lsof      1008                   1000  mem       REG              259,1   149520inux-gnu/libpthread-2.31.so                                                     lsof      1008                   1000  mem       REG              259,1    18688inux-gnu/libdl-2.31.so                                                          lsof      1008                   1000  mem       REG              259,1   617128inux-gnu/libpcre2-8.so.0.10.1                                                   lsof      1008                   1000  mem       REG              259,1  1901536inux-gnu/libc-2.31.so                                                           lsof      1008                   1000  mem       REG              259,1   166120inux-gnu/libselinux.so.1                                                        lsof      1008                   1000  mem       REG              259,1   177928inux-gnu/ld-2.31.so                                                             lsof      1008                   1000    4r     FIFO               0,11      0t0lsof      1008                   1000    7w     FIFO               0,11      0t0admin@i-096a29f104e7847fe:~$ lsof -i                                            

  -NUM                      same as --context=NUM                                     --color[=WHEN],                                                                 --colour[=WHEN]       use markers to highlight the matching strings;                                  WHEN is 'always', 'never', or 'auto'                  -U, --binary              do not strip CR characters at EOL (MSDOS/Windows)                                                                                   When FILE is '-', read standard input.  With no FILE, read '.' if               recursive, '-' otherwise.  With fewer than two FILEs, assume -h.                Exit status is 0 if any line is selected, 1 otherwise;                          if any error occurs and -q is not given, the exit status is 2.                                                                                                  Report bugs to: [email protected]                                                GNU grep home page: <http://www.gnu.org/software/grep/>                         General help using GNU software: <https://www.gnu.org/gethelp/>                 admin@i-0cfb0cf4bc2c45ea2:~$ strace ./kihei 2>&1 | grep -E ""                   

admin@i-04a801616e09ba50d:/var/log$                                             admin@i-04a801616e09ba50d:/var/log$                                             

drwxr-xr-x 2 admin root  4.0K Oct 26 12:42 data                                 -rw-r--r-- 1 admin admin 5.0M Sep 17 17:28 datafile.gz                          -rwxr-xr-x 1 admin root  2.2M Sep 17 17:28 kihei                                admin@i-0dabf03a12f2ad847:~$ df -h                                              Filesystem       Size  Used Avail Use% Mounted on                               udev             217M     0  217M   0% /dev                                     tmpfs             46M  368K   46M   1% /run                                     /dev/nvme0n1p1   7.7G  1.1G  6.2G  15% /                                        tmpfs            228M   12K  228M   1% /dev/shm                                 tmpfs            5.0M     0  5.0M   0% /run/lock                                /dev/nvme0n1p15  124M  5.9M  118M   5% /boot/efi                                admin@i-0dabf03a12f2ad847:~$ ./kihei                                            Done.                                                                           admin@i-0dabf03a12f2ad847:~$ mv datafile.gz datafile                            admin@i-0dabf03a12f2ad847:~$ strace ./k