The tail command has become unusably slow for large files (e.g. 1 GB text file). EXAMPLE: $ tail -265000 file.txt > last_265000.txt takes 10+ minutes, whereas $ head -265000 file.txt > first_265000.txt is basically instantaneous. My wor…
Lees meerI've noticed that macOS (Monterey) is showing an orange dot in the status bar that is attributed to Zoom. I understand that this is a new security and privacy feature in macOS indicating that an application is accessing the microphone. …
Lees meerI wanted to monitor handy temperature data like I did dozen times on Linux machines. No problem! I found a beautiful one-liner: sudo powermetrics --samplers smc | grep -i "CPU die temperature" and immediately have got the error powerme…
Lees meerI maintain regular backups of my systems: three (3) Macbook Pros, vintage 2011, 2016 & 2019. I use Time Machine for backups now, and I have so far been fortunate enough to not need to use a backup to restore a system. However, I feel th…
Lees meerLooks like that virtual interfaces created by Big Sur (and Monterey) do NOT allow static routes that do NOT match the network subnet set on the interface. My test setup is the following (both systems have IP forwarding enabled): VM wit…
Lees meerLooks like that virtual interfaces created by Big Sur (and Monterey) do NOT allow static routes that do NOT match the network subnet set on the interface. My test setup is the following (both systems have IP forwarding enabled): VM wit…
Lees meerI have an old iMac with the specs below. I want to install the most recent OS available for this machine. I want erase all existing data and accounts on the machine. I do not have admin access. I have an apple id, not associated with th…
Lees meerI've recently installed steam by just copying app folder to applications and was surprised to discover that app automatically added to login items after first run. I didn't expect that to happen. It seems that adding app to login items …
Lees meerIn Terminal.app I am running zsh. I need to diagnose what went wrong when I ran a bash shell command from Terminal.app. How do I find the log file for that?
Lees meerI recently ran a MacOS update and when it was finished... my Desktop was empty! Not only that, when I browsed to the Desktop folder, everything appeared to be gone. After looking at my Recent Files list, I tried to open a few documents…
Lees meerI recently ran a MacOS update and when it was finished... my Desktop was empty! Not only that, when I browsed to the Desktop folder, everything appeared to be gone. I save a lot of work to my desktop, so I had a minor panic attack thi…
Lees meerI face a vexing problem on my home set-up involving a Server mac advising a Client mac that a task (a back-up task) was successfully implemented. The purpose of this instruction is to trigger through the Client mac automation software t…
Lees meerI face a vexing problem on my home set-up involving a Server mac advising a Client mac that a task (a back-up task) was successfully implemented. The purpose of this instruction is to trigger through the Client mac automation software t…
Lees meerI face a vexing problem on my home set-up involving a Server mac advising a Client mac that a task (a back-up task) was successfully implemented. The purpose of this instruction is to trigger through the Client mac automation software t…
Lees meeri have a data stored in file with .gz extension. Right clicked on file there were two options Archive utility it is giving error 79 and the other option console, by right clicked on that file is opned and i can see data stored in file.…
Lees meerScenario: You have an AirTag in your purse or wallet. You go to a crowded location, like a bar. A bad actor, with an iPhone, gets an alert about an unknown AirTag in the vicinity and decides to add your AirTag to their device. Later …
Lees meerRecently I have had to make some changes on my Macbook that required me to not only have just sudo privileges but root privileges. When I searched how to do this the answer which seemed most appropriate for me was to run the commands I …
Lees meerI have an old iMac with the specs below. I want to install the most recent OS available for this machine. I want erase all existing data and accounts on the machine. I do not have admin access. I have an apple id, not associated with th…
Lees meerRecently I have had to make some changes on my Macbook that required me to not only have just sudo privileges but root privileges. When I searched how to do this the answer which seemed most appropriate for me was to run the commands I …
Lees meerI have an old iMac with the specs below. I want to install the most recent OS available for this machine. I want erase all existing data and accounts on the machine. I do not have admin access. I have an apple id, not associated with th…
Lees meerI have signed on my work OneDrive account on someone else's computer. I know I had logged out. Yet for some reasons they still have access to all of my One Drive files and the recent save as list makes it possible for them to save their…
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