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CentOS

CentOS Project

Settings

# Temporary
modprobe -r pcspkr

# Permanently
echo blacklist pcspkr >> /etc/modprobe.d/blacklist

Update

Network

nmcli

CLI

nmcli devices

nmtui

GUI

Restart

systemctl restart NetworkManager

Proxy

/etc/yum.conf

proxy=http://proxyserver:8080
proxy_username=user
proxy_password=pass

Hosts

/etc/hosts

Port・Firewall

TIPS

Using Filer

xdg-open .

Ruby

yum -y install gcc
yum -y install make
yum -y install gcc-c++
yum -y install zlib-devel
yum -y install httpd-devel
yum -y install openssl-devel
yum -y install curl-devel