Linux Server and Workstation Configuration How To

1. ps

Command ps Displays the status of processes (programs) running in the system. Syntax ps [options] Options Note that unlike other commands ps command options do not have a prefix "-". a display ...

2. grep

... names of files containing the sample. -n display line numbers next to the lines containing the sample. -q returns the status code, but nothing prints. -v print lines not containing the sample. -w compares ...

3. Cron Manual

... status # service crontd start # service crontd stop # service crontd restart Valid values for cron job Minutes - from 0 to 59 Hours - from 0 to 23 Day of month - from 1 to 31 Month - from ...

4. Send Mail Script

Mail content text is /tmp/message.txt # mail -s 'Server Status Report' george@example.com -c Jon@example.com < /tmp/message.txt Send Mail With Attachment # !/bin/bash # tar -zcf /tmp/backup.tar.gz ...

5. Network Information and Configuration Commands

Configure Network # netconfig Get Network Status # netstat # ifconfig Get Route Information # route Get Network Cards # lspci | grep -i ethernet Dump TCP Packages to View # tcpdump Dump TCP Packages Into ...