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grub parameters

Linux CentOS 7

(2017-09-13) Changing Grub Parameters With Grubby for KERNEL in /boot/vmlinuz-*; do grubby --...

Updated 3 months ago by david

Get Sendmail To Listen On 25, 425, and 587

Linux CentOS 7

(2017-05-03) Problem I want one sendmail.cf to control access to port 25 (no auth, access rules o...

Updated 3 months ago by david

Unban IP Address

Linux CentOS 7

(2017-05-06) Solution # fail2ban-client set sshd unbanip a.b.c.d

Updated 3 months ago by david

DSA SSH Hostkeys

Linux CentOS 7

(2017-05-25) Problem I have a stone-age host monitor thing that is complaining that it can't find...

Updated 3 months ago by david

Auto SSH Agent

Linux CentOS 7

(2019-09-04) Notes that probably won't make any sense to anyone other than myself. This is border...

Updated 3 months ago by david

arp

Linux CentOS 7

(2016-11-22) Problem arp -a is too brief. In keeping with the new trend of banging in long comman...

Updated 3 months ago by david

Active Directory with SSSD

Linux CentOS 7

(2021-02-03) Rough Notes install realmd # realm discover # realm join zoneName -U adminUser i...

Updated 3 months ago by david

Install VMware Tools Yum Repository

Linux CentOS 6

(2014-01-14) Install VMware tools into a new Linux VM with a repository that will keep them updat...

Updated 3 months ago by david

Ignore Host-ID

Linux CentOS 6

(2014-06-26) Problem I want to ignore the host-ID on connection for ssh. Yes, I know it is a dumb...

Updated 3 months ago by david

0x80070035 the network path was not found

Linux CentOS 6

(2013-06-03) Problem Trying to browse to a samba server by name from a Windows system yields the ...

Updated 3 months ago by david

Leap Second

Linux CentOS 6

Problem My nasty java app is eating up all the CPU it can get. (Possibly sharing with something e...

Updated 3 months ago by david

Client nis Setup

Linux CentOS 6

(2019-03-25) NIS client setup cookbook #!/bin/bash DOMAIN=my.nis.domain SERVERNAME=server4.my.ni...

Updated 3 months ago by david

Force NFS v3 Mounts

Linux CentOS 6

(2014-07-17) Problem My CentOS 6 client is trying to mount everything using NFS v4 and I want it ...

Updated 3 months ago by david

Kickstart Ethernet Devices

Linux CentOS 6

(2014-02-17) Problem the specified interface eth0 does not exist Solution In the general case, sp...

Updated 3 months ago by david

Firefox Java Plugin

Linux CentOS 6

Yeah, 2015 and this isn't a solved problem. Problem Java in Firefox. CentOS 6.6, 64-bit. Solution...

Updated 3 months ago by david

Dummy Cert Expired

Linux CentOS 6

Problem I'm getting messages that say: ################# SSL Certificate Warning ################...

Updated 3 months ago by david

Disable IPv6

Linux CentOS 6

(2014-09-16) Problem Things are slow. In our case, attempting to mount a previously-umounted file...

Updated 3 months ago by david

Yum barf when updating package 'file'

Linux CentOS 5

Problem [dave@centos5-dave ~]$ sudo yum update file Loaded plugins: fastestmirror Loading mirror ...

Updated 3 months ago by david

X Display Through SSH

Linux CentOS 5

(2014-03-24) Problem I ssh into a remote host and the $DISPLAY variable isn't set. Solution # yum...

Updated 3 months ago by david

Unexpected CUPS dependencies

Linux CentOS 5

(or, isn't RPM supposed to handle this kind of crap?) Error: Filter "foomatic-rip" for printer (s...

Updated 3 months ago by david