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FELIPE FERREIRA

System Administrator

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Tag: Linux

By : Felipe Ferreira30/03/201723/05/2019
HowTo, Linux, Security Leave a Comment on Block IP bash script

Block IP bash script

Still working hard to keep my server security locked down from attacks.

This script checks lighttpd logfile for unusual behaviour

Script to monitor and block IPs spaming in varios ways …

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Tags: bash, block IPs, lighttpd, Linux, script, Server, spaming, wordpress, wp
By : Felipe Ferreira10/01/201713/09/2019
HowTo, Linux 2 Comments on Failed to read keytab [default]

Failed to read keytab [default]

When starting sssd in centos 7 I was getting this error:  “Failed to read keytab [default]”
SOLUTION:
rm /etc/krb5.keytab
klist -k
vi /etc/samba/smb.conf
security = ads
dedicated keytab file …

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Tags: centos, keytab, Linux, sssd
By : Felipe Ferreira07/12/201623/05/2019
HowTo, Linux Leave a Comment on Python 3 Django Mariadb

Python 3 Django Mariadb

Centos 6 x64 Python 3 Django Mariadb
I found out the hard way that python 3 default mysql driver does not work
Anyways You will need to install mariadb devel…

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Tags: centos, django, Linux, mariadb, Python
By : Felipe Ferreira25/11/201623/05/2019
HowTo, Linux 1 Comment on URBACKUP CENTOS 7 HOW TO INSTALL

URBACKUP CENTOS 7 HOW TO INSTALL

URBACKUP CENTOS 7 HOW TO INSTALL
Centos 7 x64bit urbackup-server-2.0.36
Requirements:
yum install autoconf automake binutils bison flex gcc gcc-c++ gettext libtool make patch pkgconfig redhat-rpm-config rpm-build rpm-sign
yum install …

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Tags: 7, centos, HowTo, install, Linux, Server, URBACKUP
By : Felipe Ferreira17/11/201623/05/2019
HowTo Leave a Comment on VPN openvpn howto linux

VPN openvpn howto linux

yum install -y openvpn
modprobe iptable_nat
echo 1 > /proc/sys/net/ipv4/ip_forward
iptables -t nat -A POSTROUTING -s 10.4.0.1/2 -o eth0 -j MASQUERADE
cd /etc/openvpn/

openvpn –genkey –secret vpn.key vi openvpn.conf openvpn.conf …

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Tags: HowTo, Linux, openvpn
By : Felipe Ferreira14/11/201623/05/2019
bash, BashScripts, HowTo, Linux, LinuxCommands, script, Security Leave a Comment on Reverse SSH Tunnel

Reverse SSH Tunnel

The idea is to have my IP autostart connect to my Cloud server,
this way I can remote control my Raspberry PI without having to configure DynDNS and firewall rules.…

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Tags: Linux, Reverse, script, ssh, tunnel
By : Felipe Ferreira14/09/201623/05/2019
HowTo, Linux Leave a Comment on How to force ntpd time sync

How to force ntpd time sync

How to find out ntp offset
ntpq -nc peers

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Tags: Linux, ntp, ntpd, ntpdate, sync, time

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