CentOS
How to Start/Stop and Enable/Disable FirewallD CentOS 7 Start FirewallD Service # systemctl start firewalld Stop FirewallD Service # systemctl stop firewalld Check the Status of FirewallD # systemctl status firewalld Check the State of FirewallD # firewall-cmd --state Disable FirewallD Service # systemctl disable firewalld Enable FirewallD Service # systemctl enable firewalld
MikroTik
How to configure PPTP Server on MikroTik PPTP is a secure tunnel for transporting IP traffic using PPP. PPTP encapsulates PPP in virtual lines that run over IP. PPTP incorporates PPP and MPPE (Microsoft Point to Point Encryption) to make encrypted links. The purpose of this protocol is to make
Network
How to Backup MikroTik configuration in plain text format From Terminal window type text: /export file=Backup_File_Name compact Plain text configuration file you can found in Files:
CentOS
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
Linux
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 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 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
CentOS
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) 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
Linux
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 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
We can force to update Ubuntu using ipv4 apt-get -o Acquire::ForceIPv4=true update apt-get -o Acquire::ForceIPv4=true upgrade