to work. Recovery disk was destoyed too. FileVault is on ...
-1
votes
1answer
531 views

Kali Linux on Macbook

I have a question about kali linux on an Apple Macbook Pro running in Parallels. After giving the command sudo airmon-ng in terminal, it shows no interface. Does anybody know what to do or is it ...
0
votes
1answer
765 views

Reclaim hard drive space from deleted partition and reclaim Apple bootloader

I had my system dual-booted with Ubuntu 14.04. However, I found myself not using it enough to warrant the storage space. I deleted the ubuntu partition and the ubuntu swap partition. However, am now ...
1
vote
1answer
264 views

Issues with /usr/lib/libcups.2.dylib. x86 applications will not execute

I upgraded CUPS from 2.0.0 to 2.0.2 on OS X 10.10.4 Yosemite for security reasons per advisement from a Nessus scan. I committed the cardinal sin of not backing up my OS before making this change. ...
0
votes
0answers
288 views

Screen Sharing to Ubuntu 14.04 server with Lubuntu Desktop - one-way clipboard

I've seen other questions around this topic - e.g. this - but none of them cover exactly what I'm seeing. I'm using my MacBook Air with Yosemite 10.10.3 to connect to a TightVnc 1.3.9-6.4ubuntu1 ...
0
votes
2answers
538 views

how do i remove Ubuntu from my macbook? [closed]

i just bought a Macbook from someone off of Craigslist but it has Ubuntu software on it, but I want the regular Apple OS. how do I remove Ubuntu without damaging the computer and its files?
0
votes
0answers
296 views

Can't find music transferred from RhythmBox (Ubuntu PC) to iPhone

I've transferred a single song to my iPhone 5 through RhythmBox from my Ubuntu PC, however, when I open the "Music" app, it's not showing there. But in RhythmBox, it does show it's present. ...
1
vote
3answers
789 views

I want to backup my Mac partition, including the OS, so that I can use the backup to restore my hard drive to its current state

I want to dual-boot Ubuntu (14.04) of my Mac running OS X 10.10.3. I want to make sure that I can use my backup to fix any issues I might have dual-booting. I have a bootable USB with Ubuntu on it, ...
0
votes
1answer
172 views

Migrating from Linux (Ubuntu, CentOS) to OS X (dev environment)

I'm about to migrate from Linux to OS X and I wonder if will encounter issues with development, as I probably will need lots of packages which are available in apt, yum package management systems. How ...
0
votes
1answer
82 views

How to install OS X again with no access to a recovery partition?

I have a Mac running Fedora with no recovery partition and no access to any computer with Mac OS X. How can I reinstall OS X on this computer?
0
votes
1answer
126 views

Key to boot from USB on Ubuntu Macbook 2007

I recently installed Ubuntu 14.10 on my 2007 Macbook. I need OS X back. I burned OS X Lion (10.7) to a USB, now what?
2
votes
1answer
118 views

Can Startup Manager be used to boot Linux operating systems?

This is a pretty simple question and I'm thinking the answer is no, but can Mac's Startup Manager be used to boot Linux based operating systems? I'll probably end up installing a tool like rEFInd ...
-4
votes
2answers
763 views

How to create a bootable Ubuntu USB stick using OS X 10.10.2

I have downloaded the ubuntu-14.04.2-desktop-amd64.iso. How do I create a bootable Ubuntu USB stick using my Macbook Air which is running OS X 10.10.2? I cannot create a bootable CD, since the Air is ...
-1
votes
1answer
129 views

Key to boot from USB on Ubuntu MacBook Air

Recently, I removed OS X from my MacBook Air and installed Ubuntu 14.04 on it. I have been trying to install Debian during last week, but I don't have idea what's the key to enter into 'BIOS boot ...
0
votes
0answers
70 views

Show UNIX directories in Finder?

I want to know how to show the UNIX directories (/usr, /etc, /dev, ...) in the Finder, but not all the files starting with a '.' (Basically everything you see when you ls /) Everything I've found on ...
1
vote
1answer
47 views

Why do I need tuntap for HideMyAss?

I want to install HideMyAss VPN software, but after login they suggest to me to install the tuntap driver. The software worked before, but lately they want to install extra kernel extensions? My ...
1
vote
1answer
341 views

Partition SSD in Yosemite for Dual-Booting Ubuntu

I've just bought a new Macbook Air (running Yosemite) and I am trying to create a partition from my Macintosh HD SSD for dual-booting Ubuntu. However when I try to create a partition in Disk ...
1
vote
3answers
2k views

Recover corrupted Mac HFS+ drive (image) under Linux

I'm trying to recover an apparently corrupted disk. It appears that through improper shutdown the drive has been somehow killed. It's the main partition of a Macbook Pro. I've used dd to copy the ...
1
vote
2answers
308 views

Create a live USB for Linux Derivation

I want to create a live USB to run a Linux derivation and followed these guides: Make and create Live USB Linux for Mac? How? Making a Bootable USB Stick on an Apple Mac OS X from an ISO ...
0
votes
1answer
351 views

Syntax error: No operation specified when trying to resize Ubuntu VM

I'm trying to expand the hard drive of my Ubuntu VM in VirtualBox from my Macbook Air terminal. But when I type in VBoxManage modifyhd <uuid>|~/VirtualBox VMs/Ubuntu/Ubuntu.vdi --resize 20000 ...
0
votes
0answers
93 views

Remove ubuntu on macbook

I just inherited an old macbook a1226 The os is single Linux 1.99-ubuntu3.10 It is broken (os) for some reason I'd like to restore IT some sort of OS X native os installed onto IT. I have tried ...
0
votes
1answer
321 views

How can use ssh to connect to my university network over VPN

I am still a beginner with using terminal. I am trying to ssh from my mac at home to a linux at my university. I am using VPN to connect to the network. When I ping the IP address of the computer I ...
1
vote
1answer
2k views

What is the recommended partition scheme for mac os x?

I did a clean install of yosemite on my MacBook Pro. I have not partitioned my hard drive and have left everything by default. I would however like to use the recommended schematic for Linux systems ...