Got this error trying to adjust time on a VPS from the host node? [root@server ~]# vzctl set 111 –capability sys_timen –save Unable to set capability on running container WARNING: Some of the parameters could not be applied to a running container. Please consider using –setmode option There is two possible solutions : 1. Stop… Read More »
Here are the few steps to generate the private key, certificate signed request, self-signed certificate and how to get rid of the passphrase request when starting you’re application . Okay, let’s start. Go to the directory you want to store you’re certificate stuff. This example will assume you’re common name (aka : host name) will… Read More »
Getting this error trying to send e-mail with Postfix MTA? postdrop: warning: unable to look up public/pickup: No such file or directory Simply do the following as root : mkfifo /var/spool/postfix/public/pickup And then, restart the service : service postfix restart
First, avoid any problem by getting two identical hard drive (or at least, same size and speed at least if not from same manufacturer). This tutorial assume both your hard disk are “da0” and “da1“. If you don’t know you’re devices name, simply use “dmesg” or “df -h” command to find out. First, let’s temporary… Read More »
To search and replace across multiple text file on a Linux/Unix system, use the following command : find . -name “*.extension” -print | xargs sed -i ‘s/search_for_text/replace_with_text/g’ So, as example, let’s assume you want to replace an IP address in multiple Bind zone file (using the extension .hosts) and replace IP address 10.10.1.1 for 192.168.1.1… Read More »
Using VMware Server on RedHat Enterprise Linux, you may expect this error in log file /var/log/secure : PAM unable to dlopen(/lib/security/pam_unix2.so PAM [error: /lib/security/pam_unix2.so: cannot open shared object file: No such file or directory] PAM adding faulty module: /lib/security/pam_unix2.so Actually, this error does not seem to affect the functionality of VMware Server. To work around… Read More »
On a multi DC (Windows 2003 – 2008) Active Directory, you may encounter the following NTDS event : Active Directory failed to create an index for the following attribute. Attribute identifier: 591789 Attribute name: msFVE-RecoveryGuid A schema cache update will occur 5 minutes after the logging of this event and will attempt to create an… Read More »
Edit /boot/loader.conf and set the following value to ” 1 ” : hint.acpi.0.disabled=”1″
Since RoundCube version 0.6, you may expect the following error when trying to delete a message : Server Error : UID COPY : Error in IMAP command received by server. You probably using Courier-IMAP daemon. As commented in “main.inc.php” configuration file for default storage folders, you need to modify the folder name according to the… Read More »
Trying to update BIOS on Dell PowerEdge server running CentOS Linux may fail to complete with no further explanation even if all software requirement has been met do do the upgrade from the OS. This is because Dell does not recognize CentOS (which is a 100% RedHat binary compatible) as a supported OS (such as… Read More »