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- #!/bin/bash
- # root
- sed -i 's/^#\?PermitRootLogin.*/PermitRootLogin yes/g' /etc/ssh/sshd_config;
- sed -i 's/^#\?PasswordAuthentication.*/PasswordAuthentication yes/g' /etc/ssh/sshd_config;
- # limits
- if [ -f /etc/security/limits.conf ]; then
- LIMIT='262144'
- sed -i '/^\(\*\|root\)[[:space:]]*\(hard\|soft\)[[:space:]]*\(nofile\|memlock\)/d' /etc/security/limits.conf
- echo -ne "*\thard\tmemlock\t${LIMIT}\n*\tsoft\tmemlock\t${LIMIT}\nroot\thard\tmemlock\t${LIMIT}\nroot\tsoft\tmemlock\t${LIMIT}\n*\thard\tnofile\t${LIMIT}\n*\tsoft\tnofile\t${LIMIT}\nroot\thard\tnofile\t${LIMIT}\nroot\tsoft\tnofile\t${LIMIT}\n\n" >>/etc/security/limits.conf
- fi
- # timezone
- ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && echo "Asia/Shanghai" >/etc/timezone
- # systemd-journald
- sed -i 's/^#\?Storage=.*/Storage=volatile/' /etc/systemd/journald.conf
- sed -i 's/^#\?SystemMaxUse=.*/SystemMaxUse=8M/' /etc/systemd/journald.conf
- sed -i 's/^#\?RuntimeMaxUse=.*/RuntimeMaxUse=8M/' /etc/systemd/journald.conf
- systemctl restart systemd-journald
- # ssh
- [ -d ~/.ssh ] || mkdir -p ~/.ssh
- echo -ne "# chmod 600 ~/.ssh/id_rsa\n\nHost *\n StrictHostKeyChecking no\n UserKnownHostsFile /dev/null\n IdentityFile ~/.ssh/id_rsa\n" > ~/.ssh/config
- # nload
- echo -ne 'DataFormat="Human Readable (Byte)"\nTrafficFormat="Human Readable (Byte)"\n' >/etc/nload.conf
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