- List and Sort Processes by Memory Usage:
ps -e -orss=,args= | sort -b -k1,1n | pr -TW$COLUMNS
ps aux | awk '{print $2, $4, $11}' | sort -k2rn | head -n 10
- file size
du -h filename
- gzip file
gzip filename
- 查找大文件(全盘)
find / -size +20000k -exec ls -lh {} \;
- 查找磁盘上大于400MB的文件，直接删除，一般都是日志文件
find / -size +400000k -exec rm -rf {} \;
- scp下载
scp username@ip:/backup/sql/articles2.sql ~/dev/articles.sql
- scp上传
scp /path/local_filename username@ip:/data/app/softwares