Disabling the crash kernel (and kdump) in CentOS/RHEL 6
Had a system where the user wanted to disable the crash kernel after a previous admin had enabled it. I found a ton of write-ups showing how to enable and configure kdump, but few...
Author: rbc
Installing phpsysinfo on CentOS 7
Quick run-down of what I did to install phpsysinfo on a CentOS 7 box for a client Install httpd, php, php-xml Edit /etc/php.ini safe_mode=Off Download phpsysinfo Unzip tarball Place unzipped folder in /var/www/html/ Browse...
Local Plex Media Server Will Not Allow Login
Went to open my Plex server (running on CentOS 7) and saw that there was only one user listed: me. Seemed odd since I have several users on that installation. Clicked the drop-down by...
SSH sessions seem to freeze after period of inactivity
I was having an issue with my SSH sessions where, after a period of inactivity, they would freeze. They weren’t disconnecting or timing out; they were just frozen. To solve this I made the...
vmware tools install (or vmware-config-tools.pl) hangs after X config
I was updating vmware-tools on some old Linux installations of ours, using a tarball I downloaded from VMware. Once I unzipped the tarball, I ran the installer and told it to take the defaults:...
Changing WordPress permalinks from default to postname
Had an issue on a WordPress site after I changed the permalinks to “%postname%” from the default. Immediately after the change, all my wonderful posts gave 404 when I clicked on them. So I...
What to do when grub2 does not honor the default kernel choice
Recently I updated a Fedora 22 system to kernel 4.2.5 (from 4.1). That broke a few things, because one of my apps needed kernel-specific modules compiled. Something in this kernel version was too out...
VMware API error: “Customization of the guest operating system ‘rhel6_64Guest’ is not supported in this configuration”
While using VMware’s API and pyVmomi to clone templates into a VM, a couple of times I have run into this error: Cannot deploy template: Customization of the guest operating system ‘rhel6_64Guest’ is not...
How to disable that pesky auto-comment in vim
Been using a newer release of vim and dislike how, after you type a comment on a line, vim assumes you want the next line commented also? Or, more frustrating, have you pasted something...
Working with VMware’s API via Python
(Update – Sept. 2, 2015) In some of the community samples, someone wrote a nice function to get different objects. As part of streamlining VM creation, I began working with VMware’s API. The first...