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Updated the troubleshooting doc with a chapter for the proc_fork errors that happen on a tiny VPS with no swap space. Also added the solution provided in #1849, #1101, #945.

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Sandy Pleyte 2014-02-24 09:40:02 +01:00
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doc/articles/troubleshooting.md
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@ -118,3 +118,22 @@ your GitHub account and to solve this issue you need to:
2. Add it to the configuration running `composer config -g github-oauth.github.com <oauthtoken>` 2. Add it to the configuration running `composer config -g github-oauth.github.com <oauthtoken>`
Now Composer should install/update without asking for authentication. Now Composer should install/update without asking for authentication.
## proc_open(): fork failed errors
If composer shows proc_open() fork failed on some commands:
PHP Fatal error: Uncaught exception 'ErrorException' with message 'proc_open(): fork failed - Cannot allocate memory' in phar
This could be happening because the VPS runs out of memory and has no Swap space enabled.
[root@my_tiny_vps htdocs]# free -m
total used free shared buffers cached
Mem: 2048 357 1690 0 0 237
-/+ buffers/cache: 119 1928
Swap: 0 0 0
To enable the swap you can use for example:
/bin/dd if=/dev/zero of=/var/swap.1 bs=1M count=1024
/sbin/mkswap /var/swap.1
/sbin/swapon /var/swap.1