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CentOS 6 에 rsyslog7 설치하기 1. rsyslog7 설치 시 에러 발생 # yum install rsyslog7 Loaded plugins: fastestmirror, security … Resolving Dependencies --> Running transaction check ---> Package rsyslog7.x86_64 0:7.4.10-7.el6 will be installed --> Processing Dependency: libestr.so.0()(64bit) for package: rsyslog7-7.4.10-7.el6.x86_64 --> Running transaction check ---> Package libestr.x86_64 0:0.1.9-2.el6 will be..

Wildcard DNS record https://en.wikipedia.org/wiki/Wildcard_DNS_record Set Up WildCard DNS If you have a dedicated IP address, you can create a wildcard A record by setting the Host Name value to an * (asterisk). When you do so, if the subdomain queried does not exist, the server will respond with the IP address specified in the Zone File Editor as the wildcard. For example, if someone were to vi..

SSL 인증서 만료일 체크 스크립트(90일 이하 도메인 알람) yum install -y unzip wget mailx mkdir -p /root/ssl_check wget https://gist.github.com/stevenringo/2fe5000d8091f800aee4bb5ed1e800a6/archive/419447481702d73ead72a5d393c10fcb1ba5d0fc.zip -P /root/ssl_check unzip /root/ssl_check/419447481702d73ead72a5d393c10fcb1ba5d0fc.zip -d /root/ssl_check/ mv /root/ssl_check/2fe5000d8091f800aee4bb5ed1e800a6-419447481702d73ead72a..

CentOS7 bonding and team(teaming) A Comparison of Features in Bonding and Team https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/networking_guide/sec-comparison_of_network_teaming_to_bonding CentOS / RHEL 7 : How to create an Network Bonding (NIC teaming) using nmcli https://www.thegeekdiary.com/centos-rhel-7-how-to-create-an-interface-bonding-nic-teaming-using-nmcli/..

킥스타트로 설치 자동화하기 ##### selinux ##### perl -pi -e 's/^SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config ###### reboot ##### ##### Packages Installation ##### yum install -y tftp tftp-server syslinux-tftpboot xinetd dhcp dhcp-devel syslinux yum install -y epel-release yum install -y nginx ##### tftp ##### sed -i '/disable/ s/yes/no/' /etc/xinetd.d/tftp ##### dhcpd ##### cat /usr/share/doc/dh..