25 Quick Linux Command Line Tips - Part 5

[PiNoY]

As root, issue the CLI command

 

101. How to have a stop watch scenario from command line terminal?

 

# time cat

 

Press Ctrl+C

 

102. How to measure the time of executing any executable command?

 

# time firefox

 

wait 5 seconds and close the application

 

103. How to CD to a user's home directory?

 

# cd ~userhome

 

104. How to CD back to home folder of a currently logged in user?

 

# cd

 

105. How to CD back to previous directory?

 

# cd -

 

106. How to show all active host IP address?

 

# ip address

 

107. How to list out all your iptables rules?

 

# iptables -L

 

8. How to save your currently loaded firewall iptable rules?

 

# iptables-save

 

109. How to download a file using wget?

 

# wget -c "http://website.com/file.rpm"

 

100. How to limit your download rate with wget?

 

# wget --limit-rate=30k "http://vertito.com/file.rpm"

 

111. How to download multiple files in one shot?

 

# wget -c "ftp://website.com/file[1-9].iso

 

112. How to find windows machine with shared folders?

 

# findsmb

 

113. How to look for windows netbios name?

 

# nmblookup -A windows-ip-address

 

114. How to browse for computers like network neighborhood does?

 

# smbtree

 

115. How list folder shared by a particular windows machine?

 

# smbclient -L windows-machine

 

116. How to diplay calendar without X?

 

# cal

# cal -3

 

117. How to list out all harddisk partition?

 

# cat /proc/partitions

# fdisk -l

 

118. How to list out all mounted and labeled harddisk partition?

 

# mount -l

 

119. How to show host reboot history?

 

# last reboot

 

120. How to get CPU info?

 

# cat /proc/cpuinfo

 

121. How to show all interrupts?

 

# cat /proc/interrupts

 

122. How to show last successful login users?

 

# lastlog

 

123. How to search for a yet unknown package from web repo?

 

# yum search *packagemaybe*

# yum whatprovides packagemaybe

 

124. How to setup a shell with yum?

 

# yum shell

 

125. How to use yum locally?

 

# yum localinstall packagename

 

Goodluck

Edited March 30, 2018 by Fearless News