yermachines.blogg.se - Linux redhat cheat sheet

# yum install python-pip (On RedHat based Systems) # yum install python (On RedHat based Systems) Install Pip # apt-get install python-pip (On Debian based Systems) Install Python # apt-get install Python (On Debian based Systems) Make sure you have installed python and pip before installing ‘ cheat‘ on the system.

‘ Cheat‘ has two major dependency – ‘ python‘ and ‘ pip‘. Cheat: Provides Easy Command Options Installing ‘Cheat’ in Linux Systems SELinux context associated with your userĬhange SELinux context for a desired folderĬhcon -t httpd_sys_content_t /var/What is cheat?Ĭheat is an interactive cheat-sheet application released under GNU General Public License for Linux Command line users which serves the purpose of showing, use cases of a Linux command with all the options and their short yet understandable function. Mappings between SELinux and Linux user accounts Deprecated Linux networking commands and their replacements.Using Firewalls, in RHEL 7 Security Guide.The default zone is public, which you don’t have to specify on the command line when adding/removing rules.Configuration is stored in /etc/firewalld and /usr/lib/firewalld.Actionįirewall-cmd -list-allįirewall-cmd -add-service=httpįirewall-cmd -remove-service=httpįirewall-cmd -add-port=80/tcpįirewall-cmd -remove-port=80/tcp The firewalld-cmd should run with root privileges, do always use sudo. Systemd for Administrators, Part XVII: Using the journal.

ActionĬolorized live view of boot/kernel messages Some services still write their logs to these text files and not to journald. Traditionally, logs are text files in /var/log.

So, add your user to the adm group to make viewing logs easier. However, users that are members of the adm group get access as well. On Linux distros based on systemd, logs can be viewed using the journalctl command.

Systemd for Administrators, Part IV: Killing Services.

Kill SERVICE (all processes) with SIGKILL Kill SERVICE (all processes) with SIGTERM

RHEL 7: How to get started with Systemd, at.

RedHat Enterprise Linux 7 Networking Guide.

Hostnamectl set-hostname -pretty HOSTNAME Hostnamectl set-hostname -transient HOSTNAME Hostnamectl set-hostname -static HOSTNAME

Pretty: free form, for presentation to the user.

Default value is the static host name, can be set by e.g.

Static: “traditional” host name, stored in /etc/hostname.

(*) This example is actually a workaround for a bug that causes NetworkManager 0.9.9 to manage virtual network interfaces. That means using systemd, NetworkManager, journald, etc. For every action, I try to give the ‘canonical’ command, as recommended by RedHat. View the Project on GitHub bertvv/cheat-sheets Enterprise Linux 7 (RedHat, CentOS)Ĭommand cheat sheet for EL7.