Symlink attack exploits the way Linux operating systems handle symbolic links (symlinks). A symlink is a pointer to another file or directory that is used by the operating system to access the linked file or directory. In a symlink attack, an attacker creates a symbolic link that points to a file or directory that the … Read more
When I access WHM of a server, I got the following error message HTTP error 401 You do not have permission to access this page. This is because WHM access is disabled using Host Access Control. To access WHM, I edit filed vi /etc/hosts.allow Added my IP address to whostmgrd entries. whostmgrd : 12.38.22.16 : … Read more
On a Cpanel server, WebSocket server was running on port 8080. It worked fine with HTTP. After enabling HTTPS, it stopped working. The website code had the following entry var websocket_server = new WebSocket(“ws://domain.com:8080”); This Cpanel server had ea-nginx (Nginx provided by Cpanel) installed. To fix the error, I created a file vi /etc/nginx/conf.d/ws-domain.com.conf In … Read more
Cpanel control panel recently started supporting Ubuntu Operating System. Ubuntu support was announced after RedHat stopped supporting RHEL-based CentOS. When I install Cpanel on Ubuntu 20.04 server, I got the following error message To fix the error install package “libfindbin-libs-perl” with apt Back to Cpanel Server
To increase the size of /tmp folder, first, stop monitoring services, so it won’t get auto started while we resize /tmp folder whmapi1 configureservice service=cpsrvd enabled=1 monitored=0 whmapi1 configureservice service=mysql enabled=1 monitored=0 whmapi1 configureservice service=httpd enabled=1 monitored=0 Now stop Cpanel, MySQL and Apache services /scripts/restartsrv_cpsrvd –stop /scripts/restartsrv_mysql –stop /scripts/restartsrv_httpd –stop Unmout current /tmp folder umount … Read more
PHP ssh2 module allows you to connect to SSH servers. On Cpanel servers, this module is not available under EasyApache. You need to install using PECL. The PECL module installer in WHM does not list this module. The module is available to download from https://pecl.php.net/package/ssh2 To install it, log in to the Cpanel server as … Read more
To install the Cpanel/WHM control panel, run the following command as user root. If you are installing on Ubuntu 20.04 and get the following error Install package “libfindbin-libs-perl”.
In Cpanel Server, you can set Time Zone in WHM once you logged in as user root. If you have WHM reseller access you won’t be able to set server time. You need to contact the server administrator with root access to set the time. Go to Home > Server Configuration > Server Time You … Read more
To see the currently running process on Cpanel/WHM server, log in to WHM. Search for “process” on the left-top corner search box. Under System health, click on “Process Manager” WHM > System Health > Process Manager This page list all running process. On the left of each process, you have the option to kill a … Read more
To disable catch-all email address for all sites hosted on Cpanel Server, run sed -i ‘s/^\*: [^ ]*$/*: :fail: ADDRESS DOES NOT EXIST/g’ /etc/valiases/* Back to Cpanel Server
On a Cpanel Server, when you visit a shared IP address used by multiple websites, you will see the website of the first VirtualHost entry. This is not good when you have multiple customer websites as your other customers may visit the IP and see the site associated with the first VirtualHost entry and complain … Read more
Cpanel servers allow you to add multiple IP addresses. Additional IP addresses are useful for running name servers, hosting sites on different IP addresses (many use dedicated IP for SEO), and mail servers. Before you can add additional IP addresses to a server, you need it purchased from your server provider. To add an IP … Read more