Entries Categorized as 'Technology'
Author:
erics, February 24th, 2023
SSH login from older hosts running OS X Yosemite 10.10.5 to macOS Ventura 13.2.1 was not working. SSH failed with a “No hostkey alg” error.
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vi /etc/ssh/sshd_config HostKeyAlgorithms +ssh-rsa,ssh-dss PubkeyAcceptedKeyTypes +ssh-rsa,ssh-dss |
Be sure to stop and start Remote Login under System Settings -> General -> Sharing
Categories: How-To's, Technology Tags: dss, HostKeyAlgorithms, howto, MacOS, PubkeyAcceptedKeyTypes, RSA, ssh, ssh-dss, ssh-rsa, sshd, sshd_config, tips, Ventura, Yosemite
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Author:
erics, January 19th, 2023
David Crosby, Born 1941, Died Jan 18th, 2023 at 81 years old
Categories: Death, Entertainment, Technology Tags: crosby, david, david crosby, death, Rip
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Author:
erics, December 30th, 2022
Summary Use AWS CloudTrail as the basis for a simple Intrusion Detection System to monitor your AWS account for unwanted activity. Background While I follow best practices for security, it is always possible that a bad actor could obtain my credentials and gain access to my AWS account. Once access is gained, such criminals could […]
Categories: Technology Tags: Attack, AWS, Bad Actor, Cloud, CloudTrail, CloudWatch, Compromise, Crypto, DDOS, Detection, dos, howto, IDS, Intrusion, Intrusion Detection, Mining, tips, Vector
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Author:
erics, November 24th, 2022
PROBLEM: Unable to sign out of iCloud on OSX Yosemite or disable Keychain SOLUTION: Delete the following, then reboot:
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~/Library/Application Support/iCloud/ ~/Library/Preferences/Mobile*.plist |
Categories: Technology Tags: 10.10.5, Delete, Error, howto, iCloud, Library, macosx, OSX, plist, Preferences, Remove, tips, Yosemite
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Author:
erics, September 19th, 2022
To disable automatic updates in WordPress, simply edit the wp-config.php file in your WordPress root directory and add the following line:
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define( 'WP_AUTO_UPDATE_CORE', false ); |
Categories: Technology Tags: Auto, Automatic, Disable, howto, Stop, tips, update, Updates, WordPress
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Author:
erics, September 7th, 2022
If you get the following error in WordPress when using the WPDataTables plugin, follow these steps to fix it: “You are trying to load a table of an unknown type. Probably you did not activate the addon which is required to use this table type.” SOLUTION SUMMARY: You must update the plugin files manually, deactivate […]
Categories: Technology Tags: Activate, Deactivaate, Error, Fix, howto, Plugin, Reactivate, tips, update, upgrade, WordPress, WPDataTables
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Author:
erics, April 18th, 2022
If you want to preserve quoting to pass shell arguments to a called command, use the four characters “$@” (including the double quotes) instead of the two characters $*
Categories: How-To's, Technology Tags: Argument, Arguments, bash, Command, howto, Keep, Preserve, quote, quotes, Quoting, Save, Shell, tips
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Author:
erics, March 18th, 2022
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vi /etc/postfix/master.cf bounce unix - - n - 0 discard defer unix - - n - 0 discard |
Categories: How-To's, Technology Tags: Bounce, defer, Disable, Discard, Email, howto, master.cf, PostFix, tips
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Author:
erics, March 17th, 2022
When I sent email from my desktop Mac cron jobs, it went out with the full hostname as the domain, i.e.: root@demo.wyzaerd.com, when all I wanted was a simple root@wyzaerd.com for ease of deliverability and domain maint. Edit the mail configuration file main.cf:
Add/edit the myorigin value of $mydomain:
Categories: How-To's, Technology Tags: Change, Domain, Email, Hostname, MacOS, mail, main.cf, Masquerade, mydomain, myorigin, PostFix
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