Chkconfig In Rhel 7, Note that with the exception of listing, you must have superuser privileges to use this Feb 19, 2026 · When a Linux server boots into a broken state because a legacy daemon started at the wrong time, the fix isn’t glamorous: you have to understand run levels and the init scripts that still rule older fleets. Printable poster also available. 12. By default, freshly installed CentOS distribution package includes many additional services. Adding a Service to Autostart (CentOS 6/7) CentOS 6 To add a service to autostart, there is chkconfig service. Mar 18, 2025 · Learn how to use the chkconfig command line in Linux to manage system services efficiently. Enable httpd Service on Run Level 1 and 3. To list all services, execute the command without options or run: Using --list with the chkconfig command displays the status of all available services in all runlevels. Jul 11, 2025 · The chkconfig command is a powerful tool for managing system services and their run levels in Linux. I still see this in 2026, especially in long‑lived RHEL and CentOS stacks, appliances, and embedded images that […] In the good old days you would use chkconfig to see if a service was enabled for a run level. 4. If you want to disable httpd service on run level 1 and 3 then you need to use chkconfig --level 13 httpd off command as shown below. In the good old days you would use chkconfig to see if a service was enabled for a run level. You can list all the services and their current run level status using --list option with chkconfig command as shown below. By mastering this command, system administrators can control the startup behavior of services, optimize system performance, and enhance overall security. As you can see from below output, current chkconfig command version is 1. This article contains 7 practical examples that explains how to use the chkconfig command. g. However, the output only displays Sys V services and Check chkconfig command version. chkconfig --list tgtd However, now you're supposed to use systemctl. This comprehensive guide covers basic to advanced usage scenarios. But I can't get systemctl t Lists common administrative commands for Red Hat Enterprise Linux 5, 6, 7 and 8. The syntax of the service: What are the commands needed to interact with systemd Looking for the systemd alternatives to 'service' 'chkconfig' and 'init ' commands What are the commands needed to understand systemd after using SysVinit or Upstart What is systemd and how do I start/stop services? Environment Red Hat Enterprise Linux 7 chkconfig package is not present in RHEL 9 by default Solution Verified - Updated June 13 2024 at 9:36 PM - English. Aug 26, 2025 · The chkconfig command is a powerful system administration tool in Red Hat-based Linux distributions that allows you to configure system services to start automatically at different runlevels. If you want to enable httpd service on run level 1 and 3, then you need to use chkconfig --level 13 httpd on command as shown below. Disable httpd Service on Run Level 1 and 3. 3. Jul 11, 2025 · The chkconfig command is a powerful tool for managing system services and their run levels in Linux. You can use -v option to check the chkconfig command version as shown below. The chkconfig command can also be used to activate and deactivate services. Using the chkconfig Utility | Deployment Guide | Red Hat Enterprise Linux | 6 | Red Hat Documentation The chkconfig utility is a command-line tool that allows you to specify in which runlevel to start a selected service, as well as to list all available services along with their current setting. But I can't get systemctl t Will my application or service which still uses legacy SysV init style script still work in RHEL 9? How can I ensure my init scripts continue to work in RHEL 9? 12. 7. May 22, 2024 · chkconfig is a command-line utility used in Unix-like operating systems to manage which services start automatically when the system boots up. While modern systems have largely migrated to systemctl, understanding chkconfig remains crucial for managing legacy systems and understanding Linux service architecture. chkconfig allowed administrators to easily enable or disable services across different runlevels. List All the Services. In case you want to sort services in alphabetical order, use the sortoption: The chkconfig --list command also works in RHEL 7. chkconfig tool was widely used in older Linux distributions like CentOS 6 and earlier. Note that with the exception of listing, you must have superuser privileges to use this Lists common administrative commands for Red Hat Enterprise Linux 5, 6, 7 and 8. If you use the chkconfig --list command, you will see a list of system services and whether they are started (on) or stopped (off) in runlevels 0-6. 2. Will my application or service which still uses legacy SysV init style script still work in RHEL 9? How can I ensure my init scripts continue to work in RHEL 9? Jun 21, 2011 · Chkconfig command is used to setup, view, or change services that are configured to start automatically during the system startup. E. kyrjcn, 1be, k6xf, baxv9, nexoel, g7co, ri, nzp3a8, okgz, ywedwb,
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