Certificate Chain Incomplete
KB ID 0001570 Problem The certificate here at PNL expired over the weekend, I got a new one and installed it. All appeared to be fine until I did an online check to make sure it was OK. The server’s certificate chain is incomplete Solution I had this problem once before, back then I was using Apache and CentOS7, and things were a little different, (now I’m using NGINX and Ubuntu 18.04). Essentially you see this error...
Domain Controller Wont Boot: Stop Code ‘0x00002e2’
KB ID 0001494 Problem I had this problem after a VMware host upgrade last night, this domain controller would not boot, I tried ‘Last Known Good Configuration’, I tried ‘Safe Mode’ it would not boot. More out of desperation than procedure, I tried to boot to ‘Directory Services Restore Mode’ and it booted up (hooray!) I tried all the client’s usual passwords, and could not log in, I messaged...
FreeRDP Error: 0x2000D
KB ID 0001416 Problem The day after I had deployed some RDP Web access servers, I got the call that all the Linux (Intel NUC Thin clients), could not connect to the RDP farm, all the windows machines were fine? Error [08:19:16:178] [21254:21255] [ERROR][com.freerdp.core.transport] – BIO_read returned a system error 14094438:SSL routines:ssl3_read_bytes:tlsv1 alert internal error [08:19:16:178] [21254:21255]...
VMware Linux VM – ‘No DEFAULT or UI configuration directive found’
KB ID 0001334 Problem Last week while trying to create a Linux VM on a VMware ESX 6.5 server, I saw this; No DEFAULT or UI configuration directive found Solution Normally the error indicates theres something wrong with the install media, so I deleted it and uploaded it again, same error. So I downloaded the setup iso file again and checked its checksum, to make sure it was OK, (it was, but the problem persisted). To fix the problem I...
Setup RANCID and ViewVC (Part One)
KB ID 0001331 Problem There are couple of good posts out there on setting up Rancid (Really Awesome New Cisco Config Differ). Some even show you how to set it up with ViewVC (Formally ViewVCS, basically a nice web based GUI front end, that does version control and highlights differences). It does this using a system called CVS (Concurrent Version System, hence the original name.) Then I had to do some more searching to get it to back...
Linux – Install VMware Tools
KB ID 0001330 Problem Note: This is to install the VMware Tools NOT the OPEN-VM-TOOLS. I’ve had to do this a few times now, and every time I Goolge how to do it, I get pages of instructions on how to install the open vm tools. When what I really want is to install the VMware Tools. Solution I’m using vSphere ESX, but even if you are using VMware Workstation or VMware Fusion, you can still select ‘Install/Upgrade...
CentOS / Redhat / Fedora – VMware VMXNET3 Adapter Not Working
KB ID 0001329 Problem This has tripped me up a couple of times, and if you Google the problem, you find a load of posts saying ‘Just install VMware tools that will fix the problem’ It Wont! And I’ll tell you why, run ifconfig You will notice you have a network card, but you will also notice that it’s got a strange name ‘ens160’ not eth0 as you would normally expect? Anyway let’s prove...
Nginx Error – 413 Request Entity Too Large
KB ID 0001325 Problem A few weeks ago I did a series on setting up a new WordPress site, shortly after I had some problems uploading my caching plugin (wp-rocket). This was the error I got; 413 Request Entity Too Large nginx/1.10.3 (Ubuntu) Anyway, I fixed the error, and a few days later I got an email from someone with the same problem, so I thought this time I would document the fix. Solution Note: I’m going to raise the...
Ubuntu: Setting Up a WordPress Website with LEMP – Part 3
KB ID 0001320 Problem So you want your own web server running WordPress? Previously in Parts One and Two, we setup a new Linux box, and got all the prerequisites installed. Now it’s time to deploy WordPress. Solution There are a few extra bits we need to add to the PHP installation before we setup WordPress, to get those installed run the following command; sudo apt-get install php-curl php-gd php-mbstring php-mcrypt php-xml...
Ubuntu: Setting Up a WordPress Website with LEMP – Part 2
KB ID 0001319 Problem Back in part one we deployed the server and setup our database, now we are going to setup our nginx web server, and get it to work with PHP. Solution Install NGINX To get the nginx package installed; sudo apt install nginx Now ensure nginx is set to start automatically with the server, and manually start the service. sudo systemctl enable nginx sudo systemctl start nginx Make sure it’s up and running;...