Category Archives: Mac

MacOS : Unable to negotiate with port 22: no matching cipher found

Having the following issue connecting to a device using SSH after upgrading to macOS High Sierra 10.13.2? Unable to negotiate with port 22: no matching cipher found. Their offer: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour,aes192-cbc,aes256-cbc, This is an expected behavior if you attempt to connect to a legacy system or network device running older version of SSH. To workaround… Read More »

Mac : How to uninstall LogMeIn

LogMeIn remote control software cannot be removed without traces by just removing the .app icon/folder from the Application directory like you used to do with the majority of software (it will leave the finder tray icon, will attempt to start on boot, etc.). There is an easy way using the uninstaller script to achieve this… Read More »

Category: Mac

Mac : Unable to negotiate with x.x.x.x port 22: no matching key exchange method found. Their offer: diffie-hellman-group1-sha1

With the latest macOS Sierra 10.12 release, you might have observed issue connecting to servers or network devices running SSH. Please note that this article does not necessary apply or macOS, but any running OS with the latest OpenSSH v7. Because of the latest OpenSSH version, some older (legacy) encryption algorithm have been removed from… Read More »

iOS 9.3 : Unable to Verify Update

Having this error message trying to update your iPhone 5s to iOS 9.3? Unable to Verify Update iOS 9.3 failed verification because you are no longer connected to the Internet I have encountered this behaviour on a iPhone 5s device and it seem that this is also occurring on older devices such as iPad Air as well.… Read More »

Category: Mac

Mac : OpenVPN JSONDialog: Error running jsondialog

Have you encountered the following error trying to connect to OpenVPN server? JSONDialog: Error running jsondialog, status=(5, [], [‘task_for_pid(): 0x5’]), stdout=[], I have observed the following error message under the following circumstances : Operating system : Mac OSX El Capitan 10.11 OpenVPN client : v2.0.18.202 or older version The problem occur because of the System… Read More »

Mac : Ports broken after El Capitan upgrade

Mostly as usual, MacPorts have issues after Mac OSX upgrade. In my particular case it was after upgrading from Yosemite 10.10 to El Capitan 10.11. After issuing the following update command : sudo port selfupdate The following error showed up : Error: Error installing new MacPorts base: command execution failed Please run `port -v selfupdate’… Read More »

Category: Mac

Mac : Show hidden files and folder in OSX

Here is a quick how to show hidden files and folders in OSX Mavericks 10.9. Using the terminal, do the following command to show a specific hidden folder. This example assume you want to display the “Library” folder contain in your user profile : sudo chflags hidden /Library/ ~/Library/ If you’d like to show all… Read More »

Category: Mac

Mac : Issue with Divvy and Universal Access on OSX Mavericks

If like me you love managing your windows with Divvy on OSX, you might ran into this issue on Mavericks 10.9. The symptoms are : – Divvy is not showing up when pressing the key shortcut combinations ; – You may also see the following error in the system logs (/var/log/system.log) ; Dec 30 00:00:00… Read More »

Category: Mac