Because since recently, whenever I update Docker, my docker-machine command is gone and I keep forgetting how to re-install it: This is to save time next time it happens. Instructions provided on docker/machine Github.
This is just a repost so I remember. When talking SMTP via a PHP script with a webserver, remember to initiate with “EHLO” instead of the usual “HELO”. HELO does not allow for STARTTLS. Details: fwrite(): SSL operation failed with code 1. OpenSSL Error messages:error:1420C0CF:SSL routines:ssl_write_internal:protocol is shutdown
Basically this: How to add Certificate Authority file in CentOS 7 But more importantly: Check if the so installed new CA has made it into the recognized system CAs by doing this: Reference: How do I list all available SSL CA certificates on CentOS 6
These shortcuts and functions in iterm2 just made my life so much easier: clear buffer Cmd + k clear lines (Bash command) Ctrl + l input to all panes in current tab Cmd + Alt + i I clear panes quite often when working with containers and I usually have quite a number of panes open. Being able… Continue Reading clear all open panes in iterm2
This is probably one of the best posts:https://www.rootusers.com/how-to-increase-the-size-of-a-linux-lvm-by-expanding-the-virtual-machine-disk/ Just a collection of some links that I found nifty, dealing with disks on Linux: fdisk -l or parted -l, lsblk (aka list block devices)List all hard disks connected to a CentOS system – lshwCheck for hard disk errors / signs of failure on CentOS ServerCentOS /… Continue Reading managing disks and using lvm (and other tools)
If you ever feel like the world is falling apart, that every outlook is pessimistic, keep in mind that: Now this does NOT mean that complacency should be your aim. Always stay critical. But do a situation check from time to time, to keep in touch.
Just throwing this out there, as I found it pretty impressive: OpenAI Plays Hide and Seek…and Breaks The Game!
I have switched this blog from worp.one to worp.io as I was finally able to obtain my preferred Domain. In the process I had to change the wordpress base URL, which proved quite painful. First I chose to edit wp-config.php which let the page load but not the CSS and JS for it. Then I… Continue Reading changing the wordpress base url
Just for future reference. git update-index –assume-unchanged (and its counterpart) are very helpful git commands:
Just for me to remember the most basic commands: pvdisplay List physical devices.vgdisplay List volume groups.lvdisplay List logical volumes. lvmdiskscan List devices that may be used as physical volumes lvextend Extend logical volume (by percent, up to specified size or by amount)resize2fs Resize file system after extending a logical volume pvcreate Create physical volumevgcreate Create… Continue Reading LVM Cheatsheet