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  • sorry guys i exhausted google infos.

    how to open/allow ports in Centos 7(minimal installation/CLI)?

    i am confused between iptables and the new firewallD?

    nagawa ko na iptables save

    pag nag nmap ako naka close parin
  • ^
    dagdagan naten

    service iptables start|stop|restart
  • mga sir patulong po, balak ko kasi mag take ng exam ng RHCSA, pede nyo ba ako bigyan ng training materials, ebook, dumps. pa send naman po sa email ko jordanzedryx.param@yahoo.com

    Thanks
  • @mkeIT

    CentOS7/RHEL7/Oracle EL7 uses firewall-cmd


    e.g.
    #to get your current zones
    firewall-cmd --get-default-zone

    add rule
    firewall-cmd --add-service=http
    firewall-cmd --zone=public --add-port=9300/tcp

    add to be become persistent rule
    --permanent

    e.g.
    firewall-cmd --permanent --add-service=http
    firewall-cmd --permanent --zone=public --add-port=9300/tcp
  • @hajji

    Salamat sir.

    Yes gumamit ako ng mga cmds ni firewalld na add ko lahat ng need ng ports ni Zimbra 8.6. successfull installation ko and running all services,

    Kaso di ako maka connect sa web admin https//<i.p.>:7071

    open and listening naman as per netstat at nmap

    Dinisable ko na muna si firewalld. but i know it is a good idea/best practice kahit testing lang ito.
  • mga master sa mga naghahanap ng bagong work meron opening sa HP.

    HP Philippines walk-in interview event for Senior Unix System Administrators

    more details
    https://www.facebook.com/events/1019353858083478/
  • Salamat sa mga tumulong sa pag hahanap ng UTM appliance. :)

    Pa help po mga sirs, nag aaral ako mag config ng mail server using postfix + dovecot sa centos7, since yan ang next project ko sa company.

    Gamit kong domain is free domain lang muna for testing purpose from cu.cc. Nakaka receive na ako ng emails from both internal and external domains. Problem is yung sending ko hanggang internal lang, pag other domains such as gmail ayaw makarating pero sa mail client nag sesent sya.

    Ito error ko sa maillog.

    mail postfix/smtp[3156]: connect to gmail-smtp-in.l.google.com[74.125.130.26]:25: Connection timed out
    mail postfix/smtp[3156]: connect to gmail-smtp-in.l.google.com[2404:6800:4003:c01::1a]:25: Network is unreachable
    mail postfix/smtp[3156]: connect to alt1.gmail-smtp-in.l.google.com[2404:6800:4008:c01::1b]:25: Network is unreachable
    mail postfix/smtp[3156]: connect to alt1.gmail-smtp-in.l.google.com[173.194.72.26]:25: Connection timed out
    mail postfix/smtp[3156]: connect to alt2.gmail-smtp-in.l.google.com[2607:f8b0:400e:c03::1b]:25: Network is unreachable
    mail postfix/smtp[3156]: 9B9B72025353: to=<test_name@gmail.com>, relay=none, delay=61, delays=0.02/0.01/61/0, dsn=4.4.1, status=deferred (connect to alt2.gmail-smtp-in.l.google.com[2607:f8b0:400e:c03::1b]:25: Network is unreachable)

    Napiping ko yung mga ip addresses na nandyan, pero pag nag telnet ako ng port 25 ayaw din mag connect.

    Salamat. ng marami
  • mga master mron akong PC, gusto ko sanang gawing 2 user for 1 PC. i am currently using lubuntu.

    Procie: AMD A6
    Ram: 4gb
    HDD: 750g

    Bka mron nakakaalam ng thread or site.

    thanks
  • http://tldp.org/HOWTO/XFree-Local-multi-user-HOWTO/
  • takeaway is you need multiple graphics card, 1 per user, setup X for each graphics card, and assign exclusive inputs (keyboard/mouse) to each X session, viola.
  • Mga gurus, ask lang po kung may logs or command po ba na ma viview yung disk space sa specific date? e.g. I want to see the available disk space last friday July 24, 2015?.. Thanks Mastersss
  • You need to install some monitoring software which tracks disk usage and put it in a database, like nagios, tivoli or nms - or you can roll out a diy using cron and df
  • naka interested kayo. nakita ko lang:
    Security Auditing and Penetration Testing with Kali Linux

    <click here for link>

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