Windows : File Explorer don’t refresh

I had this strange issue on Windows 8/10 where changes such as file/folder renaming or deletion not appearing after a modification. A manual “Refresh” from the contextual menu (right click + Refresh) was required to show the last modification. It seem that some Windows core components were corrupted and needed to be repaired/restored. First of… Read More »

Linux : Package package-name.rpm is not signed

Having the following error trying to install a unsigned package from Yum repository on CentOS/RHEL? Unless you get an officially signed package(s), you will need to override/accept the installation of unsigned package (if you trust the source/issuer, of course). If installing a locally located rpm file(s), you may use the command “rpm -ivh package-name.rpm“. If… Read More »

Windows : RDP An authentication error has occurred. The function requested is not supported

Since the latest Windows Updates, you might be encountering the following error when you RDP to another computer or server : An authentication error has occurred. The function requested is not supported Remote computer: This could be due to CredSSP encryption oracle remediation. For more information, see https://goomicrosoft.com/fwlink/?linkid=866660 This is basically due to the fact… Read More »

Web : SSL error NET::ERR_CERT_SYMANTEC_LEGACY

Since April 2018, I have noticed the following SSL error with Google Chrome and Safari’s latest versions : NET::ERR_CERT_SYMANTEC_LEGACY All Symantec SSL/TLS certificates issued prior June 1st 2016 will output this warning from now on since the latest updates. Web user, nothing is wrong on your side, the site owner must re-issue his certificate, even… Read More »

JunOS : Versions running on dual partitions are not same

Having the following notification on the console output after booting your Juniper EX switch? WARNING: JUNOS versions running on dual partitions are not same This might have been caused by an incomplete/failed upgrade of JunOS. Either way, unless this is the result of an action made on purpose, it is important that both slices have… Read More »

Windows : Recover lost session profile

Have you lost your session profile since the last time you logged in on your Windows PC (meaning login with your user account and your settings and/or files vanished)? There might be multiple causes for that, such as you logged into a temporary profile or you joined the PC to a domain. (If this happened… Read More »