If you are using PuTTY or any variant version such as Kitty (not the feline, but the SSH client!), you may have noticed that backspace does not work with some devices. To resolve this matter, follow the easy steps below. 1. In the client window, on the left pane, browse to : Terminal > Keyboard… Read More »
Beside the iCloud service, iTunes is the way to go when you need to backup your Apple mobile devices such as iPhone and iPad. If you want to secure the backups taken by iTunes on your computer file system, this article will show you where it is stored on your Windows computer file system. Before… Read More »
If you are running both cPanel and have your own R1Soft server, there is a nice integration in cPanel that allow users to restore files, database or their whole account from this external backup source/destination. There are several steps involved for this, such as : 1. Enable control panel restore on the R1Soft server ;… Read More »
By design, Google Chrome cannot be started as root on Linux systems for security reason, which totally make sense. However, there might be some exceptions where it is required. Here is how to make it work. If you need to run it once or really occasionally, you may start it with the following command using… Read More »
Having some issues using the GCC compiler? The problem may show up under different circumstances, such as : – Invoking the GCC compiler trying to compile an application manually using “sudo ./configure”. In such case, an output similar as below will be shown :
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checking for gcc... gcc checking whether the C compiler works... no configure: error: in `/path/to/some/source/folder': configure: error: C compiler cannot create executables |
– Trying to upgrade outdated packages after updating MacPorts (which… Read More »
It is possible with Config Security Firewall (CSF) to open an inbound port from a specific source IP address. This is defined outside of the global configuration (csf.conf), within a dedicated config file. 1. Open the following file with your favorite text editor :
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/etc/csf/csf.allow |
2. Follow this syntax to open a specific port for… Read More »
If you are running a Virtual Chassis on EX, QFX or MX platform and end up in a situation where one of the vc-port show up on one unit, and down on the other, this lecture is for you! Let’s do a quick recap on the behavior : 1. Interface set as vc-port (SFP+ or… Read More »
Having the following error when trying to add a new hypervisor to an existing cluster in VMware vCenter? A general system error occurred: Time out waiting on vpxa to start This is most likely happening with the ESXi version is greater than the ones supported by your currently running vCenter. Have a look at the… Read More »
Since Windows 10 build 1803 from April 2018, the XPS Viewer is no longer included by default in that build of the operating system and has to be installed manually. Usually this is done by browsing to the applications and feature pane but sometimes cannot be found and installed this way. The quickest and most… Read More »
Under some rare circumstances, you may require to change the default route metric. The first way of doing should be through the “ifcfg-ethX” configuration file by adding the “METRIC=” statement. However it has been found to be inefficient for me and had to apply it using “ip route” as followed :
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ip route del default via <your.default.gateway.ip> dev <interface> proto static metric <current.metric> ip route add default via <your.default.gateway.ip> dev <interface> proto static metric <new.metric> |
Example :
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ip route del default via 1.2.3.4 dev eth0 proto static metric 100 ip route add default via 1.2.3.4 dev eth0 proto static metric 90 |