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FFmpeg on CentOS
This article will guide you on how to install FFMPEG on #CentOS and fix its related #errors. FFmpeg is a powerful tool that can do almost anything with #multimedia files.
FFmpeg is a standard package on many #linux systems.
You can check if it is installed with a #command like dpkg -s ffmpeg .
If it is not installed, you should be able to install with your system's package manager. i.e. sudo apt-get install ffmpeg or search 'ffmpeg' in the Software Center on Ubuntu.
To run #FFmpeg in #Linux:
1. Start by updating the packages list: sudo apt update.
2. Next, install FFmpeg by typing the following command: sudo apt install ffmpeg.
3. To validate that the package is installed properly use the ffmpeg -version command which prints the FFmpeg version: ffmpeg -version.
NTP amplification attack
This article will guide you on steps to mitigate this #NTP amplification attack. An Amplification Attack is any attack where an attacker is able to use an amplification factor to multiply its power. Examples of #amplification #attacks include Smurf Attacks (ICMP amplification), Fraggle Attacks (#UDP amplification), and DNS Amplification.
DNS flood is a type of Distributed Denial of Service (#DDoS) attack in which the attacker targets one or more Domain Name System (#DNS) servers belonging to a given zone, attempting to hamper resolution of resource records of that zone and its sub-zones.
To harden your DNS server:
1. Audit your DNS zones. First things first.
2. Keep your DNS servers up-to-date.
3. Hide BIND version.
4. Restrict Zone Transfers.
5. Disable DNS recursion to prevent DNS poisoning attacks.
6. Use isolated DNS servers.
7. Use a DDOS mitigation provider.
8. Two-Factor Authentication.
Setup OpenVPN on Windows Server
This article will guide you on how to setup OpenVPN on windows.
OpenVPN is a virtual private #network (#VPN) system that implements techniques to create secure point-to-point or site-to-site connections in routed or bridged configurations and remote access facilities.
To Configure OpenVPN client as service on Windows:
1. Editing your OpenVPN client configuration.
2. Storing your PrivateVPN.com credentials in a file.
3. Import edited .ovpn file and user.auth file to OpenVPN #config folder.
4. Configuring OpenVPN service to start automatically on boot.
To connect to OpenVPN from Windows Server:
i. Navigate to your #OpenVPN Access Server client web interface.
ii. Login with your credentials.
iii. Select 'OpenVPN Connect for #Windows'.
iv. Wait until the download completes, and then open it (specifics vary depending on your browser).
Perfmon Counters for memory usage
This article will guide you on how to use Perfmon Counters for memory usage. You will also learn some commonly used performance counters which can be used to identify #SQL server memory pressure.
To detect a memory leak using #Performance #Monitor, monitor these counters: The Memory/Available Bytes counter lets you view the total number of bytes of available memory. This value normally fluctuates, but if you have an application with the memory leak, it will decrease over time.
A system performance report is a part of Performance Monitor that details the status of local hardware resources, system response times, and processes on the local computer. You can use this information to identify possible causes of performance issues.
SQL performance tuning consists of making queries of a relation database run as fast as possible.
To Check Detailed #Memory #Usage with Performance Monitor:
1. To open up Performance Monitor type: perfmon into the Run window (Windows Key + R).
2. In the window that comes up, click the Performance Monitor under Monitoring Tools in the left pane.
Reporting services configuration manager
This article will guide you on how to setup reporting services configuration manager. Report Manager is Web based interface that can be used to perform different tasks such as. Administer the Report Server,View the Reports and Manager the Report, and so on. You need to have the URL to access the Report Server by using Report Manager interface.
SQL Server Reporting Services (#SSRS) is a reporting #software that allows you to produce formatted reports with tables in the form of data, #graph, images, and charts. These reports are hosted on a server that can be executed any time using parameters defined by the users.
Report server items are always stored in libraries or in a folder within a library.
When you access the SharePoint site, you see the Browse page and the Library Tools tab.
In #Reporting Services, URLs are used to access the Report Server Web service and the web portal. A test link of the URL appears on page when you define the URL so that you can immediately confirm that the settings you specified result in a valid connection.
To connect to Reporting Services Configuration Manager:
1. Click Start, then click #Programs, then click #Microsoft #SQL Server, then click Configuration Tools, and then click Report Server Configuration Manager.
2. The Report Server Installation Instance Selection dialog box appears so that you can select the report server instance you want to configure.
WordPress Error Too Many Redirects Issue
This article will guide you on how to resolve “error too many #redirects issue” in #WordPress.
There are no limits in using 301 redirects on a site. You can implement multiple number of 301 redirects without getting any penalty.
But Too many 301 redirects put unnecessary load on the server and reduce speed.
Try to reduce direct redirects by using rules.
To fix WordPress #301 Moved Permanently:
i. Change the #HTTPS response code to 200 if you don't want the URL to redirect.
ii. If the URL is supposed to redirect, then remove the loop and fix the final destination URL.
