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How to create cgroups in RHEL/CentOS 7
cgroups allow for system resources to be limited for certain user’s processes, which are defined in configuration files. This is useful e.g. if you wish to limit a compiler’s maximum…
Tuned – Automatic Performance Tuning of CentOS/RHEL Servers
To maximize the end-to-end performance of services, applications and databases on a server, system administrators usually carry out custom performance tunning, using various tools, both generic operating system tools as…
How to ‘safely’ delete Mysql relay-bin log file??
Disk is getting full. When using du, I could see my MySQL log folder is taking up all the disk. These files are not mysql-bin files, instead, these are mysql-relay-bin…
How to set watermarks in video using FFMPEG
To watermark video using FFmpeg, run ffmpeg -i SOURCE.mp4 -vf "drawtext=text='WATERMARK_TEXT':x=10:y=H-th-10:fontsize=32:fontcolor=white:shadowcolor=black:shadowx=2:shadowy=2" OUT.mp4 In the above command replace SOURCE.mp4 = file name of the video you need to watermark. OUT.mp4 =…
How to install LetsEncrypt SSL on Bitnami WordPress Server?
To install a free LetsEncrypt SSL certificate on bitnami WordPress installation, do the following log in to the server as user “bitnami” using SSH/putty. Run command sudo /opt/bitnami/bncert-tool It will…
How to fix Cpanel Server shared IP address show customer site?
On a Cpanel Server, when you visit a shared IP address used by multiple websites, you will see the website of the first VirtualHost entry. This is not good when…
How To Fix Video Conversion Problem in Clipbucket?
This topic has been discussed many times so i am going to write a complete guide to track your video conversion problem and fix it. I am using ClipBucket 2.0.9,…
ACME (acme.sh) Free SSL Certificate?
ACME (acme.sh) is a shell script for generating LetsEncrypt SSL certificate. acme.sh is written in bash, so it works on any Linux server without special requirements. For getting SSL, another…