How to update passwords for iRedMail?
I am using iRedMail with a MySQL backend. For security reasons, I would like to update all of my passwords once a month. Changing the postmaster password can easily be done through the web interface,...
View ArticleLizardFS NFS-Ganesha
Running LizardFS 3.12 on Centos 7.4 wihout issue using the mfsmount command. This part works.[root@client ~]# mfsmount /mfs/lizardfs mfsmaster accepted connection with parameters:...
View ArticleAnybody here use Rancher? Would using Rancher help familiarize me with...
Hey everyone,I'm looking to learn more about Kubernetes and begin using it, and was wondering if installing and using it through Rancher would be a good idea.Would Rancher give me the same command line...
View ArticleHA chicken and egg question.
Let's say you have an app server. You want HA. You do that by have an HA proxy in front of 2 app server. But then didn't we get back to square one because the single point of failure just got moved to...
View ArticleiRedMail and stored plaintext passwords?
I recently setup a iRedMail server (with a MySQL backend) and everything is working fine, so I am switching to maintenance mode. In that spirit, I was investigating updating all of the iRedMail server...
View Articleunattended backup to google drive - how?
I want to start backing up my small home server to google drive - unattended, (gpg?-)encrypted. I used to use duplicity with dropbox backend, but the "unattended" part didnt work, and then there was...
View ArticleCan i resize the aws instance size in a node cluster in docker cloud
we have 8 aws instances in our node cluster (m4.xlarge) .Can i destroy the stack file and resize each instance size in aws console to m4.2xlarge and deploy the stack again ?will this affect any of my...
View ArticleThe Machine [Linux Automation]
Over the past couple of years I've worked at organisations that have used a collection of common Linux server applications that became onerous to manage at scale, or too difficult for non-admins to...
View ArticleVirtualBox Host-Only Networking + TAP + ARP troubles...
So I do most of my development on an Ubuntu VM + macOs host and am learning about networking. Before describing the problem here's my network topology with (1) host-only networking between eth1 and...
View ArticleHP renamed their firmware RPMs...
So now rather than just chucking the latest system RPMs in our repo and letting our auto-updater handle the firmware upgrade I now either have to rebuild all future RPMs with the old naming scheme, or...
View ArticleHelp! - Career Day Presentation Activity
So I've made the great choice to go speak with my son's school for career day (4th & 5th Grade [9 - 11 yr olds]). I'll be presenting to 9 different groups of kids (20 per group) for 40 minutes at a...
View Articlehow to import plugins in jenkins?
So I have two jenkins box. one old jenkins box with bunch of plugins, the other slightly different jenkins box that's clean. How can I import all the plugins from the old jenkin box to the new jenkin...
View ArticleNoob questions about partitioning - lvm - parted - fdisk
Assuming I have a full hard drive at my disposal.Do I have to create a LVM partition with parted or fdisk to use a disk with LVM? Or does pvcreate-vgcreate-lvcreate will take of that?Then of course I...
View Articlejenkins server host key rejected.
I have 2 box. cloudbees and slavebees. I have a test job running designating the job to run on slavebees. However, I am getting the following error. Jan 10, 2018 3:05:54 PM [ssh] Opening connection to...
View Articleinodes got filled one of my instance in aws but there is lot of space left on...
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View ArticleDoes anyone know how to use policyd-rate-limiter?
Hey guysI have a linux server that runs IMSCP 1.5.1. I need to set up a global outgoing rate limit for all email users. The server is running latest debian, and in the apt repo I have something called...
View ArticleProftpd question for a very new Linux user/admin
Can you limit what users see if using a program like FileZilla to upload or download? I was able to set users to only see their home directory if they login via the address bar, but if they login in...
View ArticleXen HVM, Grub, partition tables and file images.
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View ArticleHas anyone used Veeam for backing up their linux systems?
I'm trying to find a backup software to use for a future tape library I plan to purchase. I'm currently using Arkeia but it has been EOL for a while now and I need to move to something else. When I've...
View ArticleSSH Through a Jumpbox to a Protected Server - the Easy Way
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