lvs -dr

大家好，又见面了，我是你们的朋友全栈君。[kiosk@foundation15 Desktop] rht-vmctl start all Starting node1. Starting node2. Starting node3. Starting node4. Starting lvs1. Starting lvs2. [kiosk@foundation15 Desktop] rht-vmctl start all Error: node1 not started (is already running) Error: node2 not started (is already running) Error: node3 not started (is already running) Error: node4 not started (is already running) Error: lvs1 not started (is already running) Error: lvs2 not started (is already running) [kiosk@foundation15 Desktop]

100%[======================================>] 2,550 –.-K/s in 0s

2016-09-30 09:51:04 (246 MB/s) – “clusterinit.sh” saved [2550/2550]

[root@rhel6 ~]# bash clusterinit.sh lvs1-f15.example.com Stopping NetworkManager daemon: [ OK ] iptables: Saving firewall rules to /etc/sysconfig/iptables:[ OK ] [root@rhel6 ~]# reboot

Broadcast message from root@lvs1-f15.example.com (/dev/pts/0) at 9:51 …

The system is going down for reboot NOW! [root@rhel6 ~]# Connection to 172.25.15.14 closed by remote host. Connection to 172.25.15.14 closed. [kiosk@foundation15 Desktop]$ ssh root@172.25.15.14 \root@172.25.15.14’s password: Last login: Fri Sep 30 09:50:08 2016 from 172.25.15.250 [root@lvs1-f15 ~]# vim /etc/sysctl.conf [root@lvs1-f15 ~]# sysctl -p net.ipv4.ip_forward = 1 net.ipv4.conf.default.rp_filter = 1 net.ipv4.conf.default.accept_source_route = 0 kernel.sysrq = 0 kernel.core_uses_pid = 1 net.ipv4.tcp_syncookies = 1 error: “net.bridge.bridge-nf-call-ip6tables” is an unknown key error: “net.bridge.bridge-nf-call-iptables” is an unknown key error: “net.bridge.bridge-nf-call-arptables” is an unknown key kernel.msgmnb = 65536 kernel.msgmax = 65536 kernel.shmmax = 68719476736 kernel.shmall = 4294967296 [root@lvs1-f15 ~]# yum groupinstall “load Balancer” Loaded plugins: product-id, refresh-packagekit, security, subscription-manager This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register. HighAvailability | 3.9 kB 00:00 HighAvailability/primary_db | 43 kB 00:00 LoadBalancer | 3.9 kB 00:00 LoadBalancer/primary_db | 7.0 kB 00:00 ResilientStorage | 3.9 kB 00:00 ResilientStorage/primary_db | 47 kB 00:00 ScalableFileSystem | 3.9 kB 00:00 ScalableFileSystem/primary_db | 6.8 kB 00:00 server | 3.9 kB 00:00 server/primary_db | 3.1 MB 00:00 Setting up Group Process HighAvailability/group_gz | 4.0 kB 00:00 LoadBalancer/group_gz | 2.1 kB 00:00 ResilientStorage/group_gz | 5.6 kB 00:00 ScalableFileSystem/group_gz | 2.7 kB 00:00 server/group_gz | 204 kB 00:00 Resolving Dependencies –> Running transaction check —> Package ipvsadm.x86_64 0:1.26-2.el6 will be installed —> Package piranha.x86_64 0:0.8.6-4.el6 will be installed –> Processing Dependency: php for package: piranha-0.8.6-4.el6.x86_64 –> Running transaction check —> Package php.x86_64 0:5.3.3-26.el6 will be installed –> Processing Dependency: php-common(x86-64) = 5.3.3-26.el6 for package: php-5.3.3-26.el6.x86_64 –> Processing Dependency: php-cli(x86-64) = 5.3.3-26.el6 for package: php-5.3.3-26.el6.x86_64 –> Running transaction check —> Package php-cli.x86_64 0:5.3.3-26.el6 will be installed —> Package php-common.x86_64 0:5.3.3-26.el6 will be installed –> Finished Dependency Resolution

Dependencies Resolved

================================================================================ Package Arch Version Repository Size ================================================================================ Installing: ipvsadm x86_64 1.26-2.el6 LoadBalancer 41 k piranha x86_64 0.8.6-4.el6 LoadBalancer 624 k Installing for dependencies: php x86_64 5.3.3-26.el6 server 1.1 M php-cli x86_64 5.3.3-26.el6 server 2.2 M php-common x86_64 5.3.3-26.el6 server 525 k

Transaction Summary ================================================================================ Install 5 Package(s)

Total download size: 4.5 M Installed size: 18 M Is this ok [y/N]: y Downloading Packages: (1/5): ipvsadm-1.26-2.el6.x86_64.rpm | 41 kB 00:00 (2/5): php-5.3.3-26.el6.x86_64.rpm | 1.1 MB 00:00 (3/5): php-cli-5.3.3-26.el6.x86_64.rpm | 2.2 MB 00:00 (4/5): php-common-5.3.3-26.el6.x86_64.rpm | 525 kB 00:00 (5/5): piranha-0.8.6-4.el6.x86_64.rpm | 624 kB 00:00 ——————————————————————————– Total 4.6 MB/s | 4.5 MB 00:00 Running rpm_check_debug Running Transaction Test Transaction Test Succeeded Running Transaction Installing : php-common-5.3.3-26.el6.x86_64 1/5 Installing : php-cli-5.3.3-26.el6.x86_64 2/5 Installing : php-5.3.3-26.el6.x86_64 3/5 Installing : ipvsadm-1.26-2.el6.x86_64 4/5 Installing : piranha-0.8.6-4.el6.x86_64 5/5 HighAvailability/productid | 1.7 kB 00:00 LoadBalancer/productid | 1.7 kB 00:00 ResilientStorage/productid | 1.7 kB 00:00 ScalableFileSystem/productid | 1.8 kB 00:00 server/productid | 1.7 kB 00:00 Verifying : piranha-0.8.6-4.el6.x86_64 1/5 Verifying : php-5.3.3-26.el6.x86_64 2/5 Verifying : php-cli-5.3.3-26.el6.x86_64 3/5 Verifying : php-common-5.3.3-26.el6.x86_64 4/5 Verifying : ipvsadm-1.26-2.el6.x86_64 5/5

Installed: ipvsadm.x86_64 0:1.26-2.el6 piranha.x86_64 0:0.8.6-4.el6

Dependency Installed: php.x86_64 0:5.3.3-26.el6 php-cli.x86_64 0:5.3.3-26.el6 php-common.x86_64 0:5.3.3-26.el6

Complete! [root@lvs1-f15 ~]# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 172.25.15.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 192.168.122.0 0.0.0.0 255.255.255.0 U 0 0 0 eth2 169.254.0.0 0.0.0.0 255.255.0.0 U 1002 0 0 eth0 169.254.0.0 0.0.0.0 255.255.0.0 U 1004 0 0 eth2 0.0.0.0 172.25.15.254 0.0.0.0 UG 0 0 0 eth0 [root@lvs1-f15 ~]# cat /proc/sys/net/ipv4/ip_forward 1 [root@lvs1-f15 ~]# service piranha-gui start Starting piranha-gui: [ OK ] [root@lvs1-f15 ~]# chkconfig piranha-gui on [root@lvs1-f15 ~]# piranha-passwd New Password: Verify: Adding password for user piranha [root@lvs1-f15 ~]# yum -y install links Loaded plugins: product-id, refresh-packagekit, security, subscription-manager This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register. Setting up Install Process Resolving Dependencies –> Running transaction check —> Package elinks.x86_64 0:0.12-0.21.pre5.el6_3 will be installed –> Processing Dependency: libnss_compat_ossl.so.0()(64bit) for package: elinks-0.12-0.21.pre5.el6_3.x86_64 –> Running transaction check —> Package nss_compat_ossl.x86_64 0:0.9.6-1.el6 will be installed –> Finished Dependency Resolution

Dependencies Resolved

================================================================================ Package Arch Version Repository Size ================================================================================ Installing: elinks x86_64 0.12-0.21.pre5.el6_3 server 838 k Installing for dependencies: nss_compat_ossl x86_64 0.9.6-1.el6 server 34 k

Transaction Summary ================================================================================ Install 2 Package(s)

Total download size: 871 k Installed size: 2.6 M Downloading Packages: (1/2): elinks-0.12-0.21.pre5.el6_3.x86_64.rpm | 838 kB 00:00 (2/2): nss_compat_ossl-0.9.6-1.el6.x86_64.rpm | 34 kB 00:00 ——————————————————————————– Total 2.8 MB/s | 871 kB 00:00 Running rpm_check_debug Running Transaction Test Transaction Test Succeeded Running Transaction Installing : nss_compat_ossl-0.9.6-1.el6.x86_64 1/2 Installing : elinks-0.12-0.21.pre5.el6_3.x86_64 2/2 Verifying : nss_compat_ossl-0.9.6-1.el6.x86_64 1/2 Verifying : elinks-0.12-0.21.pre5.el6_3.x86_64 2/2

Installed: elinks.x86_64 0:0.12-0.21.pre5.el6_3

Dependency Installed: nss_compat_ossl.x86_64 0:0.9.6-1.el6

Complete! [root@lvs1-f15 ~]# vim /bin/testlink.sh [root@lvs1-f15 ~]# bash /bin/testlink.sh 192.168.122.41 ok [root@lvs1-f15 ~]# chmod +x /bin/testlink.sh [root@lvs1-f15 ~]# scp /bin/testlink.sh lvs2-f15:/bin The authenticity of host ‘lvs2-f15 (172.25.15.15)’ can’t be established. RSA key fingerprint is cf:7c:26:aa:4f:41:7b:21:5e:09:ce:8a:15:2c:97:32. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added ‘lvs2-f15,172.25.15.15’ (RSA) to the list of known hosts. root@lvs2-f15’s password: testlink.sh 100% 98 0.1KB/s 00:00 [root@lvs1-f15 ~]# ll /bin/testlink.sh -rwxr-xr-x 1 root root 98 Sep 30 10:55 /bin/testlink.sh [root@lvs1-f15 ~]# scp /etc/sysconfig/ha/lvs.cf lvs2-f15:/etc/sysconfig/ha/lvs.cf root@lvs2-f15’s password: lvs.cf 100% 977 1.0KB/s 00:00 [root@lvs1-f15 ~]# service pulse start Starting pulse: [ OK ] [root@lvs1-f15 ~]# ipvsadm -L -n IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn TCP 172.25.15.100:80 wlc -> 192.168.122.40:80 Masq 1 0 0 -> 192.168.122.41:80 Masq 1 0 0 [root@lvs1-f15 ~]# ipvsadm -L -n IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn TCP 172.25.15.100:80 wlc -> 192.168.122.40:80 Masq 1 0 0 -> 192.168.122.41:80 Masq 1 0 0 [root@lvs1-f15 ~]# ipvsadm -L -n IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn TCP 172.25.15.100:80 wlc -> 192.168.122.40:80 Masq 1 0 0 -> 192.168.122.41:80 Masq 1 0 0 [root@lvs1-f15 ~]# ipvsadm -L -n IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn TCP 172.25.15.100:80 wlc -> 192.168.122.40:80 Masq 1 0 0 -> 192.168.122.41:80 Masq 1 0 0 [root@lvs1-f15 ~]# poweroff [root@lvs1-f15 ~]# Broadcast message from root@lvs1-f15.example.com (/dev/pts/0) at 10:59 …

The system is going down for power off NOW! Connection to 172.25.15.14 closed by remote host. Connection to 172.25.15.14 closed. [kiosk@foundation15 Desktop] rht-vmctl start all Error: node1 not started (is already running) Error: node2 not started (is already running) Error: node3 not started (is already running) Error: node4 not started (is already running) Starting lvs1. Error: lvs2 not started (is already running) [kiosk@foundation15 Desktop] ssh root@172.25.15.14 ^[[A^[[Assh: connect to host 172.25.15.14 port 22: Connection refused [kiosk@foundation15 Desktop] rht-vmctl start all^C [kiosk@foundation15 Desktop] ssh root@172.25.15.14 root@172.25.15.14’s password: Last login: Fri Sep 30 09:52:38 2016 from 172.25.15.250 [root@lvs1-f15 ~]# service pulse start Starting pulse: [ OK ] [root@lvs1-f15 ~]# ipvsadm -L -n IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn [root@lvs1-f15 ~]# service pulse stop Shutting down pulse: [ OK ] [root@lvs1-f15 ~]# service pulse start Starting pulse: [ OK ] [root@lvs1-f15 ~]# ll /etc/sysconfig/ha/lvs.cf -rw-rw-r– 1 root piranha 977 Sep 30 10:57 /etc/sysconfig/ha/lvs.cf [root@lvs1-f15 ~]# service pulse start Starting pulse: [root@lvs1-f15 ~]# ipvsadm -L -n IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn TCP 172.25.15.100:80 wlc -> 192.168.122.40:80 Masq 1 0 0 -> 192.168.122.41:80 Masq 1 0 0 [root@lvs1-f15 ~]# service pulse stop Shutting down pulse: [ OK ] [root@lvs1-f15 ~]# service pulse start Starting pulse: [ OK ] [root@lvs1-f15 ~]# ipvsadm -L -n IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn TCP 172.25.15.100:80 wlc -> 192.168.122.40:80 Masq 1 0 0 -> 192.168.122.41:80 Masq 1 0 0 [root@lvs1-f15 ~]# reboot [root@lvs1-f15 ~]# Broadcast message from root@lvs1-f15.example.com (/dev/pts/0) at 11:06 …

The system is going down for reboot NOW! Connection to 172.25.15.14 closed by remote host. Connection to 172.25.15.14 closed. [kiosk@foundation15 Desktop]$ ssh root@172.25.15.14 root@172.25.15.14’s password: Last login: Fri Sep 30 11:00:20 2016 from 172.25.15.250 [root@lvs1-f15 ~]# service pulse stop Shutting down pulse: [FAILED] [root@lvs1-f15 ~]# rm /etc/sysconfig/ha/lvs.cf rm: remove regular file `/etc/sysconfig/ha/lvs.cf’? y [root@lvs1-f15 ~]# service piranha-gui restart [root@lvs1-f15 ~]# touch /etc/sysconfig/ha/lvs.cf [root@lvs1-f15 ~]# service piranha-gui restart Shutting down piranha-gui: [ OK ] Starting piranha-gui: [ OK ] [root@lvs1-f15 ~]# ll /etc/sysconfig/ha/lvs.cf -rw-r–r– 1 root root 977 Sep 30 11:11 /etc/sysconfig/ha/lvs.cf [root@lvs1-f15 ~]# chuser -g piranha /etc/sysconfig/ha/lvs.cf -bash: chuser: command not found [root@lvs1-f15 ~]# chown root:piranha /etc/sysconfig/ha/lvs.cf [root@lvs1-f15 ~]# service piranha-gui restart Shutting down piranha-gui: [ OK ] Starting piranha-gui: [ OK ] [root@lvs1-f15 ~]# chmod 664 /etc/sysconfig/ha/lvs.cf [root@lvs1-f15 ~]# service piranha-gui restart Shutting down piranha-gui: [ OK ] Starting piranha-gui: [ OK ] [root@lvs1-f15 ~]# scp /etc/sysconfig/ha/lvs.cf lvs2-f15:/etc/sysconfig/ha/lvs.cf root@lvs2-f15’s password: lvs.cf 100% 977 1.0KB/s 00:00 [root@lvs1-f15 ~]# service pulse start Starting pulse: [ OK ] [root@lvs1-f15 ~]# ipvsadm -L -m Illegal ‘forwarding-method’ option with the ‘list’ command [root@lvs1-f15 ~]# ipvsadm -L -n IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn TCP 172.25.15.100:80 wlc -> 192.168.122.40:80 Masq 1 0 0 -> 192.168.122.41:80 Masq 1 0 0 [root@lvs1-f15 ~]# poweroff [root@lvs1-f15 ~]# Broadcast message from root@lvs1-f15.example.com (/dev/pts/0) at 11:18 …

The system is going down for power off NOW! Connection to 172.25.15.14 closed by remote host. Connection to 172.25.15.14 closed. [kiosk@foundation15 Desktop] ssh root@172.25.15.14 ^[[A^[[A^C [kiosk@foundation15 Desktop] rht-vmctl start all Error: node1 not started (is already running) Error: node2 not started (is already running) Error: node3 not started (is already running) Error: node4 not started (is already running) Starting lvs1. Error: lvs2 not started (is already running) [kiosk@foundation15 Desktop] ssh root@172.25.15.14 ssh: connect to host 172.25.15.14 port 22: Connection refused [kiosk@foundation15 Desktop] ssh root@172.25.15.14 root@172.25.15.14’s password: Last login: Fri Sep 30 11:07:07 2016 from 172.25.15.250 [root@lvs1-f15 ~]# ipvsadm -L -n IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn [root@lvs1-f15 ~]# service pulse start Starting pulse: [ OK ] [root@lvs1-f15 ~]# ipvsadm -L -n IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn TCP 172.25.15.100:80 wlc -> 192.168.122.40:80 Masq 1 0 0 -> 192.168.122.41:80 Masq 1 0 0 [root@lvs1-f15 ~]# service pulse stop Shutting down pulse: [ OK ] [root@lvs1-f15 ~]# service pulse restart Shutting down pulse: [FAILED] Starting pulse: [ OK ] [root@lvs1-f15 ~]# ipvsadm -L -n IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn TCP 172.25.15.100:80 wlc -> 192.168.122.40:80 Masq 1 0 0 -> 192.168.122.41:80 Masq 1 0 0 [root@lvs1-f15 ~]# poweroff [root@lvs1-f15 ~]# Broadcast message from root@lvs1-f15.example.com (/dev/pts/0) at 11:29 …

The system is going down for power off NOW! Connection to 172.25.15.14 closed by remote host. Connection to 172.25.15.14 closed. [kiosk@foundation15 Desktop] ssh root@172.25.15.14 ^[[A^C [kiosk@foundation15 Desktop] rht-vmctl start all Error: node1 not started (is already running) Error: node2 not started (is already running) Error: node3 not started (is already running) Error: node4 not started (is already running) Starting lvs1. Error: lvs2 not started (is already running) [kiosk@foundation15 Desktop]

lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:4 errors:0 dropped:0 overruns:0 frame:0 TX packets:4 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:240 (240.0 b) TX bytes:240 (240.0 b)

[root@lvs1-f15 ~]# ifconfig eth0:0 192.168.115.44 netmask 255.255.255.0 [root@lvs1-f15 ~]# service pirnaha restart pirnaha: unrecognized service [root@lvs1-f15 ~]# service pirnaha-gui restart pirnaha-gui: unrecognized service [root@lvs1-f15 ~]# service piranha-gui restart Shutting down piranha-gui: [ OK ] Starting piranha-gui: [ OK ] [root@lvs1-f15 ~]# service pulse restart Shutting down pulse: [FAILED] Starting pulse: [ OK ] [root@lvs1-f15 ~]# ipvsadm -L -n IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn [root@lvs1-f15 ~]# ping 172.25.0.254 PING 172.25.0.254 (172.25.0.254) 56(84) bytes of data. 64 bytes from 172.25.0.254: icmp_seq=1 ttl=64 time=0.697 ms 64 bytes from 172.25.0.254: icmp_seq=2 ttl=64 time=0.670 ms 64 bytes from 172.25.0.254: icmp_seq=3 ttl=64 time=0.716 ms ^C — 172.25.0.254 ping statistics — 3 packets transmitted, 3 received, 0% packet loss, time 2303ms rtt min/avg/max/mdev = 0.670/0.694/0.716/0.028 ms [root@lvs1-f15 ~]# arp -an |grep 254 ? (172.25.15.254) at 52:54:00:00:00:fe [ether] on eth0 [root@lvs1-f15 ~]# ipvsadm -L -n IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn [root@lvs1-f15 ~]# ipvsadm -L -n IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn [root@lvs1-f15 ~]# service pulse restart Shutting down pulse: [ OK ] Starting pulse: [ OK ] [root@lvs1-f15 ~]# ipvsadm -L -n IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn [root@lvs1-f15 ~]# ipvsadm -L -n IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn [root@lvs1-f15 ~]# ipvsadm -L -n IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn [root@lvs1-f15 ~]# ipvsadm -L -n IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -> RemoteAddress:Port Forward Weight ActiveConn InActConn [root@lvs1-f15 ~]# ping 192.168.115.40 PING 192.168.115.40 (192.168.115.40) 56(84) bytes of data. 64 bytes from 192.168.115.40: icmp_seq=1 ttl=64 time=0.489 ms 64 bytes from 192.168.115.40: icmp_seq=2 ttl=64 time=0.606 ms ^C — 192.168.115.40 ping statistics — 2 packets transmitted, 2 received, 0% packet loss, time 1983ms rtt min/avg/max/mdev = 0.489/0.547/0.606/0.063 ms [root@lvs1-f15 ~]# ping 192.168.115.41 PING 192.168.115.41 (192.168.115.41) 56(84) bytes of data. 64 bytes from 192.168.115.41: icmp_seq=1 ttl=64 time=0.628 ms 64 bytes from 192.168.115.41: icmp_seq=2 ttl=64 time=0.483 ms 64 bytes from 192.168.115.41: icmp_seq=3 ttl=64 time=0.491 ms ^C — 192.168.115.41 ping statistics —

[kiosk@foundation15 Desktop]$ ssh root@172.25.15.14 root@172.25.15.14’s password: Last login: Fri Sep 30 12:25:27 2016 from 172.25.15.250 [root@lvs1-f15 ~]# ssh 192.168.115.40 The authenticity of host ‘192.168.115.40 (192.168.115.40)’ can’t be established. RSA key fingerprint is cf:7c:26:aa:4f:41:7b:21:5e:09:ce:8a:15:2c:97:32. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added ‘192.168.115.40’ (RSA) to the list of known hosts. root@192.168.115.40’s password: Last login: Fri Sep 30 12:12:15 2016 from 172.25.15.250 [root@node1-f15 ~]# cd /tmp [root@node1-f15 tmp]# vim ip.sh [root@node1-f15 tmp]# vim ip.sh [root@node1-f15 tmp]# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.115.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 169.254.0.0 0.0.0.0 255.255.0.0 U 1002 0 0 eth0 [root@node1-f15 tmp]# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.115.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 169.254.0.0 0.0.0.0 255.255.0.0 U 1002 0 0 eth0 [root@node1-f15 tmp]# route add default gw 172.25.0.254 SIOCADDRT: No such process [root@node1-f15 tmp]# bash ip sh /sbin/ip: /sbin/ip: cannot execute binary file [root@node1-f15 tmp]# bash ip.sh [root@node1-f15 tmp]# route add default gw 172.25.0.254 SIOCADDRT: No such process [root@node1-f15 tmp]# ifconfig eth0 Link encap:Ethernet HWaddr 52:54:00:00:0F:0A inet addr:192.168.115.40 Bcast:192.168.115.255 Mask:255.255.255.0 inet6 addr: fe80::5054:ff:fe00:f0a/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:27673 errors:0 dropped:0 overruns:0 frame:0 TX packets:2129 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:5789156 (5.5 MiB) TX bytes:212066 (207.0 KiB)

eth0:1 Link encap:Ethernet HWaddr 52:54:00:00:0F:0A inet addr:172.25.15.100 Bcast:172.25.15.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1

lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:16 errors:0 dropped:0 overruns:0 frame:0 TX packets:16 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:960 (960.0 b) TX bytes:960 (960.0 b)

[root@node1-f15 tmp]# bash ip.sh SIOCADDRT: File exists [root@node1-f15 tmp]# route add default gw 172.25.0.254 SIOCADDRT: No such process [root@node1-f15 tmp]# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 172.25.15.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 192.168.115.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 169.254.0.0 0.0.0.0 255.255.0.0 U 1002 0 0 eth0 0.0.0.0 172.25.15.254 0.0.0.0 UG 0 0 0 eth0 [root@node1-f15 tmp]# arp -an ? (192.168.115.44) at 52:54:00:00:0f:0e [ether] on eth0 ? (172.25.15.254) at 52:54:00:00:00:fe [ether] PERM on eth0 [root@node1-f15 tmp]# cat ip.sh #!/bin/bash

VIP=172.25.15.100 VIPCAST=172.25.15.255 RIP=192.168.115.40 DGW=172.25.15.254 DGWMAC=”52:54:00:00:00:fe”

arptables -F arptables -A IN -d VIP -j DROP arptables -A OUT -s VIP -j mangle –mangle-ip-s

/sbin/ifconfig eth0:1 VIP broadcast VIPCAST netmask 255.255.255.0 up arp -s DGW DGWMAC

/sbin/route add default gw $DGW [root@node1-f15 tmp]# service status httpd status: unrecognized service [root@node1-f15 tmp]# service httpd status httpd is stopped [root@node1-f15 tmp]# service httpd start Starting httpd: [ OK ] [root@node1-f15 tmp]# echo node1-f15 > /var/www/html/index.html [root@node1-f15 tmp]# service httpd restart Stopping httpd: [ OK ] Starting httpd: [ OK ] [root@node1-f15 tmp]# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 172.25.15.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 192.168.115.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 169.254.0.0 0.0.0.0 255.255.0.0 U 1002 0 0 eth0 0.0.0.0 172.25.15.254 0.0.0.0 UG 0 0 0 eth0 [root@node1-f15 tmp]# route add default gw 172.25.15.254 SIOCADDRT: File exists [root@node1-f15 tmp]#

[kiosk@foundation15 Desktop]$ ssh root@172.25.15.14 root@172.25.15.14’s password: Last login: Fri Sep 30 12:34:26 2016 from 172.25.15.250 [root@lvs1-f15 ~]# ssh 192.168.115.41 ^[[Assh: connect to host 192.168.115.41 port 22: No route to host [root@lvs1-f15 ~]# ssh 192.168.115.41^C [root@lvs1-f15 ~]# ssh root@192.168.115.41 ssh: connect to host 192.168.115.41 port 22: No route to host [root@lvs1-f15 ~]# ssh root@192.168.115.41 ssh: connect to host 192.168.115.41 port 22: No route to host [root@lvs1-f15 ~]# ssh 192.168.115.41 ssh: connect to host 192.168.115.41 port 22: No route to host [root@lvs1-f15 ~]# ping 192.168.115.41 PING 192.168.115.41 (192.168.115.41) 56(84) bytes of data. From 192.168.115.44 icmp_seq=2 Destination Host Unreachable From 192.168.115.44 icmp_seq=3 Destination Host Unreachable From 192.168.115.44 icmp_seq=4 Destination Host Unreachable ^C — 192.168.115.41 ping statistics — 5 packets transmitted, 0 received, +3 errors, 100% packet loss, time 4829ms pipe 3 [root@lvs1-f15 ~]# ping 192.168.115.41 PING 192.168.115.41 (192.168.115.41) 56(84) bytes of data. 64 bytes from 192.168.115.41: icmp_seq=1 ttl=64 time=0.658 ms 64 bytes from 192.168.115.41: icmp_seq=2 ttl=64 time=0.510 ms 64 bytes from 192.168.115.41: icmp_seq=3 ttl=64 time=0.544 ms ^C — 192.168.115.41 ping statistics — 3 packets transmitted, 3 received, 0% packet loss, time 2366ms rtt min/avg/max/mdev = 0.510/0.570/0.658/0.069 ms [root@lvs1-f15 ~]# ssh 192.168.115.41 The authenticity of host ‘192.168.115.41 (192.168.115.41)’ can’t be established. RSA key fingerprint is cf:7c:26:aa:4f:41:7b:21:5e:09:ce:8a:15:2c:97:32. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added ‘192.168.115.41’ (RSA) to the list of known hosts. root@192.168.115.41’s password: Last login: Fri Sep 30 12:21:56 2016 from 172.25.15.250 [root@node2-f15 ~]# cd /tmp [root@node2-f15 tmp]# vim ip.sh [root@node2-f15 tmp]# bash ip.sh [root@node2-f15 tmp]# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 172.25.15.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 192.168.115.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 169.254.0.0 0.0.0.0 255.255.0.0 U 1002 0 0 eth0 0.0.0.0 172.25.15.254 0.0.0.0 UG 0 0 0 eth0 [root@node2-f15 tmp]# service httpd start Starting httpd: [ OK ] [root@node2-f15 tmp]# echo node2-f15 > /var/www/html/index.html [root@node2-f15 tmp]# service httpd restart Stopping httpd: [ OK ] Starting httpd: [ OK ] [root@node2-f15 tmp]# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 172.25.15.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 192.168.115.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 169.254.0.0 0.0.0.0 255.255.0.0 U 1002 0 0 eth0 0.0.0.0 172.25.15.254 0.0.0.0 UG 0 0 0 eth0 [root@node2-f15 tmp]# route add default gw 172.25.15.254 SIOCADDRT: File exists [root@node2-f15 tmp]#

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