Unable to upload large files via ftp

Add the following lines to  lines to /etc/proftpd.conf

================
AllowRetrieveRestart on
AllowOverwrite on
AllowStoreRestart on
================

Restart ftp and this should fix the issue.

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Configuration files in cpanel server

Apache:-

/usr/local/apache/ bin->Apache binaries are stored here
/usr/local/apache/conf–>configuration files – httpd.conf
/usr/local/apache/cgi-bin->Cgi bin directory
/usr/local/apache/domlogs–>domain log files are stored here
/usr/local/apache/htdocs->default doucument root of the server
/usr/local/apache/include–>contains header files
/usr/local/apache/modules–>Contains shared object (.so) files
/usr/local/apache/logs–>apache logs contains access_log, errorlog and suexec_log

Exim:-

->/etc/exim.conf – exim configuration file
->/etc/localdomains – list of the domains which are allowed to relay mail
->/var/log/exim_mainlog – exim main log file
-> /var/log/exim_rejectlog – Contains the logs for the rejected mails.
->/var/log/exim_paniclog – Contains exim errors
->/var/spool/exim/input-Mail queue for exim
->/etc/valiases/domainname.com- Email forwarders and catchall.
->/etc/vfilters/domainname.com-Email filter
->/home/username/etc/domainname/passwd-POP authentication file

ProFTPD:-

-> /etc/proftpd-configuration file
->/var/log/messages-ftp logs
->/etc/proftpd/username- All the ftp accounts and password will be listed here.

Pure-FTPD:-

->/etc/pure-ftpd.conf-Pureftpd configuration file.
->/etc/pure-ftpd/ip-address-document root for the anonymous ftp

Mysql:-

/etc/my.cnf->configuration file
/root/.my.cnf->Contains the root password
/var/lib/mysql –Data directory which contains all the MySql databases.

SSHD:-

/etc/ssh/sshd_config->configuarton file
/var/log/messages-> Log file
/etc/banner->Contains the banner to be displayed

Named:-

/etc/named.conf->Main configuration file
/var/named->Directory which contains the db records
/var/log/messages-> Log file

Cpanel Configuration files:-

/usr/local/cpanel-/bin –> cpanel binaries
/usr/local/cpanel/cgi-sys –> Contains cgi files like formmail.cgi etc
/usr/local/cpanel-/base –> phpmyadmin, squirrelmail, skins, webmail etc
/usr/local/cpanel-/logs -> cpanel access log, error log etc
/usr/local/cpanel/ 3rdparty/ –Fantastico,mailman files are located here
/usr/local/cpanel-/addons –> AdvancedGuestBook, phpBB etc
/var/cpanel/users/username – >cpanel user file
/var/cpanel/cpanel.config –> cpanel configuration file.
/var/cpanel/resellers –> Reseller configuration files.
/var/log/dcpumon –> Top log process
/etc/wwwacct.conf –> account creation default file
/etc/cpupdate.conf – >cPanel Updation Config file
/etc/cpbackup.conf –> Backup configuration file
/var/cpanel/bandwidth –> Contains bandwidth usage details of the domains.

Name server and IP configuration files:-

/etc/sysconfig/network –Network configuration files
/etc/hosts->Contains hostname of the server
/etc/resolv.conf –> Resolver Configuration
/etc/nameserverips –>Contains the name server IP details
/etc/ips –>List of all the ip addresses except the shared ip on the server.
/etc/ipaddrpool – >ip addresses which are free
/etc/ips.dnsmaster –> name server ips