First, install the new packages. This will upgrade all of the important PHP packages, with the exception of php5-mysql, which will be removed. sudo apt-get install php7.0. Note: If you have made substantial modifications to any configuration files in /etc/php5/, those files are still in place, and can be referenced.Sep 14, 2010 · convert unix timestamp php. Ask Question Asked 12 years, 11 months ago. Modified 12 years, 11 months ago. Viewed 50k times Part of PHP Collective ... I'm running Wordpress with: Nginx + PHP-FPM + APC + W3 Total Cache + PageSpeed. After 3 days researching and configuring, I succeeded to make it work. I configured PHP-FPM to run via 127.0.0.1:900...The installer will check a few PHP settings and then download composer.phar to your working directory. This file is the Composer binary. It is a PHAR (PHP archive), which is an archive format for PHP which can be run on the command line, amongst other things. Now run php composer.phar in order to run Composer. Long answer: If you want an equilvalent function of time() in milliseconds first you have to consider that as time() returns the number of seconds elapsed since the "epoch time" (01/01/1970), the number of milliseconds since the "epoch time" is a big number and doesn't fit into a 32 bits integer.Feb 18, 2015 · Most php files will have 644 because the owner has to be able to edit it, everyone needs to be able to read it, and nobody needs to execute it (in the strictly unix sense. php is the executable and it's reading the files, parsing them, and doing stuff with them, so unix isn't actually executing them). – The following method will get you started fast on Ubuntu 12.04: Install the dependences: sudo apt-get install php5-common php5-cli php5-fpm. Install nginx: sudo apt-get install nginx. Start nginx: sudo service nginx start. Test that it's working (should see "Welcome to nginx!") sudo service nginx stop. To install PHP – and the Apache PHP module – you can enter the following command into a terminal prompt: sudo apt install php libapache2-mod-php Install optional packages The following packages are optional, and can be installed if you need them for your setup. PHP-CLI You can run PHP scripts via the Command Line Interface (CLI).Example #1 time () example <?php echo 'Now: '. time(); ?> The above example will output something similar to: Now: 1660338149 Notes ¶ Tip Timestamp of the start of the request is available in $_SERVER ['REQUEST_TIME'] . See Also ¶ DateTimeImmutable date () - Format a Unix timestamp microtime () - Return current Unix timestamp with microsecondsOct 26, 2021 · timestamp: It is an optional parameter that specifies a Unix timestamp in integer format. If not provided, a default value will be taken as the current local time. DateInterval in PHP. It is a Class of PHP that represents a date interval. It also provides the static method, which accepts the input strings and sets up a DateInterval from the ... PHP Programming at Wikibooks. PHP is a general-purpose scripting language geared towards web development. [9] It was originally created by Danish-Canadian programmer Rasmus Lerdorf in 1993 and released in 1995. [10] [11] The PHP reference implementation is now produced by the PHP Group. [12] PHP was originally an abbreviation of Personal Home ...I need to enable pdo_mysql in my EasyPHP environment, so I went to the php.ini file and uncommented the following line: extension=php_pdo_mysql.dll Unfortunately I still have the same problem.PHP dos2unix - 10 examples found. These are the top rated real world PHP examples of dos2unix extracted from open source projects. You can rate examples to help us improve the quality of examples. First, install the new packages. This will upgrade all of the important PHP packages, with the exception of php5-mysql, which will be removed. sudo apt-get install php7.0. Note: If you have made substantial modifications to any configuration files in /etc/php5/, those files are still in place, and can be referenced.Updating PHP is pretty simple as per your Linux/Unix variant: Update PHP and other apps on an Ubuntu/Debian Linux. Type the following apt command/apt-get command: $ sudo apt update $ sudo apt upgrade. Update PHP and other apps on a RHEL/CentOS/Fedora Linux. Type the following yum command: $ sudo yum update. Update PHP and other apps on an ...The Task is to convert a Date to a timestamp using PHP. The task can be done by using the strtotime () function in PHP. It is used to convert English textual date-time description to a UNIX timestamp. The UNIX timestamp represents the number of seconds between a particular date and the Unix Epoch.Sep 14, 2010 · convert unix timestamp php. Ask Question Asked 12 years, 11 months ago. Modified 12 years, 11 months ago. Viewed 50k times Part of PHP Collective ... Long answer: If you want an equilvalent function of time() in milliseconds first you have to consider that as time() returns the number of seconds elapsed since the "epoch time" (01/01/1970), the number of milliseconds since the "epoch time" is a big number and doesn't fit into a 32 bits integer.1. In PHP the logic equivalent of the MySQL's function now () is time (). But time () return a Unix timestamp that is different from a MySQL DATETIME. So you must convert the Unix timestamp returned from time () in the MySQL format. You do it with: date ("Y-m-d H:i:s");It works for me. How can we log all PHP errors to a log file? Just add the following line to file /etc/php.ini to log errors to specified file – file /var/log/php-scripts.log. vi /etc/php.ini Modify the error_log directive: error_log = /var/log/php-scripts.log Make sure display_errors is set to Off (no errors to end users): display_errors = OffIn Ubuntu, the PHP package can be installed from the ondrej/php respository. First, run the following command to tap the repository. 1. 2. sudo add-apt-repository ppa:ondrej/php. sudo apt-get update. Then, we can run the following commands which will install PHP7.4, some PHP extensions and packages, and the PHP CLI. 1. Aug 1, 2023 · There are several ways to install PHP for the Unix platform, either with a compile and configure process, or through various pre-packaged methods. This documentation is mainly focused around the process of compiling and configuring PHP. Many Unix like systems have some sort of package installation system. I use OpenSUSE v42.2 Linux OS, with Apache webserver, PHP v7.1, Mysql. Because it does not provide PHP v7.1 I need, I built PHP v7.1 from source. Using PHP-FPM.Unix time (also known as Epoch time, POSIX time,seconds since the Epoch,or UNIX Epoch time) is a system for describing a point in time. It is the number of seconds that have elapsed since the Unix epoch, minus leap seconds; the Unix epoch is 00:00:00 UTC on 1 January 1970 (an arbitrary date); leap seconds are ignored,with a leap second having ...Aug 3, 2022 · Make sure the above configuration setting is syntactically correct and restart NGINX. # nginx-t # systemctl restart nginx. 4. Test PHP-FPM NGINX Configuration. To test if the above NGINX configuration file is indeed using the newly created FPM pool, create a php info file inside the web root. Unix time (also known as Epoch time, POSIX time,seconds since the Epoch,or UNIX Epoch time) is a system for describing a point in time. It is the number of seconds that have elapsed since the Unix epoch, minus leap seconds; the Unix epoch is 00:00:00 UTC on 1 January 1970 (an arbitrary date); leap seconds are ignored,with a leap second having ... Returns the Unix timestamp corresponding to the arguments given. This timestamp is a long integer containing the number of seconds between the Unix Epoch (January 1 1970 00:00:00 GMT) and the time specified. Any optional arguments omitted or null will be set to the current value according to the local date and time.Example #1 time () example <?php echo 'Now: '. time(); ?> The above example will output something similar to: Now: 1660338149 Notes ¶ Tip Timestamp of the start of the request is available in $_SERVER ['REQUEST_TIME'] . See Also ¶ DateTimeImmutable date () - Format a Unix timestamp microtime () - Return current Unix timestamp with microsecondsmacOSX with homebrew, through PECL. , with help from a wizard. Unix-like operating systems, from source. Installing Xdebug with a package manager is often the fastest way. Depending on your distribution, run the following command: sudo apk add php7-pecl-xdebug php8-pecl-xdebug. Arch Linuxsudo pacman -S.Oct 11, 2012 · It works for me. How can we log all PHP errors to a log file? Just add the following line to file /etc/php.ini to log errors to specified file – file /var/log/php-scripts.log. vi /etc/php.ini Modify the error_log directive: error_log = /var/log/php-scripts.log Make sure display_errors is set to Off (no errors to end users): display_errors = Off See full list on ubuntu.com If you're using MySQL as your database, it can return date fields as unix timestamps with UNIX_TIMESTAMP: SELECT UNIX_TIMESTAMP(my_datetime_field) You can also do it on the PHP side with strtotime: strtotime('2010-05-17 19:13:37');Sep 3, 2019 · Atom. Atom is a popular open-source code/text editor that works across several platforms such as Windows, Mac, or Linux. Atom is also considered to be one of the best Python code editors. Pros: Atom has color-coded syntax, a smart autocomplete feature, multiple panes, and a search-and-replace feature. Lighttpd 1.4 en sistemas Unix; Servior web LiteSpeed/OpenLiteSpeed en sistemas Unix; CGI y configuraciones de línea de comandos; Notas de instalación para OpenBSD; Solaris sugerencias específicas de instalación; Notas de instalación en Debian GNU/Linux; Instalación en Mac OS X. Empleo de paquetes; Usando el paquete PHP; Compilar PHP en ...Mar 12, 2023 · OR if you are using systemd based distro such as Ubuntu Linux 16.04+ LTS or Debian Linux 8.x+: $ sudo systemctl start php7.0-fpm.service. $ sudo systemctl stop php5-fpm.service. $ sudo systemctl restart php5-fpm.service # <- restart it. $ sudo systemctl reload php5-fpm.service # <- reload it. Jun 14, 2023 · Stylesheet languages, such as CSS, Sass, and LESS. Any kind of library or framework built on top of any scripting language, such as jQuery, PostCSS, React, Vue, Angular, Rails, Grails, Django, Laravel, WordPress, and others. Languages that are compiled into a scripting language, such as TypeScript and CoffeeScript. First, install the new packages. This will upgrade all of the important PHP packages, with the exception of php5-mysql, which will be removed. sudo apt-get install php7.0. Note: If you have made substantial modifications to any configuration files in /etc/php5/, those files are still in place, and can be referenced.Feb 27, 2020 · In this section, you will install the mod_fcgid and PHP-FPM modules on your CentOS 8 Linode. Update your system if you have not already done so and install the wget command line utility. sudo yum update && sudo yum install wget -y. Install mod_fcgid and PHP-FPM: sudo yum install mod_fcgid php-fpm. Typically, this is done by running the command apt update . Example #1 Debian Install Example with Apache 2. # apt install php-common libapache2-mod-php php-cli. APT will automatically install the PHP module for Apache 2 and all of its dependencies, and then activate it.Nov 29, 2020 · In my FPM pool configuration I've tried replacing the listen directive with a host and port, also with just a port, but I can't seem to get it to work. How would you configure PHP FPM to be available via TCP rather than a unix socket? I've no reason to want to do this at the moment, its just for learning. Finally. So if I understand things correctly, if apache is running as www-data and I want apache to be able to read a directory, the x bit needs to be set for the world (other) group (o+x), and that also needs to be set on all parent directories all the way up the chain (www, var). Running php index.php as shell in webpage. so i have a bit of a unique situation. i have an encrypted index.php file that that can't be run the normal way that a web browser would run it. if it is run the normal way, the php script will show only gibberish on the web browser, instead of the actual php code. root@jbow-VirtualBox:~# time php ...Dec 28, 2022 · I believe you are mixing php-fpm with modphp in your configuration. The only steps you should have to do are these: sudo a2dismod php7.x # disable modphp (optional) sudo a2dismod mpm_prefork # to use php-fpm, you need to switch to mpm_event sudo a2enmod mpm_event # enable mpm_event sudo a2enmod proxy proxy_fcgi # enable proxy_fcgi, required for ... The price of UniX (UNIX) is $0.00296260 today with a 24-hour trading volume of $283,769.70. This represents a -0.90% price decline in the last 24 hours and a -1.49% price decline in the past 7 days. With a circulating supply of 35 Million UNIX, UniX is valued at a market cap of $103,789 .In Ubuntu, the PHP package can be installed from the ondrej/php respository. First, run the following command to tap the repository. 1. 2. sudo add-apt-repository ppa:ondrej/php. sudo apt-get update. Then, we can run the following commands which will install PHP7.4, some PHP extensions and packages, and the PHP CLI. 1.PHP Programming at Wikibooks. PHP is a general-purpose scripting language geared towards web development. [9] It was originally created by Danish-Canadian programmer Rasmus Lerdorf in 1993 and released in 1995. [10] [11] The PHP reference implementation is now produced by the PHP Group. [12] PHP was originally an abbreviation of Personal Home ... If you're using MySQL as your database, it can return date fields as unix timestamps with UNIX_TIMESTAMP: SELECT UNIX_TIMESTAMP(my_datetime_field) You can also do it on the PHP side with strtotime: strtotime('2010-05-17 19:13:37');Apr 27, 2018 · Step 1 — Installing Apache and Updating the Firewall. The Apache web server is a popular open source web server that can be used along with PHP to host dynamic websites. It’s well-documented and has been in wide use for much of the history of the web. First, make sure your apt cache is updated with: May 17, 2010 · If you're using MySQL as your database, it can return date fields as unix timestamps with UNIX_TIMESTAMP: SELECT UNIX_TIMESTAMP(my_datetime_field) You can also do it on the PHP side with strtotime: strtotime('2010-05-17 19:13:37'); I had the same problem and the only solution that has worked for me is: First: Check your installed php version php -v. Second: check the php-fpm service status to make sure it's the problem sudo service php7.4-fpm status should return not running.May 4, 2020 · To install composer globally, use the following command which will download and install Composer as a system-wide command named composer, under /usr/local/bin: sudo php /tmp/composer-setup.php --install-dir = /usr/local/bin --filename= composer. You’ll see output similar to this: Output. The price of UniX (UNIX) is $0.00296260 today with a 24-hour trading volume of $283,769.70. This represents a -0.90% price decline in the last 24 hours and a -1.49% price decline in the past 7 days. With a circulating supply of 35 Million UNIX, UniX is valued at a market cap of $103,789 .Dec 3, 2020 · Step 1 – Installing Apache. Apache web server debian packages are available under the default repositories. Login to your Ubuntu system with sudo privileges account. Open a terminal and execute the following commands: sudo apt update sudo apt install apache2 libapache2-mod-fcgid. The above commands will install Apache and FastCGI module to ... In this section, you will install the mod_fcgid and PHP-FPM modules on your CentOS 8 Linode. Update your system if you have not already done so and install the wget command line utility. sudo yum update && sudo yum install wget -y. Install mod_fcgid and PHP-FPM: sudo yum install mod_fcgid php-fpm.PHP dos2unix - 10 examples found. These are the top rated real world PHP examples of dos2unix extracted from open source projects. You can rate examples to help us improve the quality of examples.Nov 29, 2020 · In my FPM pool configuration I've tried replacing the listen directive with a host and port, also with just a port, but I can't seem to get it to work. How would you configure PHP FPM to be available via TCP rather than a unix socket? I've no reason to want to do this at the moment, its just for learning. Finally. 21 I'm trying to get a unix timestamp with PHP but it doesn't seem to be working. Here is the format I'm trying to convert to a unix timestamp: PHP $datetime = '2012-07-25 14:35:08'; $unix_time = date ('Ymdhis', strtotime ($datetime )); echo $unix_time; My result looks like this: 20120725023508 Any idea what I'm doing wrong? php unix-timestampMay 18, 2017 · adding to @Ibrahim.H 's comment, you obviously have to look for your php version's extentions, f.e. php8.2-xml ... i think the default php version in the packets points at 7.4.33 - and i'm hoping it changes even that soon. Updating PHP is pretty simple as per your Linux/Unix variant: Update PHP and other apps on an Ubuntu/Debian Linux. Type the following apt command/apt-get command: $ sudo apt update $ sudo apt upgrade. Update PHP and other apps on a RHEL/CentOS/Fedora Linux. Type the following yum command: $ sudo yum update. Update PHP and other apps on an ...The location ~* \.php$ means that NGINX will apply this configuration to all .php files (file names are not case sensitive) in your site’s root directory, including any subdirectories containing PHP files. The * in the ~* \.php$ location directive indicates that PHP file names are not case sensitive. This can be removed if you prefer to ...Make sure the above configuration setting is syntactically correct and restart NGINX. # nginx-t # systemctl restart nginx. 4. Test PHP-FPM NGINX Configuration. To test if the above NGINX configuration file is indeed using the newly created FPM pool, create a php info file inside the web root.Aug 1, 2023 · Consult the Apache install documentation for more details on building Apache. cd httpd-2_x_NN ./configure --enable-so make make install. Now you have Apache 2.x.NN available under /usr/local/apache2, configured with loadable module support and the standard MPM prefork. To test the installation use your normal procedure for starting the Apache ... To install PHP – and the Apache PHP module – you can enter the following command into a terminal prompt: sudo apt install php libapache2-mod-php Install optional packages The following packages are optional, and can be installed if you need them for your setup. PHP-CLI You can run PHP scripts via the Command Line Interface (CLI).Sep 3, 2019 · Atom. Atom is a popular open-source code/text editor that works across several platforms such as Windows, Mac, or Linux. Atom is also considered to be one of the best Python code editors. Pros: Atom has color-coded syntax, a smart autocomplete feature, multiple panes, and a search-and-replace feature. Using PHP, I want to convert UNIX timestamps to date strings similar to this: 2008-07-17T09:24:17Z How do I convert a timestamp such as 1333699439 to 2008-07-17T09:24:17Z?Dec 15, 2015 · First, install the new packages. This will upgrade all of the important PHP packages, with the exception of php5-mysql, which will be removed. sudo apt-get install php7.0. Note: If you have made substantial modifications to any configuration files in /etc/php5/, those files are still in place, and can be referenced. 1. In PHP the logic equivalent of the MySQL's function now () is time (). But time () return a Unix timestamp that is different from a MySQL DATETIME. So you must convert the Unix timestamp returned from time () in the MySQL format. You do it with: date ("Y-m-d H:i:s"); Both Linux and Windows have proven to be a powerful basis for creating large websites. Each operating system offers all the basic functions required to run your website. In principle, numerous open source applications are available in order to get the best of Linux. Linux is also particularly suitable for PHP, Perl, or MySQL. adding to @Ibrahim.H 's comment, you obviously have to look for your php version's extentions, f.e. php8.2-xml ... i think the default php version in the packets points at 7.4.33 - and i'm hoping it changes even that soon.Typically, this is done by running the command apt update . Example #1 Debian Install Example with Apache 2. # apt install php-common libapache2-mod-php php-cli. APT will automatically install the PHP module for Apache 2 and all of its dependencies, and then activate it.Dec 28, 2022 · I believe you are mixing php-fpm with modphp in your configuration. The only steps you should have to do are these: sudo a2dismod php7.x # disable modphp (optional) sudo a2dismod mpm_prefork # to use php-fpm, you need to switch to mpm_event sudo a2enmod mpm_event # enable mpm_event sudo a2enmod proxy proxy_fcgi # enable proxy_fcgi, required for ... Welcome to a quick tutorial on how to format a Unix Timestamp to a readable date and time in PHP. Need to get a “human-friendly” date from a Unix Timestamp? We can use the date function to format a Unix Timestamp in PHP.I need to enable pdo_mysql in my EasyPHP environment, so I went to the php.ini file and uncommented the following line: extension=php_pdo_mysql.dll Unfortunately I still have the same problem.Dec 28, 2022 · I believe you are mixing php-fpm with modphp in your configuration. The only steps you should have to do are these: sudo a2dismod php7.x # disable modphp (optional) sudo a2dismod mpm_prefork # to use php-fpm, you need to switch to mpm_event sudo a2enmod mpm_event # enable mpm_event sudo a2enmod proxy proxy_fcgi # enable proxy_fcgi, required for ... PHP Programming at Wikibooks. PHP is a general-purpose scripting language geared towards web development. [9] It was originally created by Danish-Canadian programmer Rasmus Lerdorf in 1993 and released in 1995. [10] [11] The PHP reference implementation is now produced by the PHP Group. [12] PHP was originally an abbreviation of Personal Home ... Running php index.php as shell in webpage. so i have a bit of a unique situation. i have an encrypted index.php file that that can't be run the normal way that a web browser would run it. if it is run the normal way, the php script will show only gibberish on the web browser, instead of the actual php code. root@jbow-VirtualBox:~# time php ...Dec 28, 2011 · As previously answered here, since PHP 5.2.0 you can use the DateTime class and specify the UTC timezone with an instance of DateTimeZone. The DateTime __construct() documentation suggests passing "now" as the first parameter when creating a DateTime instance and specifying a timezone to get the current time. Apr 13, 2022 · PHP runs as an isolated service when you use PHP-FPM. Employing this PHP version as the language interpreter means requests will be processed via a UNIX socket. Nginx server will handle HTTP requests only, while PHP-FPM interprets the PHP code. 1. Installing Nginx Ubuntu / Debian Both Linux and Windows have proven to be a powerful basis for creating large websites. Each operating system offers all the basic functions required to run your website. In principle, numerous open source applications are available in order to get the best of Linux. Linux is also particularly suitable for PHP, Perl, or MySQL. Feb 6, 2023 · February 6, 2023 by Hayden James, in Blog Linux. PHP memory_limit is per-script, just as a highway’s speed limit is per-vehicle. For example, although PHP’s memory limit may be set high to 1GB, that does not mean that scripts will pile up to use that 1GB. Let’s take a quick look at understanding PHP’s memory_limit setting. Unix time is currently defined as the number of non-leap seconds which have passed since 00:00:00 UTC on Thursday, 1 January 1970, which is referred to as the Unix epoch. [3] Unix time is typically encoded as a signed integer . The Unix time 0 is exactly midnight UTC on 1 January 1970, with Unix time incrementing by 1 for every non-leap second ...Both Linux and Windows have proven to be a powerful basis for creating large websites. Each operating system offers all the basic functions required to run your website. In principle, numerous open source applications are available in order to get the best of Linux. Linux is also particularly suitable for PHP, Perl, or MySQL. I had the same problem and the only solution that has worked for me is: First: Check your installed php version php -v. Second: check the php-fpm service status to make sure it's the problem sudo service php7.4-fpm status should return not running.UNIX / LINUX Tutorial. PDF Version. Quick Guide. Resources. Unix is a computer Operating System which is capable of handling activities from multiple users at the same time. The development of Unix started around 1969 at AT&T Bell Labs by Ken Thompson and Dennis Ritchie. This tutorial gives a very good understanding on Unix.As previously answered here, since PHP 5.2.0 you can use the DateTime class and specify the UTC timezone with an instance of DateTimeZone. The DateTime __construct() documentation suggests passing "now" as the first parameter when creating a DateTime instance and specifying a timezone to get the current time.
Updating PHP is pretty simple as per your Linux/Unix variant: Update PHP and other apps on an Ubuntu/Debian Linux. Type the following apt command/apt-get command: $ sudo apt update $ sudo apt upgrade. Update PHP and other apps on a RHEL/CentOS/Fedora Linux. Type the following yum command: $ sudo yum update. Update PHP and other apps on an .... Tri luma
Mar 12, 2023 · OR if you are using systemd based distro such as Ubuntu Linux 16.04+ LTS or Debian Linux 8.x+: $ sudo systemctl start php7.0-fpm.service. $ sudo systemctl stop php5-fpm.service. $ sudo systemctl restart php5-fpm.service # <- restart it. $ sudo systemctl reload php5-fpm.service # <- reload it. Definition and Usage. The time () function returns the current time in the number of seconds since the Unix Epoch (January 1 1970 00:00:00 GMT).Next, update the repository and install the Caddy web server by running the following command: apt-get update. apt-get install caddy -y. Once the Caddy has been installed, you can verify the Caddy version using the following command: caddy version. You will get the following output:Dec 3, 2020 · Step 1 – Installing Apache. Apache web server debian packages are available under the default repositories. Login to your Ubuntu system with sudo privileges account. Open a terminal and execute the following commands: sudo apt update sudo apt install apache2 libapache2-mod-fcgid. The above commands will install Apache and FastCGI module to ... I believe you are mixing php-fpm with modphp in your configuration. The only steps you should have to do are these: sudo a2dismod php7.x # disable modphp (optional) sudo a2dismod mpm_prefork # to use php-fpm, you need to switch to mpm_event sudo a2enmod mpm_event # enable mpm_event sudo a2enmod proxy proxy_fcgi # enable proxy_fcgi, required for ...On a Unix-based system, a ticket key file can be created as follows: dd if=/dev/random of=/path/to/file.tkey bs=1 count=48 Ticket keys should be rotated (replaced) on a frequent basis, as this is the only way to invalidate an existing session ticket - OpenSSL currently doesn't allow to specify a limit for ticket lifetimes. Next, update the repository and install the Caddy web server by running the following command: apt-get update. apt-get install caddy -y. Once the Caddy has been installed, you can verify the Caddy version using the following command: caddy version. You will get the following output:Aug 8, 2023 · How to Install PHP on Windows. If you’re using a Windows system, unlike macOS and Linux, you don’t need to install PHP through the command line (though it is an option if you’d prefer). An easy way to install PHP from here is to enable IIS and then use WebPI to install PHP. May 4, 2020 · To install composer globally, use the following command which will download and install Composer as a system-wide command named composer, under /usr/local/bin: sudo php /tmp/composer-setup.php --install-dir = /usr/local/bin --filename= composer. You’ll see output similar to this: Output. UNIX / LINUX Tutorial. PDF Version. Quick Guide. Resources. Unix is a computer Operating System which is capable of handling activities from multiple users at the same time. The development of Unix started around 1969 at AT&T Bell Labs by Ken Thompson and Dennis Ritchie. This tutorial gives a very good understanding on Unix..