I recently end up with the following error trying to build the R1Soft agent module using “r1soft-setup –get-module” command : Checking if module needs updated Checking for binary module Waiting / No binary module found Gathering kernel information Gathering kernel information complete. Creating kernel… Read More »
Having this error message trying to open a virtual machine (guest) console? The VMRC Console has Disconnected. Trying to reconnect This is probably because either your host or vCenter server does not have the necessary ports opened or filtered. You should have the following port opened on the firewall : tcp-443 tcp-902 tcp-7331 tcp-9443 (vCenter… Read More »
If you recently updated your RoundCube Webmail and noticed that the email received date is missing both on mailbox pane and the email itself, this is because your “date.timezone” PHP setting is either commented or use the wrong setting. To resolve this matter, edit your “php.ini” file : /etc/php.ini And find the following parameter (it… Read More »
One of the interesting and main feature of LVM is the flexibility of shrinking or growing volumes. Follow theses easy steps : NOTE : Steps 1 to 3 are only needed if your physical volume (PV) is full or need more space. You should jump to step 4 if you just need to grow a… Read More »
If you have recently upgraded to Windows 10, you may have encountered the following issue/error message trying to send an email : Sending reported error (0x800CCC13): ‘Cannot connect to the network. Verify your network connection or modem’. You are probably able to receive email without any problem though, the described behaviour is only encountered with… Read More »
If you have a Ex4200 unit in hand that was pulled out from a virtual chassis stack, configured as linecard (LC), you may want to convert it back to “routing-engine” (RE) for future usage. I would suggest first to reset the unit to factory default (in CLI mode) : load factory-default set system root-authentication plain-text-password… Read More »
Did you get the following output trying to set a port in trunk mode on a Cisco IOS powered switch? SWITCH(config-if)#switchport mode trunk Command rejected: An interface whose trunk encapsulation is “Auto” can not be configured to “trunk” mode. This is because you are missing the encapsulation type (likely to be 802.1Q) on that port.… Read More »
Lately, Ubuntu introduced “resolvconf” which manage and maintain the legacy “/etc/resolv.conf” file. As stated in the comment of this file, any manual editing will be lost, so by default you have to use resolvconf to manage it. You will find the following text files under /etc/resolvconf/resolv.conf.d : base : used when no data can be… Read More »
Having the following error trying to install/update kernel v3.10 from the Xen repository on CentOS 6? error: Failed dependencies: kernel-firmware < 3.10.63-11.el6.centos.alt conflicts with kernel-firmware-3.10.63-11.el6.centos.alt.noarch Well, you are probably trying to install using “rpm -i” command. You should use “rpm -Uvh” instead as followed : rpm -Uvh kernel-3.10.68-11.el6.centos.alt.x86_64.rpm kernel-firmware-3.10.68-11.el6.centos.alt.noarch.rpm
Having such issue starting/stopping CSF on RHEL/CentOS 7? # csf -x *WARNING* URLGET set to use LWP but perl module is not installed, reverting to HTTP::Tiny You have an unresolved error when starting csf: Error: /sbin/ifconfig (ifconfig binary location) -v does not exist!, at line 2510 in /usr/sbin/csf You need to restart csf successfully to… Read More »