Try: time ./backup.sh Info: The time command shows execution time. real is wall clock time, user is CPU time for the program, and sys is CPU time for system calls. Examples: $ time ./deploy.sh $ /usr/bin/time -v ./process.py $ time tar -czf backup.tar.gz /home/data Note: Use /usr/bin/time -v for detailed resource […]
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Try: rsync -avz --delete /source/ /destination/ Info: rsync only transfers changed files, making backups much faster. -a means archive, -v means verbose, and -z enables compression. Examples: $ rsync -avz /home/user/ /mnt/backup/ $ rsync -avz --delete remote:/data/ /local/backup/ $ rsync -avz --exclude='*.tmp' /src/ /dst/ Note: Use --dry-run first. A trailing slash […]
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Try: sudo find /var/log -name '*.log' -mtime +30 -delete Info: Delete log files older than 30 days. The -mtime +30 finds files modified more than 30 days ago. Use sudo because /var/log files are owned by root. Examples: $ sudo find /var/log -name '*.log' -mtime +30 -delete $ find ~/Downloads -type […]
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Try: tail -20 /var/log/syslog Info: The tail command shows the last lines of a file without loading the entire content into memory. It's perfect for checking recent log entries. LinuxTeck.com linuxteck@ubuntu:~$ tail -20 /var/log/syslog Jun 26 11:52:27+0530 DEBUG reviving: failed for 'baseos', mismatched repomd. Jun 26 11:52:27+0530 DEBUG repo: downloading from […]
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