Heads-up: purges
/var/spool/cups
.
$ cancel -a -x
/usr/local/sbin
directorysudo mkdir -p /usr/local/sbin
sudo chown ${USER}:admin /usr/local/sbin
cups.sh
scriptcat << "EOF" > /usr/local/sbin/cups.sh
#! /bin/sh
set -e
if grep -qe '^PreserveJobHistory Off#x27; /etc/cups/cupsd.conf; then
exit 0
fi
echo "PreserveJobHistory Off" | sudo tee -a /etc/cups/cupsd.conf
sudo launchctl unload /System/Library/LaunchDaemons/org.cups.cupsd.plist
sudo launchctl load /System/Library/LaunchDaemons/org.cups.cupsd.plist
EOF
cups.sh
executablechmod +x /usr/local/sbin/cups.sh
local.cups.plist
launch daemoncat << "EOF" | sudo tee /Library/LaunchDaemons/local.cups.plist
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>Label</key>
<string>local.cups</string>
<key>ProgramArguments</key>
<array>
<string>/usr/local/sbin/cups.sh</string>
</array>
<key>RunAtLoad</key>
<true/>
</dict>
</plist>
EOF
π
PreserveJobHistory Off
line from cupsd.conf
sudo sed -i "" "/PreserveJobHistory Off/d" /etc/cups/cupsd.conf
cups.sh
scriptsudo rm /usr/local/sbin/cups.sh
local.cups.plist
launch daemonsudo rm /Library/LaunchDaemons/local.cups.plist
sudo launchctl unload /System/Library/LaunchDaemons/org.cups.cupsd.plist
sudo launchctl load /System/Library/LaunchDaemons/org.cups.cupsd.plist
π