How to view logs in a Linux system (common commands)

MV *./html/Path

Copy from local to remote

scp/home/daisy/full.tar.gz [Email Protected]:/home/root (You will then be prompted to enter the login password of the root user of the other 172.19.2.75 host, and then the copy is copied), copy the directory plus the parameter-R

Copy from remote to local

SCP [Email protected]/172.19.2.75:/home/root/full.tar.gz/home/daisy/full.tar.gz

Pass folder with-R parameter otherwise there is not a regular file error

Scp-r bdump [Email protected]:bdump

SSH [email protected]

./xampp-linux-x64-5.6.14-0-installer.run

chmod 777 Xampp-linux-x64-5.6.14-0-installer.run

Start Xampp:

# /opt/lampp/lampp start

Stop XAMPP:

# /opt/lampp/lampp stop

Uninstall XAMPP:

# /opt/lampp/lampp stop# rm -rf /opt/lampp

Cat
Tail-f

Log file description
/var/log/message system startup information and error log, which is one of the most commonly used logs in red Hat Linux
/var/log/secure Security-related log information
/var/log/maillog message-related log information
/var/log/cron log information related to timed tasks
/var/log/spooler log information related to UUCP and news devices
/var/log/boot.log Daemon starts and stops related log messages


System:
# uname-a # View kernel/Os/cpu information
# cat/etc/issue
# cat/etc/redhat-release # view OS version
# cat/proc/cpuinfo # View CPU Information
# hostname # View computer name
# LSPCI-TV # list all PCI devices
# LSUSB-TV # list all USB devices
# lsmod # List of loaded kernel modules
# env # View Environment variables
Resources:
# free-m # View memory usage and swap area usage
# df-h # View the usage of each partition
# du-sh < directory name > # View the size of the specified directory
# grep Memtotal/proc/meminfo # View Total Memory
# grep Memfree/proc/meminfo # View the amount of free memory
# uptime # View System uptime, number of users, load
# cat/proc/loadavg # View System load
Disks and partitions:
# Mount | COLUMN-T # Viewing the status of a mounted partition
# fdisk-l # View all partitions
# swapon-s # View all swap partitions
# hdparm-i/dev/hda # View disk parameters (for IDE devices only)
# DMESG | grep IDE # View IDE device detection status at startup
Internet:
# ifconfig # View the properties of all network interfaces
# iptables-l # View firewall settings
# route-n # View the routing table
# netstat-lntp # View all listening ports
# NETSTAT-ANTP # View all established connections
# netstat-s # View Network statistics
Process:
# ps-ef # View All Processes
# top # Real-time display of process status (in another article there is a detailed introduction)
User:
# w # View active Users
# ID < user name > # view specified user information
# last # View user log in log
# cut-d:-f1/etc/passwd # View All users of the system
# cut-d:-f1/etc/group # View all system groups
# crontab-l # View Current user's scheduled tasks
Service:
# chkconfig–list # List all system services
# Chkconfig–list | grep on # Lists all startup system services
Program:
# rpm-qa # View all installed Packages

Original address: http://help.lampok.net/log/?p=826

How to view logs in a Linux system (common commands)