Operating System
- Linux - RedHat Linux, Debian, SUSE, Slackware.
- UNIX - FreeBSD, OpenBSD, NetBSD, Solaris
- Windows - Windows Server 2000, Windows Server 2003
Control Panel Software
WHM CPanel, Alabanza, Plesk, Helm, Cobalt RAQ, Ubersmith, Ensim, Hsphere, Webmin, DonHost, Directadmin and Servers without control panel.
Common DNS Issues
- Domain parking issues
- Modifying MX. A and CNAME records for domain Zones
- Correcting Domain Name resolution problems
- RDNS configuration
- Setting up name servers, master-slave, rndc setup, automate slave using script --- Almost anything related to dns
Common Webserver Issues
- httpd.conf problems
- .htaccess errors
- Password protection issues
- Site oriented IP blocking issues
- HostNameLookups
- Mime types
- Apache Handler problems
- URL blocking and redirection issues
- Secure Cert problems.
- Apache rewrite rules
- Adding custom compiled modules into apache
- Custom configurations for log analysing programs - webalizer, awstats etc
Common Mail Issues
- Sendmail
- Qmail
- EXIM
- IMAP issues
- Webmail issues
- Catch-all address issues
- SMTP issues
- POP issues
- enabling / disabling PHP mail() function
- POP-before-SMTP and relay denied issues
- mailing lists
- autoresponders
- Client Setup
- POP authorization
- Anti-spam measures
- Email filter issues with Procmail and .forward
Common FTP Issues
- Anonymous ftp enabling
- FTP configuration issues
- FTP virtual hosting issues
- PureFTP, ProFTP, WU FTP
- Creation of FTP-only users
Common Database Issues
- Access denied
- Handling multiple databases
- Connectivity issues from CGI scripts
- Allowing or denying grant permissions from local or remote locations
- Modification of database variables such as max connections, memory used etc.
- Managing the mysql connections among various virtual-hosts
- Broken connectivity through mysql.sock issue
Common Security Issues
- Anti-portscanning
- Log Checking
- IP blocking
- Firewall issues
- anti-SPAM
- Anti-virus
- TCP wrappers
- DDoS attacks
- Hotlink protection
Logs and Statistics Issues
- User specific Raw Logs problems
- System wide raw log problems
- Log size control
- Stats not updating issues
- Webalizer, Analog, Awstats, Urchin
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Frontpage Issues
- Manually Installing Frontpage Extensions on problematic Domains
- Manually Removing Frontpage Extensions
- Frontpage mail extension problems
- Frontpage clashes with .htaccess
- Frontpage and Secure forms issues
- Enabling / Disabling Shell access
Java Servlets
CGI Issues
- Languages - PHP, Perl, Python, C, C++, Servlets, ASP
- CGI file permissions
- CGI connectivity with the database
- Internal Server Errors
- Sending mail from scipts
- Form to mail problems
- Perl modules Installation
Telnet or SSH Problems
- Connection refused issues
- Enabling / Disabling Shell access
Shopping cart issues
- Interchange
- Agora
- Miva
- Interchange server configuration issues
- Undefined catalog errors with Interchange
Reseller issues
- Enabling / disabling / customising reseller account privileges
- Resold accounts' ownership issues
Backup issues
- Configuring automatic account backup in the server.
- Restoring backups
- Configuration File Rollback
Hosting Account transfer issues
- Transferring accounts from server-to-server
- Account migrations between servers with heterogeneous control panels
Quota issues
- Disk Quota initialization on separate partitions
- Disk Quota initialization on separate partitions
- User and group quota errors' corrections occured due to incorrect file permissions
- Disk quota modification issues
- Block / inode quota implementation
IP issues
- Addition / deletion of IP addresses in the server.
- Issues related to dedicated IP assignments to domains
- Manual correction of IP aliases.
Hard drive issues
- Temporary / permanent mounting of additional hard drives and hard drive partitions
- Partitioning, formatting, and initializing filesystems on fresh additional hard drives
Task Scheduling issues
- Setting up cron jobs to schedule execution of scripts / other tasks
- Setting up scheduled jobs' execution reports to be mailed to users.
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