尊龙凯时人生就是搏

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$ mcrypt x
Enter the passphrase (maximum of 512 characters)
Please use a combination of upper and lower case letters and numbers.
Enter passphrase:
Enter passphrase:
File x was encrypted.

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kill

ÉÐÓÐkillÏÂÁ¡ªËäÈ»Õâ²¢²»ÊÇÖ¸ÐдÌ£¬¶øÊÇÖ¸ÎÒÃÇÓÃÀ´ÖÕÖ¹Àú³ÌµÄÏÂÁÖÕÖ¹µÄ·½·¨ÓжàǿӲȡ¾öÓÚÐèҪʲôÀ´ÊÊÍâµØÖÕÖ¹ËüÃÇ¡£ËäÈ»£¬Linux²¢²»¾Í´ËÖ¹²½¡£Ïà·´£¬ËüÓÐÖÖÖÖ¸÷ÑùµÄkillÏÂÁîÀ´ÓÃÓÚÄãµÄÏÂÁîÐС£

ËÑË÷ÃñÖÚºÅLinuxÖÐÎÄÉçÇøºǫ́»Ø¸´¡°ÏÂÁîÐС±£¬»ñÈ¡Ò»·Ý¾ªÏ²Àñ°ü¡£

ÎÒÃÇÓÐkill¡¢pkill¡¢killall¡¢killpg¡¢rfkill¡¢skill£¨²ÎÔÄes-kill£©¡¢tgkill¡¢tkillºÍxkill¡£

$ killall runme

[1] Terminated ./runme
[2] Terminated ./runme
[3]- Terminated ./runme
[4]+ Terminated ./runme

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shred

Linuxϵͳ»¹Ö§³ÖÒ»ÖÖÃûΪshredµÄÏÂÁî¡£shredÏÂÁîÁýÕÖÎļþÒÔÒþ²ØÒÔÇ°µÄÄÚÈÝ£¬²¢È·±£ÎÞ·¨Ê¹ÓÃÓ²Åָ̻´¹¤¾ßÀ´»Ö¸´ËüÃÇ¡£Çë¼Çס£ºrmÏÂÁî»ù±¾ÉÏÖ»ÊÇɾ³ýĿ¼ÎļþÖеÄÎļþÒýÓ㬵«·×Æ綨´Ó´ÅÅÌÉϲÁ³ýÄÚÈÝ»òÁýÕÖÄÚÈÝ¡£shredÏÂÁî²ÅÊÇÁýÕÖÎļþµÄÄÚÈÝ¡£

$ shred dupes.txt

$ more dupes.txt

?o¦«??9?lm?????o?1???f?f???i??h^}&???{??

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zombies

ËäÈ»zombies£¨½©Ê¬Àú³Ì£©²»ÊÇÒ»¸öÏÂÁµ«ËüÔÚLinuxϵͳÉÏÈ´¸ùÉîµÙ¹Ì¡£zombies»ù±¾ÉÏÊÇûÓб»Íêȫɨ³ýµÄéæÃüÀú³ÌµÄ²Ðº¡¡£

Àú³Ì²»Ó¦¸ÃÒÔÕâÖÖ·½·¨ÔËÐСª¡ªÈÎÓÉéæÃüÀú³ÌÍ£Áô£¬¶ø²»Êǽö½öÈÃËüÃÇéæÃü¡¢½øÈëÊý×ÖÌìÌã¬ÒÔÊÇzombiesµÄ±£´æÅú×¢ÎúÁôÏÂËüÃǵÄÀú³Ì±£´æijÖÖȱÏÝ¡£

¼ì²éÄãµÄϵͳÊÇ·ñÓн©Ê¬Àú³Ì²ÐÁôÏÂÀ´£¬Ò»¸ö¼òÆÓµÄÒªÁì¾ÍÊÇÉó²étopÏÂÁîµÄÎÊÌâÐС£

ºÃÏÅÈË£¡ÉÏÃæÏÔʾÓÐÈý¸ö½©Ê¬Àú³Ì¡£

$ top

top - 18:50:38 up 6 days, 6:36, 2 users, load average: 0.00, 0.00, 0.00

Tasks: 171 total, 1 running, 167 sleeping, 0 stopped, 3 zombie <==

%Cpu(s): 0.0 us, 0.0 sy, 0.0 ni, 99.9 id, 0.1 wa, 0.0 hi, 0.0 si, 0.0 st

KiB Mem : 2003388 total, 250840 free, 545832 used, 1206716 buff/cache

KiB Swap: 9765884 total, 9765764 free, 120 used. 1156536 avail Mem

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at midnight

ËÀÈ˵ÄÁé»ê»á´ÓÈÕÂäÒ»Ö±Óε´µ½ÉîÒ¹¡£LinuxÈÃÓû§¿ÉÒÔ½èÖú¡°at midnight¡±ÏÂÁî¸ú×ÙÊÇ·ñÒÑÍÑÀë¡£atÓÃÀ´°²ÅÅÏÂÒ»´Îָ׼ʱ¼äµ½À´Ê±¾ÍÔËÐеÄʹÃü£¬ÊÂÇé·½·¨ÀàËÆÒ»´ÎÐÔÍýÏëʹÃü£¨cron£©¡£

$ at midnight

warning: commands will be executed using /bin/sh

at> echo 'the spirits of the dead have left'

at> <EOT>

job 3 at Thu Oct 31 00:00:00 2017

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daemons

Linuxϵͳ»¹¸ß¶ÈÒÀÀµÊØ»¤Àú³Ì£¨daemon£©¡ª¡ªÕâÖÖÀú³ÌÔÚºǫ́ÔËÐУ¬ÌṩÁËϵͳµÄÐí¶à¹¦Ð§¡£Ðí¶àÊØ»¤Àú³ÌµÄÃû³ÆÒÔ¡°d¡±×îºó¡£Õâ¸ö¡°d¡±´ú±í¡°daemon¡±£¬ËüÅú×¢¸ÃÀú³ÌÒ»Ö±ÔËÐУ¬Ö§³ÖijÖÖÖ÷Òª¹¦Ð§¡£ÁíһЩÊØ»¤Àú³ÌÔò½«¡°daemon¡±Õâ¸öµ¥´ÊÆ´³öÀ´¡£

$ ps -ef | grep sshd

root 1142 1 0 Oct19 ? 00:00:00 /usr/sbin/sshd -D

root 25342 1142 0 18:34 ? 00:00:00 sshd: shs [priv]

$ ps -ef | grep daemon | grep -v grep

message+ 790 1 0 Oct19 ? 00:00:01 /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation

root 836 1 0 Oct19 ? 00:00:02 /usr/lib/accountsservice/accounts-daemon

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