![]() The default grep prints the matching content on the output with the respective file names. Using the -r switch grep to search for pattern recursively for all files under the specified directory and their subdirectories. Grep uses -i option to run a case-sensitive search. For example: cat /etc/passwd | grep "bash" Grep command can also take the output of another command as input using pipes. Search all users under /etc/passwd have the bash shell. The grep command-line utility is used for searching content from files based on a pattern or regular expression. ![]() # NOTE: Before 2.3, option 'dest', 'destfile' or 'name' was used instead of 'path' - name : Ensure SELinux is set to enforcing mode : path : /etc/selinux/config regexp : '^SELINUX=' line : SELINUX=enforcing - name : Make sure group wheel is not in the sudoers configuration : path : /etc/sudoers state : absent regexp : '^%wheel' - name : Replace a localhost entry with our own : path : /etc/hosts regexp : '^127\.0\.0\.1' line : 127.0.0.1 localhost owner : root group : root mode : '0644' - name : Replace a localhost entry searching for a literal string to avoid escaping : path : /etc/hosts search_string : '127.0.0.1' line : 127.0.0.1 localhost owner : root group : root mode : '0644' - name : Ensure the default Apache port is 8080 : path : /etc/httpd/conf/nf regexp : '^Listen ' insertafter : '^#Listen ' line : Listen 8080 - name : Ensure php extension matches new pattern : path : /etc/httpd/conf/nf search_string : '' insertafter : '^\t\n' line : ' ' - name : Ensure we have our own comment added to /etc/services : path : /etc/services regexp : '^# port for http' insertbefore : '^: path : /tmp/testfile line : 192.168.1.99 foo create : yes # NOTE: Yaml requires escaping backslashes in double quotes but not in single quotes - name : Ensure the JBoss memory settings are exactly as needed : path : /opt/jboss-as/bin/nf regexp : '^(.*)Xms(\d+)m(.The Linux grep command stands for “ Global Regular Expression Print“. Specifying mode is the best way to ensure filesystem objects are created with the correct permissions. If mode is not specified and the destination filesystem object does exist, the mode of the existing filesystem object will be used. If mode is not specified and the destination filesystem object does not exist, the default umask on the system will be used when setting the mode for the newly created filesystem object. Giving Ansible a number without following either of these rules will end up with a decimal number which will have unexpected results.Īs of Ansible 1.8, the mode may be specified as a symbolic mode (for example, u+rwx or u=rw,g=r,o=r). Adding a leading zero (for example, 0755) works sometimes, but can fail in loops and some other circumstances. For consistent results, quote octal numbers (for example, '644' or '1777') so Ansible receives a string and can do its own conversion from string into number. You must give Ansible enough information to parse them correctly. The permissions the resulting filesystem object should have.įor those used to /usr/bin/chmod remember that modes are actually octal numbers. Controlling how Ansible behaves: precedence rules.Collections in the Theforeman Namespace.Collections in the T_systems_mms Namespace.Collections in the Servicenow Namespace.Collections in the Purestorage Namespace.Collections in the Openvswitch Namespace.Collections in the Netapp_eseries Namespace. ![]() Collections in the Kubernetes Namespace.Collections in the Junipernetworks Namespace.Collections in the F5networks Namespace.Collections in the Containers Namespace.Collections in the Cloudscale_ch Namespace.Collections in the Chocolatey Namespace.Collections in the Check_point Namespace.Virtualization and Containerization Guides.Protecting sensitive data with Ansible vault. ![]()
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