Articles by Falko Timme

Falko Timme

About Falko Timme

Falko Timme is an experienced Linux administrator and founder of Timme Hosting, a leading nginx business hosting company in Germany. He is one of the most active authors on HowtoForge since 2005 and one of the core developers of ISPConfig since 2000. He has also contributed to the O'Reilly book "Linux System Administration".

  • CentOS 5.6 - php53-common conflicts with php-common

    centos Author: Falko Timme • Tags: • Comments: 7

    Error: CentOS 5.6 - php53-common conflicts with php-common You have PHP 5.1.6 installed on CentOS 5.6 and want to update to PHP 5.3 like this: yum install php53 php53-cli php53-common php53-gd php53-imap php53-intl php53-mbstring php53-mysql php53-odbc php53-pdo php53-pspell php53-snmp php53-xml php53-xmlrpc The update aborts with the following error: [root@server1 ~]# yum install php53 php53-cli php53-common php53-gd php53-imap php53-intl php53-mbstring php53-mysql php53-odbc php53-pdo php53-pspell php53-snmp php53-xml php53-xmlrpc Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile  * base: centos.weepeetelecom.be  * extras: centos.weepeetelecom.be  * updates: ftp.belnet.be Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package php53.x86_64 0:5.3.3-1.el5_6.1 set to be updated ---> Package php53-cli.x86_64 0:5.3.3-1.el5_6.1 set to be updated ---> Package php53-common.x86_64 0:5.3.3-1.el5_6.1 set to be updated ---> Package php53-gd.x86_64 0:5.3.3-1.el5_6.1 set to be updated ---> Package php53-imap.x86_64 0:5.3.3-1.el5_6.1 set to be updated --> Processing Dependency: libc-client.so.1()(64bit) for package: php53-imap ---> Package php53-intl.x86_64 0:5.3.3-1.el5_6.1 set to be updated ---> Package php53-mbstring.x86_64 0:5.3.3-1.el5_6.1 set to be updated ---> Package php53-mysql.x86_64 0:5.3.3-1.el5_6.1 set to be updated ---> Package php53-odbc.x86_64 0:5.3.3-1.el5_6.1 set to be updated ---> Package php53-pdo.x86_64 0:5.3.3-1.el5_6.1 set to be updated ---> Package php53-pspell.x86_64 0:5.3.3-1.el5_6.1 set to be updated ---> Package php53-snmp.x86_64 0:5.3.3-1.el5_6.1 set to be updated --> Processing Dependency: net-snmp for package: php53-snmp ---> Package php53-xml.x86_64 0:5.3.3-1.el5_6.1 set to be updated ---> Package php53-xmlrpc.x86_64 0:5.3.3-1.el5_6.1 set to be updated --> Running transaction check ---> Package libc-client.x86_64 0:2004g-2.2.1 set to be updated ---> Package net-snmp.x86_64 1:5.3.2.2-9.el5_5.1 set to be updated --> Processing Dependency: libsensors.so.3()(64bit) for package: net-snmp --> Running transaction check ---> Package lm_sensors.x86_64 0:2.10.7-9.el5 set to be updated --> Processing Conflict: php53-common conflicts php-common --> Finished Dependency Resolution php53-common-5.3.3-1.el5_6.1.x86_64 from updates has depsolving problems   --> php53-common conflicts with php-common Error: php53-common conflicts with php-common  You could try using --skip-broken to work around the problem  You could try running: package-cleanup --problems                         package-cleanup --dupes                         rpm -Va --nofiles --nodigest The program package-cleanup is found in the yum-utils package. [root@server1 ~]#

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  • MySQL - mysqldump: Got error: 1016: Can't open file: './exampledb/xxx.frm' (errno: 24) when using LOCK TABLES

    mysql Author: Falko Timme • Tags: , , • Comments: 6

    You try to create a MySQL database dump and get the following error: mysqldump -u root -pmysecretpassword --opt exampledb > exampledb.sql mysqldump: Got error: 1016: Can't open file: './exampledb/xxx.frm' (errno: 24) when using LOCK TABLES

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  • Virtualization With KVM On A CentOS 6.0 Server

    centos Author: Falko Timme • Tags: , , • Comments: 4

    Virtualization With KVM On A CentOS 6.0 Server This guide explains how you can install and use KVM for creating and running virtual machines on a CentOS 6.0 server. I will show how to create image-based virtual machines and also virtual machines that use a logical volume (LVM). KVM is short for Kernel-based Virtual Machine and makes use of hardware virtualization, i.e., you need a CPU that supports hardware virtualization, e.g. Intel VT or AMD-V.

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  • Postfix/Dovecot - warning: SASL: Connect to private/auth failed: No such file or directory

    postfix Author: Falko Timme • Tags: • Comments: 21

    Error: Postfix/Dovecot - warning: SASL: Connect to private/auth failed: No such file or directory You have the following error messages in your mail log: Aug 23 15:55:01 server1 postfix/smtpd[15194]: warning: SASL: Connect to private/auth failed: No such file or directory Aug 23 15:55:01 server1 postfix/smtpd[15194]: fatal: no SASL authentication mechanisms Aug 23 15:55:02 server1 postfix/master[3979]: warning: process /usr/libexec/postfix/smtpd pid 15194 exit status 1 Aug 23 15:55:02 server1 postfix/master[3979]: warning: /usr/libexec/postfix/smtpd: bad command startup -- throttling

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  • SpamAssassin - config: no rules were found! Do you need to run 'sa-update'?

    Author: Falko Timme • Tags: • Comments: 0

    Error: SpamAssassin - config: no rules were found! Do you need to run 'sa-update'? You run spamassassin --lint and get the following output: [root ~]# spamassassin --lint config: no rules were found! Do you need to run 'sa-update'? [root ~]#

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  • Nagios/Icinga (Debian Squeeze) - NRPE: Command 'check_procs' not defined

    Author: Falko Timme • Tags: • Comments: 0

    Error: Nagios/Icinga (Debian Squeeze) - NRPE: Command 'check_procs' not defined You monitor a remote server with Nagios or Icinga and see the following errors in your Nagios/Icinga web interface: NRPE: Command 'check_all_disks' not defined NRPE: Command 'check_mysql_cmdlinecred' not defined NRPE: Command 'check_procs' not defined

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  • Nagios/Icinga (Debian Squeeze) - CHECK_NRPE: Received 0 bytes from daemon. Check the remote server logs for error messages.

    debian Author: Falko Timme • Tags: • Comments: 1

    Error: Nagios/Icinga (Debian Squeeze) - CHECK_NRPE: Received 0 bytes from daemon. Check the remote server logs for error messages. You monitor a remote server with Nagios or Icinga and see the following error in your Nagios/Icinga web interface: CHECK_NRPE: Received 0 bytes from daemon. Check the remote server logs for error messages. In /var/log/syslog on the remote server you see these messages: Aug 23 14:20:20 server2 nrpe[11496]: Error: Request contained command arguments, but argument option is not enabled! Aug 23 14:20:20 server2 nrpe[11496]: Client request was invalid, bailing out...

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  • Nagios/Icinga Debian - CHECK_NRPE: Error - Could not complete SSL handshake.

    Author: Falko Timme • Tags: • Comments: 0

    Error: Nagios/Icinga (Debian ) - CHECK_NRPE: Error - Could not complete SSL handshake. You try to connect from your Nagios/Icinga host to a remote Nagios NRPE server like this... /usr/lib/nagios/plugins/check_nrpe -H 9.8.7.6 ... and get the following error: root@server1:/etc/nagios-plugins/config# /usr/lib/nagios/plugins/check_nrpe -H 9.8.7.6 CHECK_NRPE: Error - Could not complete SSL handshake. root@server1:/etc/nagios-plugins/config#

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  • Server Monitoring With Icinga On Debian Squeeze

    debian Author: Falko Timme • Tags: , • Comments: 7

    Server Monitoring With Icinga On Debian Squeeze Icinga is an enterprise grade open source monitoring system which keeps watch over networks and any conceivable network resource, notifies the user of errors and recoveries and generates performance data for reporting. It is a fork of Nagios. This tutorial explains how to install Icinga on a Debian Squeeze server to monitor this server and another Debian Squeeze server.

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  • OpenSUSE - Can't connect to UNIX socket /var/run/clamav/clamd: No such file or directory

    Author: Falko Timme • Tags: • Comments: 0

    Error: OpenSUSE - Can't connect to UNIX socket /var/run/clamav/clamd: No such file or directory You get the following error in your mail log: Jul 7 09:13:35 hades amavis[21674]: (21674-01) (!!)ClamAV-clamd av-scanner FAILED: run_av error: Too many retries to talk to /var/run/clamav/clamd (Can't connect to UNIX socket /var/run/clamav/clamd: No such file or directory) at (eval 101) line 325.

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