Tag: unix

What Is POSIX (Portable Operating System Interface) and It’s Relation with Linux?

What is POSIX? We hear this term in Linux and Unix world but do not understand the meaning of POSIX.

Linux processes communicates with socket between each other. There are tools to list, resolve, provide information about sockets. Ss is

Monitoring Linux servers is important part of the system administration. There are a lot of way and tools to monitor

Linux have a lot of different system metrics and performance monitoring tools. Sysstats provide a bunch of tools for monitoring

We have previously looked the command kill to kill process accordin to their names, owners etc. But using only kill command

DHCP stands for Dynamic Host Configuration Protocol. As its name suggests DHCP is used to provide configuration like Ip Address,

Checkpoint, Palo Alto, Cisco ACS and others, all of them are enterprise, popular and good firewalls. But all of them

Getting information about system and hardware is important part of System Administration job. There are a lot of different tools

Operating systems are bed for applications. These applications are executed as processes. Process start, waits and ends. Through their life

Linux and Unix are two popular operating systems. Reality is Unix is predecessor of Linux and their share a lot