{"id":7355,"date":"2026-11-02T12:39:33","date_gmt":"2026-11-02T10:39:33","guid":{"rendered":"https:\/\/www.hostx.ro\/kb\/"},"modified":"2026-11-02T15:34:21","modified_gmt":"2026-11-02T13:34:21","password":"","slug":"backup-nakivo-pentru-servere-linux-cerinte-si-metode-de-instalare-a-agentului","status":"publish","type":"docs","link":"https:\/\/www.hostx.ro\/kb\/backup-nakivo-pentru-servere-linux-cerinte-si-metode-de-instalare-a-agentului\/","title":{"rendered":"Backup NAKIVO pentru servere Linux: cerin\u021be \u0219i metode de instalare a agentului"},"content":{"rendered":"<p>Serviciul de backup HostX pentru servere Linux (dedicate sau VPS) folose\u0219te <strong>NAKIVO Backup &amp; Replication<\/strong>. Pentru a putea fi salvat, serverul t\u0103u are nevoie de un serviciu instalat local, numit <em>Physical Machine Agent<\/em> (agentul NAKIVO), care comunic\u0103 cu infrastructura de backup HostX de la adresa <strong>188.213.133.249<\/strong>.<\/p>\n<p>Agentul poate fi instalat \u00een trei moduri: cu <strong>parol\u0103 SSH<\/strong>, cu <strong>cheie SSH<\/strong> sau <strong>manual, de c\u0103tre tine<\/strong>. Articolul de mai jos descrie cerin\u021bele tehnice \u0219i diferen\u021bele dintre cele trei variante, ca s\u0103 o po\u021bi alege pe cea potrivit\u0103 politicii de securitate a companiei tale.<\/p>\n<h2 id=\"cum-func\u021bioneaz\u0103\">Cum func\u021bioneaz\u0103<\/h2>\n<ul>\n<li>La ad\u0103ugarea serverului \u00een consola de backup HostX, sistemul NAKIVO se conecteaz\u0103 prin SSH, \u00eencarc\u0103 installerul agentului \u0219i \u00eel instaleaz\u0103 ca serviciu \u00een <code spellcheck=\"false\">\/opt\/nakivo\/transporter<\/code>. Serviciul porne\u0219te automat la fiecare repornire a serverului.<\/li>\n<li>Backupurile \u0219i restaur\u0103rile se efectueaz\u0103 prin agent, pe portul <strong>9446<\/strong> (comand\u0103 \u0219i control) \u0219i pe intervalul <strong>9448\u201310000<\/strong> (transfer de date).<\/li>\n<li>Accesul SSH este folosit pentru instalarea \u0219i actualizarea automat\u0103 a agentului. La instalarea manual\u0103 (op\u021biunea 3), HostX nu are nevoie de acces SSH.<\/li>\n<li>Agentul ruleaz\u0103 cu privilegii root pe server, indiferent de metoda de instalare, deoarece trebuie s\u0103 citeasc\u0103 direct discurile \u0219i volumele (inclusiv snapshoturi LVM). Diferen\u021ba dintre op\u021biuni este <strong>cine instaleaz\u0103 agentul \u0219i ce acces prime\u0219te HostX<\/strong>, nu privilegiile agentului.<\/li>\n<\/ul>\n<h2 id=\"cerin\u021be-tehnice\">Cerin\u021be tehnice<\/h2>\n<h3 id=\"sisteme-de-operare-suportate-x8664\">Sisteme de operare suportate (x86_64)<\/h3>\n<ul>\n<li>AlmaLinux<\/li>\n<li>Rocky Linux<\/li>\n<li>Red Hat Enterprise Linux<\/li>\n<li>Oracle Linux<\/li>\n<li>CentOS<\/li>\n<li>Debian<\/li>\n<li>Ubuntu Server<\/li>\n<li>SUSE Linux Enterprise Server<\/li>\n<\/ul>\n<p>Pentru informa\u021bii suplimentare privind versiunile suportate pentru fiecare din sistemele de operare de mai sus te rug\u0103m s\u0103 ne contactezi.<\/p>\n<h3 id=\"hardware-\u0219i-spa\u021biu\">Hardware \u0219i spa\u021biu de stocare<\/h3>\n<ul>\n<li>Procesor x86_64, minimum 2 GB RAM<\/li>\n<li>Firmware BIOS sau UEFI, tabel\u0103 de parti\u021bii MBR sau GPT<\/li>\n<li>Minimum 100 MB spa\u021biu liber pentru agent<\/li>\n<li>Sisteme de fi\u0219iere suportate: ext2, ext3, ext4, XFS, ReiserFS, FAT32, NTFS, Linux swap<\/li>\n<\/ul>\n<h3 id=\"software\">Software<\/h3>\n<ul>\n<li><strong>SELinux dezactivat<\/strong> (dac\u0103 exist\u0103). Cu SELinux activ, instalarea agentului e\u0219ueaz\u0103. Verificare: <code spellcheck=\"false\">getenforce<\/code>. Dezactivare permanent\u0103: seta\u021bi <code spellcheck=\"false\">SELINUX=disabled<\/code> \u00een <code spellcheck=\"false\">\/etc\/selinux\/config<\/code> \u0219i reporne\u0219te serverul.<\/li>\n<li>Utilitarul <code spellcheck=\"false\">parted<\/code> instalat (<code spellcheck=\"false\">dnf install parted<\/code> \/ <code spellcheck=\"false\">apt install parted<\/code>).<\/li>\n<li>Pentru op\u021biunile 1 \u0219i 2: pachetul <code spellcheck=\"false\">openssh-server<\/code> instalat \u0219i serviciul <code spellcheck=\"false\">sshd<\/code> pornit.<\/li>\n<li>Pentru backup consistent la nivel de aplica\u021bie: modulul de kernel <code spellcheck=\"false\">dm_snapshot<\/code> \u00eenc\u0103rcat (<code spellcheck=\"false\">lsmod | grep dm_snapshot<\/code>).<\/li>\n<li>Pe server nu trebuie s\u0103 existe deja un <em>Transporter<\/em> NAKIVO. Dac\u0103 ai folosit anterior NAKIVO pe acel server, te rug\u0103m s\u0103 ne anun\u021bi.<\/li>\n<\/ul>\n<h3 id=\"re\u021bea-\u0219i-firewall\">Re\u021bea \u0219i firewall<\/h3>\n<p>Toate conexiunile pornesc de la infrastructura HostX (<strong>188.213.133.249<\/strong>) c\u0103tre serverul t\u0103u. Permite\u021bi accesul\u00a0 <strong>doar de la aceast\u0103 adres\u0103 IP<\/strong> pe porturile de mai jos; nu deschide aceste porturi public.<\/p>\n<table>\n<colgroup>\n<col \/>\n<col \/>\n<col \/>\n<col \/><\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">Port TCP<\/th>\n<th colspan=\"1\" rowspan=\"1\">Surs\u0103<\/th>\n<th colspan=\"1\" rowspan=\"1\">Rol<\/th>\n<th colspan=\"1\" rowspan=\"1\">Necesar pentru<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">22 (sau portul SSH personalizat)<\/td>\n<td colspan=\"1\" rowspan=\"1\">188.213.133.249<\/td>\n<td colspan=\"1\" rowspan=\"1\">Instalare \u0219i actualizare automat\u0103 a agentului prin SSH<\/td>\n<td colspan=\"1\" rowspan=\"1\">Op\u021biunile 1 \u0219i 2<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">9446<\/td>\n<td colspan=\"1\" rowspan=\"1\">188.213.133.249<\/td>\n<td colspan=\"1\" rowspan=\"1\">Comunicare cu agentul<\/td>\n<td colspan=\"1\" rowspan=\"1\">Toate op\u021biunile<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">9448\u201310000<\/td>\n<td colspan=\"1\" rowspan=\"1\">188.213.133.249<\/td>\n<td colspan=\"1\" rowspan=\"1\">Transfer date de backup \u0219i restaurare<\/td>\n<td colspan=\"1\" rowspan=\"1\">Toate op\u021biunile<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Dac\u0103 filtrezi \u0219i traficul de ie\u0219ire, permite\u021bi r\u0103spunsurile \u0219i conexiunile c\u0103tre 188.213.133.249 pe acelea\u0219i porturi. Dac\u0103 serviciul SSH ruleaz\u0103 pe alt port dec\u00e2t 22, comunica\u021bi-ne portul \u0219i modifica\u021bi corespunz\u0103tor comenzile de mai jos.<\/p>\n<p>Exemple de configurare (\u00een func\u021bie de firewallul instalat pe server):<\/p>\n<p><strong>CSF<\/strong> (frecvent pe serverele cPanel \/ DirectAdmin) \u2014 permite toate porturile doar de la IP-ul HostX:<\/p>\n<pre spellcheck=\"false\"><code>csf -a 188.213.133.249 \"HostX NAKIVO backup\"<\/code><\/pre>\n<p><strong>firewalld<\/strong> (AlmaLinux, Rocky, RHEL):<\/p>\n<pre spellcheck=\"false\"><code>firewall-cmd --permanent --add-rich-rule='rule family=\"ipv4\" source address=\"188.213.133.249\" port port=\"22\" protocol=\"tcp\" accept'\r\nfirewall-cmd --permanent --add-rich-rule='rule family=\"ipv4\" source address=\"188.213.133.249\" port port=\"9446\" protocol=\"tcp\" accept'\r\nfirewall-cmd --permanent --add-rich-rule='rule family=\"ipv4\" source address=\"188.213.133.249\" port port=\"9448-10000\" protocol=\"tcp\" accept'\r\nfirewall-cmd --reload<\/code><\/pre>\n<p><strong>UFW<\/strong> (Ubuntu, Debian):<\/p>\n<pre spellcheck=\"false\"><code>ufw allow proto tcp from 188.213.133.249 to any port 22,9446,9448:10000<\/code><\/pre>\n<p><strong>iptables<\/strong>:<\/p>\n<pre spellcheck=\"false\"><code>iptables -I INPUT -s 188.213.133.249 -p tcp -m multiport --dports 22,9446,9448:10000 -j ACCEPT<\/code><\/pre>\n<p>(salveaz\u0103 regula persistent,\u00a0 \u00a0cu <code spellcheck=\"false\">iptables-save<\/code> sau <code spellcheck=\"false\">netfilter-persistent save<\/code>).<\/p>\n<p>Pentru op\u021biunea 3 po\u021bi omite portul 22 din regulile de mai sus. Dac\u0103 folose\u0219ti \u0219i un firewall extern (firewall hardware, security group \u00een cloud, Imunify360 etc.), ad\u0103ug\u0103 acelea\u0219i excep\u021bii \u0219i acolo.<\/p>\n<h2 id=\"op\u021biunea-1-acces-cu-parol\u0103-root-sau-utilizator-sudo\">Op\u021biunea 1 \u2014 Acces cu parol\u0103 (root sau utilizator sudo)<\/h2>\n<p>HostX se conecteaz\u0103 prin SSH cu un utilizator \u0219i o parol\u0103 furnizate de tine \u0219i instaleaz\u0103 automat agentul.<\/p>\n<p><strong>Ce ne transmi\u021bi (prin tichet din <\/strong><a href=\"https:\/\/my.hostx.eu\" target=\"_blank\" rel=\"noopener noreferrer nofollow\"><strong>my.hostx.eu<\/strong><\/a><strong>):<\/strong> hostname sau IP, portul SSH, numele de utilizator \u0219i parola.<\/p>\n<p><strong>Cerin\u021be pe server:<\/strong><\/p>\n<ul>\n<li><code spellcheck=\"false\">PasswordAuthentication yes<\/code> \u00een <code spellcheck=\"false\">\/etc\/ssh\/sshd_config<\/code>.<\/li>\n<li>Dac\u0103 folose\u0219ti root: <code spellcheck=\"false\">PermitRootLogin yes<\/code>.<\/li>\n<li>Dac\u0103 folose\u0219ti alt utilizator: acesta trebuie s\u0103 poat\u0103 rula <code spellcheck=\"false\">sudo<\/code> <strong>f\u0103r\u0103 parol\u0103<\/strong> (<code spellcheck=\"false\">NOPASSWD:ALL<\/code>) iar mesajul de avertizare sudo (\u201electure\u201d) trebuie dezactivat.<\/li>\n<\/ul>\n<p><strong>Recomandat:<\/strong> \u00een loc de root, creaz\u0103 un utilizator dedicat, folosit exclusiv pentru backup:<\/p>\n<pre spellcheck=\"false\"><code>useradd -m nakivo\r\npasswd nakivo\r\necho 'nakivo ALL=(ALL) NOPASSWD:ALL' &gt; \/etc\/sudoers.d\/nakivo\r\necho 'Defaults:nakivo lecture=never' &gt;&gt; \/etc\/sudoers.d\/nakivo\r\nchmod 440 \/etc\/sudoers.d\/nakivo\r\nvisudo -cf \/etc\/sudoers.d\/nakivo<\/code><\/pre>\n<p>Nu ad\u0103uga\u00a0 acest utilizator \u00een grupul <code spellcheck=\"false\">wheel<\/code> sau <code spellcheck=\"false\">sudo<\/code>: regulile de grup (de exemplu <code spellcheck=\"false\">%sudo ALL=(ALL:ALL) ALL<\/code>) pot avea prioritate \u0219i pot cere parola iar instalarea e\u0219ueaz\u0103.<\/p>\n<p><strong>Avantaje:<\/strong><\/p>\n<ul>\n<li>Cea mai simpl\u0103 variant\u0103; nu necesit\u0103 nicio ac\u021biune dup\u0103 configurarea ini\u021bial\u0103.<\/li>\n<li>Agentul este actualizat automat de HostX odat\u0103 cu platforma de backup.<\/li>\n<\/ul>\n<p><strong>Dezavantaje:<\/strong><\/p>\n<ul>\n<li>Parola este stocat\u0103 (criptat) \u00een platforma de backup HostX<\/li>\n<li>Necesit\u0103 autentificare SSH cu parol\u0103 activ\u0103 pe server<\/li>\n<li>Dac\u0103 schimbi parola utilizatorului trebuie s\u0103 ne comunici noua parol\u0103 altfel actualiz\u0103rile automate ale agentului nu mai func\u021bioneaz\u0103<\/li>\n<\/ul>\n<h2 id=\"op\u021biunea-2-acces-cu-cheie-ssh-f\u0103r\u0103-parol\u0103\">Op\u021biunea 2 \u2014 Acces cu cheie SSH (f\u0103r\u0103 parol\u0103)<\/h2>\n<p>HostX se conecteaz\u0103 prin SSH cu o cheie criptografic\u0103. Nu ne transmi\u021bi nicio parol\u0103: ad\u0103ug\u0103 pe server cheia public\u0103 HostX, pe care o po\u021bi revoca oric\u00e2nd.<\/p>\n<p><strong>Pa\u0219i:<\/strong><\/p>\n<ol>\n<li>Deschide un tichet din <a href=\"https:\/\/my.hostx.eu\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">my.hostx.eu<\/a> \u0219i solicit\u0103 cheia public\u0103 HostX pentru backup NAKIVO (unic\u0103 pentru serverul t\u0103u)<\/li>\n<li>Creaz\u0103 utilizatorul dedicat ca la op\u021biunea 1 (f\u0103r\u0103 parol\u0103: po\u021bi omite comanda <code spellcheck=\"false\">passwd<\/code>) sau folosi\u021bi root<\/li>\n<li>Ad\u0103uga\u021bi cheia \u00een fi\u0219ierul <code spellcheck=\"false\">authorized_keys<\/code> al utilizatorului, restric\u021bionat\u0103 la IP-ul HostX:<\/li>\n<\/ol>\n<pre spellcheck=\"false\"><code>mkdir -p \/home\/nakivo\/.ssh\r\necho 'from=\"188.213.133.249\" ssh-ed25519 AAAA...cheia-HostX... hostx-nakivo' &gt;&gt; \/home\/nakivo\/.ssh\/authorized_keys\r\nchown -R nakivo:nakivo \/home\/nakivo\/.ssh\r\nchmod 700 \/home\/nakivo\/.ssh\r\nchmod 600 \/home\/nakivo\/.ssh\/authorized_keys<\/code><\/pre>\n<p>(pentru root, fi\u0219ierul este <code spellcheck=\"false\">\/root\/.ssh\/authorized_keys<\/code>; este suficient <code spellcheck=\"false\">PermitRootLogin prohibit-password<\/code>.)<\/p>\n<ol start=\"4\">\n<li>Transmite-ne prin tichet hostname-ul sau IP-ul, portul SSH \u0219i numele utilizatorului.<\/li>\n<\/ol>\n<p><strong>Avantaje:<\/strong><\/p>\n<ul>\n<li>Nicio parol\u0103 nu este partajat\u0103 sau stocat\u0103 la HostX.<\/li>\n<li>Autentificarea cu parol\u0103 poate r\u0103m\u00e2ne dezactivat\u0103 pe server.<\/li>\n<li>Accesul este revocabil instantaneu: \u0219terge linia din <code spellcheck=\"false\">authorized_keys<\/code><\/li>\n<li>Restric\u021bia <code spellcheck=\"false\">from=<\/code> face cheia inutilizabil\u0103 de pe orice alt\u0103 adres\u0103 dec\u00e2t 188.213.133.249<\/li>\n<li>Agentul este actualizat automat, la fel ca la op\u021biunea 1.<\/li>\n<\/ul>\n<p><strong>Dezavantaje:<\/strong><\/p>\n<ul>\n<li>HostX p\u0103streaz\u0103 acces SSH (cu privilegii sudo) c\u00e2t timp cheia este instalat\u0103.<\/li>\n<\/ul>\n<h2 id=\"op\u021biunea-3-instalare-manual\u0103-a-agentului-de-c\u0103tre-client\">Op\u021biunea 3 \u2014 Instalare manual\u0103 a agentului de c\u0103tre client<\/h2>\n<p>Instaleaz\u0103 singur agentul NAKIVO pe server, folosind instalerul furnizat de HostX. HostX <strong>nu ob\u021bine\u00a0 acces SSH<\/strong> la serverul t\u0103u; platforma de backup comunic\u0103 doar cu agentul, autentificat\u0103 printr-o parol\u0103 de asociere (cheie pre-partajat\u0103) aleas\u0103 de dumneavoastr\u0103.<\/p>\n<p><strong>Pa\u0219i:<\/strong><\/p>\n<ol>\n<li>Deschide\u00a0 un tichet din <a href=\"https:\/\/my.hostx.eu\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">my.hostx.eu<\/a> \u0219i solicita\u021bi installerul agentului Linux (<code spellcheck=\"false\">transporter-physical-linux-installer.sh<\/code>)<\/li>\n<li>Copiaz\u0103 fi\u0219ierul \u00een <code spellcheck=\"false\">\/tmp<\/code> pe server<\/li>\n<li>Alege o parol\u0103 de asociere puternic\u0103 (minimum 16 caractere) \u0219i ruleaz\u0103, ca root sau cu sudo:<\/li>\n<\/ol>\n<pre spellcheck=\"false\"><code>sudo bash \/tmp\/transporter-physical-linux-installer.sh -s 9446 -i \/opt\/nakivo\/transporter -p 'PAROLA_DE_ASOCIERE' --pam-conf --eula-accept<\/code><\/pre>\n<ol start=\"4\">\n<li>Asigur\u0103-te c\u0103 agentul ascult\u0103 pe portul 9446:<\/li>\n<\/ol>\n<pre spellcheck=\"false\"><code>ss -tlnp | grep 9446<\/code><\/pre>\n<ol start=\"5\">\n<li>Transmite-ne hostname-ul sau IP-ul serverului \u0219i parola de asociere, prin tichet. HostX adaug\u0103 serverul \u00een platform\u0103 folosind agentul existent.<\/li>\n<\/ol>\n<p><strong>Actualizarea agentului:<\/strong> agentul instalat manual <strong>nu se actualizeaz\u0103 automat<\/strong>. C\u00e2nd actualiz\u0103m platforma de backup, te anun\u021b\u0103m \u0219i \u00ee\u021bi trimitem noul installer, pe care \u00eel rulezi astfel:<\/p>\n<pre spellcheck=\"false\"><code>sudo bash \/tmp\/transporter-physical-linux-installer.sh -u --eula-accept -i \/opt\/nakivo\/transporter<\/code><\/pre>\n<p>P\u00e2n\u0103 la actualizare, taskurile de backup ale serverului t\u0103u pot fi \u00eentrerupte dac\u0103 versiunea agentului nu mai este compatibil\u0103 cu platforma.<\/p>\n<p><strong>Dezinstalare:<\/strong> <code spellcheck=\"false\">\/opt\/nakivo\/transporter\/uninstall<\/code><\/p>\n<p><strong>Avantaje:<\/strong><\/p>\n<ul>\n<li>HostX nu prime\u0219te acces SSH sau creden\u021biale de sistem<\/li>\n<li>Portul 22 nu trebuie deschis pentru HostX<\/li>\n<li>Controlezi complet momentul instal\u0103rii \u0219i al actualiz\u0103rilor<\/li>\n<\/ul>\n<p><strong>Dezavantaje:<\/strong><\/p>\n<ul>\n<li>Instalarea \u0219i fiecare actualizare sunt responsabilitatea ta<\/li>\n<li>\u00cent\u00e2rzierea actualiz\u0103rilor poate \u00eentrerupe taskurile de backup<\/li>\n<li>Diagnosticarea problemelor dureaz\u0103 mai mult deoarece HostX nu poate verifica direct serverul.<\/li>\n<\/ul>\n<h2 id=\"compara\u021bie-rapid\u0103\">Compara\u021bie rapid\u0103<\/h2>\n<table>\n<colgroup>\n<col \/>\n<col \/>\n<col \/>\n<col \/><\/colgroup>\n<tbody>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">Criteriu<\/th>\n<th colspan=\"1\" rowspan=\"1\">1. Parol\u0103<\/th>\n<th colspan=\"1\" rowspan=\"1\">2. Cheie SSH<\/th>\n<th colspan=\"1\" rowspan=\"1\">3. Instalare manual\u0103<\/th>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">Acces primit de HostX<\/td>\n<td colspan=\"1\" rowspan=\"1\">SSH cu parol\u0103<\/td>\n<td colspan=\"1\" rowspan=\"1\">SSH cu cheie, revocabil<\/td>\n<td colspan=\"1\" rowspan=\"1\">F\u0103r\u0103 acces SSH<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">Parol\u0103 de sistem partajat\u0103<\/td>\n<td colspan=\"1\" rowspan=\"1\">Da<\/td>\n<td colspan=\"1\" rowspan=\"1\">Nu<\/td>\n<td colspan=\"1\" rowspan=\"1\">Nu<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">Port 22 deschis pentru HostX<\/td>\n<td colspan=\"1\" rowspan=\"1\">Da<\/td>\n<td colspan=\"1\" rowspan=\"1\">Da<\/td>\n<td colspan=\"1\" rowspan=\"1\">Nu<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">Actualizare agent<\/td>\n<td colspan=\"1\" rowspan=\"1\">Automat\u0103<\/td>\n<td colspan=\"1\" rowspan=\"1\">Automat\u0103<\/td>\n<td colspan=\"1\" rowspan=\"1\">Manual\u0103, de c\u0103tre client<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">Efort din partea clientului<\/td>\n<td colspan=\"1\" rowspan=\"1\">Minim<\/td>\n<td colspan=\"1\" rowspan=\"1\">Redus<\/td>\n<td colspan=\"1\" rowspan=\"1\">Mediu, recurent<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">Efectul schimb\u0103rii parolei<\/td>\n<td colspan=\"1\" rowspan=\"1\">Trebuie comunicat\u0103 noua parol\u0103<\/td>\n<td colspan=\"1\" rowspan=\"1\">Niciun efect<\/td>\n<td colspan=\"1\" rowspan=\"1\">Niciun efect<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">Diagnosticare probleme<\/td>\n<td colspan=\"1\" rowspan=\"1\">Rapid\u0103<\/td>\n<td colspan=\"1\" rowspan=\"1\">Rapid\u0103<\/td>\n<td colspan=\"1\" rowspan=\"1\">Necesit\u0103 implicarea clientului<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><\/h2>\n<h2 id=\"ce-op\u021biune-s\u0103-alege\u021bi\">Ce op\u021biune s\u0103 alegi<\/h2>\n<ul>\n<li><strong>Dore\u0219ti cea mai simpl\u0103 configurare<\/strong> \u0219i politica intern\u0103 permite partajarea unei parole \u2192 <strong>Op\u021biunea 1<\/strong>, cu un utilizator dedicat <code spellcheck=\"false\">nakivo<\/code>, nu cu root<\/li>\n<li><strong>Nu dore\u0219ti s\u0103 partajezi parole<\/strong> dar vrei ca agentul s\u0103 fie \u00eentre\u021binut de HostX \u2192 <strong>Op\u021biunea 2<\/strong>. Este varianta recomandat\u0103 de HostX: echilibrul cel mai bun \u00eentre securitate \u0219i efort.<\/li>\n<li><strong>Politica de securitate interzice accesul ter\u021bilor la server<\/strong> (audit, conformitate, mediu reglementat) \u2192 <strong>Op\u021biunea 3<\/strong>, asum\u00e2nd instalarea \u0219i actualiz\u0103rile agentului.<\/li>\n<\/ul>\n<p>Indiferent de op\u021biune, permite accesul la porturi <strong>doar<\/strong> de la 188.213.133.249.<\/p>\n<h2 id=\"\u00eencetarea-serviciului-\u0219i-revocarea-accesului\">\u00cencetarea serviciului \u0219i revocarea accesului<\/h2>\n<ul>\n<li>La op\u021biunile 1 \u0219i 2, agentul este dezinstalat automat c\u00e2nd serverul este eliminat din platforma de backup HostX<\/li>\n<li>La op\u021biunea 3, ruleaz\u0103 <code spellcheck=\"false\">\/opt\/nakivo\/transporter\/uninstall<\/code><\/li>\n<li>\u0218terge\u00a0 utilizatorul dedicat (<code spellcheck=\"false\">userdel -r nakivo<\/code> \u0219i <code spellcheck=\"false\">\/etc\/sudoers.d\/nakivo<\/code>) sau cheia din <code spellcheck=\"false\">authorized_keys<\/code> \u0219i elimin\u0103 regulile de firewall pentru 188.213.133.249<\/li>\n<\/ul>\n<h2 id=\"probleme-frecvente\">Probleme frecvente<\/h2>\n<ul>\n<li><strong>Instalarea e\u0219ueaz\u0103 imediat:<\/strong> verific\u0103 dac\u0103 SELinux este dezactivat (<code spellcheck=\"false\">getenforce<\/code> trebuie s\u0103 returneze <code spellcheck=\"false\">Disabled<\/code>) \u0219i c\u0103 exist\u0103 cel pu\u021bin 100 MB liberi<\/li>\n<li><strong>\u201eThis machine already contains a Transporter\u201d:<\/strong> pe server exist\u0103 un Transporter NAKIVO instalat anterior. Dezinstaleaz\u0103-l cu <code spellcheck=\"false\">\/opt\/nakivo\/transporter\/uninstall<\/code> \u0219i reia ad\u0103ugarea<\/li>\n<li><strong>Conexiunea expir\u0103:<\/strong> verific\u0103 regulile de firewall (inclusiv CSF, Imunify360 sau firewallul extern) pentru 188.213.133.249 pe porturile 22, 9446 \u0219i 9448\u201310000.<\/li>\n<li><strong>Autentificarea reu\u0219e\u0219te\u00a0 dar instalarea se opre\u0219te:<\/strong> utilizatorul cere parol\u0103 la <code spellcheck=\"false\">sudo<\/code>. Verific\u0103 cu <code spellcheck=\"false\">sudo -n true<\/code> (nu trebuie s\u0103 solicite parol\u0103) \u0219i asigur\u0103-te c\u0103 utilizatorul nu face parte din grupul <code spellcheck=\"false\">wheel<\/code> \/ <code spellcheck=\"false\">sudo<\/code>.<\/li>\n<li><strong>Serverul nu este detectat corect:<\/strong> scripturile din <code spellcheck=\"false\">.bashrc<\/code> \/ <code spellcheck=\"false\">.bash_profile<\/code> care afi\u0219eaz\u0103 text la autentificare pot perturba detectarea. Dezactiveaz\u0103-le pentru utilizatorul de backup.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Serviciul de backup HostX pentru servere Linux (dedicate sau VPS) folose\u0219te NAKIVO Backup &amp; Replication. Pentru a putea fi salvat, serverul t\u0103u are nevoie de un serviciu instalat local, numit Physical Machine Agent (agentul NAKIVO), care comunic\u0103 cu infrastructura de backup HostX de la adresa 188.213.133.249. Agentul poate fi instalat \u00een trei moduri: cu parol\u0103 &#8230; <a title=\"Backup NAKIVO pentru servere Linux: cerin\u021be \u0219i metode de instalare a agentului\" class=\"read-more\" href=\"https:\/\/www.hostx.ro\/kb\/backup-nakivo-pentru-servere-linux-cerinte-si-metode-de-instalare-a-agentului\/\" aria-label=\"Cite\u0219te mai multe despre Backup NAKIVO pentru servere Linux: cerin\u021be \u0219i metode de instalare a agentului\">Cite\u0219te mai mult<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"whmcs_kb_id":0,"footnotes":""},"doc_category":[543],"doc_tag":[252,274,271,289,245,240,270],"class_list":["post-7355","docs","type-docs","status-publish","hentry","doc_category-nakivo","doc_tag-administrare-server","doc_tag-backup","doc_tag-instalare","doc_tag-linux","doc_tag-securitate","doc_tag-ssh","doc_tag-vps"],"year_month":"2026-11","word_count":1710,"total_views":"12","reactions":{"happy":"0","normal":"0","sad":"0"},"author_info":{"name":"benyhill","author_nicename":"benyhill","author_url":"https:\/\/www.hostx.ro\/kb\/author\/benyhill\/"},"doc_category_info":[{"term_name":"Nakivo","term_url":"https:\/\/www.hostx.ro\/kb\/docs-category\/nakivo\/"}],"doc_tag_info":[{"term_name":"administrare server","term_url":"https:\/\/www.hostx.ro\/kb\/docs-tag\/administrare-server\/"},{"term_name":"backup","term_url":"https:\/\/www.hostx.ro\/kb\/docs-tag\/backup\/"},{"term_name":"instalare","term_url":"https:\/\/www.hostx.ro\/kb\/docs-tag\/instalare\/"},{"term_name":"Linux","term_url":"https:\/\/www.hostx.ro\/kb\/docs-tag\/linux\/"},{"term_name":"securitate","term_url":"https:\/\/www.hostx.ro\/kb\/docs-tag\/securitate\/"},{"term_name":"SSH","term_url":"https:\/\/www.hostx.ro\/kb\/docs-tag\/ssh\/"},{"term_name":"VPS","term_url":"https:\/\/www.hostx.ro\/kb\/docs-tag\/vps\/"}],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Backup NAKIVO Linux: Cerin\u021be \u0219i Instalare Agent - Centrul de suport HostX<\/title>\n<meta name=\"description\" content=\"Ghid pentru instalarea agentului NAKIVO pe servere Linux. 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