The error you’re encountering (Cannot allocate memory) typically occurs when QEMU/KVM is unable to allocate the requested amount of memory (128GB in this case) for the VM. Here are some steps to troubleshoot and resolve the issue: 1. Check Host Memory Availability 2. Check Kernel Memory Overcommit Settings 3. Check Swap Space 4. Check QEMU/KVM…
Synchronize files between servers to synchronize files between servers two linux servers we will need to use the command rsync here is an example to synchronize files in folder ( /home/folders ) from ( remoteserver ) to current server on the folder /home/folders/ to use ssh key, we will need to set the key as…
Folder disk size To check folder and disk size in Linux using command line use the command “du” as following Where /home/ is the folder you need to check it’s size Disk size to get size an usage for all partitions you can use the command “df” -h is a human readable to print the…
CentOS, CloudLinux™, or Red Hat® Enterprise Linux (RHEL) 6, or Amazon Linux On a CentOS, CloudLinux, or RHEL 6, or Amazon Linux system, use the iptables utility to manage your firewall. CentOS 7, CloudLinux 7, or RHEL 7 On a CentOS 7 or CloudLinux 7 system, use the firewalld utility to manage your firewall. For example, to block traffic for a single IP…
many of the SSL certificates need to check the website before renew, and there is some problem happen in this case due to the .htaccess files rules to solve this problem do the following For cPanel’s internal DCV checks: RewriteCond %{REQUEST_URI} !^/[0-9]+\..+\.cpaneldcv$ For Comodo: RewriteCond %{REQUEST_URI} !^/[A-F0-9]{32}\.txt$ For Let’s Encrypt: RewriteCond %{REQUEST_URI} !^/\.well-known/acme-challenge/ Insert these…
to force run cPanel Free SSL check you can use the following command for the user # /usr/local/cpanel/bin/autossl_check –user=[username] just care that running a lot of check for this command may block your server IP from Comodo servers
Hello, to check folder size in links simply use the following command du -sh /home/ where /hom/ is the folder you need to calculate it’s total size to get size and usage for all partitions use the following command df -h
to update your cPanel license key use the following command /usr/local/cpanel/cpkeyclt
best useful exim commands print summery of mail queue exim -bp | exiqsumm find all e-mails in the queue to exact e-mail exiqgrep -r [luser]@domain remove all e-mails from the queue to exact e-mail exiqgrep -i -r [luser]@domain | xargs exim -Mrm find all e-mails in the queue from exact e-mail exiqgrep -f [luser]@domain remove all…
error_log files always become huge size due to forget to clear it, here is a simple command to be run from the SSH to clear all the error_log files from all sub folders to list all the error_log files on sub folders use the following command find . -name \error_log to delete them all add…
