Linux
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Linux Config 설정하기Linux 2024. 5. 7. 15:50
1. 고정 IP 설정하기12345678[root@podman ~]# cd /etc/sysconfig/network-scripts/[root@podman network-scripts]# lsifcfg-ens192 [root@podman network-scripts]# vi ifcfg-ens192 [root@podman network-scripts]# systemctl restart NetworkManager Colored by Color Scriptercs 1234567891011[root@podman network-scripts]# nmtui [root@podman network-scripts]# nmcli con showNAME UUID ..
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패스워드 입력없이 SSH 접속하기Linux 2024. 4. 30. 18:50
* 출발지 IP : 1.1.1.1* 도착지 IP : 2.2.2.2 [출발지 IP 에서만 설정] - (1.1.1.1) 1. SSH 공개키 생성하기 $ ssh-keygen -- Enter 3번하기 2. vi /etc/hosts 등록하기ex)123456127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 1.1.1.1 2.2.2.2 Colored by Color Scriptercs" target="_blank" rel="noopener" dat..
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SSL 인증서 생성하기Linux 2024. 4. 29. 17:56
[Redhat OS 인증서 생성] - (rhel 8.6) 1. 패키지 설치 $ yum install openssl$ yum install mod_ssl $ ls -lh /etc/httpd/modules/mod_ssl.so (mod_ssl.so 있는지 확인) 2. SSL 인증서 생성하기 $ mkdir cert $ openssl genrsa -des3 -out server.key 2048 $ openssl req -new -key server.key -out server.csr { Country Name : KR State or Prov..
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Ubuntu OS 초기 설정하기Linux 2024. 4. 29. 17:08
(-) Wired Connected > Wired Settings > IP / GW / DNS 설정 $ sudo passwd root $ echo nameserver 8.8.8.8 > /etc/resolv.conf $ sudo apt update $ sudo apt install openssh-server $ sudo apt install vim $ sudo apt install curl $ vi /etc/ssh/sshd_config { PermitRootLogin yes GSSAPIAuthentication no UseDNS no }$ service ssh res..
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Redhat OS 초기 설정하기Linux 2024. 4. 24. 15:56
1. root 설정 $ su -$ passwd $ vi /etc/ssh/sshd_config{ PermitRootLogin yes GSSAPIAuthentication no UseDNS no} $ systemctl restart sshd $ chmod 755 /etc/sudoers$ vi /etc/sudoers$ chmod 400 /etc/sudoers $ echo nameserver 8.8.8.8 > /etc/resolv.conf$ hostnamectl set-hostname { 호스트명 } 2. Repositoy 설정-- Redhat ID 를 등록하여 레포지토리 설정하기..