Server

sync; dd if=/dev/zero of=tmp4bench bs=1M count=1024; dd if=tmp4bench of=/dev/zero bs=1M count=1024; rm -f tmp4bench ; sync   hdparm -Tt /dev/sda  

# free # cat /proc/meminfo | grep MemTotal # grep -c processor /proc/cpuinfo # grep ^processor /proc/cpuinfo | wc -l # grep 'cpu cores' /proc/cpuinfo | tail -1

80 port concurrent connection count # netstat -nap | grep :80 | grep ESTABLISHED | wc -l     80 port connection count # netstat -n|grep -F :80|egrep '(ESTAB|SYN)'|awk '{print $5}'|sed 's/:[0-9]*//'|sort -u|wc -l   all port connection count # netstat -nap | grep ESTABLISHED | wc -l      

# yum repolist check epel .... # yum install npm nodejs # node -v # npm -v

centos 7 NTP synchronized   # timedatectl  status     # timedatectl set-ntp true   More Hint! # timedatectl | grep -i 'time zone' # ls -l /etc/localtime # timedatectl list-timezones | grep Asia/Seoul # timedatectl set-timezone Asia/Seoul Asia/Seoul => KST     yum install -y ntp firewall-cmd --add-service=ntp --permanent firewall-cmd --reload systemctl enable ntpd systemctl […]

# mysqladmin -u root -p passwd -i 1 processlist

# ps -e -T | grep mysql | grep "[0-9][0-9]:[0-9][1-9]:[0-9][0-9]\s"

# top -H -p `ps aux | grep mysql | awk '{print $2}' | paste -s -d ',' `

configurate apache-caucho   /etc/httpd/conf/httpd.conf LoadModule caucho_module modules/mod_caucho.so <Location /caucho-status> AuthType Basic AuthName "restricted area" AuthUserFile /home/domain/.htpasswd require valid-user   SetHandler caucho-status </Location> <Location /servlet/*>    SetHandler caucho-request </Location> NameVirtualHost *:80 <VirtualHost *:80> ServerName www.domain.com DocumentRoot /home/domain/public_html php_admin_value open_basedir /home/domain:/tmp php_admin_value include_path /home/domain LimitRequestLine 81900 <FilesMatch "^((?!\.php).)*$"> ResinConfigServer localhost 6800 CauchoConfigCacheDirectory /etc/httpd CauchoStatus yes   </FilesMatch>   […]

/etc/resin/resin.properties   app.http          : 8080 web.http          : 8080 remote_admin_enable : true web_admin_enable : true web_admin_external : true admin_external : true admin_secure : true   http://www.domain.com:8080/resin-admin/login.php   Generate encrypted password by [Create Configuration FIle]     /etc/resin/admin-users.xml <resin:AdminAuthenticator xmlns="http://caucho.com/ns/resin"                     […]