Syslog filled with “@”-sign, Server not reachable

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today something happend to my ubuntu 16.04 server running plesk onxy.
the server was unreachable, so i did a hard reset.



after looking into /var/log/syslog, something strange was shown:
syslog-output
kern.log output



Did anyone else has seen this before? The hard-reset of the server was on 23:23:51, so the Kernel Messages seems to be "normal". But the really strange party are those @-signs and there was no log during 23:06 and 23:23.
Any idea what happend on my server?



if you need more information feel free to ask me!



Thanks in advice










share|improve this question























  • ^@ represents a null byte. See en.wikipedia.org/wiki/Caret_notation
    – wjandrea
    Feb 23 at 23:15










  • This happens a lot in the case of hard power off. Usually represents corruption/half written lines. I'd examine /var/log/syslog, and also /var/log/kern.log. The null bytes by themselves really don't tell you anything unfortunately. :/
    – dpb
    Feb 23 at 23:23










  • hi, i added the kern.log file. Can this be cause by my veeam backup?
    – Marcwa19197
    Feb 23 at 23:28










  • if the answer here is useful for you. unix.stackexchange.com/a/320977
    – Dagim Sisay
    Mar 23 at 18:21














up vote
0
down vote

favorite












today something happend to my ubuntu 16.04 server running plesk onxy.
the server was unreachable, so i did a hard reset.



after looking into /var/log/syslog, something strange was shown:
syslog-output
kern.log output



Did anyone else has seen this before? The hard-reset of the server was on 23:23:51, so the Kernel Messages seems to be "normal". But the really strange party are those @-signs and there was no log during 23:06 and 23:23.
Any idea what happend on my server?



if you need more information feel free to ask me!



Thanks in advice










share|improve this question























  • ^@ represents a null byte. See en.wikipedia.org/wiki/Caret_notation
    – wjandrea
    Feb 23 at 23:15










  • This happens a lot in the case of hard power off. Usually represents corruption/half written lines. I'd examine /var/log/syslog, and also /var/log/kern.log. The null bytes by themselves really don't tell you anything unfortunately. :/
    – dpb
    Feb 23 at 23:23










  • hi, i added the kern.log file. Can this be cause by my veeam backup?
    – Marcwa19197
    Feb 23 at 23:28










  • if the answer here is useful for you. unix.stackexchange.com/a/320977
    – Dagim Sisay
    Mar 23 at 18:21












up vote
0
down vote

favorite









up vote
0
down vote

favorite











today something happend to my ubuntu 16.04 server running plesk onxy.
the server was unreachable, so i did a hard reset.



after looking into /var/log/syslog, something strange was shown:
syslog-output
kern.log output



Did anyone else has seen this before? The hard-reset of the server was on 23:23:51, so the Kernel Messages seems to be "normal". But the really strange party are those @-signs and there was no log during 23:06 and 23:23.
Any idea what happend on my server?



if you need more information feel free to ask me!



Thanks in advice










share|improve this question















today something happend to my ubuntu 16.04 server running plesk onxy.
the server was unreachable, so i did a hard reset.



after looking into /var/log/syslog, something strange was shown:
syslog-output
kern.log output



Did anyone else has seen this before? The hard-reset of the server was on 23:23:51, so the Kernel Messages seems to be "normal". But the really strange party are those @-signs and there was no log during 23:06 and 23:23.
Any idea what happend on my server?



if you need more information feel free to ask me!



Thanks in advice







16.04 server syslog






share|improve this question















share|improve this question













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edited Feb 23 at 23:27

























asked Feb 23 at 22:50









Marcwa19197

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  • ^@ represents a null byte. See en.wikipedia.org/wiki/Caret_notation
    – wjandrea
    Feb 23 at 23:15










  • This happens a lot in the case of hard power off. Usually represents corruption/half written lines. I'd examine /var/log/syslog, and also /var/log/kern.log. The null bytes by themselves really don't tell you anything unfortunately. :/
    – dpb
    Feb 23 at 23:23










  • hi, i added the kern.log file. Can this be cause by my veeam backup?
    – Marcwa19197
    Feb 23 at 23:28










  • if the answer here is useful for you. unix.stackexchange.com/a/320977
    – Dagim Sisay
    Mar 23 at 18:21
















  • ^@ represents a null byte. See en.wikipedia.org/wiki/Caret_notation
    – wjandrea
    Feb 23 at 23:15










  • This happens a lot in the case of hard power off. Usually represents corruption/half written lines. I'd examine /var/log/syslog, and also /var/log/kern.log. The null bytes by themselves really don't tell you anything unfortunately. :/
    – dpb
    Feb 23 at 23:23










  • hi, i added the kern.log file. Can this be cause by my veeam backup?
    – Marcwa19197
    Feb 23 at 23:28










  • if the answer here is useful for you. unix.stackexchange.com/a/320977
    – Dagim Sisay
    Mar 23 at 18:21















^@ represents a null byte. See en.wikipedia.org/wiki/Caret_notation
– wjandrea
Feb 23 at 23:15




^@ represents a null byte. See en.wikipedia.org/wiki/Caret_notation
– wjandrea
Feb 23 at 23:15












This happens a lot in the case of hard power off. Usually represents corruption/half written lines. I'd examine /var/log/syslog, and also /var/log/kern.log. The null bytes by themselves really don't tell you anything unfortunately. :/
– dpb
Feb 23 at 23:23




This happens a lot in the case of hard power off. Usually represents corruption/half written lines. I'd examine /var/log/syslog, and also /var/log/kern.log. The null bytes by themselves really don't tell you anything unfortunately. :/
– dpb
Feb 23 at 23:23












hi, i added the kern.log file. Can this be cause by my veeam backup?
– Marcwa19197
Feb 23 at 23:28




hi, i added the kern.log file. Can this be cause by my veeam backup?
– Marcwa19197
Feb 23 at 23:28












if the answer here is useful for you. unix.stackexchange.com/a/320977
– Dagim Sisay
Mar 23 at 18:21




if the answer here is useful for you. unix.stackexchange.com/a/320977
– Dagim Sisay
Mar 23 at 18:21















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