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One server, two WP sites, one upgrade works - one does not. DNS-related. (2 posts)

  1. cananet
    Member
    Posted 1 year ago #

    I have a CentOS server with two wordpress sites configured under two separate users.

    One of the sites I was able to login and upgrade to 3.4.2 without any issue. But the other site fails with an error that points to DNS -
    Downloading update from http://wordpress.org/wordpress-3.4.2-partial-1.zip…
    Download failed.: Couldn't resolve host 'wordpress.org'
    Installation Failed

    Now, if it were actually DNS - then my other site should not have upgraded. I've tried running the upgrade multiple times and same result.

    So... I loaded up tcpdump and did a sniff on the wire. When I execute the upgrade, it is not even attempting to do a DNS query. There is nothing going out.

    My question is, if DNS failed once and the upgrade process failed, is there a file that is flagged or a bit set somewhere that I need to go turn off? Because as of right now, without the upgrader even attempting to query again he will never know whether or not the site is available.

  2. cananet
    Member
    Posted 1 year ago #

    I will add, DNS is working properly at the system level.

    $ host wordpress.org
    wordpress.org has address 72.233.56.138
    wordpress.org has address 72.233.56.139
    wordpress.org mail is handled by 10 mail.wordpress.org.
    $ host download.wordpress.org
    download.wordpress.org has address 72.232.44.122
    $ host http://www.cnn.com
    http://www.cnn.com has address 157.166.226.25
    http://www.cnn.com has address 157.166.226.26
    http://www.cnn.com has address 157.166.255.18
    http://www.cnn.com has address 157.166.255.19

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