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Category Archives: ITechLounge
Linux : How to rename the network interface in CentOS/RHEL7
Since the latest major version release of CentOS/RHEL 7, it seem that we wen’t a bit crazy about the whole systemd thing… Seriously, having a network interface named “eno16780032” isn’t that great! Fortunately, there is a a way of getting back the old naming convention by following these steps : 1. Edit the Grub configuration… Read More »
ScreenOS : Failed to upgrade via WebUI and bogus image not authenticated on console
If you tried to upgrade your Juniper SSG ScreenOS version lately using the WebUI and got the message “Failed to upgrade” and the console output showed : ********Invalid image!!! ********Bogus image – not authenticated!!! Fips check failed (This would output the same if you tried to manually upgrade from the console). This could indicate two… Read More »
VMware : Unable to connect to the MKS: Login (username / password) incorrect
Having the following error while trying to open the console of your guest VMs? Unable to connect to the MKS: Login (username / password) incorrect This is happening because the communication between your client computer and your vSphere host isn’t working properly. The main cause for this would be that the ports required for the… Read More »
Fix compile error: “fatal error: ‘libelf.h’ file not found”
Recently, when I try to build an open source project, I meet the following compile error:
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fatal error: 'libelf.h' file not found #include <libelf.h> ^ 1 error generated. |
The solution is installing elfutils-libelf-devel package:
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sudo yum install elfutils-libelf-devel |
Or:
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sudo dnf install elfutils-libelf-devel |
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