ubuntu/var/log/File Introduction

This article briefly introduces the log files under the ubuntu/var/log/, which makes it easy to query the corresponding log when errors occur.

/var/log/alternatives.log- Update replacement information is recorded in this file

/var/log/apport.log- Application crash Logging

/var/log/apt/- information on loading and unloading software with Apt-get

/var/log/auth.log- Login Authentication log

/var/log/boot.log- contains the logs at system startup.
/var/log/btmp-Log all failed boot messages

/var/log/consolekit- Logging console information

/var/log/cpus- logs that involve all printing information

/var/log/dist-upgrade-dist-upgrade information about how this is updated

/VAR/LOG/DMESG- contains kernel buffering information (kernel ring buffer). Display hardware-related information on the screen when the system starts

/var/log/dpkg.log- includes the installation or dpkg command to clear the log of the package.

/var/log/faillog- contains user logon failure information. In addition, the error login command is also recorded in this file.

/var/log/fontconfig.log- log associated with the font configuration .

/var/log/fsck- File System log

/var/log/faillog- contains user logon failure information. In addition, the error login command is also recorded in this file.

/var/log/hp/

/var/log/install/

/var/log/jokey.log

/var/log/kern.log – Contains logs generated by the kernel to help resolve issues when customizing the kernel.

/var/log/lastlog- records the most recent information for all users. This is not an ASCII file, so you need to use the lastlog command to view the content.

/var/log/faillog– contains user logon failure information. In addition, the error login command is also recorded in this file.

/var/log/lightdm/

/var/log/mail/– This subdirectory contains additional logs for the mail server.

/var/log/mail.err- similar to the above

/var/log/news/

/var/log/pm-powersave.log

/var/log/samba/– contains information that is stored by samba.

/var/log/syss.log

/var/log/speech-dispacher/

/var/log/udev

/var/log/ufw.log

/var/log/upstart/

/var/log/uattended-upgrades/

/var/log/wtmp -Contains login information. Use wtmp to find out who is logging into the system, who uses the command to display this file or information, and so on.

/var/log/xorg.*.log- The log information from X.

ubuntu/var/log/File Description