Software Problems

Check your logs first The first place to look for problems is in your logs. Go to /var/log and see if there is a directory named for the application that’s giving you problems. For instance, Apache has a log at /var/log/httpd.   Finding and fixing problems using package managers The Red Hat Package Manager (RPM) …

Hardware Problems

Okay, by this stage in your computer technologies career you’re already familiar with the usual litany: Check out any POST errors you get, Make sure SCSI drives are terminate, Make sure it’s plugged in, Make sure it’s turned on, etc. etc. etc. …. Things get trickier fast once you reach the stage of checking IRQ …

Disk Quotas

Hard disk quotas are limits placed on users or groups Soft limits are disk usage limits that can be exceeded for only a set period of time (usually sevel days). Hard limits are just that – users/groups simply cannot exceed these disk usage settings. Limits on the number of blocks (remember, blocks are typically 1 …

Deleting Accounts

To delete a user: userdel <user name> And delete their home directory: userdel –r <user name>   Now that you know this, as a general practice, don’t delete users. (Why is this a bad idea?)   To find all files owned by a user (outside their home directory): find / -user <user name> #use this …