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server

CentOS LVM (Logical Volume Manager) basic management
TCP Keepalive 를 통한 연결 유지
Time_Wait 원인과 tcp_tw_reuse 활용
tshark 를 통한 MySQL 쿼리 확인
Strace (linux trace system calls and signals)
postgresql93+Postgis install from CentOS6
Centos NIC ring buffer size 조절
CentOS 7 OvpenVpn Oracle Freeradius 연동
CentOS 7 OpenVpn install
JVM APM pinponit 1.6 install
pptpd/xl2tpd vpn with freeradius2 install
Migrate from FirewallD to Iptables on CentOS 7