All Questions
53 questions
0
votes
1
answer
47
views
How I can run a php inline script and also provide command line arguments using bash?
I try to make a simple script that pings a network connection:
#!/usr/bin/env bash
# Xdebug ip detector for docker
# Copyright (C) 2023 Dimitrios Desyllas
#
# This program is free software: you can ...
- 1,281
-1
votes
2
answers
130
views
How I could check connectivity in shell using an oneliner command without using netcat?
In a docker image I want to avoid installing netcat in order to ping for db connectivity at my entrypoint script:
/bin/sh
MOODLE_DB_HOST="xxxx"
MOODLE_DB_PORT=80
function pingdb {
OK=0
...
- 1,281
0
votes
0
answers
516
views
Securely run shell command using php from another server
I've got Server A where the main website is hosted. I've got a panel there that I'd like to safely run a shell command on Server B every time a new user joins in. I will basically create a new user on ...
- 1
0
votes
3
answers
69
views
Quoting rules in a complex situation
When writing lines of code we sometimes need to consider escaping some characters.
I have come across a situation that I cannot answer on my own
In PHP, the exec command requires a string enclosed in ...
- 33
1
vote
0
answers
3k
views
How to run a bash script from PHP
I have below php file to run a bash script...
<?php
$old_path = getcwd();
chdir('/home/scripts/');
$var = escapeshellarg("PC7");
$output = shell_exec("./Script2....
- 93
1
vote
1
answer
782
views
PPA not listing all available php packages
I have added the corresponding PPA:
sudo add-apt-repository ppa:ondrej/php
I have run sudo apt update
But it's only showing candidates for php7.4
sudo apt install -y php8.0 produces E: Couldn't find ...
- 113
0
votes
0
answers
242
views
Why shell_exec returns different response than bash terminal?
I'm running this code in php:
shell_exec("cat /proc/mounts | grep \"^/dev\" | grep -v loop");
and it returns
/dev/sda5 / ext4 rw,relatime,errors=remount-ro 0 0 /dev/sda1 /boot/efi ...
- 153
-1
votes
5
answers
227
views
Reducing HDD seek time in reading the contents of many files in bash [closed]
I read millions of files in subdirectories of /XX/XX/XX/ to process the content of each file. In PHP, I read the files as
foreach(glob("/folder/*") as $a){
foreach(glob("$a/*") ...
- 1,959
1
vote
4
answers
1k
views
Parallel execution of remote commands
The setup:
I have a PHP script (currently written for PHP5.5, but the server it runs from has 7.4) that processes files that contain lists of linux servers, then runs a bash or perl script via ssh on ...
- 131
2
votes
3
answers
3k
views
arguments limit php exec() to bash script
Testing how long will it take to pass 50000 arguments from php to a bash script, turns that I cannot pass even 1000 arguments from php to a bash script at once, unless I can?
PHP:
$array = ...
- 145
1
vote
1
answer
228
views
Issues with bash script containing exigrep command when invoked from PHP webpage
I have a bash script to extract information from exim_mainlog. When the bash script is run from a putty command line (logged in as root), the extracted data is properly written to an output file. ...
- 11
0
votes
1
answer
610
views
“sudo ls -a1 /home” Permission Denied
I have a php script that will run exec("bash /path/to/list.sh $dir", $out);
The contents of list.sh are...
#!/bin/bash
sudo /usr/bin/ls -a1 $@ 2>&1
I have given apache permission to run ls ...
0
votes
0
answers
856
views
bash script curl upload files to php page
I am not sure that I am posting on the correct forum. I am working with Linux Centos 7 and I write a bash script which take all files with txt extension from a directory to upload them to the server ...
- 185
2
votes
1
answer
409
views
Who is eating data? Xargs?
I am trying to parse a recursive directory of PHP files using the built in PHP linter, which works like this:
$ php -l good.php
No syntax errors detected in good.php
$ php -l bad.php
PHP Parse error:...
- 16.4k
0
votes
1
answer
48
views
Installing Composer dependency manager and running it right afterwards
I install Composer the PHP dependency manager and run it right afterwards this way on Ubuntu 18.04 with Bash:
curl -sS https://getcomposer.org/installer -o composer-setup.php
php composer-setup.php --...
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