putty error - expected key exchange group packet from server
# trouble shooting2021. 4. 22. 09:35putty error - expected key exchange group packet from server

ssh 접속시 아래와 같이 에러 발생 기존 설정값 변경 설정값

apache error log logstash grok pattern
# DataBase/Elasticsearch2021. 4. 14. 15:24apache error log logstash grok pattern

아파치 에러로그 [Sun Jan 31 16:07:40.266665 2021] [access_compat:error] [pid 14356] [client 18.183.46.74:50067] AH01797: client denied by server configuration: /DATA/darksharavim/html/xmlrpc.php grok filter 설정값 \[(?%{DAY:day} %{MONTH:month} %{MONTHDAY} %{TIME} %{YEAR})\] \[.*:%{LOGLEVEL:loglevel}\] \[pid %{NUMBER:pid}\] \[client %{IP:clientip}:.*\] %{GREEDYDATA:errormsg} 결과값 { "timestamp": [ "Sun Jan 3..

[trouble shooting]memory locking requested for elasticsearch process but memory is not locked
# DataBase/Elasticsearch2021. 4. 7. 10:44[trouble shooting]memory locking requested for elasticsearch process but memory is not locked

엘라스틱서치 실행시 아래와 같이 오류발생확인 [2021-04-07T09:46:19,467][ERROR][o.e.b.Bootstrap] [darksharavim.com] node validation exception [1] bootstrap checks failed. You must address the points described in the following [1] lines before starting Elasticsearch. bootstrap check failure [1] of [1]: memory locking requested for elasticsearch process but memory is not locked ulimit상태값 # ulimit -aS core file size (bl..

PHP Fatal error:  Call to undefined function mb_strlen() in
# Script/PHP2019. 12. 13. 16:08PHP Fatal error: Call to undefined function mb_strlen() in

아래와 같이 오류시 PHP Fatal error: Call to undefined function mb_strlen() in 해결방법 mbstring확장모듈 설치

PHP에러 AH02429: Response header name 'P3P ' contains invalid characters, aborting request
# Script/PHP2019. 12. 13. 16:05PHP에러 AH02429: Response header name 'P3P ' contains invalid characters, aborting request

아래와 같이 오류 발생시 주석처리 또는 아래와 같이 소스 변경해야합니다. AH02429: Response header name 'P3P ' contains invalid characters, aborting request 기존 소스 내용 @header ("P3P : CP=\"ALL CURa ADMa DEVa TAIa OUR BUS IND PHY ONL UNI PUR FIN COM NAV INT DEM CNT STA POL HEA PRE LOC OTC\""); 해결방법 변경 소스 내용 @header ("P3P: CP=\"CAO DSP AND SO ON\" policyref=\"/w3c/p3p.xml\"");

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