Error: Debian/Apache2/WebDAV - Permission denied: Could not open property database.

You use Apache2 with WebDAV on Debian and see this in Apache's error log (/var/log/apache2/error.log):

[Wed Jun 11 15:39:04 2008] [error] [client 192.168.0.46] (13)Permission denied: Could not open property database. [500, #1]

Error: Apache2 + mod_auth_mysql - Internal error: pcfg_openfile() called with NULL filename

You use Apache2 and mod_auth_mysql to password-protect web folders. In Apache's error log you see these errors:

[Wed Jun 11 17:02:45 2008] [error] Internal error: pcfg_openfile() called with NULL filename
[Wed Jun 11 17:02:45 2008] [error] [client 127.0.0.1] (9)Bad file descriptor: Could not open password file: (null)

Error: curses.h: No such file or directory

You see the following error:

curses.h: No such file or directory

Error: Kernel Compilation - ERROR : "pm_idle" [arch/x86/kernel/apm.ko] undefined!

You try to compile a Linux kernel and get the following errors:

ERROR: "pm_idle" [arch/x86/kernel/apm.ko] undefined!
ERROR: "default_idle" [arch/x86/kernel/apm.ko] undefined!
WARNING: modpost: Found 7 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'
make[2]: *** [__modpost] Error 1
make[1]: *** [modules] Error 2
make[1]: Leaving directory `/home/huawei/linux-2.6'
make: *** [debian/stamp/build/kernel] Error 2

Error: apt - E: Dynamic MMap ran out of room

You get an error like this one when running:

apt-get update

E: Dynamic MMap ran out of room

Error: CentOS - Transaction Check Error : file /usr/bin/shasum from install of perl-Digest-SHA-5.50-1.el5.rf.x86_64 conflicts with file from package perl-Digest-SHA-PurePerl-5.48-1.el5.rf.noarch

You see the following error:

13:30:46 : Transaction Check Error : file /usr/bin/shasum from install of perl-Digest-SHA-5.50-1.el5.rf.x86_64 conflicts with file from package perl-Digest-SHA-PurePerl-5.48-1.el5.rf.noarch

Error: Debian/Ubuntu - ClamAV-clamd: Can't connect to UNIX socket /var/run/clamav/clamd.ctl

You get the following errors in your mail log (/var/log/mail.log) on Debian/Ubuntu:

Jul 28 22:04:28 server1 amavis[31819]: (31819-19) (!)ClamAV-clamd: Can't connect to UNIX socket /var/run/clamav/clamd.ctl: 2, retrying (2)
Jul 28 22:04:34 server1 amavis[31819]: (31819-19) (!!)ClamAV-clamd av-scanner FAILED: run_av error: Too many retries to talk to /var/run/clamav/clamd.ctl (Can't connect to UNIX socket /var/run/clamav/clamd.ctl: No such file or directory) at (eval 88) line 309.
Jul 28 22:04:34 server1 amavis[31819]: (31819-19) (!!)WARN: all primary virus scanners failed, considering backups

Error: Ubuntu/Postfix/Saslauthd - SASL authentication failure: cannot connect to saslauthd server: Permission denied

On a Postfix with SMTP-Auth setup on Ubuntu you see the following error in your mail log:

Apr 26 10:55:19 tcc1 postfix/smtpd[21126]: warning: SASL authentication failure: cannot connect to saslauthd server: Permission denied
Apr 26 10:55:19 tcc1 postfix/smtpd[21126]: warning: SASL authentication failure: Password verification failed
Apr 26 10:55:19 tcc1 postfix/smtpd[21126]: warning: laptop.local[192.168.1.2]: SASL PLAIN authentication failed: generic failure

Error: SquirrelMail - Query: CREATE "Sent" Reason Given: Invalid mailbox name.

On CentOS/Fedora/RedHat, you see the follwing error message in SquirrelMail after you have logged in:

Query: CREATE "Sent" Reason Given: Invalid mailbox name.

Error: Firefox - Content Encoding Error / Google Chrome - Error 330 (net::ERR_CONTENT_DECODING_FAILED): Unknown error.

When you open a PHP page in your Firefox, you get the following error:

Content Encoding Error

The page you are trying to view cannot be shown because it uses an invalid or unsupported form of compression.

* Please contact the website owners to inform them of this problem.

In Google Chrome, you get the following error:

Error 330 (net::ERR_CONTENT_DECODING_FAILED): Unknown error.