Category Archives: How Tos

Word Press problem Unknown: Releasing SysV semaphore

Posted on July 14, 2008 by admin

If you have WordPress installed you may run in to an error that constantly prints something like this: Warning: Unknown: Releasing SysV semaphore id 58 key 0x152b in request cleanup in Unknown on line 0 This is not an error … Continue reading →

Posted in Apache, blogging, How Tos, offsiteHowTo, Software, wordpress | 1 Comment

RBLs with Exim4 (debian friendly)

Posted on January 11, 2008 by admin

Denying connections based on RBLs is a snap with Exim4. Most confusion is related to ACLs and where the definition sits. The fastest way to deny based on RBL is to add it to whatever ACL you specify in acl_smtp_rcpt … Continue reading →

Posted in Email Servers, Exim, How Tos, Mail Post, RBL, SMTP, Software, spam | Leave a comment

Updating RedHat 9

Posted on December 17, 2007 by admin

Simply: You can’t. up2date will not run and RedHat does not provide updated packages. In 2003 RedHat switched from RedHat9 to Fedora. If you have an old RedHat box, you will have to migrate to Fedora. If it is really … Continue reading →

Posted in How Tos, linux, redhat | Leave a comment