×ðÁú¿­Ê±

6 ¸ö¡°ÏÅÈË¡±µÄ Linux ÏÂÁî

ÕýÎÄ

$ 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.

µÇ¼ºó¸´ÖÆ

Çë×¢ÖØ£ºmcryptÏÂÁî»á½¨ÉèµÚ¶þ¸öÎļþ£¬ÆäÀ©Õ¹ÃûÊÇ¡°.nc¡± ¡£

Ëü²¢²»ÁýÕÖÄãÔÚ¼ÓÃܵÄÎļþ ¡£mcryptÏÂÁîÓÐÃÜÔ¿¾ÞϸºÍ¼ÓÃÜËã·¨·½ÃæµÄÑ¡Ïî ¡£Ä㻹¿ÉÒÔÖ¸¶¨ÃÜÔ¿×÷Ϊһ¸öÑ¡Ï²»¹ýmcryptÏÂÁî²»ÃãÀøÕâô×ö ¡£

kill

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

ËÑË÷¹«ÖÚºÅLinuxÖÐÎÄÉçÇøºǫ́»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

µÇ¼ºó¸´ÖÆ

shred

Linuxϵͳ»¹Ö§³ÖÒ»ÖÖÃûΪshredµÄÏÂÁî ¡£shredÏÂÁîÁýÕÖÎļþÒÔÒþ²ØÒÔÇ°µÄÄÚÈÝ£¬²¢È·±£ÎÞ·¨Ê¹ÓÃÓ²Åָ̻´¹¤¾ßÀ´»Ö¸´ËüÃÇ ¡£Çë¼Ç× ¡£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^}&???{??

µÇ¼ºó¸´ÖÆ

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»¸ö¼òÆÓµÄÒªÁì¾ÍÊÇÉó²étopÏÂÁîµÄÎÊÌâÐÐ ¡£

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

µÇ¼ºó¸´ÖÆ

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

µÇ¼ºó¸´ÖÆ

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

µÇ¼ºó¸´ÖÆ

ÒÔÉϾÍÊÇ6 ¸ö¡°ÏÅÈË¡±µÄ Linux ÏÂÁîµÄÏêϸÄÚÈÝ£¬¸ü¶àÇë¹Ø×¢±¾ÍøÄÚÆäËüÏà¹ØÎÄÕ£¡

ÃâÔð˵Ã÷£ºÒÔÉÏչʾÄÚÈÝȪԴÓÚÏàÖúýÌå¡¢ÆóÒµ»ú¹¹¡¢ÍøÓÑÌṩ»òÍøÂçÍøÂçÕûÀí£¬°æȨÕùÒéÓë±¾Õ¾Î޹أ¬ÎÄÕÂÉæ¼°¿´·¨Óë¿´·¨²»´ú±í×ðÁú¿­Ê±ÂËÓÍ»úÍø¹Ù·½Ì¬¶È£¬Çë¶ÁÕß½ö×ö²Î¿¼ ¡£±¾ÎĽӴýתÔØ£¬×ªÔØÇë˵Ã÷À´ÓÉ ¡£ÈôÄúÒÔΪ±¾ÎÄÇÖÕ¼ÁËÄúµÄ°æȨÐÅÏ¢£¬»òÄú·¢Ã÷¸ÃÄÚÈÝÓÐÈκÎÉæ¼°ÓÐÎ¥¹«µÂ¡¢Ã°·¸Ö´·¨µÈÎ¥·¨ÐÅÏ¢£¬ÇëÄúÁ¬Ã¦ÁªÏµ×ðÁú¿­Ê±ÊµÊ±ÐÞÕý»òɾ³ý ¡£

Ïà¹ØÐÂÎÅ

ÁªÏµ×ðÁú¿­Ê±

18523999891

¿É΢ÐÅÔÚÏß×Éѯ

ÊÂÇéʱ¼ä£ºÖÜÒ»ÖÁÖÜÎ壬9:30-18:30£¬½ÚãåÈÕÐÝÏ¢

QR code
¡¾ÍøÕ¾µØͼ¡¿¡¾sitemap¡¿