Czfcentos

wget http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm wget http://rpms.famillecollet.com/enterprise/remi-release-6.rpm sudo rpm -Uvh remi-release-6*.rpm epel-release-6*.rpm

yum install yum install SSLeay perl-Net-SSLeay OpenSSL perl-Crypt-SSLeay mtr htop nmap iptraf jtop irqbalance

1) Remove rhgb and quiet from the „kernel“ line(s) in /boot/grub/grub.conf 2) Remove or comment out the splashimage and hiddenmenu options. 3) Type plymouth-set-default-theme details 4) Type /usr/libexec/plymouth/plymouth-update-initrd

blacklist gma500_gfx » /etc/modprobe.d/blacklist.conf mv old /boot/initramfs dracut

kopie systému pomocí dd dd if=/dev/sda of=/dev/sdb bs=1024 count=3150000 nebo ssh root@10.33.0.XX „dd dd if=/dev/sda bs=1024 count=3150000“ | dd of=10.33.0.XX.img nebo ssh -i /home/user/.ssh/identity root@10.33.0.XX „dd if=/dev/sda bs=1024 count=3150000“ | dd of=XX_c7_201901261553.img

64bit verze je a dvou diskových oddílech a druhý je pro hotsanic, který upravil Šinďa tak, aby log, rrd a www adresáře byly v ramce

~# fdisk -l

Disk /dev/sda: 4 051 MB, 4 051 697 664 bajtů hlav: 16, sektorů na stopu: 32, cylindrů: 15 456 Jednotky = cylindry po 512 * 512 = 262 144 bajtech Velikost sektoru (logického/fyzického): 512 bajtů / 512 bajtů Velikost I/O (minimální/optimální): 512 bajtů / 512 bajtů Identifikátor disku: 0x00000000

Zařízení Zavádět Začátek Konec Bloky Id Systém /dev/sda1 * 1 7440 1904624 83 Linux /dev/sda2 7441 8241 205056 83 Linux

= Automatická instalace systému = virt-install \ –name czfcentos7 \ –ram 1024 \ –disk path=./czfcentos7.qcow2,size=3,bus=sata \ –vcpus 1 \ –os-type linux \ –os-variant rhel7 \ –network bridge=br0 \ –graphics none \ –console pty,target_type=serial \ –location /opt/disk/sima/ks/RHEL7DVD \ –disk=path=/opt/disk/sima/ks/CentOS-7-x86_64-DVD-1511.iso,device=cdrom \ –extra-args 'console=ttyS0,115200n8 serial ks=http://172.16.2.1/ksc7.cfg ksdevice=eth0 ip=172.16.2.11 netmask=255.255.255.0 dns=8.8.8.8 gateway=172.16.2.1'

Kickstart file ksc7.cfg

#version=RHEL7 # System authorization information auth –enableshadow –passalgo=sha512 # Use cdrom installation cdrom # Run the Setup Agent on first boot reboot # Keyboard layouts keyboard –vckeymap=us –xlayouts='us' # System language lang en_US.UTF-8 # Network information network –bootproto=static –ip=172.16.2.11 –netmask=255.255.255.0 –gateway=172.16.2.1 –nameserver=8.8.8.8 network –hostname=czfcentos # Root password rootpw –iscrypted $6$qB296NUg$4LZOfRw1pRGRRL5xyuqOrukTlJRQhGmfglWOqoD1i7naL1uh86Swz0uHmLOCM1RJDGUZPLtSKKA408DZ6nlX9. # System services services –enabled=„chronyd“ # System timezone timezone Europe/Prague –isUtc # System bootloader configuration bootloader –location=mbr –boot-drive=sda # Partition clearing information clearpart –none –initlabel # Disk partitioning information part / –asprimary –fstype=„xfs“ –size=2048 –ondisk=sda –label=czfc7root part /var/lib/stateless/state –asprimary –fstype=„xfs“ –size=500 –ondisk=sda –label=c7rwstate %packages –nobase @core –nodefaults -aic94xx-firmware* -alsa-* -biosdevname -btrfs-progs* -dhclient -dracut-network -iprutils -ivtv* -iwl*firmware -libertas* -kexec-tools -NetworkManager* -plymouth* -postfix mc %end