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localhost/phpmyadmin returns 404? Fix the missing Apache include on Ubuntu, XAMPP path issues, and alias configuration – with exact commands.
localhost/phpmyadmin returns 404? Fix the missing Apache include on Ubuntu, XAMPP path issues, and alias configuration – with exact commands.
Add jobs to crontab in Linux/Unix – the 5-field syntax decoded, ready-made schedule examples, logging output, and the PATH pitfall that breaks cron scripts.
Add jobs to crontab in Linux/Unix – the 5-field syntax decoded, ready-made schedule examples, logging output, and the PATH pitfall that breaks cron scripts.
Stop runaway MySQL queries automatically – max_execution_time, pt-kill, and an event-scheduler watchdog, with exact commands and safe defaults.
Stop runaway MySQL queries automatically – max_execution_time, pt-kill, and an event-scheduler watchdog, with exact commands and safe defaults.
Execute a .jar from the command line – java -jar usage, fixing ‘no main manifest attribute’ and UnsupportedClassVersionError, plus running JARs as services.
Execute a .jar from the command line – java -jar usage, fixing 'no main manifest attribute' and UnsupportedClassVersionError, plus running JARs as services.
Can’t upgrade Ubuntu because /boot is full? Safely remove old kernels with autoremove, fix a broken apt when /boot hit 100%, and prevent it recurring.
Can't upgrade Ubuntu because /boot is full? Safely remove old kernels with autoremove, fix a broken apt when /boot hit 100%, and prevent it recurring.
