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10 Points Server Maintenance Checklist
Server Maintenance Checklist Just like any other computer, Linux servers need periodic...
Freeing Space
Problem: Is there a way to tell the kernel to give back the free disk space now? Like a write to...
How to install a custom BIN on CloudLinux (with CageFS)
CageFS creates a filesystem template in /usr/share/cagefs-skeleton directory. CageFS template...
How to silence a CRON and prevent it to send emails
Problem:Every time that a CRON is running, an email is sent.  Those emails aren't always...
Installing GeoIP (PECL) on WHM
In order to install GeoIP via PECL on a WHM enabled server, you must first install 2 modules:1)...
Installing IPSet on CentOS
CSF (ConfigServer Firewall) on a Linux system and you block a lot of IP addresses, performance...
PDFinfo
Pdfinfo is a pretty useful tool.  Pdfinfo prints the contents of the 'Info' dictionary (plus some...
Recommended firewall
What firewall do you recommend to secure my Linux server? MACI recommends the CSF (ConfigServer...
Test CRON
You may want to test if the CRON is running on your server.  There is few ways in order to test...
Tweak the swapinness
What is swappiness and why should I change it? swappiness is a value between 0 and 100 which...
Using dig to Query a Specific DNS Server (Name Server)
There may be occasions when you wish to query a name server directly.  I usually do it when...
What are .htaccess files and how to create and edit them
.htaccess files are used to configure and provide the server with instuctions regarding the...
[CentOS/RHEL/CloudLinux] rpc.statd is not running but is required for remote locking
Fixing rpc.statd is not running but is required for remote locking   If you come across this...
[EA3] New Relic APM on cPanel & CloudLinux CageFS
Many System Administrators tried to get PHP apps hosted on a cPanel server with CloudLinux and...
[EA4] New Relic APM on cPanel & CloudLinux CageFS
Many System Administrators tried to get PHP apps hosted on a cPanel server with CloudLinux and...
[WHM/cPanel] Changing Home directory
What is the document root? When you visit a website, you are accessing a particular folder on...
[WHM/cPanel] CloudLinux PHP selector not saving on cPanel 54 and CL 6.x & 7.x
Problem:When trying to change php extensions in paper_lantern, nothing saves. I can click Save or...
[WHM/cPanel] Update WHM/cPanel using CLI
Occasionally, WHM or cPanel might experience errors that can only be resolved by updating the...
crontab management
crontab is a command line tool in order to manage your cron tasksThe two most important basic...