I have a weird issue on an Ubuntu 10.04 LTS virtual server. A few days ago I started getting these alerts:
***** Nagios *****
Notification Type: PROBLEM
Service: Current Load
Host: localhost
Address: 127.0.0.1
State: CRITICAL
Date/Time: Mon Aug 13 13:09:58 EDT 2012
Now logging in to the server does not work. It seems like I am able to authenticate with ssh but then seems to fail at getting a prompt. I get:
/bin/bash: Exec format error
Connection to 192.172.132.20 closed.
I can't login from any account. Can't try single user as it is remotely hosted. I can connect without starting a shell using ssh -N.
I've received this from cron. It seems like all my /bin files are gone. Is there any way to recover?
/etc/cron.daily/apt:
/bin/sleep: 2: /bin/sleep: ‰Æ‰ø‰ó¹ è›ýÿÿ¸ »: not found
/bin/sleep: 1: /bin/sleep: ‰Æ‰ß‰øèØÿÿÿ ÆN»: not found
/bin/sleep: 2: /bin/sleep: ‰ø1Ò÷ó Â0ˆ N=wìaÃVSP¸-S»Í€[‰Æ[ ø-Í€9Øu ‰ðé 1Àé[^ÃSQRV‰Æ1É A8 uø‰ÈH^ZY[Ã: not found
/bin/sleep: 1: /bin/sleep: 1ÒŠ ˆ I@C ùwñaÃSQRVW‰Æ‰ßŠ Š 8Øu FGI ùwí¸ _^ZY[ø_^ZY[ÃQSP1À°f1Û³ ‰áÍ€Y[YÃQSP1À°f1Û³ ‰áÍ€X[YÃQSP1À°f1Û³ ‰áÍ€X[YÃQSP1À°f1Û³ ‰áÍ€Y[YÃRQSP1À°f1Û³ ‰áÍ€X[YZÃRQSP1À°f1Û³‰áÍ€X[YZÃQSP1À°f1Û³ ‰áÍ€X[YÃSQRV1ö¸@èÈþÿÿ=t ‰ÆSQ¸·‰ó¹@Í€Y[‰ð^ZY[Ã/dev/hdxSQRVW P01ÿ¸2èˆþÿÿ‰Æ= „†ë Xÿàèøÿÿÿ-5‰ÃˆP SQR¸ ‰Û¹BºÍ€ZY[=ÿÿÿÿtG‰ÂfÇ fÇF ÇF ÇF ¸ Í€‰FSQR¸7‰Ó¹ ‰òÍ€ZY[=u ¿ ¸-S‰óÍ€[‰ø_^ZY[ÃSQRVWë X‰Ã ë ÿàèðÿÿÿSQR¸ »¹ºÍ€ZY[‰ÙSQ¸0» ‰ÉÍ€Y[_^ZY[Ã: not found
/bin/sleep: 1: /bin/sleep: ELF : not found
/bin/sleep: 1: /bin/sleep: Syntax error: word unexpected (expecting ")")
/bin/pidof: 2: /bin/pidof: ‰Æ‰ø‰ó¹ è›ýÿÿ¸ »: not found
/bin/pidof: 1: /bin/pidof: ‰Æ‰ß‰øèØÿÿÿ ÆN»: not found
/bin/pidof: 2: /bin/pidof: ‰ø1Ò÷ó Â0ˆ N=wìaÃVSP¸-S»Í€[‰Æ[ ø-Í€9Øu ‰ðé 1Àé[^ÃSQRV‰Æ1É A8 uø‰ÈH^ZY[Ã: not found
/bin/pidof: 1: /bin/pidof: 1ÒŠ ˆ I@C ùwñaÃSQRVW‰Æ‰ßŠ Š 8Øu FGI ùwí¸ _^ZY[ø_^ZY[ÃQSP1À°f1Û³ ‰áÍ€Y[YÃQSP1À°f1Û³ ‰áÍ€X[YÃQSP1À°f1Û³ ‰áÍ€X[YÃQSP1À°f1Û³ ‰áÍ€Y[YÃRQSP1À°f1Û³ ‰áÍ€X[YZÃRQSP1À°f1Û³‰áÍ€X[YZÃQSP1À°f1Û³ ‰áÍ€X[YÃSQRV1ö¸@èÈþÿÿ=t ‰ÆSQ¸·‰ó¹@Í€Y[‰ð^ZY[Ã/dev/hdxSQRVW P01ÿ¸2èˆþÿÿ‰Æ= „†ë Xÿàèøÿÿÿ-5‰ÃˆP SQR¸ ‰Û¹BºÍ€ZY[=ÿÿÿÿtG‰ÂfÇ fÇF ÇF ÇF ¸ Í€‰FSQR¸7‰Ó¹ ‰òÍ€ZY[=u ¿ ¸-S‰óÍ€[‰ø_^ZY[ÃSQRVWë X‰Ã ë ÿàèðÿÿÿSQR¸ »¹ºÍ€ZY[‰ÙSQ¸0» ‰ÉÍ€Y[_^ZY[Ã: not found
/bin/pidof: 1: /bin/pidof: ELF : not found
/bin/pidof: 1: /bin/pidof: Syntax error: word unexpected (expecting ")")
/etc/cron.daily/dpkg:
/bin/cp: 2: /bin/cp: ‰Æ‰ø‰ó¹ è›ýÿÿ¸ »: not found
/bin/cp: 1: /bin/cp: ‰Æ‰ß‰øèØÿÿÿ ÆN»: not found
/bin/cp: 2: /bin/cp: ‰ø1Ò÷ó Â0ˆ N=wìaÃVSP¸-S»Í€[‰Æ[ ø-Í€9Øu ‰ðé 1Àé[^ÃSQRV‰Æ1É A8 uø‰ÈH^ZY[Ã: not found
/bin/cp: 1: /bin/cp: 1ÒŠ ˆ I@C ùwñaÃSQRVW‰Æ‰ßŠ Š 8Øu FGI ùwí¸ _^ZY[ø_^ZY[ÃQSP1À°f1Û³ ‰áÍ€Y[YÃQSP1À°f1Û³ ‰áÍ€X[YÃQSP1À°f1Û³ ‰áÍ€X[YÃQSP1À°f1Û³ ‰áÍ€Y[YÃRQSP1À°f1Û³ ‰áÍ€X[YZÃRQSP1À°f1Û³‰áÍ€X[YZÃQSP1À°f1Û³ ‰áÍ€X[YÃSQRV1ö¸@èÈþÿÿ=t ‰ÆSQ¸·‰ó¹@Í€Y[‰ð^ZY[Ã/dev/hdxSQRVW P01ÿ¸2èˆþÿÿ‰Æ= „†ë Xÿàèøÿÿÿ-5‰ÃˆP SQR¸ ‰Û¹BºÍ€ZY[=ÿÿÿÿtG‰ÂfÇ fÇF ÇF ÇF ¸ Í€‰FSQR¸7‰Ó¹ ‰òÍ€ZY[=u ¿ ¸-S‰óÍ€[‰ø_^ZY[ÃSQRVWë X‰Ã ë ÿàèðÿÿÿSQR¸ »¹ºÍ€ZY[‰ÙSQ¸0» ‰ÉÍ€Y[_^ZY[Ã: not found
/bin/cp: 1: /bin/cp: ELF : not found
/bin/cp: 1: /bin/cp: Syntax error: word unexpected (expecting ")")
/etc/cron.daily/standard:
/bin/cp: 2: /bin/cp: ‰Æ‰ø‰ó¹ è›ýÿÿ¸ »: not found
/bin/cp: 1: /bin/cp: ‰Æ‰ß‰øèØÿÿÿ ÆN»: not found
/bin/cp: 2: /bin/cp: ‰ø1Ò÷ó Â0ˆ N=wìaÃVSP¸-S»Í€[‰Æ[ ø-Í€9Øu ‰ðé 1Àé[^ÃSQRV‰Æ1É A8 uø‰ÈH^ZY[Ã: not found
/bin/cp: 1: /bin/cp: 1ÒŠ ˆ I@C ùwñaÃSQRVW‰Æ‰ßŠ Š 8Øu FGI ùwí¸ _^ZY[ø_^ZY[ÃQSP1À°f1Û³ ‰áÍ€Y[YÃQSP1À°f1Û³ ‰áÍ€X[YÃQSP1À°f1Û³ ‰áÍ€X[YÃQSP1À°f1Û³ ‰áÍ€Y[YÃRQSP1À°f1Û³ ‰áÍ€X[YZÃRQSP1À°f1Û³‰áÍ€X[YZÃQSP1À°f1Û³ ‰áÍ€X[YÃSQRV1ö¸@èÈþÿÿ=t ‰ÆSQ¸·‰ó¹@Í€Y[‰ð^ZY[Ã/dev/hdxSQRVW P01ÿ¸2èˆþÿÿ‰Æ= „†ë Xÿàèøÿÿÿ-5‰ÃˆP SQR¸ ‰Û¹BºÍ€ZY[=ÿÿÿÿtG‰ÂfÇ fÇF ÇF ÇF ¸ Í€‰FSQR¸7‰Ó¹ ‰òÍ€ZY[=u ¿ ¸-S‰óÍ€[‰ø_^ZY[ÃSQRVWë X‰Ã ë ÿàèðÿÿÿSQR¸ »¹ºÍ€ZY[‰ÙSQ¸0» ‰ÉÍ€Y[_^ZY[Ã: not found
/bin/cp: 1: /bin/cp: ELF : not found
/bin/cp: 1: /bin/cp: Syntax error: word unexpected (expecting ")")
/bin/awk: 2: /bin/awk: ‰Æ‰ø‰ó¹ è›ýÿÿ¸ »: not found
/bin/awk: 1: /bin/awk: ‰Æ‰ß‰øèØÿÿÿ ÆN»: not found
/bin/awk: 2: /bin/awk: ‰ø1Ò÷ó Â0ˆ N=wìaÃVSP¸-S»Í€[‰Æ[ ø-Í€9Øu ‰ðé 1Àé[^ÃSQRV‰Æ1É A8 uø‰ÈH^ZY[Ã: not found
/bin/awk: 1: /bin/awk: 1ÒŠ ˆ I@C ùwñaÃSQRVW‰Æ‰ßŠ Š 8Øu FGI ùwí¸ _^ZY[ø_^ZY[ÃQSP1À°f1Û³ ‰áÍ€Y[YÃQSP1À°f1Û³ ‰áÍ€X[YÃQSP1À°f1Û³ ‰áÍ€X[YÃQSP1À°f1Û³ ‰áÍ€Y[YÃRQSP1À°f1Û³ ‰áÍ€X[YZÃRQSP1À°f1Û³‰áÍ€X[YZÃQSP1À°f1Û³ ‰áÍ€X[YÃSQRV1ö¸@èÈþÿÿ=t ‰ÆSQ¸·‰ó¹@Í€Y[‰ð^ZY[Ã/dev/hdxSQRVW P01ÿ¸2èˆþÿÿ‰Æ= „†ë Xÿàèøÿÿÿ-5‰ÃˆP SQR¸ ‰Û¹BºÍ€ZY[=ÿÿÿÿtG‰ÂfÇ fÇF ÇF ÇF ¸ Í€‰FSQR¸7‰Ó¹ ‰òÍ€ZY[=u ¿ ¸-S‰óÍ€[‰ø_^ZY[ÃSQRVWë X‰Ã ë ÿàèðÿÿÿSQR¸ »¹ºÍ€ZY[‰ÙSQ¸0» ‰ÉÍ€Y[_^ZY[Ã: not found
/bin/awk: 1: /bin/awk: ELF : not found
/bin/awk: 1: /bin/awk: Syntax error: word unexpected (expecting ")")
/etc/cron.daily/thedailycommandline:
run-parts: failed to exec /etc/cron.daily/thedailycommandline: Exec format error
run-parts: /etc/cron.daily/thedailycommandline exited with return code 1
Any help would be greatly appreciated.