Chặn không cho ping vào linux
Knowledge Base
Knowledge Base
To Change the SSH Port for Your Linux Server Connect to your server via SSH (more info). Switch to the root user (more info). Run the following command: vi /etc/ssh/sshd_config Locate the following line: # Port 22 Remove # and change 22 to your desired port number. Restart the sshd service by running the following command: . . . Read more
Sometimes you need to open a port on your server, you want it to be recheable only from specific IP address, you can use Iptables for this: iptables -I INPUT -p tcp -s 118.70.15.19 –dport 22 -j ACCEPT In that case, you are opening ssh port only to IP 10.1.1.2, . . . Read more
find 2015/ *.{jpeg,jpg} -exec jpegoptim –size=300k {} \; find images_folder/ *.png -exec optipng {} \;
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$ sudo yum install -y yum-utils device-mapper-persistent-data lvm2 $ sudo yum-config-manager –add-repo https://download.docker.com/linux/centos/docker-ce.repo $ sudo yum install docker-ce -y $ sudo usermod -aG docker $(whoami) $ sudo systemctl enable docker.service $ sudo systemctl start docker.service $ sudo yum install epel-release -y $ sudo yum install -y python-pip $ sudo pip . . . Read more
cp /etc/localtime /etc/localtime.old ln -sf /usr/share/zoneinfo/Asia/Ho_Chi_Minh /etc/localtime
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