The redhat-upgrade-tool provides a way to upgrade Red Hat Enterprise Linux 6 systems to Red Hat Enterprise Linux 7. The redhat-upgrade-tool command is a program to collect the information for upgrade and prepare the environment. It includes downloading kernel, and initial ram image, and packages.
Category: Operating System
An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.
This new server virtualization management platform can be easily deployed to configure, monitor, and manage an Oracle Linux Kernel-based Virtual Machine (KVM) environment with enterprise-grade performance and support from Oracle. Red Hat did it and developed Red Hat Enterprise Virtualization Manager based on the open source oVirt project .
The Unbreakable Enterprise Kernel (UEK) for Oracle Linux provides the latest open source innovations and key optimizations and security to enterprise cloud workloads. It is the Linux kernel that powers Oracle Cloud and Oracle Engineered Systems such as Oracle Exadata Database Machine as well as Oracle Linux on any Intel-64, AMD-64 or ARM hardware.
Powerful hardware, modern and new operating system are nothing when those components are not properly configured. Best practices which published by vendors, helping us to achieved good performance and reduce issues but best practices are general and may be not tested on specific hardware.
DTrace is a comprehensive dynamic tracing framework created by Sun Microsystems for troubleshooting kernel and application problems on production systems in real time. Originally developed for Solaris, it has since been released under the free Common Development and Distribution License (CDDL) in OpenSolaris and it’s descendant illumos, and has been ported to several other Unix-like systems.
What do you need for Small and Medium-Sized Enterprise businesses in IT department? Directory service, Mail service, Firewall. Anti-Spam, and many other services. You have to pay for each service if you want to have proprietary software such as Microsoft’s products. When we are talking about cost, open-source software will help you to reduce costs. Please consider that open-source software has cost for you but it will lower than closed-source software.
Windows 2008 was born on February 2018 and Microsoft released Windows 2008 R2 on October 2009. I think, Windows 2008 R2 was one of most popular Windows servers in history.
Now, Windows 7, Windows 2008 and Windows 2008 R2 are old men. We have to say goodbye to these guys in this year and next year.
Microsoft has published updates for supported versions of Windows. Windows 10 and Windows Server 2019 have update but there is no new feature. Windows Server 2016, 2012 R2, 2012 and 2008 also have same situation. Let’s review that what is fixed in the new updates at January 8, 2019.
VNC is a fast and secure way to managing Linux systems via GUI remotely. VNC needs proper configuration to work without issue. Configure VNC on Linux systems will be difficult and confusing for beginners. Fortunately, Red Hat provides an application to create VNC configuration as a script automatically.
Microsoft has published updates for supported versions of Windows. Windows 10 and Windows Server 2019 have update but there is no new feature. Windows Server 2016, 2012 R2, 2012 and 2008 also have same situation. Let’s review that what is fixed in the new updates at December 11, 2018.
FreeBSD is like tiger with unknown abilities. This BSD based operating system is very popular. Companies and people using FreeBSD for wide ranges of needs. Companies using it as web server, database server and … . People can using FreeBSD for laptop and desktop.
Which guy is hottest? At this week, Red Hat based distributions gets new updates. CentOS is most popular Linux distribution as a completely free for RHEL. New release has published two days ago. The new release is contains of some major changes. Some packages are deprecated on this release as well.
Red Hat has introduced beta version of Enterprise Linux with lot of new features to covering bushiness requirements that previous version can’t cover those requirements. it’s a major version and we’ll see big changes in GA version.
Some new packages are added to the image and some of packages, drivers and features have been removed in this version.
Oracle Linux 7 Update 6 is shipping with the below kernels:
Unbreakable Enterprise Kernel (UEK) Release 5 (4.14.35-1818.3.3) for x86-64 and ARM
Red Hat Compatible Kernel (3.10.0-957) for x86-64 only
Note: Unbreakable Enterprise Kernel (UEK) Release 5 is newest major version of UEK by Oracle and not a release of Linux Kernel, this kernel is based on the mainline Linux kernel version 4.14.35. Supporting 64-bit ARM (aarch64) architecture has been introduced with this version of UEK.
This post is about NTP Software implementations actually, but I have to write some words about NTP. NTP is an angle for financial applications, actually some of services such as banking services are very depended to clock synchronizations protocols. NTP is an ancient thing, it is more than 30 years old and even older than Windows 7 and Windows XP.
Microsoft has announced general availability of Windows Server 2019 on 2 October 2018. Latest version of Windows Server comes with cool features that I want to review those features in this post. It was announced on March 20, 2018, and the first Windows Insider preview version was released on the same day. Windows Server 2019 is built on the strong foundation of Windows Server 2016 and brings numerous innovations on four key themes: Hybrid, Security, Application Platform, and Hyper-Converged Infrastructure (HCI).