Unknown directive "ELF"

[Niko Apostolidis]

OS: CentOS v6.5 x64

Initially I installed nginx from the repo.

Installed nginx from source following: https://developers.google.com/speed/pagespeed/module/build_ngx_pagespeed_from_source

Did my configuration following: https://developers.google.com/speed/pagespeed/module/configuration

...and added some pagespeed EnableFilters

I then updated 

When I go to restart nginx via 

sudo service nginx restart

and get the following error:

nginx: [emerg] unknown directive "ELF" in /usr/local/nginx/sbin/nginx:4

nginx: configuration file /usr/local/nginx/sbin/nginx test failed

My /usr/local/nginx/conf/nginx.conf looks like this (edited site name /var/www directory for security reasons):

#
# The default server
#
server {
    listen       80 default_server;
    server_name  example.com;


    #charset koi8-r;


    #access_log  logs/host.access.log  main;


    location / {
        root           /var/www/blog;
        index  index.php index.html index.htm;
    }


    error_page  404              /404.html;
    location = /404.html {
        root   /usr/share/nginx/html;
    }


    # redirect server error pages to the static page /50x.html
    #
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }


    # proxy the PHP scripts to Apache listening on 127.0.0.1:80
    #
    #location ~ \.php$ {
    #    proxy_pass   http://127.0.0.1;
    #}


    # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
    #
    location ~ \.php$ {
        root           /var/www/blog;
        fastcgi_pass   127.0.0.1:9000;
        fastcgi_index  index.php;
        fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
        include        fastcgi_params;
    }


    # deny access to .htaccess files, if Apache's document root
    # concurs with nginx's one
    #
    #location ~ /\.ht {
    #    deny  all;
    #}


   pagespeed on;


   # Needs to exist and be writable by nginx.
   pagespeed FileCachePath /var/ngx_pagespeed_cache;


   # Ensure requests for pagespeed optimized resources go to the pagespeed handler
   # and no extraneous headers get set.
   location ~ "\.pagespeed\.([a-z]\.)?[a-z]{2}\.[^.]{10}\.[^.]+" {
       add_header "" "";
   }
   location ~ "^/ngx_pagespeed_static/" { }
   location ~ "^/ngx_pagespeed_beacon$" { }
   location /ngx_pagespeed_statistics { allow 127.0.0.1; deny all; }
   location /ngx_pagespeed_global_statistics { allow 127.0.0.1; deny all; }
   location /ngx_pagespeed_message { allow 127.0.0.1; deny all; }


   pagespeed EnableFilters combine_heads,outline_css,outline_javascript;
   pagespeed EnableFilters move_css_above_scripts, move_css_to_head, prioritize_critical_css;
   pagespeed EnableFilters combine_javascript, removes_quotes;
}

My /etc/init.d/nginx looks like this:

#!/bin/sh
#
# nginx - this script starts and stops the nginx daemon
#
# chkconfig:   - 85 15
# description:  Nginx is an HTTP(S) server, HTTP(S) reverse \
#               proxy and IMAP/POP3 proxy server
# processname: nginx
# config:      /etc/nginx/nginx.conf
# config:      /etc/sysconfig/nginx
# pidfile:     /var/run/nginx.pid


# Source function library.
. /etc/rc.d/init.d/functions


# Source networking configuration.
. /etc/sysconfig/network


# Check that networking is up.
[ "$NETWORKING" = "no" ] && exit 0


nginx="/usr/sbin/nginx"
prog=$(basename $nginx)


sysconfig="/etc/sysconfig/$prog"
lockfile="/var/lock/subsys/nginx"
pidfile="/var/run/${prog}.pid"


NGINX_CONF_FILE="/usr/local/nginx/conf/nginx.conf"


[ -f $sysconfig ] && . $sysconfig




start() {
    [ -x $nginx ] || exit 5
    [ -f $NGINX_CONF_FILE ] || exit 6
    echo -n $"Starting $prog: "
    daemon $nginx -c $NGINX_CONF_FILE
    retval=$?
    echo
    [ $retval -eq 0 ] && touch $lockfile
    return $retval
}


stop() {
    echo -n $"Stopping $prog: "
    killproc -p $pidfile $prog
    retval=$?
    echo
    [ $retval -eq 0 ] && rm -f $lockfile
    return $retval
}


restart() {
    configtest_q || return 6
    stop
    start
}


reload() {
    configtest_q || return 6
    echo -n $"Reloading $prog: "
    killproc -p $pidfile $prog -HUP
    echo
}


configtest() {
    $nginx -t -c $NGINX_CONF_FILE
}


configtest_q() {
    $nginx -t -q -c $NGINX_CONF_FILE
}


rh_status() {
    status $prog
}


rh_status_q() {
    rh_status >/dev/null 2>&1
}


# Upgrade the binary with no downtime.
upgrade() {
    local oldbin_pidfile="${pidfile}.oldbin"


    configtest_q || return 6
    echo -n $"Upgrading $prog: "
    killproc -p $pidfile $prog -USR2
    retval=$?
    sleep 1
    if [[ -f ${oldbin_pidfile} && -f ${pidfile} ]];  then
        killproc -p $oldbin_pidfile $prog -QUIT
        success $"$prog online upgrade"
        echo
        return 0
    else
        failure $"$prog online upgrade"
        echo
        return 1
    fi
}


# Tell nginx to reopen logs
reopen_logs() {
    configtest_q || return 6
    echo -n $"Reopening $prog logs: "
    killproc -p $pidfile $prog -USR1
    retval=$?
    echo
    return $retval
}


case "$1" in
    start)
        rh_status_q && exit 0
        $1
        ;;
    stop)
        rh_status_q || exit 0
        $1
        ;;
    restart|configtest|reopen_logs)
        $1
        ;;
    force-reload|upgrade)
        rh_status_q || exit 7
        upgrade
        ;;
    reload)
        rh_status_q || exit 7
        $1
        ;;
    status|status_q)
        rh_$1
        ;;
    condrestart|try-restart)
        rh_status_q || exit 7
        restart
            ;;
    *)
        echo $"Usage: $0 {start|stop|reload|configtest|status|force-reload|upgrade|restart|reopen_logs}"
    *)
        echo $"Usage: $0 {start|stop|reload|configtest|status|force-reload|upgrade|restart|reopen_logs}"
        exit 2
esac

Thoughts?

[Niko Apostolidis]

Btw, /etc/sysconfig/nginx points to /usr/local/nginx/sbin/nginx

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[Jeff Kaufman]

On Mon, Mar 3, 2014 at 9:06 AM, Niko Apostolidis <wire...@gmail.com> wrote:
> nginx: [emerg] unknown directive "ELF" in /usr/local/nginx/sbin/nginx:4
> nginx: configuration file /usr/local/nginx/sbin/nginx test failed

It looks like you're giving nginx a binary where it expects a
configuration file. Somehow /usr/local/nginx/sbin/nginx is being
treated as the name of the configuration file instead of
/usr/local/nginx/conf/nginx.conf.

(The complaint about "ELF" is because a linux binary is generally in
"ELF" format and starts with a few bytes that include the ascii text
"ELF".)