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Create Network Bonding On CentOS 7

Мавричев Сергей — Fri, 06 May 2016 07:26:00 +0000

Bond .Create Network Bonding On CentOS 7 Метод соединения , комбинирования двух и более интерфейсов . Возможности — отказоустойчивость , скорость.

ifcfg-bond0

DEVICE=bond0
NAME=bond0
TYPE=bond
ONBOOT=yes
BOANDING_MASTER=YES
USERCTL=no
BOOTPROTO=none
IPADDR=192.168.101.17
PREFIX=24
GATEWAY=192.168.101.254
BONDING_OPTS=»mode=1 miimon=100″

ifcfg-enp1s0f0

HWADDR=»xx:…..»
TYPE=»Ethernet»
BOOTPROTO=»none»
DEFROUTE=»yes»
PEERDNS=»yes»
PEERROUTES=»yes»
IPV4_FAILURE_FATAL=»no»
IPV6INIT=»yes»
IPV6_AUTOCONF=»yes»
IPV6_DEFROUTE=»yes»
IPV6_PEERDNS=»yes»
IPV6_PEERROUTES=»yes»
IPV6_FAILURE_FATAL=»no»
NAME=»enp1s0f0″
UUID=»5dce86a1-05ba-4211-9772-e401276aecbe2f»
ONBOOT=»yes»
MASTER=bond0
SLAVE=yes

ifcfg-enp1s0f1

Подобный предыдущему.

Статья- http://www.unixmen.com/linux-basics-create-network-bonding-on-centos-76-5/

Установка webmin на centos 7

Мавричев Сергей — Tue, 13 Oct 2015 14:00:03 +0000

Создаем файл
vi /etc/yum.repos.d/webmin.repo

с содержимым
[Webmin]
name=Webmin Distribution Neutral
#baseurl=http://download.webmin.com/download/yum
mirrorlist=http://download.webmin.com/download/yum/mirrorlist
enabled=1

Устанавливаем ключ

rpm --import http://www.webmin.com/jcameron-key.asc

Для обновления репозиторий

yum check-update

Установка

yum install webmin

Дополнительно доступ через firewall

firewall-cmd --add-port=10000/tcp

Управлять по адресу http://hostname:10000

Проверка компьютеров сети на доступность по порту 5900

Мавричев Сергей — Tue, 24 Mar 2015 09:23:48 +0000

#!/bin/bash

list=`nmap -p5900 192.168.1.0/24 -oG — |grep 5900/open | cut -d’ ‘ -f 2`

shablon=
for addr in $list
do
echo $addr
done

-oG <имя_файла> (grepable вывод)

http://nmap.org/book/output-formats-grepable-output.html

Изменения для Centos 7

Мавричев Сергей — Thu, 12 Mar 2015 07:27:03 +0000

LAMP Stack

Very similar to CentOS-6.x install, pretty sure that mysql is an alias for mariadb.

yum -y install mariadb mariadb-server mariadb-devel
yum -y install httpd php php-mbstring php-mysqli php-dom php-gd
systemctl enable httpd mariadb
systemctl start httpd mariadb

/usr/bin/mysqladmin -u root password 'new-password'
/usr/bin/mysqladmin -u root -h `uname -n` password 'new-password'
history -c    # clear history
echo "grant SELECT,LOCK TABLES,SHOW VIEW on *.* to backup@localhost; flush privileges;" | mysql -uroot -p mysql   # backup acct for mysqlutil backup

systemctl enable httpd.service
systemctl start httpd.service
systemctl is-active httpd.service   # check status
systemctl enable mariadb.service
systemctl start mariadb.service
/usr/lib/mysql_secure_installation   # follow prompts to tighten up the install

systemctl list-unit-files | grep -i network
systemctl stop NetworkManager
systemctl disable NetworkManager

yum install autofs nfs-utils
systemctl enable autofs
systemctl start autofs
systemctl reload autofs

firewall-cmd --zone=public --add-port=http/tcp --permanent   # open http to public zone
firewall-cmd --reload     # reload firewalld rules so that things take effect

# plug in USB stick
ls -lrt /dev/sd*  # find the recently inserted USB stick, should have the base entry and a single partition entry (ie: sdc and sdc1)
mount -t vfat /dev/sdb1 /mnt
cd /mnt
install.sh   # now have a script to do the following
#rpm -ivh kmod-forcedeth*.rpm
# I want to get some other scripts onto this volume as well to help get this currently network challenged system going AFTER we complete the install
#cp -rip /mnt/forcedeth-followup /root/

vi /etc/default/grub
# add "net.ifnames=0" to GRUB_CMDLINE_LINUX line
sudo grub2-mkconfig -o /boot/grub2/grub.cfg
reboot

Изменение имени сетевого интерфейса на ethX

Мавричев Сергей — Tue, 10 Mar 2015 14:56:49 +0000

Необходимо:

Добавить «net.ifnames=0″ and «biosdevname=0″ as kernel arguments to grub
In ‘/etc/sysconfig/network-scripts/’ Change your configured NIC config file to ‘ifcfg-ethX’
If you have multiple interfaces and want to control naming of each device rather than letting the kernel do in its own way, /etc/udev/rules.d/60-net.rules seems necessary to override /usr/lib/udev/rules.d/60-net.rules.