Error: Failed to download metadata for repo ‘ol8_baseos_latest’ Linux Rhel8 and Oracle linux 8

Oracle linux 8 Error

19 February 2020   0 Comment

I encountered a problem with yum repository problem on Oracle linux 8, you can produce a solution by doing the following operations. It can also cause the following issues. Incorrect date and time settings Old dnf cache available or expired Proxy address not defined or proxy address specified in /etc/dnf/dnf.conf file is incorrect cd /etc/yum.repos.d […]

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How to configure yum server in Oracle linux 5,6,7


6 December 2019   0 Comment

In this article, we will learn how to congure yum server in dierent Oracle Linux versions. YUM repository is a software package manager which allows you to easily install, update or delete RPMs. Most of the required RPM packages come along with the Linux installer CD. But! if you have internet connection, you can congure […]

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Linux Copy on – Write (COW) Dirty COW CVE-2016-5195

15 September 2019   0 Comment

First of all, Hello to everyone, I have not been writing for a long time, I wanted to return with remarkable information. Dirty Cow is known as a privilege-escalation error. Dirty Cow was named after the research of the Red Hat firm because of the copy-on-write (COW) mechanism in the Linux Kernel mechanism. ). in […]

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