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Troubleshooting

How to Find and Kill All Zombie Processes

On Unix operating systems, a zombie process or defunct process is a process that has completed execution but still has an entry in the process table, allowing the process that started it to read its exit status. It almost always means that the parent is still around. If the parent exited, the child would be orphaned and re-parented to init, …

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CentOS Linux install and configure NTP to synchronize the system clock

Q. How do I install and configure NTP under CentOS Linux 5 server to synchronize the system clock? A. You can easily install NTP (Network Time Protocol, a means of transmitting time signals over a computer network) using yum command under Redhat or CentOS/Fedora core Linux. Procedure Login as the root user Type the following command to install ntp # …

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