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Linux8

[Linux] apt-get update PUBKEY 에러 (he following signatures couldn't be verified because the public key is not available: NO_PUBKEY FEEA9169307EA071 NO_PUBKEY 8B57C5C2836F4BEB) apt-get update 시 아래와 같이 NO_PUBKEY 에러가 발생 했을 시 $ apt-get update Get:1 https://download.docker.com/linux/ubuntu xenial InRelease [66.2 kB] Hit:2 http://security.ubuntu.com/ubuntu xenial-security InRelease Hit:3 http://kr.archive.ubuntu.com/ubuntu xenial InRelease Hit:4 http://kr.archive.ubuntu.com/ubuntu xenial-updates InRelease Err:5 https://apt.kubernetes.io kubernetes-xenial InRelease The follo.. 2022. 1. 5.
[journalctl] how to use journalctl (journalctl 사용법) journalctl 사용법 how to use journalctl view basic log $ journalctl 7월 29 16:25:57 VirtualBox systemd-journald[214]: Runtime journal (/run/log/journal/) is 8.0M, max 80.9M, 72.9M free. 7월 29 16:25:57 VirtualBox kernel: Initializing cgroup subsys cpuset 7월 29 16:25:57 VirtualBox kernel: Initializing cgroup subsys cpu 7월 29 16:25:57 VirtualBox kernel: Initializing cgroup subsys cpuacct 7월 29 16:25:57.. 2019. 7. 31.
[systemctl] how to use systemctl (systemctl 사용법) how to use systemctl command. check systemd list systemctl list-unit-files start systemd systemctl start [service name] stop systemd systemctl stop [service name] restart systemd systemctl restart [service name] enable systemd systemctl enable [service name] disable systemd systemctl disable [service name] reload systemd systemctl reload [service name] 2019. 7. 31.
[우분투] ubuntu ssh install (우분투 ssh 설치) ubuntu ssh install (우분투 ssh 설치) install ssh1$ apt-get install openssh-servercs start ssh1$ service ssh restartcs confirm Installation123$ dpkg --get-selections | grep opensshopenssh-client installopenssh-server installcs 1234$ service ssh status● ssh.service - OpenBSD Secure Shell server Loaded: loaded (/lib/systemd/system/ssh.service; enabled; vendor preset: enabled) Active: active (running) si.. 2018. 12. 10.
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