Unix Addiction

1) Verify Multipath Devices in order to know the last one  [root@unixaddiction ~]# multipath -ll mpathd (360060e80139cfc0050209cfc00000994) dm-3 HITACHI,OPEN-V size=650G features='1 queue_if_no_path' hwhandler='0' wp=rw `-+- policy='round-robin 0' prio=1 status=active   |- 11:0:0:2 sdd 8:48  active ready running   `- 12:0:0:2 sdi 8:128 active ready running mpathc (360060e80139cfc0050209cfc00000993) dm-4 HITACHI,OPEN-V size=500G features='1 queue_if_no_path' hwhandler='0' wp=rw `-+- policy='round-robin 0' prio=1 status=active   |- 11:0:0:1 sdc 8:32  active ready running   `- 12:0:0:1 sdh 8:112 active ready running mpathb (360060e80139cfc0050209cfc00000992) dm-6 HITACHI,OPEN-V size=400G features='1 queue_if_no_path' hwhandler='0' wp=rw `-+- policy='round-robin 0' prio=1 status=active   |- 11:0:0:0 sdb 8:16  active ready running   `- 12:0:0:0 sdg 8:96  active ready running mpathi (360060e80139cfc005

As root execute the following Create the pool #zpool create ztemp c0d0 Create ZFS  #zfs create ztemp/temp Mount ZFS  #zfs set mountpoint=/temp ztemp/temp Share ZFS with the option "sharenfs=on" #zfs set sharenfs=on ztemp/temp Share and Select the PATH and SERVERS that you need that mount the ZFS from the NFS Server in our case the servers are oracle1,oracle2 and oracle3 with Read and Write Options #zfs set share=name=temp,path=/temporario,prot=nfs,anon=0,rw=oracle1:oracle2:oracle3 ztemp/temp

HOW TO CHANGE A LINE IN A FILE IN AND RESTART A SERVICE --- - name: modify el /etc/ssh/sshd_config to change  root login   hosts: LINUX_SERVERS   tasks:     - name:  /etc/ssh/sshd_config, line PermitRootLogin       lineinfile:         path: /etc/ssh/sshd_config         regexp: 'PermitRootLogin'         line: 'PermitRootLogin no'     - name: restart sshd daemon       service: name=sshd state=restarted     - name: status sshd daemon       service: name=sshd state=restarted

HOW TO UPDATE A PACKAGE LIST WITH ANSIBLE  --- - name: Update package list   hosts: test1 test2 test3 test4 test5   tasks:     - name: Update dhcp package       yum:         name: dhcp         state: latest         update_only: yes     - name: Update dhcp dhcp-common       yum:         name: dhcp-common         state: latest         update_only: yes     - name: Update dhcp dhcp-libs       yum:         name: dhcp-libs         state: latest         update_only: yes     - name: Update dhcp dhclient       yum:         name: dhclient         state: latest         update_only: yes

HOW TO SET PASSWORD WITH ANSIBLE  --- - name: Set Password   hosts: test1 test2 test2   become: yes   ignore_errors: yes   tasks:       - name: Change root password         user:           name: root           password: $dff2878927319283198439843hjsddhdkjch823787431213413dwfwfvwgwwq.           update_password: always (In password: Encrypted Password  )

ANSIBLE  We are introducing in our blog ANSIBLE in order to help to the community. Create a Inventory File with the server list  called "TEST" $cat inventory [TEST] server1 server2 server3 server4 server5 And now we can use our ansible scripts ANSIBLE COPY A FILE TO SERVERS LIST IN THE INVENTORY --- - name: upload a file to server list   hosts: TEST   tasks:     - name: copy a file       copy -a "src=/home/user1/ansible/p25739822_81617613_SOLARIS64.zip dest=/tmp"   ANSIBLE COPY A FILE AND UNCOMPRESS A FILE    --- - name: upload a file to a server list a uncompress the file   hosts: server1 server3 server4   <----- You can use the server list with spaces   tasks:     - name: cambia directorio y descomprime       unarchive: src=/tmp/p25739822_81617613_SOLARIS64.zip dest=/tmp/  copy=no ANSIBLE CHANGE A LINE IN FILE (IN THIS CASE /etc/hosts file)    --- - name: modify line   hosts: TEST   tasks:     - name: Replace the

After migrating Oracle 10 installed in Solaris 8, we have the following issue when we execute the command dbca in Solaris 11 testing{oracle10}# cd /data/oracle10/cfgtoollogs testing{oracle10}# ./dbca Exception in thread "main" test{oracle10}42# Checking the trace log file we found that we have a missing libray "libdps.so.5 testing{oracle10}48# more trace.log java.lang.UnsatisfiedLinkError: /d2/ora10/jdk/jre/lib/sparc/motif21/libmawt.so: ld.so.1: java: fatal: libdps.so.5: open failed: No such file or directory         at java.lang.ClassLoader$NativeLibrary.load(Native Method)         at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1586)         at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1482)         at java.lang.Runtime.load0(Runtime.java:737)         at java.lang.System.load(System.java:811)         at java.lang.ClassLoader$NativeLibrary.load(Native Method)         at java.lang.ClassLoader.loadLibrary0(ClassLoader.ja