Linux 101 Hacks

5 Unix / Linux STTY Command Examples for Terminal Settings

Ramesh — Thu, 16 May 2013 13:00:41 +0000

stty command is used to manipulate the terminal settings. You can view and modify the terminal settings using this command as explained below. 1. Display All Settings -a option displays all the stty settings in a user friendly readable format as shown below. # stty -a speed 38400 baud; rows 59; columns 208; line = [...]

5 Unix / Linux OpenSSH SSHD Command Examples

Ramesh — Thu, 09 May 2013 13:00:27 +0000

sshd is OpenSSHD Daemon. When sshd receives a request for connection from a client, it creates a new process for that particular connection. You can use either password or key exchange authentication (there are others types too). Typically this daemon gets the configuration parameters from the /etc/ssh/sshd_config file. But, you can also specify the options [...]

5 Unix / Linux xinetd Command Examples

Ramesh — Thu, 02 May 2013 13:00:24 +0000

xinetd stands for extended Internet services daemon. This is a replacement for inetd. xinetd starts and listens on all the service ports that you’ve defined, and when there is an incoming request to a particular port that it is listening to, it starts the corresponding service. 1. Specify a custom Config file using -f By [...]

3 Unix / Linux uuencode Command Examples (Encode Binary File)

Ramesh — Thu, 25 Apr 2013 13:00:57 +0000

uuencode command is used to encode a binary file as explained in the examples below. 1. Basic uuencode Example By default, uuencode takes input from the standard input, and writes it to the standard output as shown below. # uuencode /dev/stdout testing this is line 1 testing this is line 2 [press Ctrl-D here] After [...]

2 Unix / Linux uudecode Command Examples

Ramesh — Thu, 25 Apr 2013 13:00:01 +0000

uudecode command is used to decode the ASCII representation that was created by the uuencode command. Please note that uuencode command encodes a binary file to ASCII text. 1. Basic uudecode Example In this example, I have a file called “test.out”, which is a uuencoded file, as shown below. # cat test.out begin 644 /dev/stdout [...]

5 Unix / Linux Mkfs Command Examples (Build Linux Filesystem)

Ramesh — Fri, 19 Apr 2013 13:00:06 +0000

After you’ve partitioned a hard disk, you can use mkfs command is used to build a Linux filesystem. This article explains 5 practical examples on how to use this command. Please be careful while executing this command, as this will destroy all data on the device. So, use this only on your test system to [...]

5 UNIX / Linux Apache HTTPD htdigest Password Command Examples

Ramesh — Fri, 12 Apr 2013 13:00:39 +0000

When you are using HTTP digest authentication, you need to specify the list of users who can access the secured page. Use the htdigest command as explained in this article to manipulate the password file that is used by Apache HTTPD digest authentication. htdigest command syntax: htdigest [-c] passwordfile realm username 1. Create a new [...]

5 UNIX / Linux file Command Examples

Himanshu — Fri, 05 Apr 2013 13:00:06 +0000

What is file? 5 file examples Syntax and Options Related Commands What is file? The file command accepts a file as an argument and performs certain tests to determine the correct file type. For example text, executable etc. 5 file Examples 1. A basic example The following basic example determines the file type for all [...]

5 UNIX / Linux cc Command Examples

Himanshu — Fri, 29 Mar 2013 13:00:19 +0000

What is cc? 5 cc examples Syntax and Options Related Commands What is cc? The cc compiler is the default compiler for Unix systems like Sun solaris. This is a powerful compiler used for compilation of C code. 5 cc Examples 1. A basic example Compiling a C code with cc compiler is very easy. [...]

5 UNIX / Linux gcc Command Examples

Himanshu — Fri, 22 Mar 2013 13:00:14 +0000

What is gcc? 5 gcc examples Syntax and Options Related Commands What is gcc? Gcc is the default GNU compiler. Its a very popular and powerful compiler used for compilation of C code. 5 gcc Examples 1. Basic compilation using gcc For a basic compilation, gcc works as : gcc helloworld.c This command will produce [...]