CentOS
How To Install EPEL Repo on a CentOS and RHEL 7.x
How To Install EPEL Repo on a CentOS and RHEL 7.x The following command will install EPEL Repo on a CentOS and RHEL 7.x: $ sudo yum install epel-release Install EPEL on CentOS 8.x
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Linux
How to Unlock Zimbra Accounts from Command Line
To unlock Zimbra account from Command Line : # /opt/zimbra/bin/zmprov ma [email protected] zimbraAccountStatus active Unlock Zimbra admin account: # /opt/zimbra/bin/zmprov ma admin zimbraAccountStatus active
Linux
Deleting files in Linux - Argument list too long
Deleting files in Linux – Argument list too long When you’re trying to delete large number of files, you may have error: Argument list too long As solution you can use command: # find . -type f -print -delete Next command also will show many files will be deleted and then how
FFmpeg
bind failed: Permission denied
Bind Failed: Permission denied How to solve problem when you cant execute ffmpeg form user and ports are below 1024. In UNIX-like systems, non-root users are unable to bind to ports lower than 1024. You need to be root to bind a port below 1024, or or you could give
CentOS
Showing the original visitors IP addresses in VestaCP
If you using VestaCP with Cloudflare Global Content Delivery Network (CDN) in logs you will have problem with showing the original visitors IP addresses in logs. Its very easy to fix. Add to NGINX main config file (before include and # Wildcard include) next directives: NGINX main config file location: /etc/
CentOS
Intel Visual Compute Accelerator (VCA) crash CentOS 7
Intel Visual Compute Accelerator (VCA) can crash CentOS 7 if yiu dont have kernel option “nosmap”. Due to CentOS 7.1 not having full support for Intel® Xeon® Processor E5-2600 v4 family, the kernel option “nosmap” must be added when booting CentOS 7.1 based OSs with this family of
Linux
MySQL Connect Remote Database
MySQL Connect Remote Database For remotely access to mysql database use command: mysql -u User -p -h RemoteMySQLdatabaseIP Were: User – remote MySQL server user, RemoteMySQLdatabaseIP – remote MySQL database IP example: # mysql -u User_Name -p -h 11.22.33.44 Enter password: Welcome to the MySQL monitor. Commands end with
WordPress
WordPress Plugins. Top 10
WordPress Plugins. Top 10 Here is best WordPress Plugins list you must have. Jetpack by WordPress.com Jetpack is a simple and powerful plugin that enables all of the power and flexibility you need from your WordPress. Jetpack tells you how many visits your site gets and helps you get
Linux
Problem with IPv6 sudo apt-get update/upgrade
We can force to update Ubuntu using ipv4 apt-get -o Acquire::ForceIPv4=true update apt-get -o Acquire::ForceIPv4=true upgrade
Linux
VNC error - only supporting 8,15, 16 and 25 bpp..
VNC error – only supporting 8,15, 16 and 25 bpp rdp connections During Remote Desktop Connection (RDP) from Windows to Linux you can face with VNC error “only supporting 8,15, 16 and 25 bpp rdp connections” It’s very easy to fix: * Open Windows RDP -> Show options
CentOS
How to Remote Desktop from Windows to Linux
How to Remote Desktop from Windows to Linux You can connect to Linux machine from Windows using standard Windows Remote Desktop Connection (RDP). First we need xrdp package on Linux server. xrdp provides a graphical login to remote machines using RDP (Microsoft Remote Desktop Protocol). xrdp accepts connections from variety
Network
Configure One to One NAT in SonicWALL
One to One NAT (1:1 NAT )allows you to translate an internal IP address into a unique IP address. 1 Create 2 Address Objects One for Server IP on LAN and another for Public IP of the server Go to Network > Address Objects. 2 Create NAT Policy This