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TPC Linux Thread | Queries | Answers | Whatnot

  • mga sir, up ko lang... what if wala sa akin ung root password? posible ba kung gagamitan ko cya ng bootable cd like clonezilla. then from iso convert to vm?



    Meron kaming centos server na naghohost ng inhouse system namin. Wala kaming root access dahil ibang company ang nagdeveloped ng system. Medyo maraming issue sa system kaya gumawa nalang kami ng sarili naming system at ngayon gusto na namin bitawan ung lumang system.

    Pero bago sana namin bitawan gusto namin iback-up ung data / system para kung sakali man eh may copy kami at puwede namin ma-access kahit offline lang ung mga lumang data.

    Question. Possible ba na i-convert ung server into virtual machine / vm. Para kahit VM lang eh ma-access namin ung system and reset ung admin password kung puwede.
  • @haji
    1. yung hicolors.no-ip.org is nakaregister na po sakin.. testing lang kaya free lang po ginamit ko.
    2. im not sure po about this. isp po namin is bayantel.. pero i think meron po..
    3. router supports DMZ set-up (linksys)

    sabi ng manager ko ginagamit nya din ang gantong set-up sa dvr to view our company cctv from their house..(using no-ip)
    this has been disable together with team viewer kasi baka port nito is same sa http. pero di pa rin gumana.
    nagtry na din akong magbago ng port..
  • Update on openssl for

    Centos 6.5 users, here are the details..
    But you can update thru yum or webmin

    https://www.centos.org/forums/viewtopic.php?f=9&t=45814
  • ^thanks sir!
  • @ansonley
    better to have the root user/password. yung VMWare converter need nya yun. kung clonezilla no need in the process pero once you boot the system (Virtual) you must have the root, you need to adjust things inside the configurations etc.

    mind also kung naka hardware RAID kayo, NFS mount, NAS, SAN etc. hindi pwede isama yung mga partitions/logical drive sa convertion
  • bump lang para sa question ni PCntials_Tech. hehe
  • @PCntials_Tech

    most ISP they implement NAT (one to many) meaning lahat ng subscriber isang public IP address lang ginagamit and they do double NAT
    e.g

    Bayantel
    Public IP Router/Modem:WAN - LAN
    182.18.xxx.xxx <=> 10.17.xxx.xxx 192.168.0.0/24

    you can ask your ISP about your setup baka me input sila dun
  • Question. Possible ba na i-convert ung server into virtual machine / vm. Para kahit VM lang eh ma-access namin ung system and reset ung admin password kung puwede.


    There's a way to change the root password in Linux via booting from the GRUB menu.

    During normal start up, kung may option ka to select what OS to load, select the default "linux xxx" and hit "e" to enable editing the boot loader argument.

    Then look for the line that starts with the word "linux" or "kernel"
    External Image


    replace the "ro" with "rw init=/bin/bash"
    External Image


    Hit F10 or whatever the instruction is to boot the operating system

    You should end up with the root command line. Type in "passwd" to change your root password
    External Image


    Just tested this with Ubuntu and CentOS. Your mileage may vary
  • @hajji
    yes bayantel nga ang culprit.. yung plan pala namin hindi pang corporate.. home use only, hahaha(nagtitipid si bossing). pero ive heard they are planning to upgrade..
    babalikan ko nlng itong set-up pagnag-upgrade na sila.
    salamat sa tulong nyo.
    ldap+samba na muna siguro pagtutuunan ko..
  • ^there goes my dreams. haha wala talaga pag-asang mag port forward pag residential line sa bayantel :(
  • Anyone here na naka-kuha na ng Oracle Linux Systems Administration test?
  • @paaaatsooo
    hindi nga tlga siguro pwede ang residential line.
    itinigil ko nga nga ang pagconfigure kasi alam ko wala rin tlga mangyayari.hehe
    im not really a sys ad dito sa company namin. pasideline-sideline lang. actually inventory control and production planning ako. maliit kasi ang company kaya ang daming slash. and plan ko din tlga magshift into sys ad balang araw.
    LDAP & SAMBA muna..
  • @PCntials_Tech
    ako din di talaga sysad sa work, pero sa bahay, sysad-kuno ako. practice practice lang. hehe
  • @MiG25Foxbat
    I haven't encountered any Oracle Linux, maybe soon siguro, RHCE/RHCSA meron at LPIC1/2

    this is recommended sa mga SysAdmin who works with Oracle product specially Oracle Databases

    -- edited by hajji on Apr 09 2014, 04:54 PM
  • Thanks hajji. Nag-hanap-hanap ako sa web at ito nakita ko.
    <click here for link>

    Ito yung details ng exam: <click here for link>
    P7,062 yung exam!!! Although I have been using various Linux distros for years parang di ako confident kumuha nito. Sayang naman kung babagsak lang. May alam po ba kayong reviewer?
  • @MiG25Foxbat
    mura yung exam compare sa Red Hat but still I prefer Red Hat exam, reviewer wala po sa Oracle Linux hirap maghanap din.
  • OT kung bawal po pls delete na lang

    this is for PCM Manila

    Job Opening: Systems Engineer (NIGHT SHIFT)

    Responsible for supporting, monitoring, managing of applications, windows and linux.

    Responsibilities:
    Candidate must possess at least a Bachelor's or College Degree , Computer Science,Information Technology, Computer Engineering, Telecommunication or equivalent.
    At least 4 years of working experience in the related field is required for this position.
    Experience in support, implementation of Windows Servers 2003 and 2008.
    Experience in Linux such as CentOs and Redhat is required .
    Must be willing to work night shift
    Must be willing to work in Mandaluyong.

    email na lang po resume sa jagzph at gmail dot com

    maganda po kung ma detail yung accomplisments/projects
  • mas preffered ba ang rhel/centos over debian/ubuntu sa business world?
    possible din ba na magamit as experienced ang centos if RHCSA certified ka?

    -- edited by PCntials_Tech on Apr 23 2014, 02:48 PM
  • mas preferred ang rhel/suse/oracle linux sa enterprise dahil sa mga ito.

    1. Support, sa isang company ay laging requirements na may vendor na kausap or mag su support maliban sa inhouse
    2. Certification requirements lalo na kung yung company ay nag aaply for any industry standard certifications
    3. Compliance like trading and security
    4. Compatibility sa mga existing invested Softwares/Systems like Oracle Database certified lang sya sa RHEL/Oracle linux/Suse and others
    5. Industry standard sya dahil may mga IT Certified professionals
    and hindi lang ito applied sa Linux pati sa Windows or Unix. pero kung ang may ari ng company ay Geek or walang budget, well no need to get expensive OS support

    ubuntu is becoming another linux player sa commercial market

    sa 2nd question mo
    yes magagamit mo naman, same lang din naman ang configuration ng CentOS at RHEL unless gagamit ka ng Red Hat Satellite, and or other Red Hat related services yun hindi. but for RHCSA pasok yun. But I prefer RHEL kung mag study ako ng RHCSA/RHCE

    -- edited by hajji on Apr 23 2014, 03:29 PM

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