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# Start|Stop network devices
# configuration in '/etc/sysconfig/network-scripts'
ifup eth0
ifdown eth0
service network start (start|stop|restart)

# Edit init-scripts
ntsysv

# -------------------------
# Package manager
# -------------------------

# Search keyword
yum search

# Show information
yum info PACKAGE

# Install
yum install PACKAGE

# Remove
yum erase PACKAGE

# Install local package file
yum localinstall FILENAME

# List installed packages
rpm -qa

# Refresh package list
yum check-update

# Install updates
yum update