Red Hat System Administration I
In this lab, you will examine the network configuration of the current system.
Outcomes
Identify the current network interfaces and basic network addresses.
Reset your serverX system.
Display the current IP address and netmask for all interfaces.
[student@serverX ~]$ip addr1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 52:54:00:00:00:0b brd ff:ff:ff:ff:ff:ff inet 172.25.X.11/24 brd 172.25.X.255 scope global dynamic eth0 valid_lft 12704sec preferred_lft 12704sec inet6 fe80::5054:ff:fe00:b/64 scope link valid_lft forever preferred_lft foreverDisplay the statistics for the eth0 interface.
[student@serverX ~]$ip -s link show eth02: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP mode DEFAULT qlen 1000 link/ether 52:54:00:00:00:0b brd ff:ff:ff:ff:ff:ff RX: bytes packets errors dropped overrun mcast 418398 4588 0 0 0 0 TX: bytes packets errors dropped carrier collsns 360733 1730 0 0 0 0Display the routing information.
[student@serverX ~]$ip routedefault via 172.25.X.254 dev eth0 proto static metric 1024 172.25.X.0/24 dev eth0 proto kernel scope link src 172.25.X.11Verify that the router is accessible.
[student@serverX ~]$ping -c3 172.25.PING 172.25.X.254X.254 (172.25.X.254) 56(84) bytes of data. 64 bytes from 172.25.X.254: icmp_seq=1 ttl=64 time=0.489 ms 64 bytes from 172.25.X.254: icmp_seq=2 ttl=64 time=0.510 ms 64 bytes from 172.25.X.254: icmp_seq=3 ttl=64 time=0.458 ms --- 172.25.X.254 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 1999ms rtt min/avg/max/mdev = 0.458/0.485/0.510/0.033 msShow all the hops between the local system and classroom.example.com.
[student@serverX ~]$tracepath classroom.example.com1: classroom.example.com 0.522ms !H Resume: pmtu 65535Display the listening TCP sockets on the local system.
[student@serverX ~]$ss -ltState Recv-Q Send-Q Local Address:Port Peer Address:Port LISTEN 0 128 *:55630 *:* LISTEN 0 128 *:sunrpc *:* LISTEN 0 128 *:ssh *:* LISTEN 0 100 127.0.0.1:smtp *:* LISTEN 0 128 :::sunrpc :::* LISTEN 0 128 :::ssh :::* LISTEN 0 128 :::33079 :::* LISTEN 0 100 ::1:smtp :::*
RH124 Chapter 15 Lab 3: Install zsh Package
VictoriaB97
16 sty 2024
Hello,I am trying to finish up Lab 3 of the Chapter 15 Comprehensive Review Labs in RH124, and when I type in sudo dnf install zsh for the 6th specification of the lab, I get an error message basically saying that it failed to download metadata for the repo 'ansible-2.9-for-rhel-9-x86_64-rpms', and that they could not download repomd.xml. It provided a 404 status code.Can someone please let me know what the problem is, and if there is a current workaround? Thanks.
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Red Hat System Administration I | Guided Exercise: Explain and Investigate RPM Software Pack
AbeHiero
10 lis 2023
I cannot start the lab with command: lab start software-rpm. I get this error:ModuleNotFoundError: No module named 'rhcsa-classroom'Script software-rpm not in course library rhcsa-classroom Anyone else see this?
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Red Hat System Administration I (RH124)
Haley_Ruccio
19 lip 2023
The first of two courses covering the core system administration tasks needed to manage Red Hat Enterprise Linux serversRed Hat System Administration I (RH124) is designed for IT professionals without previous Linux system administration experience. The course provides students with Linux administration competence by focusing on core administration tasks. This course also provides a foundation for students who plan to become full-time Linux system administrators by introducing key command-line concepts and enterprise-level tools. This course is the first of a two-course series that takes a computer professional without Linux system administration knowledge to become a fully capable Linux administrator. These concepts are further developed in the follow-on course, Red Hat System Administration II (RH134).This course is based on Red Hat® Enterprise Linux 9.0.Course content summaryIntroduce Linux and the Red Hat Enterprise Linux ecosystem.Run commands and view shell environments.Manage, organize, and secure files.Manage users, groups and user security policies.Control and monitor systemd services.Configure remote access using the web console and SSH.Configure network interfaces and settings.Manage software using DNFAudience for this courseThe primary persona is a technical professional with current or pending responsibilities as a Linux enterprise or cloud system administrator.This course is popular in Red Hat Academy, and is targeted at the student who is planning to become a technical professional using Linux.Prerequisites for this courseBasic technical user skills with computer applications on some operating systems are expected.Take our free assessment to gauge whether this offering is the best fit for your skills.Technology considerationsThere are no special technical requirements for this course.This course is not designed for bring your own device (BYOD).Internet access is not required but is recommended so that students can research and browse Red Hat online resources.
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