How to troubleshoot Error: ! cron cannot fork
Sometimes, cron jobs may fail with the following error in Solaris Error: ! cron cannot fork Wed Nov 2 11:10:00 2005 ! rescheduling a cron job Wed Nov 2 11:10:00 2005
General
/var/adm/messages is full in Sun Solaris
The /var/adm/messages is the file to which all the messages printed on the console are logged to by the Operating System. This helps to track back check the console messages to troubleshoot any issues on the system. Syslog daemon also writes to this /var/adm/messages file.
Error – RSH Permission Denied in Sun Solaris
When you run a command remotely from one Solaris Server (say SERVERA) to a remote server (say SERVERB) you might encounter the error RSH: Permission denied
du and df show different disk sizes in Sun Solaris
If you are an UNIX/LINUX administrator then you would have possibly come across or will see quite regularly that DU and Df do not always agree on the size of the filesystem when measured with most of the file systems. In most known scenarios, df will be reporting less available space than the du command.