I've just installed syslog-ng from epel onto a test CentOS7 box and found that the service wouldn't start, a quick verify of my syslog-ng.conf, with syslog-ng -s came back like so...
syslog-ng: Error setting capabilities, capability management disabled; error='Operation not permitted'
The debain fix suggests something ...
NTP Authentication is a recommended best security practice; there are a lot of documents out there on how to setup NTP authentication between two Cisco IOS devices but anything between Cisco and LINUX is few and far between.
I have setup a LINUX Server (Redhat/CentOS) box, that will act ...
Recently I have been using ciscoconfparse to loop through Cisco configs, installing on my local laptop is straightforward with pip however getting it onto a customers linux jump server can be a bit more tricky (proxies, build deps and the like).
For Redhat/Centos (6) boxes I found an out ...
If like me you can be a little slow at times you need this in your life.
Centos/Fedora Linux:
#!/bin/bash
$sudo yum install bash-completion
Note to self: The apc.php (script for monitroing apc performance) is
stored in - /usr/share/doc/php-pecl-apc-3.1.3p1
Excellent resources....
Clustered Filesystem with DRBD and GFS2 on CentOS 5.4
...a short walk-through of how to set up a filesystem, which replicates across two web nodes, and allows concurrent access from both nodes. This scenario is particularly useful, when you intend to load-balance or automatically fail-over two web ...
So it turns out my 5 minute vpn doesn't work in EC2 because the ESP/AH protocols (50 and 51) are blocked on the AWS network.
This is no big deal tho, as NAT-T allows one to tunnel IPSEC over UDP... however getting it to work on CentOS required ...
I've spent far too long googling how to disable fencing.... I can only guess that because you shouldn't really disable fencing no-one wants to post a how to... so for the hard of hearing.
Do NOT disable fencing on your RedHat Cluster unless you really know what you ...
I'm not sure why GRE isn't in RedHat's Documentation, but setting up a GRE tunnel between two RedHat boxes is quite straight forward...
On Host1 (192.168.56.101)...
#!/bin/bash
[root@CentOS1 ~]# cat /etc/sysconfig/network-scripts/ifcfg-tun0
DEVICE=tun0
BOOTPROTO=none
ONBOOT=no
TYPE=GRE
PEER_OUTER_IPADDR ...I'm looking at running two servers on EC2; as we all know the most important thing about running services in the cloud is encryption!
Whilst googling on how to setup a host-to-host IPSEC VPN I was surprised at how easy it is...
On Host1 (192.168.56.101)...
#!/bin ...Page 1 / 2 »