You are probably used to all these “get my IP” or “find my IP” kind of site, which show your external / Internet IP on a Web page. However you might be facing some challenge if you are on a CLI only kind of machine. Fortunately there is a few ways to find your public… Read More »
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 »
Encountering an error 404 file or directory not found with IIS but the file actually exist? This is because IIS won’t serve unknown MIME type/file extension, when encountered, it return that the file does not exist even though it is actually present on the Web server’s file system. To resolve this matter, do the following… 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 »
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 »
Microsoft made a lot of improvement on Terminal Services compared to the previous versions. They also made it more complete and complex than just for single servers. Therefore, you might be in a situation where you do not need all the bells and whistles it provides, if you just want to increase the number of… Read More »
If you have encountered the following error message trying to migrate or synchronize an IMAP mailbox using the great IMAPsync.pl script : Host1: mail1.domain.tld says it has NO CAPABILITY for AUTHENTICATE LOGIN Then you may want to look at the following : – Bad credentials – Special character in the password that need to be… Read More »
If you already have a certificate generated by a certificate authority (or maybe a wildcard certificate), you can use the following procedure to configure it on your iDRAC, so you can get rid of the browser security warning. We will use the iDRAC “racadm” command line utility (if you do not have it already, you… 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 »
Here is how to quickly show the connected clients to a NFS server. It might be useful to know before rebooting the server! On the server, execute the following command (replace <> with the NFS server IP address) : netstat -an | grep <NFS.Server.IP>:2049 Example : netstat -an | grep 192.168.45.32:2049 You should see a… Read More »