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Service

Date
2024/12/02
Category
Devops
Tag
Linux
λͺ©μ°¨

Service

λ°±κ·ΈλΌμš΄λ“œ ν”„λ‘œμ„ΈμŠ€μ˜ 범주에 λ“€μ–΄κ°€λ©°, μž‘μ—…μ΄ 계속 μ‹€ν–‰λ˜λŠ” ν”„λ‘œμ„ΈμŠ€

Daemon Process

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μ‚¬μš©μžκ°€ 직접 μ œμ–΄ν•˜μ§€ μ•Šκ³  λ°±κ·ΈλΌμš΄λ“œμ—μ„œ λ™μž‘ν•˜λŠ” ν”„λ‘œμ„ΈμŠ€
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λŒ€λΆ€λΆ„μ˜ 데λͺ¬ ν”„λ‘œμ„ΈμŠ€ 이름은 d둜 끝남 (sshd, httpd, vsftpd, …)
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μ‹œμŠ€ν…œ λΆ€νŒ… μ΄ˆκΈ°ν™” ν”„λ‘œμ„ΈμŠ€λŠ” initμ—μ„œ systemd둜 λ°œμ „

μ„œλΉ„μŠ€ 관리

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systemd (System Management Daemon)
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Ubuntu 15.04 이후 λŒ€λΆ€λΆ„μ˜ μ„œλΉ„μŠ€ 관리
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init
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Linux 정상 λΆ€νŒ…μ„ μœ„ν•œ μ΄ˆκΈ°ν™” ν”„λ‘œμ„ΈμŠ€
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/etc/init.d ν•˜μœ„ μ‹€ν–‰νŒŒμΌμ„ 톡해 μ„œλΉ„μŠ€λ₯Ό λ™μž‘μ‹œν‚΄
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μ„œλΉ„μŠ€ 관리 λͺ…λ Ήμ–΄
# μ„œλΉ„μŠ€ μƒνƒœ 확인 service [μ„œλΉ„μŠ€λͺ…] [μƒνƒœ] # systemd λͺ…λ Ήμ–΄ systemctl list-unit-files # μ„œλΉ„μŠ€ λͺ©λ‘ 확인 systemctl start [μ„œλΉ„μŠ€λͺ…] # μ„œλΉ„μŠ€ μ‹œμž‘ systemctl stop [μ„œλΉ„μŠ€λͺ…] # μ„œλΉ„μŠ€ μ’…λ£Œ systemctl restart [μ„œλΉ„μŠ€λͺ…] # μ„œλΉ„μŠ€ μž¬μ‹œμž‘ systemctl enable [μ„œλΉ„μŠ€λͺ…] # μ„œλΉ„μŠ€ λΆ€νŒ… μ‹œ ν™œμ„±ν™” systemctl disable [μ„œλΉ„μŠ€λͺ…] # μ„œλΉ„μŠ€ λΆ€νŒ… μ‹œ λΉ„ν™œμ„±ν™” systemctl reload [μ„œλΉ„μŠ€λͺ…] # μ„œλΉ„μŠ€ μ„€μ • κ°±μ‹  systemctl status [μ„œλΉ„μŠ€λͺ…] # μ„œλΉ„μŠ€ μƒνƒœ 확인 # ex service vsftpd start / systemctl start vsftpd
Bash
볡사
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μ„œλΉ„μŠ€ μƒνƒœ
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Loaded: μ„œλΉ„μŠ€ μœ λ‹› λ©”λͺ¨λ¦¬ λ‘œλ“œ μƒνƒœ
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enabled: λΆ€νŒ… μ‹œ μ‹€ν–‰
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disabled: λΆ€νŒ… μ‹œ μ‹€ν–‰λ˜μ§€ μ•ŠμŒ
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Active: μ„œλΉ„μŠ€ μœ λ‹› μ‹€ν–‰ μ—¬λΆ€
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active (running): ν”„λ‘œμ„ΈμŠ€ 정상 μ‹€ν–‰ 쀑
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active (exited): 초기 μ„€μ • μ™„λ£Œ ν›„ λŒ€κΈ° 쀑
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active (waiting): μΈν„°λŸ½νŠΈ μ‹ ν˜Έ λŒ€κΈ°
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inactive: μ‹€ν–‰ 쀑이 μ•„λ‹˜
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Main PID: κΈ°λ³Έ ν”„λ‘œμ„ΈμŠ€ ID
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status: μ„œλΉ„μŠ€μ— λŒ€ν•œ μΆ”κ°€ 정보