Mr. KB RSS Feed

• How To Tell Transfer Speed and PPS On Linux May 5, 2013
  This sometimes is helpful to see if your server, such as your dedicated server, is being attacked by denial of service attacks. The tool is “vnstat” and most package repositories, such as Debian or CentOS, should have them available. The use is simple: # vnstat -l -i eth0 Monitoring eth0… (press CTRL-C to stop) Below […]
• How To Enable TUN/TAP On KVM VPS April 11, 2013
  This is very simple and you do not need SolusVM # modprobe tun Verify that TUN is enabled: # cat /dev/net/tun cat: /dev/net/tun: File descriptor in bad state You should be all set, no SolusVM “Enable TUN/TAP” required! […]
• How To Disable Recursion In cPanel and cPanel DNS Only April 4, 2013
  It has been discussed that the default enabling of recursion on various DNS server web applications, such as cPanel and Kloxo on virtual private servers and other hosting, helped contribute to the massive 300Gbps DDoS attack against Spamhaus. This was done from a DNS amplification attack, which in a nutshell, is when you send a […]
• Installing Softaculous in cPanel March 30, 2013
  This is very easy for any cPanel VPS or cPanel dedicated server owner. First, this tutorial is for those who have paid for the license of Softaculous. Some third party license companies, like LicensePal, sell it for $1.50 per month or $18 for a year which is a great deal. We login via SSH and […]
• How To Enable Automatic Updates On Debian March 24, 2013
  This is a easy solution to fix. First, we login to our VPS or dedicated server and run this command: # apt-get install unattended-upgrades apticron This installs “unattended-upgrades” and “apticron”, which are needed for this. Now, we open up the configuration file for our unattended-upgrades. # nano /etc/apt/apt.conf.d/50unattended-upgrades We leave the ent […]
• How To Install Nginx on Debian March 21, 2013
  Nginx is a great webserver, especially on low memory systems or if you want an efficient webserver. This guide is for installing nginx on Debian Linux, and is very simple to do. First, we decide if we want “stable” or “development”. Stable is available through apt-get install nginx which is very easy but the stable […]
• WHMCS: Error Call to undefined function imagecreatefrompng March 11, 2013
  This is a very common error with WHMCS The exact error is: Fatal error: Call to undefined function imagecreatefrompng() in /home/your-username/public_html/includes/tcpdf.php on line 8424 This is because TTF is not enabled with PHP, which can happen if you migrate WHMCS between an older, established cPanel server to a newer one without EasyApache being ran. I […]
• MySQL Error 1194: Table Is Marked As Crashed And Should Be Repaired March 6, 2013
  Oh no!! Don’t worry, this is a MySQL error that can happen from time to time. To remedy this, we login to our MySQL server: mysql -u root -p Or mysql -u username -p Once inside, you will be presented with a welcome message with your MySQL Community Server version number and will be presented […]
• How To Install NGINX On CentOS March 6, 2013
  Nginx, or “Engine X”, is a growing in popularity webserver written by a Russian programmer by the name of Igor Sysoev. Igor’s software powers some of the most popular websites in Russia including Yandex, Mail.RU, and Rambler. In the United States and Europe, the nginx web server powers WordPress, Hulu, Netflix and FastMail.FM plus countless others […]
• How To Enable Remi, EPEL and RPM Forge on CentOS March 6, 2013
  This is a common knowledge base question with a very simple answer! First, you want to enable third party repositories to replace outdated official repositories (often called “repos”) maintained by CentOS or volunteers. REMI, EPEL and RPM Forge are three of the most commonly used CentOS repos. When I handle a fresh CentOS installation, I […]

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