IT Solutions Technology Blog

This can be easily achieved with ‚yum‘ command config file “/etc/yum.conf“ – under [main] section define the proxy settings like below

[main]
proxy=http://<Proxy-Server-IP-Address>:<Proxy_Port>
proxy_username=<Proxy-User-Name>
proxy_password=<Proxy-Password>

Just for the verification you can run beneath command to see whether you are able to fetch the packages or not

# yum repolist

Loaded plugins: langpacks, product-id, search-disabled-repos, subscription-manager
repo id                                                    repo name                                                          status
rhel-7-server-rpms/7Server/x86_64                          Red Hat Enterprise Linux 7 Server (RPMs)                           26,315
repolist: 26,315

Red Hat Enterprise Linux 7.7 – adds enhanced features for hybrid cloud deployments and containerized application development while retaining a focus on production stability

Red Hat Enterprise Linux  – Oracle recommends the following port range

# sysctl -w net.ipv4.ip_local_port_range=“1024 65000″

To make the change permanent, add the following line to the /etc/sysctl.conf file, which is used during the boot process:

net.ipv4.ip_local_port_range=1024 65000

The first number is the first local port allowed for TCP and UDP traffic, and the second number is the last port numbe