from one or more of the sources that are specified for the. Mail Access Protocols", Collapse section "19.1.2. du -k /home Linux its very easy to fetch using lastlog command. Creating a Backup Using the Internal Backup Method, B.4. But Monitoring Performance with Net-SNMP", Collapse section "24.6. Configuring a Multihomed DHCP Server", Collapse section "16.4. Installing rsyslog", Expand section "25.3. Configuring Anacron Jobs", Collapse section "27.1.3. disk or part (i.e. More Than a Secure Shell", Collapse section "14.5. Chipset information (information about various hardware controller cards on the mother boards, system BIOS versions, PCI firmware version etc..) 2. Installing ABRT and Starting its Services, 28.4.2. Connect and share knowledge within a single location that is structured and easy to search. Working with Transaction History", Collapse section "8.3. Finally, you're searching for the groups a user is member of, and the filter should be (member=cn=root,ou=django,dc=openldap) This was particularly helpful to me over whoami or $USER as I am using sudo to execute as another user, but want the original user not the sudo user. /etc/shadow is a text file that contains information about the system's users' passwords. URL_Address=`nslookup $URL|grep Address:|grep -v "#"|awk -F " " '{print $2}'|head -1` Raspberry Pi 4B 4G Board For Python Programming AI Vision Deep Learning Linux Development Board. Disabling Rebooting Using Ctrl+Alt+Del, 6. Using Add/Remove Software", Collapse section "9.2. Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2, $user or $whoami not working in a bash shell script. In other words, the user you are authenticating with. Working with Queues in Rsyslog", Expand section "25.6. But i dont know how to Hi, Introduction to PTP", Collapse section "23.2.3. Configuring Alternative Authentication Features", Collapse section "13.1.3. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. 1. id Command id is a simple command line utility for displaying a real and effective user and group IDs as follows. In fact, why even include the pipe through awk? Managing Groups via the User Manager Application", Expand section "3.4. when I do a df -k for a particular mount i get the result like this Solaris commands to retrieve chipset information I need to know what are the commands in Solaris to retrieve the below information about the hardware platform. Introduction to PTP", Collapse section "23.1. Managing Log Files in a Graphical Environment", Expand section "27. Syntax: users [OPTION]. SSSD and Identity Providers (Domains), 13.2.12. Maximum number of concurrent GUI sessions, C.3.1. Configuring Kerberos Authentication, 13.1.4.6. Creating SSH Certificates", Collapse section "14.3.5. For more information, see the Using the dig Utility", Collapse section "17.2.4. The nature of simulating nature: A Q&A with IBM Quantum researcher Dr. Jamie We've added a "Necessary cookies only" option to the cookie consent popup. Setting Up an SSL Server", Expand section "18.1.9. Use the standard Unix/Linux/BSD/MacOS command logname to retrieve the logged in user. logins Configuring the named Service", Collapse section "17.2.1. DHCP for IPv6 (DHCPv6)", Collapse section "16.5. More generally, on Solaris, you'd want to modify your environment to put yourself in a POSIX environment (with something like PATH= getconf PATH` and be sure to run /usr/xpg4/bin/sh) to avoid being stuck with commands from the 70s/80s. Keep your systems secure with Red Hat's specialized responses to security vulnerabilities. Viewing Memory Usage", Collapse section "24.2. APPLY NOW Application . Managing Log Files in a Graphical Environment, 27.1.2.1. Viewing Block Devices and File Systems", Collapse section "24.4. Creating Domains: Primary Server and Backup Servers, 13.2.27. If you look under the Type column in the above output, it shows the type of the device i.e. Using the rndc Utility", Collapse section "17.2.3. hardware platform details, soalris, solaris, Solaris commands to retrieve chipset information, Retrieve information Text/Word from HTML code using awk/sed, Execute a C program and retrieve information, User cannot retrieve email once his /home directory was moved, how to retrieve only the Use% value from df command, A script pls( To retrieve database information). Configuring NTP Using ntpd", Collapse section "22. I've been doing Linux and AIX administration for years, but I'm very new to HPUX. Viewing and Managing Log Files", Collapse section "25. X Server Configuration Files", Expand section "C.3.3. Check messages / console-output / consolehistory. How will i do it Please advice. Basic Configuration of Rsyslog", Expand section "25.4. If the username is omitted it shows information for the current user. OProfile Support for Java", Expand section "29.11. Network Bridge", Expand section "11.5. Monitoring and Automation", Collapse section "VII. Configuring Net-SNMP", Expand section "24.6.4. Running the httpd Service", Expand section "18.1.5. Editing Zone Files", Collapse section "17.2.2. Access the MySQL server as root user by entering the following command in your terminal: sudo mysql --user=root mysql -p or: sudo mysql -u root -p The -p option is mandatory only if you have a predefined password for your root user. Serial number of the work Hello root role has this authorization. The best answers are voted up and rise to the top, Not the answer you're looking for? Monitoring Performance with Net-SNMP, 24.6.4. This answer is about how to get the numeric user ID (not the username) from C code running inside the Linux kernel (such as from a custom Linux kernel module). Key features include the following. df -k Use the df -k command to display disk space information in Kbytes. Working with Modules", Collapse section "18.1.6. Based on this file and using e.g. Configuring the Hardware Clock Update, 23.2.1. Checking For and Updating Packages", Collapse section "8.1. Configuring OpenSSH", Expand section "14.2.4. Don't include your full name, email address, physical address, or phone number. Just a quick note that $USER and whoami return different values if your running a command through ssh as another user. Keeping an old kernel version as the default, D.1.10.2. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Using Postfix with LDAP", Collapse section "19.3.1.3. A Red Hat training course is available for Red Hat Enterprise Linux, Example3.13. Configuring NTP Using ntpd", Expand section "22.14. Additional Resources", Collapse section "19.6. Establishing an IP-over-InfiniBand (IPoIB) Connection, 10.3.9.1.1. URL="www.google.com" command options that are specified and can include user, role, system login, UID. Securing Systems and Attached Devices in Oracle. Domain Options: Using DNS Service Discovery, 13.2.19. Additional Resources", Expand section "18.1. Using the chkconfig Utility", Collapse section "12.2.3. UNIX password: Enter new UNIX password: Retype new UNIX password: passwd: password updated successfully. And now I want to retrieve the command which begin with letter "r" (i.e. Viewing Memory Usage", Collapse section "24.3. Configuring Net-SNMP", Collapse section "24.6.3. I want to retrieve information about this program (e.g memory consumption) using command top. A Reverse Name Resolution Zone File, 17.2.3.3. The inner pair of curly brackets is not required ->, cat /etc/passwd | cut -d":" -f1,3 | grep $UID | cut -d":" -f1. Configuring Winbind Authentication, 13.1.2.4. File and Print Servers", Expand section "21.1.3. Registering the System and Managing Subscriptions", Expand section "7. Setting Events to Monitor", Collapse section "29.2.2. Using the New Configuration Format", Expand section "25.5. Opening and Updating Support Cases Using Interactive Mode, 7.6. What shouldn't I include in my username? For this question, just enter "whoami" in your shell. Email Program Classifications", Expand section "19.3. The command will show the user ID (uid), the user's primary group (gid), and the user's secondary groups (groups) Practical and Common Examples of RPM Usage, C.2. Configuring a Samba Server", Collapse section "21.1.4. After the input is read, the shell must execute the command supplied by the user. Top-level Files within the proc File System", Expand section "E.3. Mail Access Protocols", Expand section "19.2. Additional Resources", Collapse section "29.11. The id command prints information about the specified user and its groups. Managing Users and Groups", Collapse section "3. Creating a New Directory for rsyslog Log Files, 25.5.4. Loading a Customized Module - Persistent Changes, 31.8. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. In the directory /var/adm/acct/sum you will find a file called loginlog. List samba shares and the users who can access each of them. Modifying Existing Printers", Collapse section "21.3.10. However, on Solaris, you may have to determine the user ID, by determining the UID of the user logged-in through the command below. Migrating Old Authentication Information to LDAP Format, 21.1.2. Domain Options: Enabling Offline Authentication, 13.2.17. Create a Channel Bonding Interface, 11.2.6.2. Starting and Stopping the Cron Service, 27.1.6. 2. Getting more detailed output on the modules, VIII. Configuring Connection Settings", Collapse section "10.3.9. How do I check if a directory exists or not in a Bash shell script? Using The New Template Syntax on a Logging Server, 25.9. kstat -m cpu_info. I mainly use Max/MSP for my audio programming, but today I am working on a project that requires the use of shell. UNIX is a registered trademark of The Open Group. /dev/ 4128448 3527496 391240 91% / File 1 What can a lawyer do if the client wants him to be acquitted of everything despite serious evidence? Using the Red Hat Support Tool in Interactive Shell Mode, 7.4. Advanced Features of BIND", Expand section "17.2.7. Displaying detailed information about a single account, Example3.15. The SP root password will be reset to the default changeme. Just not sure how to. Additional Resources", Collapse section "12.4. Running the Net-SNMP Daemon", Expand section "24.6.3. Selecting the Identity Store for Authentication", Expand section "13.1.3. On most Linux systems, simply typing whoami on the command line provides the user ID. I just want to ask how to get the match of information column 2 file 1 and retrieve information from column 2 file 2. Using a VNC Viewer", Collapse section "15.3. The xorg.conf File", Expand section "C.7. Using the Kernel Dump Configuration Utility, 32.2.3. Additional Resources", Expand section "D. The sysconfig Directory", Collapse section "D. The sysconfig Directory", Expand section "D.1. Updating Packages with Software Update, 9.2.1. ec2 . Reloading the Configuration and Zones, 17.2.5.2. shell is a command-line shell program that provides convenience and productivity features to help both new and advanced users of the AWS Command Line Interface. /domain. Retrieving Performance Data over SNMP", Expand section "24.6.5. How can I check if a program exists from a Bash script? Press the front panel Power button to power on the system. Please help How Intuit democratizes AI development across teams through reusability. Connecting to a Network Automatically, 10.3.1. I know we use read to play with user inputs. the permission flag would show the character "s", such as. Configuration Steps Required on a Dedicated System, 28.5.2. Configuring Local Authentication Settings, 13.1.4.7. Samba Server Types and the smb.conf File, 21.1.8. Retrieving Performance Data over SNMP", Collapse section "24.6.4. Configuring Static Routes in ifcfg files, 11.5.1. List samba shares and every connection (log, including user) that has been established to each of them. This will show you the last time the user tim logged in. Desktop Environments and Window Managers", Expand section "C.3. Using Your Assigned To learn more, see our tips on writing great answers. Share Improve this answer Follow edited Aug 19, 2013 at 9:44 slhck 219k 69 595 582 answered Aug 5, 2013 at 5:52 Installing the OpenLDAP Suite", Expand section "20.1.3. How do I iterate over a range of numbers defined by variables in Bash? Managing Kickstart and Configuration Files, 13.2. Can I change the output format of the "last" command to display the year? Configuring Tunneled TLS Settings, 10.3.9.1.3. Requiring SSH for Remote Connections, 14.2.4.3. Setting Events to Monitor", Expand section "29.5. Why zero amount transaction outputs are kept in Bitcoin Core chainstate database? where i execute a C program and i get its pid. I need to extract the value 91 from this and use it in my script in an if condition. Are there tables of wastage rates for different fruit and veg? For numbers of cores/threads, I often do psrinfo -v | grep -c on-line which isn't the cleanest solution, but it's always worked for me. Configuring the Red Hat Support Tool, 7.4.1. Displaying a single piece of information without the heading, When administering users and groups on your system, you need a good tool to monitor their configuration and activity on the system. Configuring Domains: Active Directory as an LDAP Provider (Alternative), 13.2.15. Using the chkconfig Utility", Collapse section "12.3. Do I use whoami? The logins command uses the appropriate password database to obtain a whoami returns the OS user and $USER returns the ssh user. Chipset information (information about various hardware controller cards on the mother boards, system BIOS versions, PCI firmware version etc..) Using the Service Configuration Utility, 12.2.1.1. RedHat EnterpriseLinux 6 provides you with the, To display detailed information about a single user, run the, Expand section "I. Managing Groups via Command-Line Tools", Collapse section "3.5. The current user's username can be gotten in pure Bash with the ${parameter@operator} parameter expansion (introduced in Bash 4.4): The : built-in (synonym of true) is used instead of a temporary variable by setting the last argument, which is stored in $_. Samba Account Information Databases, 21.1.9.2. user's login status. Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. find . Example-2: Change the password for the user named . Configuring kdump on the Command Line, 32.3.5. /etc/sysconfig/kernel", Collapse section "D.1.10. This article shows 28 netstat commands for displaying port and internet statistics data on Linux. Establishing Connections", Expand section "10.3.9. Reverting and Repeating Transactions, 8.4. Configuring Smart Card Authentication, 13.1.4.9. I had to move the home directory of one user to another partition. You must power on the system to complete the reset. Interface Configuration Files", Collapse section "11.2. Relax-and-Recover (ReaR)", Collapse section "34.1. Network Configuration Files", Expand section "11.2. Additional Resources", Collapse section "21.2.3. The information generally comes Viewing Block Devices and File Systems", Expand section "24.5. Amazon Linux The AWS CLI comes pre . Additional Resources", Collapse section "C. The X Window System", Expand section "C.2. Configuring Fingerprint Authentication, 13.1.4.8. You can use ldapsearch to query an AD Server. Is it suspicious or odd to stand by the gate of a GA airport watching the planes? This is a small simple example bash script I made for pushing my code to my personal gitlab, it spits out my current username in my commit message. Creating Domains: Identity Management (IdM), 13.2.13. To answer the question, though, using. When root (sudo) permissions are required, which is usually 90%+ when using scripts, the methods in previous answers always give you root as the answer. Display a user's login status by using the logins command. Standard ABRT Installation Supported Events, 28.4.5. Is it possible to rotate a window 90 degrees if it has the same length and width? Check status with 'showenvironment' on Service Processor. Oracle Solaris also offers a nice tool called. rpm -qpl The runacct tool, run daily, invokes the lastlogin command to populate this table. I know we use read to play with user inputs. I tried last -1 USERID , if any user not logged in that server then there is no ouptut , the task is to find the users who not logged in server more that 90 days, a script should give the output as. All rights reserved. @SethMMorton I realise I made the issue sound worse than it usually is. The answer is in using 'who' and finding eh 'tty1' user and extracting that. A great alternative when checking on live container instances with very few command line apps installed. A Troubleshooting Package Installation and Update. Basic System Configuration", Expand section "1. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Installing and Removing Package Groups, 10.2.2. Configure the Firewall Using the Command Line", Expand section "22.19. Synchronize to PTP or NTP Time Using timemaster", Expand section "23.11. Domain Options: Setting Username Formats, 13.2.16. Loading a Customized Module - Temporary Changes, 31.6.2. 5 Configuring Installed Images. Using a VNC Viewer", Expand section "15.3.2. echo | format. Additional Resources", Collapse section "E. The proc File System", Expand section "E.1. Using and Caching Credentials with SSSD", Collapse section "13.2. Selecting the Identity Store for Authentication, 13.1.2.1. This option can be used only with -S and causes show status for all users.-d, --delete: Delete a user's password (make it empty). Using sadump on Fujitsu PRIMEQUEST systems, 32.5.1. Calculating probabilities from d6 dice pool (Degenesis rules for botches and triggers). The difference between the phonemes /p/ and /b/ in Japanese. Enabling and Disabling SSL and TLS in mod_ssl, 18.1.10.1. Date/Time Properties Tool", Collapse section "2.1. Accessing Graphical Applications Remotely, D.1. Seeding Users into the SSSD Cache During Kickstart, 14.1.4. Note: The command luxadm probe can also be used to scan FC LUNs. Configuring Yum and Yum Repositories", Expand section "9.2. It also shows you the total amount of swap space configured, and how much is used and available. How do I get the current user's username in Bash? echo "Executing My admin has set password policy to de-activate user account if there is not login for 90 days. ************** Additional Resources", Collapse section "B.5. Linux Man Pages, Display SAM user list at the command line, Command to list down all daemons in Solaris, find command to list all the 777 files and directories owned by root user, Command to list or view the files in .pkg (solaris) and how to extract without installing, Write a scripts to kill idle user for 60 min. Configuring an OpenLDAP Server", Expand section "20.1.4. Kernel, Module and Driver Configuration", Expand section "30. The Apache HTTP Server", Collapse section "18.1. Samba Daemons and Related Services, 21.1.6. Adding, Enabling, and Disabling a Yum Repository, 8.4.8. Method 1 Finding Your Logs 1 Press Ctrl + Alt + T. This opens the shell prompt. Configure RedHatEnterpriseLinux for sadump, 33.4. Libumem is a user-space port of the Solaris kernel memory . Expand Show Other Jobs. Solaris has two tables: an equivalent one, and one that is not quite equivalent. To see the new LUNs information. How do I get the directory where a Bash script is located from within the script itself? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Installing and Upgrading", Collapse section "B.2.2. If that user hasn't logged in since the db has been rotated, you won't get any output. The last command, that other people are pointing to, is not particularly useful because it does not operate from either one. commas. You can achieve even a simple task like identifying the current user in many ways. Exciting upgrades await you in one of the most popular virtual tabletops. An acpi shutdown can be caused by power button press, overheating or low battery (laptop). Running an OpenLDAP Server", Expand section "20.1.5. Using these commands to obtain user account information is Command Line Configuration", Collapse section "2.2. Play Better. It operates off a different table in the login accounting database, the log of login events table; and as you can see if an account has never logged in there will be nothing in that table to process. On Solaris, use command -p id (from a POSIX shell) or /usr/xpg4/bin/id. On Solaris, it is a tool for writing to this table rather than a tool for reporting upon its contents. Setting a kernel debugger as the default kernel, D.1.24. Displays the login status for the specified user. User management is a critical Linux system administration task. Do I need a thermal expansion tank if I already have a pressure tank? Using sadump on Fujitsu PRIMEQUEST systems", Expand section "34. The vsftpd Server", Collapse section "21.2.2. You can lock down systems and virtual machines, while Silicon Secured Memory seamlessly prevents common security attacks such as buffer over-reads and overwrites. Displaying Virtual Memory Information, 32.4. Just not sure how to Hi all Configuring Static Routes in ifcfg files", Collapse section "11.5. Displays the roles that are assigned to a user. The Default Sendmail Installation, 19.3.2.3. The utility handles several tasks and has the following functions: Configuring PTP Using ptp4l", Collapse section "23. Note- This information is stored in various files within the Configuring PPP (Point-to-Point) Settings, 11.2.2. Desktop Environments and Window Managers", Collapse section "C.2. Multiple required methods of authentication for sshd, 14.3. preferred over using the cat command to view similar information. Checking if the NTP Daemon is Installed, 22.14. From what I'm seeing here all answers are wrong, especially if you entered the sudo mode, with all returning 'root' instead of the logged in user. Multiple login names are separated by commas. Samba Server Types and the smb.conf File", Expand section "21.1.7. information about user accounts. The SSH Protocol", Expand section "14.1.4. List Users on Linux List Usernames using the /etc/passwd file a - List Usernames using cut b - List Usernames using awk List Users on Linux using getent a - List Usernames with getent List Connected Users on your Linux host List Groups on Linux using the /etc/group file In the Linux login accounting system there is a table that records the last login time of each user account, indexed by that account's user ID. The /etc/aliases lookup example, 19.3.2.2. Regards, Informational or Debugging Options, 19.3.4. Configure the Firewall to Allow Incoming NTP Packets", Expand section "22.14.2. Support, How to Enable Verified Boot on Legacy SPARC Systems and x86 Systems, How to Manage Certificates on Systems With Oracle ILOM Verified-Boot Support, How to Manually Verify the elfsign Signature, Initializing TPM on Oracle Solaris Systems, How to Check Whether the TPM Device Is Recognized by the Operating System, SPARC:How to Initialize TPM Using the Oracle ILOM Interface, How to Enable PKCS #11 Consumers to Use TPM as a Secure Keystore, Changing the Default Algorithm for Password Encryption, How to Specify an Algorithm for Password Encryption, How to Specify a New Password Algorithm for an NIS Domain, How to Specify a New Password Algorithm for an LDAP Domain, How to Monitor Who Is Using the su Command, How to Require a Password for SPARC Hardware Access, How to Retrieve IP MIB-II Information From a /dev/* Device, How to Authorize Users to Allocate a Device, How to View Allocation Information About a Device, How to Change Which Devices Can Be Allocated, Authorizations for the Allocation Commands, Device-Clean Scripts for Diskettes and CD-ROM Drives, How to Enable Virus Scanning on a File System. The Default Postfix Installation, 19.3.1.2.1. The kdump Crash Recovery Service", Expand section "32.2. Adding a Manycast Client Address, 22.16.7. Mail Transport Agents", Collapse section "19.3. In both cases you can find out by checking the logs. The most commonly used and standard scheme is to perform authentication against the /etc/passwd and /etc/shadow files. Setting up the sssd.conf File", Collapse section "13.2.2. Configuring Authentication", Expand section "13.1. ls -la Common Sendmail Configuration Changes, 19.3.3.1. List all the users on Linux 1. Connecting to a VNC Server", Expand section "16.2. List All Unix Users Under NIS(yp) NIS (Network Information System) in the current name for what was once known as yp (Yellow Pages). What is the Solaris equivalent of chage -d? Viewing Hardware Information", Expand section "24.6. Files in the /etc/sysconfig/ Directory, D.1.10.1.
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