{"id":915,"date":"2026-02-23T14:34:10","date_gmt":"2026-02-23T14:34:10","guid":{"rendered":"https:\/\/arripio.com.br\/?p=915"},"modified":"2026-04-02T18:47:15","modified_gmt":"2026-04-02T18:47:15","slug":"preparatorio-para-a-certificacao-ex200v9k","status":"publish","type":"post","link":"https:\/\/arripio.com.br\/?p=915","title":{"rendered":"Preparat\u00f3rio para a certifica\u00e7\u00e3o"},"content":{"rendered":"\n<p>Buscando material na internet e outros colegas seguem o meu estudo para a certifica\u00e7\u00e3o (RHCSA).<\/p>\n\n\n\n<p>Uma quest\u00e3o inicial \u00e9 como alterar a senha de root.<\/p>\n\n\n\n<p>O procedimento para alterar a senha de root:  Quando inicializar o grub  aperta a letra <strong>E<\/strong> para entrar no modo de edi\u00e7\u00e3o conforme a imagem abaixo:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i1.wp.com\/arripio.com.br\/wp-content\/uploads\/2026\/02\/image.png?ssl=1\"><img data-attachment-id=\"916\" data-permalink=\"https:\/\/arripio.com.br\/?attachment_id=916\" data-orig-file=\"https:\/\/i1.wp.com\/arripio.com.br\/wp-content\/uploads\/2026\/02\/image.png?fit=1059%2C375&amp;ssl=1\" data-orig-size=\"1059,375\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"image\" data-image-description=\"\" data-medium-file=\"https:\/\/i1.wp.com\/arripio.com.br\/wp-content\/uploads\/2026\/02\/image.png?fit=640%2C227&amp;ssl=1\" data-large-file=\"https:\/\/i1.wp.com\/arripio.com.br\/wp-content\/uploads\/2026\/02\/image.png?fit=840%2C298&amp;ssl=1\" loading=\"lazy\" width=\"840\" height=\"298\" src=\"https:\/\/i1.wp.com\/arripio.com.br\/wp-content\/uploads\/2026\/02\/image.png?resize=840%2C298&#038;ssl=1\" alt=\"\" class=\"wp-image-916\" srcset=\"https:\/\/i1.wp.com\/arripio.com.br\/wp-content\/uploads\/2026\/02\/image.png?resize=1024%2C363&amp;ssl=1 1024w, https:\/\/i1.wp.com\/arripio.com.br\/wp-content\/uploads\/2026\/02\/image.png?resize=640%2C227&amp;ssl=1 640w, https:\/\/i1.wp.com\/arripio.com.br\/wp-content\/uploads\/2026\/02\/image.png?resize=768%2C272&amp;ssl=1 768w, https:\/\/i1.wp.com\/arripio.com.br\/wp-content\/uploads\/2026\/02\/image.png?resize=600%2C212&amp;ssl=1 600w, https:\/\/i1.wp.com\/arripio.com.br\/wp-content\/uploads\/2026\/02\/image.png?resize=280%2C99&amp;ssl=1 280w, https:\/\/i1.wp.com\/arripio.com.br\/wp-content\/uploads\/2026\/02\/image.png?w=1059&amp;ssl=1 1059w\" sizes=\"(max-width: 840px) 100vw, 840px\" data-recalc-dims=\"1\" \/><\/a><figcaption>Localize a linha <strong>linux <\/strong>conforme a imagem abaixo vai ao final da linha e acrescente o seguinte comando:<br><strong>rd.break <\/strong>depois <strong>ctrl+x<\/strong> para sair e salvar as altera\u00e7\u00f5es:<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i2.wp.com\/arripio.com.br\/wp-content\/uploads\/2026\/02\/image-1.png?ssl=1\"><img data-attachment-id=\"917\" data-permalink=\"https:\/\/arripio.com.br\/?attachment_id=917\" data-orig-file=\"https:\/\/i2.wp.com\/arripio.com.br\/wp-content\/uploads\/2026\/02\/image-1.png?fit=1086%2C352&amp;ssl=1\" data-orig-size=\"1086,352\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"image-1\" data-image-description=\"\" data-medium-file=\"https:\/\/i2.wp.com\/arripio.com.br\/wp-content\/uploads\/2026\/02\/image-1.png?fit=640%2C207&amp;ssl=1\" data-large-file=\"https:\/\/i2.wp.com\/arripio.com.br\/wp-content\/uploads\/2026\/02\/image-1.png?fit=840%2C272&amp;ssl=1\" loading=\"lazy\" width=\"840\" height=\"272\" src=\"https:\/\/i2.wp.com\/arripio.com.br\/wp-content\/uploads\/2026\/02\/image-1.png?resize=840%2C272&#038;ssl=1\" alt=\"\" class=\"wp-image-917\" srcset=\"https:\/\/i2.wp.com\/arripio.com.br\/wp-content\/uploads\/2026\/02\/image-1.png?resize=1024%2C332&amp;ssl=1 1024w, https:\/\/i2.wp.com\/arripio.com.br\/wp-content\/uploads\/2026\/02\/image-1.png?resize=640%2C207&amp;ssl=1 640w, https:\/\/i2.wp.com\/arripio.com.br\/wp-content\/uploads\/2026\/02\/image-1.png?resize=768%2C249&amp;ssl=1 768w, https:\/\/i2.wp.com\/arripio.com.br\/wp-content\/uploads\/2026\/02\/image-1.png?resize=600%2C194&amp;ssl=1 600w, https:\/\/i2.wp.com\/arripio.com.br\/wp-content\/uploads\/2026\/02\/image-1.png?resize=280%2C91&amp;ssl=1 280w, https:\/\/i2.wp.com\/arripio.com.br\/wp-content\/uploads\/2026\/02\/image-1.png?w=1086&amp;ssl=1 1086w\" sizes=\"(max-width: 840px) 100vw, 840px\" data-recalc-dims=\"1\" \/><\/a><\/figure>\n\n\n\n<p>Agora o procedimento para alterar a senha de root:<\/p>\n\n\n\n<p><\/p>\n\n\n<p># mount -o remount,rw \/sysroot<br \/>\n# chroot \/sysroot<br \/>\n# passwd root<br \/>\n# touch \/.autorelabel<br \/>\n# exit<br \/>\n# exit<\/p>\n\n\n\n<p>Montar o sistema de parti\u00e7\u00e3o:<\/p>\n\n\n\n<p>Palavras chaves para resolver essa quest\u00e3o: <strong>rd.break, autorelabel,  mount, remount.<\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Outra quest\u00e3o \u00e9 configura\u00e7\u00e3o de rede e aqui tenho que chamar a aten\u00e7\u00e3o tem duas formas b\u00e1sicas de fazer isso uma delas \u00e9 utilizando uma configura\u00e7\u00e3o nativa &#8220;grafica nmtui&#8221; por\u00e9m j\u00e1 houve relatos de zerar a parte de rede por configurar por esse m\u00e9todo ent\u00e3o na d\u00favida vamos usar a linha de comando:<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Configura\u00e7\u00e3o do Hostname:<\/p>\n\n\n\n<p>Comando:<\/p>\n\n\n\n<p><kbd><strong>hostnamectl set-hostname lab.estudo.br<\/strong><\/kbd><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Configura\u00e7\u00f5es de rede:<\/p>\n\n\n\n<p>nmcli con mod eth0 ipv4.addresses 192.168.1.50\/24<\/p>\n\n\n\n<p>con = conex\u00e3o<\/p>\n\n\n\n<p>eth0 interface em uso<\/p>\n\n\n\n<p>ipv4.addresses ip utilizado bem como a mascara de rede<\/p>\n\n\n\n<p><code>nmcli con mod eth0 ipv4.gateway 192.168.1.1<br>nmcli con mod eth0 ipv4.method manual<br>nmcli con up eth0<\/code><br>Outros comandos b\u00e1sicos:<br>nmcli connection add type ethernet ifname enp0s8 con-name enp0s8 \\<br>ipv4.addresses 192.168.1.10\/24 \\<br>ipv4.gateway 192.168.1.1 \\<br>ipv4.dns 8.8.8.8 \\<br>ipv4.method manual<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Palavras chaves: <code>nmcli<\/code>, <code>con<\/code>, <code>mod<\/code>, <\/p>\n\n\n\n<p>Agora vamos para configura\u00e7\u00e3o do repositorio<\/p>\n\n\n\n<p>Basicamente criar o arquivo no seguinte caminho:<\/p>\n\n\n\n<p><code>\/etc\/yum.repos.d\/exam.repo<\/code><\/p>\n\n\n\n<p>Com o contet\u00fado de acordo com que tem na prova conforme o exemplo abaixo:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;baseos]\nname=Rocky Linux $releasever - BaseOS\nbaseurl=http:\/\/dl.rockylinux.org\/$contentdir\/$releasever\/BaseOS\/$basearch\/os\/\ngpgcheck=1\nenabled=1\ngpgkey=file:\/\/\/etc\/pki\/rpm-gpg\/RPM-GPG-KEY-Rocky-9\n\n\n<\/code><\/pre>\n\n\n\n<p><strong>Servidor WEB Apache<\/strong><\/p>\n\n\n\n<p>Instala\u00e7\u00e3o:<\/p>\n\n\n\n<p>yum install httpd<\/p>\n\n\n\n<p>systemctl start httpd <br>systemctl enable httpd<br>systemctl status httpd<\/p>\n\n\n\n<p>Arquivo de configura\u00e7\u00e3o:<\/p>\n\n\n\n<p>\/etc\/httpd\/conf\/httpd.conf<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Configura\u00e7\u00f5es de Firewall para liberar o servi\u00e7o em uma porta espec\u00edfica:<\/p>\n\n\n\n<p>OBS: Est\u00e1 logado como root para executar esses comandos abaixo:<br><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>firewall-cmd --permanent --list-services\nfirewall-cmd --permanent --list-ports\nfirewall-cmd --permanent --add-service=http\nfirewall-cmd --permanent --add-port=83\/tcp\nfirewall-cmd --reload<\/code><\/pre>\n\n\n\n<p><\/p>\n\n\n\n<p>Al\u00e9m das configura\u00e7\u00f5es do firewall \u00e9 necess\u00e1rio aten\u00e7\u00e3o as configura\u00e7\u00f5es do Selinux, o comando <strong><code>semanage<\/code><\/strong> \u00e9 utilizado em sistemas Linux que possuem <strong>SELinux (Security-Enhanced Linux)<\/strong> habilitado. Ele serve para <strong>gerenciar e modificar pol\u00edticas de seguran\u00e7a do SELinux de forma persistente<\/strong>, sem alterar diretamente os arquivos principais da pol\u00edtica.<\/p>\n\n\n\n<p>Os comando para habilitar o servi\u00e7o do httpd em porta espec\u00edfica \u00e9 necess\u00e1rio usar os seguintes comandos:<\/p>\n\n\n\n<p>semanage port -l |grep http<br>semanage port -a -t http_port_t -p tcp 82<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Para implementar na pratica vamos montar o servidor de NFS para ser usado no Autofs<\/p>\n\n\n\n<p><strong>Instala\u00e7\u00e3o do NFS SERVER<\/strong><\/p>\n\n\n\n<p>yum install nfs-utils -y<br>systemctl enable nfs-server<br>systemctl start nfs-server<br>systemctl status nfs-server<\/p>\n\n\n\n<p>Configura\u00e7\u00e3o o diret\u00f3rio que ser\u00e1 compartilhado:<\/p>\n\n\n\n<p>mkdir -p \/dados\/nfs<br>chmod 777 \/dados\/nfs<\/p>\n\n\n\n<p><strong>Configurar o arquivo que define o compartilhamento NFS<\/strong><\/p>\n\n\n\n<p>vi \/etc\/exports<br>inserir esse conte\u00fado:<br>\/dados\/nfs 192.168.1.0\/24(rw,sync,no_root_squash)<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Obs: 192.168.1.0 se refere a rede a qual tem acesso ao compartilhamento NFS<\/pre>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>AutoFS<\/strong><\/p>\n\n\n\n<p>Cliente Linux  -&gt; acessa -&gt;  \/mnt\/autofs\/projetos -&gt;  Autofs monta -&gt; 192.168.1.100:\/srv\/projetos<\/p>\n\n\n\n<p>Para que ela aconte\u00e7a de \u00e9 necess\u00e1rio instalar os seguintes pacotes:<\/p>\n\n\n\n<p>yum install autofs -y<br>yum install nfs-utils -y <\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Ap\u00f3s a instala\u00e7\u00e3o \u00e9 necess\u00e1rio configurar os seguintes arquivos de configura\u00e7\u00e3o:<\/strong><\/p>\n\n\n\n<p>vi \/etc\/auto.master<br>Inserir o seguinte coonte\u00fado:<br>\/compartilhamento \/etc\/auto.nfs &#8211;timeout=60<br>\/compartilhamento               &#8211;&gt; \u00e9 o diret\u00f3rio que ser\u00e1 montado na m\u00e1quina cliente <br>\/etc\/auto.nfs &#8211;timeout=60  &#8211;&gt;  \u00e9 o arquivo que define o caminho do servidor NFS<\/p>\n\n\n\n<p><br>vi \/etc\/auto.nfs<\/p>\n\n\n\n<p>Inserir o seguinte conte\u00fado:<\/p>\n\n\n\n<p>serverfile -rw,hard,intr,vers=3,proto=tcp 10.34.5.117:\/dados\/nfs<br>serverfile &#8211;&gt; Pasta que ser\u00e1 usada para visualizar o compartilhamento<br>-rw,hard,intr,vers=3,proto=tcp &#8211;&gt; Par\u00e2metros de configura\u00e7\u00e3o do NFS<br>10.34.5.117:\/dados\/nfs &#8211;&gt; Servidor NFS com seu compartilhamento<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Criar Imagem de Cont\u00eainer<\/strong><\/p>\n\n\n\n<p><strong>Criar um arquivo com nome Dockerfile ou Conteinerfile<\/strong><\/p>\n\n\n\n<p>com seguinte conte\u00fado:<br>FROM registry.access.redhat.com\/ubi9\/ubi<br>RUN dnf install -y httpd<\/p>\n\n\n\n<p><strong>Criar a imagem a partir desse arquivo com o seguinte comando:<\/strong><\/p>\n\n\n\n<p>podman build -t imagemlab:v1 .<br>podman images<\/p>\n\n\n\n<p>podman run -d &#8211;name mycontainer \\<br>-v \/opt\/mount:\/opt\/incoming:Z \\<br>-v \/opt\/processed:\/opt\/outgoing:Z \\<br>myimage<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>servi\u00e7o systemd<\/strong><\/p>\n\n\n\n<p>mkdir -p ~\/.config\/systemd\/user<br>cd ~\/.config\/systemd\/user<br>podman generate systemd &#8211;name mycontainer &#8211;files &#8211;new<br>systemctl &#8211;user daemon-reload<br>systemctl &#8211;user start container-mycontainer.service<br>systemctl &#8211;user enable container-mycontainer.service<\/p>\n\n\n\n<p><strong>Comando de Localiza\u00e7\u00e3o de arquivos FIND:<\/strong><\/p>\n\n\n\n<p>find \/ -user smith -exec cp -apvf {} \/root\/found\/ \\;<br><\/p>\n\n\n\n<p><strong>Se for as linhas NAO comentadas:<br><\/strong>grep ^[<strong>^#<\/strong>] \/etc\/sudoers &gt; \/root\/list<br><strong>Se for as linhas comentadas:<br><\/strong>grep ^[<strong>#<\/strong>] \/etc\/sudoers &gt; \/root\/list<\/p>\n\n\n\n<p><strong>Configurar numero de dias para renova\u00e7\u00e3o de senha.<br><\/strong>vi \/etc\/login.defs<\/p>\n\n\n\n<p>     PASS_MAX_DAYS 20<br>useradd usertest<br>chage -l usertest<\/p>\n\n\n\n<p><strong>Como verificar o caminho do execut\u00e1vel rhcsa<br><\/strong>which rhcsa<br>\/usr\/bin\/rhcsa<\/p>\n\n\n\n<p><strong>Instalar e compactar com tar e bzip2<\/strong><\/p>\n\n\n\n<p>dnf install tar bzip2<br>tar -zcvf books.tar.gz \/usr\/local\/<br>tar -jcvf books.tar.bz2 \/usr\/local\/<\/p>\n\n\n\n<p>Algumas informa\u00e7\u00f5es importante sobre o comando TAR<\/p>\n\n\n\n<p>tar  &#8211; &lt;op\u00e7\u00f5es&gt;<\/p>\n\n\n\n<p>c = create<br>x = extract<br>t = list<br>z = gzip<br>j = bzip2<br>f = file<br>v = verbose<\/p>\n\n\n\n<p><strong>Checando a integridade dos arquivos <br><\/strong>md5sum books.tar.bz2<br>md5sum books.tar.gz<\/p>\n\n\n\n<p><strong>Reposit\u00f3rio<\/strong><\/p>\n\n\n\n<p>[nome]<br>name=centos<br>baseurl=http:\/\/\u2026<br>enabled=1<br>gpgcheck=0<\/p>\n\n\n\n<h2><strong>#Resumo<br><\/strong><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code><\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code><\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code><\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code><\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code><\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>rd.break\nmount -o remount,rw \/sysroot\nchroot \/sysroot\npasswd root\ntouch \/.autorelabel\nexit\nexit\n\nnmcli con mod \"interface\" ipv4.adresses=xxxx\/24\nnmcli con mod \"interface\" ipv4.gateway=xxxxx\nnmcli con mod \"interface\" ipv4.metho=manual\nnmcli con up \"interface\"\n\nyum config-manager --add url reposit\u00f3rio\nalterar o arquivo para desabilitar checagem de chave\ngpgcheck=0\n\nrespositorio\n\n&#91;nome]\nname=centos\nbaseurl=http:\/\/...\nenabled=1\ngpgcheck=0\n\n\ngroupadd teste\nadduser -G teste flima\necho \"testes\" | passwd --stdin flima\n\n\nhostnamectl set-hostname node1.exam.local\nnmcli con mod eth0 ipv4.addresses 192.168.1.50\/24\nnmcli con mod eth0 ipv4.gateway 192.168.1.1\nnmcli con mod eth0 ipv4.method manual\nnmcli con up eth0\necho \"search exam.local\" &gt;&gt; \/etc\/resolv.conf\n\nnmcli &#91;OP\u00c7\u00d5ES] OBJETO { COMANDO | help }\n\nOBJETO\n  g&#91;eneral]       opera\u00e7\u00f5es e status geral do NetworkManager\n  n&#91;etworking]    controle geral de rede\n  c&#91;onnection]    conex\u00f5es do NetworkManager\n  d&#91;evice]        dispositivos gerenciados pelo NetworkManager\n\n\nfdisk \/dev\/vdb # n, p, +512M, t, 82, w\npartprobe \/dev\/vdb\nmkswap \/dev\/vdb1\nswapon \/dev\/vdb1\n\n\necho \"UUID=$(blkid -s UUID -o value \/dev\/vdb1) swap swap defaults 0 0\" &gt;&gt; \/etc\/fstab\n\nfree-h, swapoff -a swapon -a\n\n\ngroupadd sales \nuseradd -m -G sales nancy \nuseradd -m -G sales mike \nuseradd -s \/sbin\/nologin sunny \npasswd nos 3 usu\u00e1rios echo \"redhat123\" | passwd--stdin nancy\n\nuseradd-u 5120 dolly\necho \"redhat123\" | passwd--stdin dolly\n\n\nfdisk \/dev\/vdc # n, p, +512M, t, 8e, w\npvcreate \/dev\/vdc1\nvgcreate -s 8M wgroup \/dev\/vdc1\nlvcreate -l 60 -n wshare wgroup\nmkfs.vfat \/dev\/wgroup\/wshare\nmkdir \/mnt\/wshare\nmount \/dev\/wgroup\/wshare \/mnt\/wshare\necho \"\/dev\/wgroup\/wshare \/mnt\/wshare vfat defaults 0 0\" &gt;&gt; \/etc\/fstab\n\n\nmkdir \/home\/collab \nchgrp sales \/home\/collab \nchmod 2770 \/home\/collab\n\npodman build -t myimage .\n\npodman container run -d --name mycontainer  -v \/data\/input:\/data\/input:Z -v \/data\/output:\/data\/output:Z myimage\n\nfind \/ -name \"nomedo arquivo\"\n\nfind \/usr\/share -type f -size -5M -exec cp -a {} \/root\/myfiles\/ \\;\n\nfind \/usr -size -10M -perm -g=s \n\nfind \/ -user smith -exec cp -apvf {} \/root\/found\/ \\; \n\n\npodman build -t myimage .\n\nexecutar esse iamgem\n\npodman container run -d -n mycontatiner myimage:lasted \n\necho \"25 15 * * * \/bin\/echo hello\" | crontab-u nancy\nsystemctl restart crond\nsystemctl enable crond\ncrontab-l-u nancy\n\ngzip | gunzip | .gz | -z \nbzip2 | bunzip2 | .bz2 | -j \ntar -cjvf \/root\/data.tar.bz2 -C \/usr\/local .\n\nyum install tuned -y \nsystemctl start tuned \nsystemctl enable tuned \ntuned-adm list \ntuned-adm active \ntuned-adm recommend \ntuned-adm profile virtual-guest \ntuned-adm active \n\ngrep ^&#91;^#] \/etc\/sudoers &gt; \/root\/list \ngrep ^&#91;#] \/etc\/sudoers &gt; \/root\/list \nfirewall-cmd --permanent --list-services\nfirewall-cmd --permanent --list-ports\nfirewall-cmd --permanent --add-service=http\nfirewall-cmd --permanent --add-port=83\/tcp\nfirewall-cmd --reload\n\nsemanage port -l |grep http \nsemanage port -a -t http_port_t -p tcp 82 \nsystemctl restart httpd \nsystemctl enable httpd \nsystemctl status httpd\n\ngetfacl \/var\/tmp\/fstab \nsetfacl -m u:harry:rw- \/var\/tmp\/fstab \nsetfacl -m u:natasha:--- \/var\/tmp\/fstab \ngetfacl \/var\/tmp\/fstab\n\nvim \/home\/maxwell\/.bashrc or .bash_profile \numask 027 \nsource \/home\/maxwell\/.bashrc or .bash_profile\n\n\nmkdir -p \/root\/myfiles \nfind \/usr\/share -type f -size -5M -exec cp -rf {} \/root\/myfiles \\;  \/root\/myfiles \nfind \/usr\/share -type f -size +5M -o -size 5M -exec cp {} \/root\/myfiles \\; \n\n#!\/bin\/bash \nSOURCE_DIR=\"\/usr\"  \nOUTPUT_FILE=\"\/root\/lines\"  \nfind $SOURCE_DIR -size -10M -perm -g=s &gt; $OUTPUT_FILE\necho \"FINISH\"\n\nyum install autofs nfs-utils -y \nvim \/etc\/auto.master \n \/rhome \/etc\/auto.misc \nvim \/etc\/auto.misc \nldapuser1 -rw,soft,intr utility.example.com:\/rhome\/ldapuser1 \n\nsystemctl restart autofs \nsystemctl enable autofs\n\npodman build -t myimage . \npodman images \npodman ps\n\npodman run -d --name mycontainer -v \/opt\/files:\/opt\/incoming:Z -v  \/opt\/processed:\/opt\/outgoing:Z myimage\n\npodman container run --name maycontainer -v \/data\/input:\/data\/input:Z -v \/data\/output:\/data\/output:Z image:lestad\n\n\n\nmkdir -p .config\/systemd\/user \ncd .config\/systemd\/user \npodman generate systemd --name mycontainer --files --new \n\nsystemctl --user daemon-reload \nsystemctl --user start container-mycontainer.service \nsystemctl --user enable container-mycontainer.service \nsystemctl --user status container-mycontainer.service\n\n\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code><\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code><\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code><\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code><\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code><\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code><\/code><\/pre>\n\n\n\n<p><\/p>\n\n\n\n<!--more-->\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Buscando material na internet e outros colegas seguem o meu estudo para a certifica\u00e7\u00e3o (RHCSA). Uma quest\u00e3o inicial \u00e9 como alterar a senha de root. O procedimento para alterar a senha de root: Quando inicializar o grub aperta a letra&hellip; <br \/><a class=\"read-more-button\" href=\"https:\/\/arripio.com.br\/?p=915\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false},"categories":[9],"tags":[],"jetpack_featured_media_url":"","jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/pazGcY-eL","jetpack-related-posts":[{"id":47,"url":"https:\/\/arripio.com.br\/?p=47","url_meta":{"origin":915,"position":0},"title":"Como alcan\u00e7ar sucesso pessoal e profissional?","date":"24 Maio, 2014","format":false,"excerpt":"Como alcan\u00e7ar sucesso pessoal e profissional? O Segredo esta na\u00a0otimiza\u00e7\u00e3o do tempo em fun\u00e7\u00e3o da sua meta. Voc\u00ea n\u00e3o pode deixar as coisas substanciais se tornarem urgentes ent\u00e3o para isso e necess\u00e1rio: Definir metas e dedicar todo seu tempo em busca delas. Uma das ferramentas mais usadas em\u00a0boas praticas de\u2026","rel":"","context":"In &quot;Coach&quot;","img":{"alt_text":"","src":"https:\/\/i2.wp.com\/107.170.191.119\/wp-content\/uploads\/2014\/05\/ciclo-pdca-300x269.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":97,"url":"https:\/\/arripio.com.br\/?p=97","url_meta":{"origin":915,"position":1},"title":"LPIC-2 202 PAM Authentication","date":"29 Junho, 2014","format":false,"excerpt":"Arquivos de configura\u00e7\u00e3o O prop\u00f3sito do do projeto PAM \u00e9 separar a concess\u00e3o de privil\u00e9gios nos aplicativos do desenvolvimento de esquemas de autentica\u00e7\u00e3o apropriados e seguros. Isto \u00e9 realizado fornecendo-se uma biblioteca de fun\u00e7\u00f5es utilizada pelas aplica\u00e7\u00f5es para solicitar a autentica\u00e7\u00e3o de usu\u00e1rios.\u00a0 As bibliotecas PAM s\u00e3o configuradas no arquivo\u00a0\/etc\/pam.conf\u00a0ou\u2026","rel":"","context":"In &quot;Automa\u00e7\u00e3o&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":226,"url":"https:\/\/arripio.com.br\/?p=226","url_meta":{"origin":915,"position":2},"title":"Packtpub","date":"21 Julho, 2015","format":false,"excerpt":"Em uma pesquisa\u00a0https:\/\/www.packtpub.com\/ achei essa mat\u00e9ria muito interessante: Esta nuvem de tags d\u00e1 uma vis\u00e3o geral da respostas da pesquisa sobre em quais \u00e1reas os especialistas administradores em seguran\u00e7a est\u00e3o trabalhando. O resultado da pesquisa \u00e9 mostrado conforme o tamanho da palavra apresentada na nuvem, ent\u00e3o \u00e9 not\u00f3rio a grande\u2026","rel":"","context":"In &quot;Literatura&quot;","img":{"alt_text":"","src":"https:\/\/i1.wp.com\/arripio.com.br\/wp-content\/uploads\/2015\/07\/pesquisa-295x300.png?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":73,"url":"https:\/\/arripio.com.br\/?p=73","url_meta":{"origin":915,"position":3},"title":"Administra\u00e7\u00e3o de Rede 210","date":"9 Junho, 2014","format":false,"excerpt":"DHCP host ArripioLinux{ hardware ethernet 00:00:00:00:00:00; fix-address 10.1.0.3; } option domain-name-servers option domain-name \"Arripio.net\"; Tipo de de autentica\u00e7\u00e3o PAM account auth password session Controle do PAM requisite -> autentica\u00e7\u00e3o \u00e9 imediata negada, no caso de negativa do m\u00f3dulo required ->autentica\u00e7\u00e3o recusada no caso de negativa do m\u00f3dulo , mas consultar\u00e1\u2026","rel":"","context":"In &quot;Automa\u00e7\u00e3o&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":8,"url":"https:\/\/arripio.com.br\/?p=8","url_meta":{"origin":915,"position":4},"title":"Linux","date":"24 Maio, 2014","format":false,"excerpt":"Linux Certifica\u00e7ao","rel":"","context":"In &quot;Sistema Operacional&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":347,"url":"https:\/\/arripio.com.br\/?p=347","url_meta":{"origin":915,"position":5},"title":"Replica\u00e7\u00e3o - Percona - Xtrabackup - keepalived.","date":"25 Novembro, 2015","format":false,"excerpt":"Autor: Dauro Lima Sobrinho Este tutorial tem como objetivo auxiliar a instala\u00e7\u00e3o e configura\u00e7\u00e3o de uma solu\u00e7\u00e3o de alta disponibilidade com replica\u00e7\u00e3o dos dados no SGBD Percona Server 5.6.26, utilizando Percona Xtrabackup e o keepalived. Distribui\u00e7\u00e3o: CentOS 6.7 Node 1: 10.1.31.70 Node 2: 10.1.31.71 1\u00ba Passo: Instalar o reposit\u00f3rio Percona.\u2026","rel":"","context":"In &quot;Sem categoria&quot;","img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"https:\/\/arripio.com.br\/index.php?rest_route=\/wp\/v2\/posts\/915"}],"collection":[{"href":"https:\/\/arripio.com.br\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/arripio.com.br\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/arripio.com.br\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/arripio.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=915"}],"version-history":[{"count":43,"href":"https:\/\/arripio.com.br\/index.php?rest_route=\/wp\/v2\/posts\/915\/revisions"}],"predecessor-version":[{"id":993,"href":"https:\/\/arripio.com.br\/index.php?rest_route=\/wp\/v2\/posts\/915\/revisions\/993"}],"wp:attachment":[{"href":"https:\/\/arripio.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=915"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/arripio.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=915"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/arripio.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=915"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}