What permissions should var log have?

What permissions should var log have?

4 Answers. The default permission for /var is 755 = rwxr-xr-x : readable and executable (you need both for a directory) by everyone, and only writable by root.

What does var log syslog contain?

/var/log/syslog or /var/log/messages: Shows general messages and info regarding the system. Basically a data log of all activity throughout the global system. Know that everything that happens on Redhat-based systems, like CentOS or Rhel, will go in messages.

What will tall 10 var log syslog command do?

The tail command is probably one of the single most handy tools you have at your disposal for the viewing of log files. What tail does is output the last part of files. So, if you issue the command tail /var/log/syslog, it will print out only the last few lines of the syslog file.

How do I find the VAR log in syslog?

Issue the command var/log/syslog to view everything under the syslog. Zooming in on a specific issue will take a while, since these files tend to be long. You can use Shift+G to get to the end of the file, denoted by “END.”

How do I give permission to log in Linux?

If multiple users need access, set a new or existing group ID (GID) as the file’s GID, and set the permissions to allow members of the group to have read access, write access, or both. The file or directory UID and GID can be set with the chown command. Be sure to give the syslogd user ID write access to the log files.

How do you configure permissions of log files created by Rsyslog?

For CentOS/RHEL 6 and 7 (using rsyslogd version >3)

1. Check the current permissions of the /va/log/messages file:
2. Edit the /etc/rsyslog.
3. Lets move the current /var/log/messages file to some other location.
4. Restart the rsyslog service to generate a new /var/log/messages file.
5. Check the permission of the file again.

Is it safe to delete var log syslog?

Safely clear the logs: after looking at (or backing up) the logs to identify your system’s problem, clear them by typing > /var/log/syslog (including the > ). You may need to be root user for this, in which case enter sudo su , your password, and then the above command).

What is syslog user?

Syslog is a standard for sending and receiving notification messages–in a particular format–from various network devices. The messages are sent across IP networks to the event message collectors or syslog servers. Syslog uses the User Datagram Protocol (UDP), port 514, to communicate.

How do I give permission to var folder in Linux?

sudo gives you administrative permission as /var is under root directory. Change the ownership of that directory to your user account by following command sudo chown -R “YOUR_USER_ACCOUNT” /var/www.

What is the default permission?

As you might remember, the default file permission value is 0644, and the default directory’s is 0755. The default umask value is subtracted from the overall file/directory default value. You can set the umask values in /etc/profile or in ~/.

What is the difference between VAR log messages and VAR log syslog?

log captures only the kernel’s messages of any loglevel; i.e. the output of dmesg . /var/log/messages instead aims at storing valuable, non-debug and non-critical messages. This log should be considered the “general system activity” log. /var/log/syslog in turn logs everything, except auth related messages.

What is a VAR log?

The most important log file in Linux is the /var/log/messages file, which records a variety of events, such as the system error messages, system startups and shutdowns, change in the network configuration, etc. This is usually the first place to look at in case of problems.

How to change the log file permissions of syslogd?

1. The “ create xxxx ” directive in /etc/logrotate.d/syslog config file controls the permission of log files managed by syslogd daemon. 2. The example below shows how to change the permission on /var/log/messages to 644 (world readable).

What is the default permissions of/var/log/messages?

By default, /var/log/messages* are created with read-write permissions for ‘root’ user only. There might be a requirement to make the log files world readable for eg to allow an application to read and process the data in it.

What permissions does rsyslog need to create a file?

By default $FileCreateMode directive is compiled in as 0644, which ideally should create files managed by rsyslog with permission 644, but since actual permission depend on rsyslogd’s process umask, all files gets created with 600 permissions.

How to create a new section for/var/log/messages?

First, Remove the /var/log/messages from the main section in the file /etc/logrotate.d/syslog, and Create a new section for /var/log/messages as shown below and append it to the same file.