Bash: Reissue And Repeat A Long Command Without Retyping It on a Linux, OS X & Unix

msrxp linux, training January 5, 2018
I ‘m a new Ubuntu Linux user. In Linux, Apple OS X or Unix-like systems, how do I reissue or repeat a long command without retying it?   You need to use the history command…
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FreeBSD Unix Show Mounted File Systems

msrxp linux, training January 5, 2018
I recently switched from MS-Windows server to a FreeBSD Unix server. How can I see list of mounted file systems on a FreeBSD based Unix server using command line options?   The command to view…
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Use ssh-copy-id with an OpenSSH Server Listening On a Different Port

omid linux, training January 5, 2018
M y OpenSSH server listening on TCP port number 2222. How can I use ssh-copy-id with an sshd server with listening on a different port on a Linux or Unix-like systems?   The ssh-copy-id is…
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FreeBSD Unix Find Out Which Programs Are Listening On a Given Port Number

omid linux, training January 5, 2018
I ‘m a new FreeBSD Unix system user. How can I find out the process/programs names listing on a certain port on a FreeBSD Unix systems using command line? How do I lookup the process…
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Linux / Unix: OpenSSH Multiplexer To Speed Up OpenSSH Connections

msrxp linux, training January 5, 2018
H ow can I multiplex SSH sessions by setting up a master session and then having subsequent sessions go through the master to speed up my ssh connection on a Linux or Unix-like operating systems?…
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How to run sudo command without a password on a Linux or Unix

msrxp linux, training January 5, 2018
I ‘m a new Unix system user. How do I use sudo command without a password on a Linux or Unix-like systems? I log in as tom@my-cloud-server-ip and disabled root login for ssh. After login,…
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How To Find Out FreeBSD Version and Patch Level Number

msrxp linux, training January 5, 2018
H ow do I find out my FreeBSD server version and patch level of the installed system using command line option?   You can use any one of the following command to display the FreeBSD…
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FreeBSD Add a User To Wheel Group Command

msrxp linux, training January 5, 2018
H ow do I add a user to the wheel group in FreeBSD unix operating systems using command line options?   You need to use the pw command line utility for adding, modifying and removing…
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How to make a folder in Linux or Unix

omid linux, training January 5, 2018
I am a new Linux user. How do I make a folder in Linux or Unix system using the CLI?   You need to use the mkdir command to create new directories or folders in…
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How To Install pfSense Firewall On a Hard Disk Drive With Serial Console Support On the Soekris net5501 Router

omid linux, training January 5, 2018
I ‘m looking to install pfSense 2.2.x and I would like to install it on a hard disk drive rather than CF (compact flash). How can I install hard disk install via serial console on…
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