JunOS : error: device ae0 not found

Having problem setting LACP interface on JunOS and got this “error: device ae0 not found” message? root@EX4200> show lacp interfaces ae0 error: device ae0 not found First, make sure the LACP interface members are properly configured : set interfaces ge-0/0/0 ether-options 802.3ad ae0 set interfaces ge-0/0/0 description “<OPTIONAL_DESCRIPTION>” set interfaces ge-0/0/1 ether-options 802.3ad ae0 set… Read More »

Windows : Enable RDP from command line

Here is a few commands to enable or disable Remote Desktop Protocol and Remote Assistance on Windows 7 and Windows Server 2008 or greater through the command line. Enable RDP : reg add “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server” /v fDenyTSConnections /t REG_DWORD /d 0 /f Disable RDP : reg add “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server” /v fDenyTSConnections /t REG_DWORD /d 1… Read More »

JunOS : Member’s information missing from provisioning database

The following error may occur importing an existing configuration from an EX virtual chassis member to another : re0: (vccpd): [member]: Member’s information missing from provisioning database re0: configuration check-out failed This is probably because you haven’t changed the device(s) serial numbers with the ones matching your new device. Edit the configuration file and replace… Read More »

Linux : APC usage and hit ratio information page

APC (Alternative PHP Cache) come with a nice script (apc.php) that will sort and show you the memory usage and hit ratio of pages cached into APC memory. Do these easy steps to set this up on your Web server. Copy the script from APC folder into a vHost on your Web server (this example… Read More »

Linux : Install file_cache_module.so on CentOS/RHEL6

Since CentOS/RedHat Enterprise Linux 6, “mod_file_cache”, commonly referred as “MMapFile” too is no longer provided with Apache binary. File Cache module statically map file pages into memory. This module is still experimental according to Apache documentation, which may explain why it’s not included, even though it was included in CentOS/RHEL5. You may get the following… Read More »

FabricOS : Reset to factory default and setup basic config on Brocade Fiber Channel switch fabric

This tutorial is about resetting your Brocade Fiber Chanel Fabric (FabricOS) to factory defaut. To perform these commands you’ll need elevated “root” or “admin” users privileges. 1. Reset config to factory default : configdefault -all 2. Set usernames and passwords to factory default : passwddefault 3. Set ethernet (management interface) IP addresses : ipaddrset 4. Set logical switch config… Read More »

Linux : PHP Warning: Unable to allocate memory for pool

Found this error in your Web site Apache error logs? PHP Warning:  require_once(): Unable to allocate memory for pool. This is actually caused by APC (Alternative PHP Cache). The allocated memory limit for APC has been reached and no additional PHP script can be cached anymore. The symptoms on your Web site for such error… Read More »

JunOS : Interface ge-0/0/0.0 not enabled for switching

You may end up with the following error trying to create a LACP (802.3ad) bonded interface on your Juniper device : Error(s): ‘interface ge-0/0/0.0’ 1) Interface ge-0/0/41.0 not enabled for switching 2) configuration check-out failed This is probably due because you have a VLan interface set for these physical interfaces in your configuration such as… Read More »

HP : Configuring MSA P2000 G3 SAN through CLI

HP MSA P2000 G3 SANs provide two ways of startup configuration. The first approach is using the MSA Auto Discovery Tool and the second is using the USB Serial CLI port. This tutorial will cover the CLI method. 1. Connect using a mini USB your computer to the CLI port on controller A. Use any… Read More »