Getting this error from the R1Soft repo lately trying to run a “apt-get update” on Debian Linux? Ign http://repo.r1soft.com stable Release W: GPG error: http://repo.r1soft.com stable Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 39A4965166BD1D82 Simply do the following to import the new key and get rid of… Read More »
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 »
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 »
Running into a endless loop of “Search results may be incomplete because items are still being indexed” issue while searching within a folder in Outlook and missing elements in the results? This is an occasional behavior that I have particularly noticed with Windows 7 and Office 2010, but not limited to this software version combination.… Read More »
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 »
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 »
Having the following issue connecting to a device using SSH after upgrading to macOS High Sierra 10.13.2? Unable to negotiate with 0.0.0.0 port 22: no matching cipher found. Their offer: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se This is an expected behavior if you attempt to connect to a legacy system or network device running older version of SSH. To workaround… Read More »
Since Windows 10, Microsoft made it harder for users to disable automatic updates and downloads. When triggered automatically, there is no function on the user interface to stop them, unfortunately. If you are running with the default settings, you might at some point end up working on your computer and noticed that your bandwidth was… Read More »
There might be some (rare) circumstances where you would like to change a UID or GID on Linux system. If you know what you are doing and the implication behind this change (see warning comment below), this can be achieved using the commands below. Change User ID (UID) :
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usermod -u <ID> username |
Example :
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usermod -u 1001 jdoe |
Change Group… Read More »
You probably experienced the following issue, running “Yum update” on a RHEL 7.3 system : error: Failed to initialize NSS library There was a problem importing one of the Python modules required to run yum. The error leading to this problem was: cannot import name ts Please install a package which provides this module, or… Read More »