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SSL Certificate Warning

Linux CentOS 5

(2014-01-20) Problem Email: ################# SSL Certificate Warning ################ Certifi...

Updated 10 months ago by david

TCP Window Scaling

Linux CentOS 5

(5 November 2012) Problem: When sending mail to a particular target, we were unable to send messa...

Updated 10 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 10 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 10 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 10 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 10 months ago by david

Dummy Cert Expired

Linux CentOS 6

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

Updated 10 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 10 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 10 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 10 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 10 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 10 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 10 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 10 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 10 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 10 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 10 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 10 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 10 months ago by david

Unban IP Address

Linux CentOS 7

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

Updated 10 months ago by david