User contributions for Ardika Sulistija

14:2114:21, 11 September 2024 diff hist +842‎ N Port Forwarding ‎ Created page with " ==== Configuration Settings For Your LAMP stack to work (old notes): ==== ---- Useful: http://www.servermom.org/install-lamp-centos-7/1741/ (In case you get a new IP address... This was when I was first learning on my VMware box at home.) Update Port forwarding to tell the router what the IP address is for this private server (since you got a new IP address). This will allow you to SSH into your VM from outside your network. Open your browser and enter you..." current
14:2014:20, 11 September 2024 diff hist +1,009‎ N Pokemon ‎ Created page with "{|class="wikitable" ! style="text-align:left;"| Type ! Super Effective ! Weak Against |- |Bug |Grass, Dark, Psychic |Fire, Flying, Rock |- |Dark |Ghost, Psychic |Bug, Fairy, Fighting |- |Dragon |Dragon |Dragon, Fairy, Ice |- |Electric |Flying, Water |Ground |- |Fairy |Fighting, Dark, Dragon |Poison, Steel |- |Fighting |Dark, Ice, Normal, Rock, Steel |Fairy, Flying, Psychic |- |Fire |Bug, Grass, Ice, Steel |Ground, Rock, Water |- |Flying |Bug, Fighting, Grass |Electric,..." current
14:2014:20, 11 September 2024 diff hist +86‎ N Ping ‎ Created page with "https://www.thegeekstuff.com/2009/11/ping-tutorial-13-effective-ping-command-examples/" current
14:2014:20, 11 September 2024 diff hist +505‎ N Partitions and Filesystems ‎ Created page with "https://docs.google.com/document/d/1wok3tZdFjOWZafD7C8rk8_BoOEPh56J0ndZ7wOZ9FV8/edit https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/recognize-expanded-volume-linux.html https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-using-volumes.html https://www.digitalocean.com/community/tutorials/an-introduction-to-storage-terminology-and-concepts-in-linux https://help.ubuntu.com/community/LinuxFilesystemsExplained https://documentation.suse.com/sles/12-SP5/html..." current
14:2014:20, 11 September 2024 diff hist +18‎ N Parted ‎ Created page with "Under construction" current
14:1914:19, 11 September 2024 diff hist +2,048‎ N Pam ‎ Created page with " ====Pam_unix==== pam_unix - Module for traditional password authentication https://linux.die.net/man/8/pam_unix You want to restrict Linux users from using previous 5 passwords when changing the password. As clarified over the chat, this is a system admin task outside of AWS scope of support. To assist you on best-effort basis, I found the link [1] with the steps to do the same. I was able to replicate it in my lab successfully using the following steps for Red Hat..." current
14:1914:19, 11 September 2024 diff hist +177‎ N Palo Alto ‎ Created page with "Palo Alto Networks URL Filtering: https://urlfiltering.paloaltonetworks.com/query/ Use this to recategorize your website so that it is not blocked on, say, your work's network." current
14:1914:19, 11 September 2024 diff hist +631‎ N PV vs HVM ‎ Created page with ""Linux Amazon Machine Images use one of two types of virtualization: paravirtual (PV) or hardware virtual machine (HVM). The main differences between PV and HVM AMIs are the way in which they boot and whether they can take advantage of special hardware extensions (CPU, network, and storage) for better performance. For the best performance, we recommend that you use current generation instance types and HVM AMIs when you launch your instances. For more information about..." current
14:1814:18, 11 September 2024 diff hist +2,960‎ N PHP ‎ Created page with " ==== How to Install php7 on RHEL 7==== ---- These instructions worked specifically for installing php7.2 on RHEL 7.6: yum update yum install wget wget https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm rpm -ivh epel-release-latest-7.noarch.rpm yum install http://rpms.remirepo.net/enterprise/remi-release-7.rpm yum install php72 php72 -v ttps://bobcares.com/blog/phpmyadmin-403-forbidden-error/ https://stackoverflow.com/questions/2676..." current
14:1814:18, 11 September 2024 diff hist +1,317‎ N Orphan Process ‎ Created page with "Related topics: * Processes * Zombie Process * Process Control Block (PCB) * Threads ---- Orphan Process - Parent process has finished or terminated, but it remains running. Difference between Orphan process and Zombie process: * In the Orphan process, the parent process has finished or terminated, though it r..." current
14:1814:18, 11 September 2024 diff hist +3,312‎ N Oracle ‎ Created page with "====Download Locations==== ---- * ISOs can be found here:https://yum.oracle.com/oracle-linux-isos.html * Kernels can be found in places like these, just google if you can't find what you're looking for: https://yum.oracle.com/repo/OracleLinux/OL7/UEKR6/x86_64/index.html https://yum.oracle.com/repo/OracleLinux/OL7/UEKR5/archive/x86_64/index.html ====How to install kernel-devel in Oracle Linux 7==== ---- [+] Testing in my own environment. Oracl..." current
14:1714:17, 11 September 2024 diff hist +568‎ N Openssl ‎ Created page with "====How to test SSL connectivity ==== ---- openssl s_client -showcerts -connect <ip>:<port> # force tls1.2: openssl s_client -tls1_2 -showcerts -connect <ip>:<port> ==== How to check if SSL certificate on an instance has expired==== ---- openssl s_client -connect ec2-x-x-x-x.eu-west-2.compute.amazonaws.com:443 -servername dikapedia.com 2>/dev/null | openssl x509 -noout -dates -issuer -subject notBefore=Oct 1 11:59:06 2021 GMT notAfter=Dec 30 11:..." current
14:1714:17, 11 September 2024 diff hist +11,335‎ N OSI Model & TCP/IP Model ‎ Created page with " ===OSI Model=== ---- OSI Model - Open Systems Interconnection Model. It is a conceptual model that characterizes and standardises the communication functions of a telecommunication or computing system without regard to its underlying internal structure and technology. The OSI model can be seen as a universal language for computer networking. ====The Seven Layers of the OSI Model==== ---- 600px|center|class=img-responsive =====Ap..." current
14:1614:16, 11 September 2024 diff hist −8‎ Nvidia ‎No edit summary
14:1514:15, 11 September 2024 diff hist +11,601‎ N Nvidia ‎ Created page with "Useful resources: * https://docs.kinetica.com/7.1/install/nvidia_rhel/ * https://developer.nvidia.com/blog/streamlining-nvidia-driver-deployment-on-rhel-8-with-modularity-streams/ * Good Nvidia driver installation guide: https://docs.nvidia.com/cuda/pdf/CUDA_Installation_Guide_Linux.pdf ====How to install NVIDIA driver on RHEL8 for Specific GPU model (using .run file)==== ---- The following steps uses NVIDIA's .run file. For steps on how to install nvidia-drive..."
14:0914:09, 11 September 2024 diff hist −1‎ Ntpd ‎No edit summary current
14:0914:09, 11 September 2024 diff hist +267‎ N Ntpd ‎ Created page with "Ntpd - Newtwork Time Protocol Daemon The Network Time Protocol daemon is an operating system program that maintains the system time in synchronization with time servers using the Network Time Protocol. Wikipedia configuration for ntpd: # /etc/ntp.conf,"
14:0914:09, 11 September 2024 diff hist +1,213‎ N Nmcli ‎ Created page with "Network Manager Command Line - is used for controlling NetworkManager and reporting network status. ====Check connection status of interfaces==== ---- nmcli dev status # nmcli dev status DEVICE TYPE STATE CONNECTION docker0 bridge connected docker0 virbr0 bridge connected virbr0 enp0s3 ethernet connected enp0s3 virbr0-nic ethernet disconnected -- lo loopback u..."
14:0814:08, 11 September 2024 diff hist +4,460‎ N Nmap ‎ Created page with " nmap - "Network Mapper", Network exploration tool and security/port scanner. Very useful for troubleshooting and checking if ports are open/closed/filtered. In comparison to telnet, nmap is actually smart enough that it can tell the difference between a closed port that is truly closed and a closed port behind a firewall. * closed - if a port is truly closed or down. * filtered - blocked by some firewall * open open An application..." current
14:0814:08, 11 September 2024 diff hist +3,398‎ N Nginx ‎ Created page with "https://www.tecmint.com/useful-nginx-command-examples/ https://serversforhackers.com/c/redirect-http-to-https-nginx https://linuxize.com/post/redirect-http-to-https-in-nginx/ ====How to find and check Nginx configuration==== ---- $ sudo nginx -t nginx: the configuration file /etc/nginx/nginx.conf syntax is ok nginx: configuration file /etc/nginx/nginx.conf test is successful ====How to find php.ini and www.conf==== ---- Find those full file paths using a..." current
14:0814:08, 11 September 2024 diff hist +16,794‎ N Networking and Routing ‎ Created page with " This page is mainly about useful networking/routing commands for Linux. ====/etc/sysconfig/network==== ---- Global default gateway configuration is stored in the /etc/sysconfig/network file. This file specifies gateway and host information for all network interfaces. https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/deployment_guide/ch-the_sysconfig_directory#s2-sysconfig-network https://access.redhat.com/documentation/en-us/red..." current
14:0814:08, 11 September 2024 diff hist +475‎ N NetworkManager ‎ Created page with "In RHEL7, the default networking service is provided by NetworkManager, which is a dynamic network control and configuration daemon that attempts to keep network devices and connections up and active when they are available. * Introduced in RHEL7 * Can configure network aliases IP addresses, static routes, DNS information, and VPN connections, as well as many connection-specific parameters. * Traditional ifcfg type configuration files are still supported." current

17:0917:09, 2 September 2024 diff hist +1‎ Journalctl ‎No edit summary current
17:0917:09, 2 September 2024 diff hist +850‎ Journalctl ‎No edit summary
17:0717:07, 2 September 2024 diff hist +1,082‎ Journalctl ‎No edit summary

00:4900:49, 27 August 2024 diff hist +4,211‎ N Netstat ‎ Created page with "Netstat is a useful command to learn more about the configuration of your system, and can be useful when troubleshooting connectivity issues related to the Transport and IP layer. Its great for checking your networking configuration and activity. Prints information about Linux Networking subsystems, such as routing tables, interface statistics, masquerade connections, and multicast memberships. https://www.tecmint.com/20-netstat-commands-for-linux-network-manage..." current
00:4900:49, 27 August 2024 diff hist +307‎ N Netfilter ‎ Created page with "netfilter - iptables, ufw and pf are all wrappers for netfilter, the network filtering module that provides Pre/Post routing, Input/Output, and packets forwarding. You can block packets using the filter table to route packets to other machines using the NAT table and turn the instance into a router." current
00:4800:48, 27 August 2024 diff hist +373‎ N Netcat ‎ Created page with "https://www.thegeekstuff.com/2012/04/nc-command-examples/?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%253A+TheGeekStuff+(The+Geek+Stuff) $ nc -zv dikapedia.com 443 Ncat: Version 7.50 ( https://nmap.org/ncat ) Ncat: Connected to 23.20.238.64:443. Ncat: 0 bytes sent, 0 bytes received in 0.03 seconds. To start a listening Netcat process: nc -l -p 1500" current
00:4800:48, 27 August 2024 diff hist +351‎ N NFS ‎ Created page with "NFS - Network File System ====How to set up an NFS Server and NFS Client==== ---- I haven't done this yet. I wanted to test it out but haven't gotten the chance. Try: https://www.itzgeek.com/how-tos/linux/centos-how-tos/how-to-setup-nfs-server-on-centos-7-rhel-7-fedora-22.html https://www.howtoforge.com/nfs-server-and-client-on-centos-7" current
00:4800:48, 27 August 2024 diff hist +19,830‎ N MySQL / MariaDB ‎ Created page with "MariaDB is a community-developed, commercially supported fork of the MySQL relational database management system. ADD: https://dev.mysql.com/doc/refman/8.0/en/memory-use.html ==== Installation ==== ---- yum install mariadb-server mariadb -y apt-get install mariadb mariadb-server ==== Post-install Configuration ==== ---- (Recommend running these in order) Start the MySQL service: # sysVinit service mysqld start service mariadb start # Systemd systemctl st..." current
00:4700:47, 27 August 2024 diff hist +2,128‎ N Mount ‎ Created page with "mount - Command to mount partitions. ---- ====Examples==== ---- Mounts /dev/sdb2 to /mnt/[dir], you would have to create a directory in the /mnt/ directory mount /dev/sdb2 /mnt/[dir] Unmount: umount /dev/sdb2 To view all mounts for further information: mount mount | grep -i /dev/ $ mount | grep /dev/ tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev) devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000) /dev/nvme0n1p2..." current
00:4700:47, 27 August 2024 diff hist +7,433‎ N Memory ‎ Created page with "===What is Memory?=== ---- What is memory? * Just a form of storage. * Computers have many layers of memory, the higher up you go, the slower to access: ** CPU registers (takes 1 CPU cycle) ** CPU cache, (L1, L2, L3) (takes 3 - 14 CPU cycles) ** RAM (~250 CPU cycles) ** Disk (~40 million) Physical Memory vs Virtual memory * Physical memory (aka main memory) memory is provided as a map to the OS. * This map is divided into page frames of 4KB each..." current
00:4700:47, 27 August 2024 diff hist +2,524‎ N MediaWiki ‎ Created page with "Powered by MediaWiki. Consult the [https://www.mediawiki.org/wiki/Special:MyLanguage/Help:Contents User's Guide] for information on using the wiki software. == Getting started == * [https://www.mediawiki.org/wiki/Special:MyLanguage/Manual:Configuration_settings Configuration settings list] * [https://www.mediawiki.org/wiki/Special:MyLanguage/Manual:FAQ MediaWiki FAQ] * [https://lists.wikimedia.org/mailman/listinfo/mediawiki-announce MediaWiki release m..." current
00:4600:46, 27 August 2024 diff hist +1,407‎ N MacOS ‎ Created page with "====Set Persistent $PATH==== ---- cat /etc/paths /usr/local/bin /usr/bin /bin /usr/sbin /sbin /Users/ardikas/.toolbox/bin ====How to combine split zip files (and extract them)==== ---- When you come across split files that end with sequential numbers (e.g. .001, .002, etc...), before you can use the file, you first need to join the split files together into a single, whole file. A split ZIP file could look like this, for instance: 691-5088-A.zip_.001 691-5..."
00:4100:41, 27 August 2024 diff hist +4,443‎ N MTR ‎ Created page with "https://www.linode.com/docs/networking/diagnostics/diagnosing-network-issues-with-mtr/ https://www.tecmint.com/mtr-a-network-diagnostic-tool-for-linux/ https://www.datapacket.com/blog/mtr-diagnose-network-issues ADD THIS::: https://www.datapacket.com/blog/mtr-diagnose-network-issues BEST TO RUN WITH TCP FLAG INSTEAD OF DEFAULT ICMP: [May 14, 2020, 1:41 PM] Bawezir, Ahmed: "mtr -P <tcp port> -T -w <destination ip>" When analyzing an MTR output, I loo..." current
00:4000:40, 27 August 2024 diff hist +1,145‎ N Lsusb ‎ Created page with "lsusb - list USB devices (This was on Ubuntu 22.04) USB unplugged from system: $ lsusb Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 0a5c:5842 Broadcom Corp. 58200 Bus 001 Device 002: ID 0c45:6a1d Microdia Integrated_Webcam_FHD Bus 001 Device 005: ID 8087:0033 Intel Corp. Bus 001 Device 001: ID 1d6..." current
00:3900:39, 27 August 2024 diff hist +690‎ N Lspci ‎ Created page with "lspci - list all PCI devices lspci is a utility for displaying information about PCI buses in the system and devices connected to them. It's a good way to determine the make and model of the graphics card in a system without physically inspecting the hardware is the lspci command. $ /sbin/lspci ... 00:02.0 VGA compatible controller: Intel Corporation 82865G Integrated Graphics Controller (rev 02) ... This command will usually tell you the vendor and mode..." current
00:3900:39, 27 August 2024 diff hist +3,357‎ N Lsof ‎ Created page with "$ lsof | grep -i del . . (Output cut short) . apache2 151110 www-data DEL REG 0,1 81229715 /dev/zero apache2 151110 www-data DEL REG 0,1 74060991 /dev/zero apache2 151110 www-data 8w REG 259,2 12017916902 512005 /var/log/apache2/access.log (deleted) apache2 151110 www-data 9ur REG 259,2 0 5925 /tmp/.ZendSem.SLoNkY (deleted) apache2 151112 www-data DEL REG 0,1 81229715 /dev/zero apache2 151112 www-..." current
00:3900:39, 27 August 2024 diff hist +731‎ N Lsblk ‎ Created page with " $ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT nvme0n1 259:0 0 10G 0 disk ├─nvme0n1p1 259:1 0 10G 0 part / └─nvme0n1p128 259:2 0 1M 0 part $ lsblk -f NAME FSTYPE LABEL UUID MOUNTPOINT nvme0n1 ├─nvme0n1p1 xfs / afcf1342-1d40-41bd-bde9-e4ea5d87e3b6 / └─nvme0n1p128..." current
00:3900:39, 27 August 2024 diff hist +2,301‎ N Logs ‎ Created page with "https://www.eurovps.com/blog/important-linux-log-files-you-must-be-monitoring/ ====Ubuntu Logs==== ---- https://ubuntu.com/tutorials/viewing-and-monitoring-log-files#2-log-files-locations System logs System logs deal with exactly that - the Ubuntu system - as opposed to extra applications added by the user. These logs may contain information about authorizations, system daemons and system messages. Authorization log Location: /var/log/auth.log Keeps track of auth..." current
00:3800:38, 27 August 2024 diff hist +15,492‎ N Linux Permissions ‎ Created page with "<div style='text-align: center;'>Users, Groups, and Ownership</div> ====Linux Permissions==== ---- =====What are User and Group Permissions?===== * Linux was designed to allow more than one user to have access to the system at the same time. In order for this multiuser design to work properly, there needs to be a method to protect users from each other. * Permissions are the "<..." current
00:3800:38, 27 August 2024 diff hist +63‎ N Linux Directory Structure ‎ Created page with "https://www.telecomworld101.com/Linux14-DirectoryStructure.html" current
00:3800:38, 27 August 2024 diff hist +809‎ N Less ‎ Created page with "====What is the difference between Less and More?==== ---- more is the oldest, less is an improvement and most is an improvement on that. Short comparison: more: forward navigation and limited backward navigation. less: both forward and backward navigation and also has search options. You can go to the beginning and the end of a file instantly. Plus you can switch to an editor (like open the file in vi or vim). It is noticeably quicker than editor for when the file is..." current
00:3700:37, 27 August 2024 diff hist +986‎ N Last ‎ Created page with "https://www.thegeekstuff.com/2009/03/4-ways-to-identify-who-is-logged-in-on-your-linux-system/ last command will give login history for a specific username. If we don’t give any argument for this command, it will list login history for all users. By default this information will read from /var/log/wtmp file. The output of this command contains the following columns: * User name * Tty device number * Login date and time * Logout time * Total working time $ las..." current
00:3600:36, 27 August 2024 diff hist +8,745‎ N LVM ‎ Created page with "ADD NOTES: https://xan.manning.io/2017/05/29/best-practice-for-mounting-an-lvm-logical-volume-with-etc-fstab.html (LVM snapshot can cause issues if you mount using UUID!!!) ====LVM Architecture and Terminology==== ---- lvm - Logical Volume Manager/management. * It is a storage device management technology that gives users the power to pool and abstract the physical layout of component storage devices for easier (ha) and flexible administration. * It utilizes..."
00:3600:36, 27 August 2024 diff hist +4,527‎ N LAMP Stack ‎ Created page with "==== How to install a LAMP stack: ==== ---- For Red Hat Enterprise Linux version 8: RHEL8 includes PHP 7.2 so the standard PHP is fine and Software Collections isn't needed: dnf install httpd php php-mysqlnd php-gd php-xml mariadb-server mariadb php-mbstring php-json Ubuntu 16.04.2 LTS (Xenial) and Debian Stretch include PHP 7.0, and renamed many packages from "php5" to plain "php". In addition, some PHP modules are now in separate packages (xml, mbstring): apt-get..." current
00:3600:36, 27 August 2024 diff hist +7,829‎ N Kernel ‎ Created page with "The kernel is the heart of the Linux operating system. It's responsible for scheduling running programs, file management, and security. If you have a device driver, it runs in the kernel. Networking is implemented in the kernel. This is what we mean as kernel space. The kernel's job is also to support user programs, which run in user space like shell, web browser, or similar programs. User space programs interact with a kernel through special devices or s..."
00:3600:36, 27 August 2024 diff hist +172‎ N KMS ‎ Created page with "If you suspect a KMS issue, check cloudtrail for the following events to see if there are any kms permission errors: * GenerateDataKeyWithoutPlaintext * ReEncrypt * Decrypt" current
00:3000:30, 27 August 2024 diff hist +35‎ N Jq ‎ Created page with "https://earthly.dev/blog/jq-select/" current
00:3000:30, 27 August 2024 diff hist +146‎ N Journald ‎ Created page with "Enable persistent logging: https://www.golinuxcloud.com/enable-persistent-logging-in-systemd-journald/ https://access.redhat.com/solutions/696893" current

User contributions for Ardika Sulistija

11 September 2024

2 September 2024

27 August 2024