How To Fix symbol lookup error: /usr/sbin/httpd2-prefork: undefined symbol: apr_ldap_ssl_init
Tuesday, July 29th, 2008
Apache stopped starting today for no apparent reason.
1 2 3 4 5 6 7 | rcapache2 restart
/usr/sbin/httpd2-prefork: symbol lookup error: /usr/sbin/httpd2-prefork: undefined symbol: apr_ldap_ssl_init
Starting httpd2 (prefork) /usr/sbin/httpd2-prefork: symbol lookup error: /usr/sbin/httpd2-prefork: undefined symbol: apr_ldap_ssl_init
The command line was:
/usr/sbin/httpd2-prefork -f /etc/apache2/httpd.conf -DSSL
failed |
So I tried reinstalling libapr and apache2-utils related stuff with no luck. ldconfig didn't help either. It's not until I looked at /usr/lib and relinked a few things that it started working. What the hell, SUSE?
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 | /usr/lib # l libapr* -rw-r--r-- 1 root root 239306 2007-09-21 23:41 libapr-1.a -rw-r--r-- 1 root root 821 2007-09-21 23:41 libapr-1.la lrwxrwxrwx 1 root root 17 2008-07-30 00:21 libapr-1.so -> libapr-1.so.0.2.9* lrwxrwxrwx 1 root root 18 2008-07-30 00:21 libapr-1.so.0 -> libapr-1.so.0.2.12* -rwxr-xr-x 1 root root 543841 2008-07-29 23:47 libapr-1.so.0.2.12* -rwxr-xr-x 1 root root 148372 2007-09-21 23:41 libapr-1.so.0.2.9* -rw-r--r-- 1 root root 156300 2007-09-23 13:33 libaprutil-1.a -rw-r--r-- 1 root root 912 2007-09-23 13:33 libaprutil-1.la lrwxrwxrwx 1 root root 21 2008-07-30 00:22 libaprutil-1.so -> libaprutil-1.so.0.2.9* lrwxrwxrwx 1 root root 22 2008-07-30 00:21 libaprutil-1.so.0 -> libaprutil-1.so.0.2.12* -rwxr-xr-x 1 root root 291520 2008-07-29 23:47 libaprutil-1.so.0.2.12* -rwxr-xr-x 1 root root 98148 2007-09-23 13:33 libaprutil-1.so.0.2.9* /usr/lib # ln -sf libaprutil-1.so.0.2.9 libaprutil-1.so.0 /usr/lib # ln -sf libapr-1.so.0.2.9 libapr-1.so.0 /usr/lib # l libapr* -rw-r--r-- 1 root root 239306 2007-09-21 23:41 libapr-1.a -rw-r--r-- 1 root root 821 2007-09-21 23:41 libapr-1.la lrwxrwxrwx 1 root root 18 2008-07-30 00:34 libapr-1.so -> libapr-1.so.0.2.9* lrwxrwxrwx 1 root root 18 2008-07-30 00:21 libapr-1.so.0 -> libapr-1.so.0.2.9* -rwxr-xr-x 1 root root 543841 2008-07-29 23:47 libapr-1.so.0.2.12* -rwxr-xr-x 1 root root 148372 2007-09-21 23:41 libapr-1.so.0.2.9* -rw-r--r-- 1 root root 156300 2007-09-23 13:33 libaprutil-1.a -rw-r--r-- 1 root root 912 2007-09-23 13:33 libaprutil-1.la lrwxrwxrwx 1 root root 21 2008-07-30 00:35 libaprutil-1.so -> libaprutil-1.so.0.2.9* lrwxrwxrwx 1 root root 21 2008-07-30 00:35 libaprutil-1.so.0 -> libaprutil-1.so.0.2.9* -rwxr-xr-x 1 root root 291520 2008-07-29 23:47 libaprutil-1.so.0.2.12* -rwxr-xr-x 1 root root 98148 2007-09-23 13:33 libaprutil-1.so.0.2.9* /usr/lib # rcapache2 restart Syntax OK Shutting down httpd2 (waiting for all children to terminate) done Starting httpd2 (prefork) done |
Voila, apache starts now. Grrr, why linker, why??
Google PageRank Update Happening Now
Saturday, July 26th, 2008
As Matt Cutts (Google's SEO and search quality expert) wrote in his blog entry a few days ago, Google PageRank updates are underway. Google updates PR (Page Rank) quite rarely – every three months or so, and it's the most important thing a website operator should be concerned with when it comes to site promotion and popularity.
I'm happy to report that Beer Planet's PR went up yet again on this update, from 3 to 4 and my buddy Thaya's PR went up from 2 to 3. He's been blogging a lot more about WordPress, and I think he'll surpass me very soon, thanks to his ingenious plugins.
Is it time to check your site's PR? You can use the Google Toolbar, Firefox plugins, like Search Status, or a range of websites that provide this number, like this one.
(+2 rating, 2 votes)
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How To Check If The Local SVN Revision Is Up-To-Date
Wednesday, July 23rd, 2008
I've encountered a problem recently where I had to figure out if some checked out code is up-to-date with the svn repository, without actually running svn update. Unfortunately, svn update doesn't have a dry-run option, so I had to find another solution.
I came up with 2, depending on how detailed the information needs to be, which I'm about to share in this post.
1. If you want exact file and directory names, you can run:
svn status -u
If any files need updating, you will see a * before the file name.
svn status wc M wc/bar.c A + wc/qax.c
svn status -u wc
M 965 wc/bar.c
* 965 wc/foo.c
A + 965 wc/qax.c
Status against revision: 981Or more verbose
svn status --show-updates --verbose wc
M 965 938 kfogel wc/bar.c
* 965 922 sussman wc/foo.c
A + 965 687 joe wc/qax.c
965 687 joe wc/zig.c
Status against revision: 981Parsing the output in Perl, for instance, should be trivial. A connection to the repository is established for this check, so be sure to catch in your code the times when such connection is not available.
2. If you only care about whether a specific directory needs to be updated or not, here's a quicker method:
svn info vs svn info -rHEAD
cd somedir; svn info -r HEAD | grep -i "Last Changed Rev" Last Changed Rev: 8544 svn info | grep -i "Last Changed Rev" Last Changed Rev: 8531
If these numbers are not the same, an update is needed.
What can I be missing? Are there any other creative ways, or is svn update going to support dry-run? Feel free to leave a comment if you know something I don't.
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UFC Heavyweight Contender vs Former Champion Of The World [VIDEO] - God Damn!
Monday, July 21st, 2008
I just saw this on TV and had to look it up and post. The guy that looks like a tank made out of meat is Brock Lesnar. In his first UFC match, he's fighting the former UFC champion of the world, Frank Mir. At first it seems the outcome is clear but the fight surprisingly ends in mere one and a half minutes. Here's the replay:
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Watchmen Trailer Sneak Peak - One Of The Weirdest And Most Awesome Trailers In A Long Time
Thursday, July 17th, 2008
If you are experiencing a weird feeling in your pants, it's normal.
beer planet is Artem Russakovskii's blog. Artem is a software engineer at 
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