리눅스 시스템 모니터링 vmstat command
# Operation System/Linux2022. 11. 1. 07:49리눅스 시스템 모니터링 vmstat command

[darksharavim]vmstat 1 5 procs -----------memory---------- ---swap-- -----io---- -system-- ------cpu----- r b swpd free buff cache si so bi bo in cs us sy id wa st 1 0 2551860 8171968 0 2549512 0 0 3 11 0 0 1 0 99 0 0 0 0 2551860 8171912 0 2549512 0 0 0 411 541 998 1 0 99 0 0 0 0 2551860 8171880 0 2549512 0 0 0 0 462 918 0 0 100 0 0 0 0 2551860 8171912 0 2549512 0 0 0 0 523 949 0 1 99 0 0 0 0 25..

리눅스 시스템 모니터링 top command
# Operation System/Linux2022. 10. 25. 14:40리눅스 시스템 모니터링 top command

top 시스템의 상태 파악(cpu, 메모리, 프로세스) 기본설정은 3초마다 화면갱신 [darksharavim]top top - 13:40:57 up 179 days, 22:28, 2 users, load average: 0.00, 0.02, 0.05 Tasks: 200 total, 1 running, 199 sleeping, 0 stopped, 0 zombie %Cpu(s): 1.4 us, 2.9 sy, 0.0 ni, 95.7 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st KiB Mem : 16266496 total, 8796040 free, 5646192 used, 1824264 buff/cache KiB Swap: 5242876 total, 2562760 free, 2680116 us..

[파이썬]centos7x chrome driver 사용
# Operation System/Linux2022. 10. 20. 16:17[파이썬]centos7x chrome driver 사용

설치환경 [darksharavim.tistory.com]cat /etc/redhat-release CentOS Linux release 7.9.2009 (Core) 크롬설치 [darksharavim.tistory.com]yum -y install https://dl.google.com/linux/direct/google-chrome-stable_current_x86_64.rpm [darksharavim.tistory.com]rpm -qa | grep google-chrome google-chrome-stable-106.0.5249.119-1.x86_64 크롬드라이버 설치 [darksharavim.tistory.com]google-chrome --version Google Chrome 106.0.5249...

vsftp 초기 셋팅 및 ssl설정
# Operation System/Linux2022. 10. 19. 00:52vsftp 초기 셋팅 및 ssl설정

default [darksharavim.tistory.com]cat vsftpd.conf | grep -v '#' anonymous_enable=YES local_enable=YES write_enable=YES local_umask=022 dirmessage_enable=YES xferlog_enable=YES connect_from_port_20=YES xferlog_std_format=YES listen=NO listen_ipv6=YES pam_service_name=vsftpd userlist_enable=YES tcp_wrappers=YES setting value anonymous_enable=NO # 보안상 anonymous계정 접근차단 local_enable=YES write_enable=..

curl command
# Operation System/Linux2022. 9. 21. 08:09curl command

cURL은 FTP, 고퍼(Gopher), HTTP, HTTPS, SCP, LDAP등 다양한 통신규악을 지원하는 명령줄 방식의 데이터 전송도구이다. download/upload 모두 가능하며 HTTP, HTTPS, FTP, LDAP, SCP, TELNET, SMTP, POP3 등 중요 프로토콜을 지원하며 Linux/Unix 계열 및 Windows 등 중요 OS에서 구동된다. curl command line tool and library for transferring data with URLs (since 1998) Time to donate to the curl project? Everything curl is a detailed and totally free book that explains basica..

image