On Windows systems, we can use the networking status in Task Manager to check bandwidth usage. So how do we view the host’s bandwidth usage on Linux?
In fact, there are many ways to check network interface traffic on Linux. Below, we’ll use the iptraf software as an example to explain: …
How to Use Screen: SSH Remote Session Management Tool
I. What Is the Screen Command? Screen is a full-screen window manager that multiplexes a physical terminal between several processes. Screen has the concept of sessions, where users can create multiple screen windows within a single screen session, in …
Below, we’ll use CentOS as an example:
Step 1: Use the local machine or connect to the CentOS system via SSH. Enter the command “/sbin/iptables -I INPUT -p tcp –dport 3306 -j ACCEPT” and confirm (using port 3306 as an example here).
Step 2: Use “/etc/init.d/iptables status& …
You can use the following command to check:
# lsb_release -aLSB Version: :core-3.1-ia32:core-3.1-noarch:graphics-3.1-ia32:graphics-3.1-noarchDistributor ID: CentOSDescription: CentOS release 5.4 (Final)Release: …
Environment: CentOS 5, 7
Before disabling, you can test with:
ping 192.168.241.2 #replace IP with your own
Disable ping (temporary, suitable when rebooting the host is inconvenient)
The command is as follows (takes effect immediately, invalid after reboot):
echo 1 >/proc/sys/net/ipv4/icmp_echo_ignore_all …
First use ifconfig -a to check which interface is in use. Below we’ll use eth0 as an example to configure eth0 as follows:#Edit: vi /etc/sysconfig/network-scripts/ifcfg-eth0Content DEVICE=eth0 BOOTPROTO=static BROADCAST=192.168.1.255 IPADDR=192.168.1.25 NETM …
Below, using CentOS as an example, the command to mount the ext4-formatted disk /dev/sdb1 to /mnt is:
mount -t ext4 /dev/sdb1 /mnt …
1. Check disk information: #fdisk -lTake my disk information as an example:
2. Check filesystem format (needed later): #df -T
3. Now mount the 48.3GB /dev/sdb shown in the image:
Open the boot-time fstab file vi /etc/fstabAdd the following to the last line: /dev/sdb …
This article explains in detail the usage of the du command parameters in Linux, with examples to further illustrate how to use it. The du command function description: counts the disk space size occupied by directories (or files).
Syntax: du [-abcDhHklmsSx] [-L <symbolic link>][-X <file>][–block-size][–excl …
How to Fix “Kernel Panic – Not Syncing: Attempted to Kill Init!” on Linux Boot:
When the system starts, press the ‘e’ key to enter the GRUB edit interface, edit the GRUB menu, and select “kernel /vmlinuz-2.6.23.1-42.fc8 …
