Getting this error trying to use the real time graph usage with Cacti? The Image Cache Directory directory does not exist. Please first create it and set permissions and then attempt to open another realtime graph. OR : The Image Cache Directory is not writable. Please set permissions and then attempt to open another realtime… Read More »
NOTE : This article has been edited since the initial post due to change on the script and latests wget updates [22/12/2016]. If you are used to the popular “SpeedTest.net” Web site to test your bandwidth connection, then here is how to use the same tool but using your Linux terminal. 1. Download the python… Read More »
Having problems connecting to your server with SSH and get this error messages in the system logs? sshd[0000]: input_userauth_request: invalid user <user> sshd[0000]: error: Could not get shadow information for <user> sshd[0000]: Failed password for invalid user <user> from 0.0.0.0 port 00000 ssh2 This mean you are missing “UsePAM” directive and/or the directive is set… Read More »
Ending up with this error while trying to join a workstation to Active Directory domain? Computer Name/Domain Changes The following error occured attempting to join the domain “domain.local”: The network path was not found. The possible cause is one of the required services for Active Directory client computer is not started. Make sure those two… Read More »
Got this error while your deployed Windows Server 2008 start up for the first time doing SysPrep? The computer restarted unexpectedly or encountered an unexpected error. Windows installation cannot proceed. To install Windows, click “OK” to restart the computer, and then restart the installation. Well, you can get rid of this by editing the registry and… Read More »
Use the following script if you want to reallocate the content of your swap area back to RAM. Before doing this, make sure you have enough free memory. #!/bin/bash echo -e “\nOutput of free before:” free swapoff -a ; swapon -a echo -e “\nOutput of free after:” free echo “”
Did you noticed the following message booting up CentOS/RHEL 5.9? You need to implement a remote task_setrlimit in your security module and call it directly from this functionWARNING: at security/security.c:51 security_ops_task_setrlimit() Call Trace: [<ffffffff8012f117>] security_ops_task_setrlimit+0x87/0x96 [<ffffffff8009dcd6>] do_prlimit+0xd7/0x1d2 [<ffffffff8009ee1f>] sys_setrlimit+0x36/0x43 [<ffffffff8005d29e>] tracesys+0xd5/0xdf According to RedHat, this message is harmless and can be safely ignored unless you’re defining… Read More »
Getting this message after adding a new VirtualHost using a dedicated IP address? [warn] VirtualHost 0.0.0.0:443 overlaps with VirtualHost 0.0.0.0:443, the first has precedence, perhaps you need a NameVirtualHost directive Well, you probably forgot a NameVirtualHost directive with the dedicated IP as followed, before the declaration of any VirtualHost in the config : NameVirtualHost 0.0.0.0:443… Read More »
While trying to install Active Directory Domain Service though Server Manager on Windows 2008 R2, the installation failed without much detail. If you have a look at : %appdata%\Local\Temp\ServerManager.Log %appdata%\Microsoft\Windows\ServerManager\ServerManagerExceptions.log You will find something like this : 2404: 2013-08-21 20:41:59.643 [CbsUIHandler] Error: -2147021879 : 2404: 2013-08-21 20:41:59.643 [CbsUIHandler] Terminate: 2404: 2013-08-21 20:41:59.706 [InstallationProgressPage] Verifying installation…… Read More »
Getting this error reloading named on your secondary name server after creating a new zone? domain.tld.hosts:0: ignoring out-of-zone data (domain.tld) domain.tld/IN: has 0 SOA records domain.tld/IN: has no NS records domain.tld/IN: not loaded due to errors. _default/domain.tld/IN: bad zone This probably mean you are missing server “type” for one zone somewhere in your named.conf :… Read More »