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Security against Brute attack
This volume of failed logins is normal background noise for any server with port 22 open to the i...
Essential logs to watch
For an Ubuntu server administrator, I recommend monitoring logs in six major areas: kernel/hardwa...
Journal log size Opimization
/var/log/journal is too high You can quickly clear space by running sudo journalctl --vacuum-siz...
Brute attack and /var/log/btmp
**/var/log/btmp` is a system security log that records all failed login attempts to your Linux se...
Mariadb Slow log
/var/log/mysql/mariadb-slow.log is the standard file path used to store the slow query log in Mar...
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Clone damaged disk
Reallocated Sectors: 90 suddenly increase and gives errors I/O input error. I wish to backup data...
Web Font Style
https://share.google/aimode/iyzirzEHOtRzNCADS https://share.google/aimode/0ZS1r7mVZB0vSyQet htt...
DJI 동영상 최적 변환 조건
For the best streaming performance and browser compatibility on an Immich server, encode your DJI...
Check disk I/O speed
우분투에서 디스크의 읽기 및 쓰기 성능을 확인하려면 dd 명령어, hdparm 명령어, 또는 fio 도구를 사용할 수 있습니다. 가장 쉽고 빠른 방법은 기본 도구인 d...
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