https://www.startupcto.com/ 2026-04-29T06:08:02+00:00 https://www.startupcto.com/ https://www.startupcto.com/lib/tpl/scto/images/favicon.ico text/html 2023-07-08T22:59:21+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.startupcto.com/server-tech/centos/adding-a-user?rev=1688857161 Adding a User & Groups in CentOS If you're using command line CentOS, adding a user is a bit complicated. FreeBSD has a nice command line script (adduser), but in CentOS: useradd -d /home/bobsmith -s /bin/bash -c "Bob Smith" bobsmith passwd bobsmith text/html 2026-04-29T05:20:38+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.startupcto.com/server-tech/centos/adding-formatting-a-new-drive?rev=1777440038 Adding & Formatting a New Drive Under CentOS I always have trouble remembering the magic set of incantations required to add a new drive in CentOS... particularly without rebooting. Here's what I usually do. Note this makes some assumptions: * You want to use LVM so you can expand/contract the size of the disk later. text/html 2023-10-28T15:00:40+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.startupcto.com/server-tech/centos/centos-server-setup?rev=1698505240 Basic CentOS Server Setup This document details basic steps for getting a CentOS server setup. This is based on CentOS 5. * First up, install CentOS from the DVDs. A basic install is fine. * CentOS comes in 32-bit (i386) and 64-bit (x86_64) editions. Most machines these days are 64-bit, so that is probably what you want. text/html 2023-10-14T04:43:03+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.startupcto.com/server-tech/centos/home?rev=1697258583 CentOS centos index text/html 2023-06-27T04:49:54+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.startupcto.com/server-tech/centos/running-fsck?rev=1687841394 Running fsck in CentOS 5 It is apparently a very bad idea to run fsck on a mounted filesystem, even via single user mode. There are two good options for running it: Boot from a CD Boot from a CD with CentOS on it, and run it from the CD. Then none of your filesystems are mounted. text/html 2023-10-14T04:41:53+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.startupcto.com/server-tech/centos/single-user-mode?rev=1697258513 Getting into Single User Mode in CentOS 5 Unlike FreeBSD, which lets you boot into single user mode from a startup menu, getting into Single User Mode in CentOS is a little more complicated. Here's how: * Reboot the system: bash# reboot * When the system reboots, it will say 'Press any key to enter the boot menu text/html 2023-10-20T20:53:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.startupcto.com/server-tech/centos/staying-up-to-date?rev=1697835193 Keeping CentOS Up To Date CentOS includes the yum package manager, and keeping the system up-to-date is surprisingly easy, at least if you don't need to do anything fancy. Run yum update Just run yum update, which will update the system.