Some Windows 7 admins are feeling the pain of Microsoft's latest updates in this week's Patch Tuesday releases. Thankfully for Microsoft, hardworking admins continue to spot bugs that it didn't detect during pre-release testing. This time they've found that its January security updates are bricking Windows 7 devices with an errant 'Not Genuine' Windows license error, and a bug that blocks administrator access to remote shares on Windows Server 2008 R2 and Windows 7. The issues stem from the Monthly Rollup update, KB4480970, and the security-only update, KB4480960, for Windows 7 SP1 and Windows Server 2008 R2 SP1. Günter Born's Borncity was first to report the Windows 7 Genuine brick and the separate network share issues bundled in these updates. As Born notes, monthly rollup KB4480970 addresses a serious PowerShell flaw and adds extra mitigations for Meltdown and Spectre side-channel attacks. While it was prudent to patch quickly, admins … [Read more...] about Microsoft’s killer Windows 7 patch: Breaks networking, bricks legit ‘Not genuine’ PCs
Add domain user to local admin group
How to Install RedHat Enterprise Virtualization (RHEV) 3.5 – Part 1
In this series we are discussing RHEV3.5 administration topics. RHEV is the RedHat Enterprise Virtualization solution, which is based on oVirt project [open-source Virtualization project]. Red Hat Enterprise Virtualization is a complete virtualization management solution for virtualized servers and desktops. This series will discuss (How to) administration topics including the RHCVA exam objectives. Part 1: How to Install RedHat Enterprise Virtualization (RHEV) 3.5 Part 2: How to Deploy RedHat Enterprise Virtualization Hypervisor (RHEV-H) Part 3: How to Deploy Data-Centers with Cluster and Add ISCSI Storage in RHEV Environment Part 4: How to Deploy ‘Linux’ and ‘Windows’ Virtual Machines under ISO Domains in RHEV Part 5: RHEV Clustering and RHEL Hypervisors Installation Part 6: How to Manage RedHat Enterprise Virtualization (RHEV) Virtual Machines Operations and Tasks Part 7: How to Manage RedHat Enterprise Virtualization Environment Users and Groups In our first … [Read more...] about How to Install RedHat Enterprise Virtualization (RHEV) 3.5 – Part 1
Install Zentyal as PDC (Primary Domain Controller) and Integrate Windows System – Part 1
This series will be titled Preparation for the setting up and managing Zentyal as PDC (Primary Domain Controller) through Parts 1-14 and covers the following topics. Part 1: Install Zentyal as PDC (Primary Domain Controller) and Integrate Windows System Part 2: How to Manage Zentyal PDC (Primary Domain Controller) from Windows System Part 3: Creating Organizational Units (OU) and Enableing GPO (Group Policy) in Zentyal PDC Server Part 4: Setup File Sharing and Permissions for All Users in Zentyal PDC Part 5: Integrate Ubuntu System in Zentyal PDC Part 6: Integrate CentOS/RedHat/Fedora in Zentyal PDC Part 7: Integrate Ubuntu 14.04 (Trusty Tahr) to Zentyal PDC Part 8: Installing FTP Server and Mapping FTP Directories in Zentyal PDC Part 9: Install and Configure Web Services (Apache Virtual Hosting) on Zentyal Server Part 10: Enabling UserDir and Password Protect Web Directories on Zentyal Webserver Part 11: Installing Pydio File Sharing Platform on Zentyal Web Server Part 12: How to … [Read more...] about Install Zentyal as PDC (Primary Domain Controller) and Integrate Windows System – Part 1
Install a Complete Mail Server with Postfix and Webmail in Debian 9
This tutorial will guide you on how to install and configure a complete mail server with Postfix in Debian 9 release. It will also cover how to configure accounts mailboxes using Dovecot in order to retrieve and compose mails via IMAP protocol. The users will use Rainloop Webmail interface as the mail user agent to handle mail. Requirements Debian 9 Minimal Installation A static IP address configured for the network interface A local or a public registered domain name. In this tutorial we’ll use a private domain account for mail server setup configured via /etc/hosts file only, without any DNS server involved in handling DNS resolution. Step 1: Initial Configurations for Postfix Mail Server on Debian 1. In the first step, login to your machine with an account with root privileges or directly with the root user and make sure your Debian system is up to date with the latest security patches and software and packages releases, by issuing the following command. # apt-get update # … [Read more...] about Install a Complete Mail Server with Postfix and Webmail in Debian 9
Setting Up NFS Server with Kerberos-based Authentication for Linux Clients
In the last article of this series, we reviewed how to set up a Samba share over a network that may consist of multiple types of operating systems. Now, if you need to set up file sharing for a group of Unix-like clients you will automatically think of the Network File System, or NFS for short. RHCE Series: Setting Up NFS Server with Kerberos Authentication – Part 7 In this article we will walk you through the process of using Kerberos-based authentication for NFS shares. It is assumed that you already have set up a NFS server and a client. If not, please refer to install and configure NFS server – which will list the necessary packages that need to be installed and explain how to perform initial configurations on the server before proceeding further. In addition, you will want to configure both SELinux and firewalld to allow for file sharing through NFS. The following example assumes that your NFS share is located in /nfs in box2: # semanage fcontext -a -t … [Read more...] about Setting Up NFS Server with Kerberos-based Authentication for Linux Clients