Introduction: Theses procedures are for creating a SUB Stick to install Mac OS X Mojave completely fresh(Not meant for upgrades) Prerequisites: Make sure you have an empty min. 8GB USB Stick available. This USB Stick will be completely erased and filled with the Mac OS X Mojave installation software. Steps: Get the Mac OS X …
Category: MAC OS X
Mac hardware and softwaer tweeks in order to get what we want out of MAC.
Resetting a user Password in OSX
This is a Hack that is quite dangerous if you have lost your Mac and someone is trying to use your account and its content. On the other hand it is very useful if you have forgotten your password.Important Note: If your Mac OSX password is tied to the Apple iCloud account then this trick …
Disabling Apple SIP Protection
Introduction: SIP protection defined by Apple as “technology in OS X El Capitan and later that’s designed to help prevent potentially malicious software from modifying protected files and folders.” It locks down the system extensions folder which makes it so driver applications like ours cannot write to that folder unless you disable SIP protection. For …
SSH doesn’t accept my key since upgrade Mac OS X to Sierra
Introduction: I have two MacBooks. One that still has Mavericks OS X and one that I just upgrade to Sierra OS X. Since the upgrade I can’t connect via SSH to one of my Linux servers using the RSA/DSA Keys any more. It always asks for a password. After adding the ‘-v’ option to the …
Making a PC bootable USB stick using an .iso file on MAC
Introduction: Although Mac has been changed a lot since the days of Free-BSD it is still Unix and has lots of commands that are very compatible with the ones of its brother Linux. So here are the commands done in the Mac terminal which creates a bootable USB drive using an ISO file as the …
Extending SSD life expectancy by tuning Firefox
Introduction: If you are using Firefox and SSD drive(s) then according to this site: https://www.servethehome.com/firefox-is-eating-your-ssd-here-is-how-to-fix-it/ it is very recommended to make the small configuration change in Firefox to extend the life of your SSD. Reason: SSD Drives do have a lifespan depending on how many times we write to it. Therefore the function of regular …
Activating TRIM support for non-Apple SSDs
Introduction: For a long time since the SSDs have appeared on the market, Apple had as default disabled the TRIP support for the SSDs IF the SSD was not manufactured from Apple. Thad certainly didn’t quite pleased the Mac users who wanted to upgrade their Macs with a non-Apple SSD. The company Cindori has since …
Disable the ‘System Integrity Protection’ in Mac
Follow these steps: 1. Boot to Recovery OS by restarting your machine and holding down the Command and R keys at startup. 2. Launch Terminal from the Utilities menu. 3. Enter the following command: csrutil enable –without debug Reboot your computer.
Testing SSL Connections with SSLyze, Nmap or OpenSSL
Introduction: OpenSSL is a great tool to check SSL connections to servers. The difficulty here is when one want a full scan of all possible SSL Cyphers and protocols used by a server. That is where SSLyze comes in handy. This tool is a Python script which will scan the target host/port for SSL handshake …
Trouble installing an older version of MAC OS X
Introduction: You downloaded Yosemite or El Capitan Mac OS X and decided to install it a month or so later. As you start to install it and you get the error message: “This copy of the Install OS X Yosemite(El Capitan) application can’t be verified. It may have been corrupted or tampered with during downloading.” …
How to upgrade your Mac from a rotary(regular) hard disk to an SSD.
Introduction: Very often friends that have a Mac or PC tell me that they need to buy a new Mac/PC because the present one has become too slow. Generally these machines have no internal SSD installed as system hard disk. In this case I often recommend to install an SSD instead of buying a new …
How to create a USB stick bootable on OS X
This article is based on the following How-to in Ubuntu site: http://www.ubuntu.com/download/desktop/create-a-usb-stick-on-mac-osx We would encourage Mac users to download Ubuntu Desktop Edition by burning a CD. But if you prefer to use a USB stick, please follow the instructions below. Note: this procedure requires that you create an .img file from the .iso file you …
Resuming files copy after break with rsync
In my work, I often need to transfer large files from my MAC desktop to a Linux server in Internet. Since the Internet connection is often broken and changes IP, transferring of large files really can be difficult. That is where rsync come to the rescue by saving the already transferred part of the file …
Creating a Mavericks MAC OS X Install USB Stick
In order to install a OS X Mavericks completely fresh on a new hard disk from scratch, here are the recommended steps: 1 – Get the Install_OS_X_Mavericks.app from Apple in Internet. 2 – Create an OSX Mavericks Install USB stick from this APP 3 – Reformat the destination hard disk in Mac OS Extended (Journalled) …
HowTo Flush Linux dns cache
This article is bee extracted from the URL: http://www.inetdaemon.com/tutorials/internet/dns/servers/caching.shtml of which many thanks for posting the article. I extracted what I needed and posted it again here mostly for me as a reminder. HowTo: Flush nscd dns cache Nscd caches libc-issued requests to the Name Service. If retrieving NSS data is fairly expensive, nscd is …
Activating TRIM for SSDs on MAC OSX Lion
Did you just buy an SSD for your MAC running Lion and would like to get the best of it? A short explanation: In normal hard disks when a file or directory is been erased, in fact the space used by the file or directory is simply put back on the unused space list. Nothing …
VPN Server and clients HOW-TO
Hi Folks, there are a lot of VPN howtos out there and here I am making one more. Well if the format I’m putting it in helps for some of you to install your VPN, great. That is all I’m wishing for, and besides because I have a very short memory every time I discover …
Resetting the default screen resolution in MAC OS X 10.6.x (Snow Leopard)
Just as I thought that Mac was having it perfect in the area of screen resolution and detection, suddenly my MacBook Pro started to display a slightly zoommed-up screeen where I needed to bring the mouse to the edges of the screen to move it a bit and see the rest of the display. Tried …
Speeding up Firefox Browser
Google Chrome has now eclipsed Mozilla Firefox in the speed category. However, I still use Firefox as my main web browser because it is still better than Chrome in certain areas. But just recently, I tried a few tweaks that significantly improved the speed of Firefox making it a little bit snappier than the latest …
Solution to aslmanager process high CPU usage
Since the new migration of log files management from syslogd to aslmanager it is possible to encounter some problems regarding the high CPU usage by aslmanager process. One of the solution is to restart the aslmanager indexing by moving the logs in a temporary directory and restarting the syslogd/aslmanager service. Here are the commands: Stopping …
How to disable Spotlight in MAC OS X
If you’re like me, sometimes Spotlight has driving my MAC very hot with the process ‘mds’. To disable Spotlight do the following: open the Terminal app and run the following command: sudo mdutil -a -i off To turn it back on sudo mdutil -a -i on
aslmanager hangs with high cpu load
I’ve been looking for a solution against the periodic problem of having aslmanager use a high cpu load. As far as I could read in Google, many people think that it’s due to a curruption of the aslmanager database. So here is a solution that was suggested in a forum. Since my aslmanager process was …
Replacing the missing ‘tac’ command in MAC OS X
After looking into Fink Command and Porticus I could not find the GNU command ‘tac’ for writing bash scripts. So I found these replacements which works well from the following link (Thanks guys :-)) http://trac.osgeo.org/grass/ticket/181 Normal use of tac: …..| tac |……. Replacement Nr. 1 …..| awk ‘{print NR,$0}’ | sort -nr | sed ‘s/^[0-9]* …
ITerm German keyboard settings
Problem: aslmanager takes up to 99% CPU
Taken from: Here “So aslmanager is taking 99% and Console.app hangs when started. Why does aslmanager need 99% of CPU and 2+ GB footprint?” In past versions of Mac OS X, system and process log messages were received and managed by “syslogd” and the “syslog” utility. Under Mac OS X 10.5.6 Apple has included a …
Swap normal sleep to hibernating when told to sleep
Keyboard problems with Parallels
Using iTERM – The best terminal program for Linuxers
Configuration file: The full Config Plist is ~/Library/Preferences/com.googlecode.iterm2.plist it seem that it may be used to store the defaults values at startup, but the main one is the first one. Modifying/replacing the configuration file: Preferences are cached in 10.9. See http://hints.macworld.com/article.php?story=20130908042828630. If you edit a plist file directly or replace the plist of an application, …
Making an OS X Volume Bootable
INFO: When MAC boots it looks into its whatever to findout if a directory was ‘blessed’ which means that this directory would be used to fetch the bootloader from. Normally the file boot.efi should be there and it will be used to boot the system. Boot from DVD, start a terminal and run this command: …
Creating an ISO file from a CD/DVD
1. Insert CD/DVD source 2. Fire up a Terminal, you can then determine the device that is you CD/DVD drive using the following command: 3. Umount the disk with the following command: 4. Create the ISO file with the dd utility (may take some time): 5. Test the ISO image by mounting the new file …