Centos7下Openssh-8.2p1版本升级脚本
下载所需要的Openssh-8.2p1离线rpm安装包
https://aq2.cn/132.html
升级Openssh注意事项:
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ssh升级前最好开启另一个ssh会话,或者采用Dropbear开启另一个ssh端口,再操作ssh升级,避免ssh升级失败导致ssh无法连接;
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升级线上环境最好先测试环境先测试验证,了解ssh升级步骤方可线上环境操作;
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事先要有备用方案,如果ssh升级失败,如果是阿里云可以通过WEB页面ssh进入服务器回退配置;
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本脚本只在系统默认配置下测试验证通过,如果ssh配置有做特殊修改需注意,另作修改再验证;
测试验证
1.检查系统版本和ssh版本

2.上传版本Openssh-8.2p1离线rpm安装包和下面升级脚本

3.执行升级脚本ssh.sh

Centos7下Openssh-8.2p1版本升级脚本如下
#!/bin/bash
NowTime=$(/bin/date +%Y%m%d%H%M%S)
if [[ "$(whoami)" != "root" ]]; then
echo "please run this script as root !" >&2
exit 1
fi
if [[ ! -f /usr/bin/cp ]]; then
echo "/usr/bin/cp file exists" >&2
exit 1
fi
if [[ ! -d "/opt/backup/openssh_bak" ]];then
mkdir -p /opt/backup/openssh_bak/
/usr/bin/cp /etc/pam.d/sshd /opt/backup/openssh_bak/sshd.bak
/usr/bin/cp /etc/pam.d/system-auth /opt/backup/openssh_bak/system-auth.bak
/usr/bin/cp /etc/ssh/sshd_config /opt/backup/openssh_bak/
/usr/bin/cp /etc/ssh/ssh_config /opt/backup/openssh_bak/
/usr/bin/cp /etc/ssh/ssh*key /opt/backup/openssh_bak/
else
mkdir -p "/opt/backup/openssh_$NowTime/"
/usr/bin/cp /etc/pam.d/sshd "/opt/backup/openssh_$NowTime/sshd.bak"
/usr/bin/cp /etc/pam.d/system-auth "/opt/backup/openssh_$NowTime/system-auth.bak"
/usr/bin/cp /etc/ssh/sshd_config "/opt/backup/openssh_$NowTime/"
/usr/bin/cp /etc/ssh/ssh_config "/opt/backup/openssh_$NowTime/"
/usr/bin/cp /etc/ssh/ssh*key "/opt/backup/openssh_$NowTime/"
fi
yum localinstall openssh-*.rpm -y
chmod 600 /etc/ssh/ssh_host_*_key
/usr/bin/cp /opt/backup/openssh_bak/sshd.bak /etc/pam.d/sshd
echo -e '
Port 22
AddressFamily inet
ListenAddress 0.0.0.0
Protocol 2
SyslogFacility AUTHPRIV
PermitRootLogin yes
MaxAuthTries 6
PubkeyAuthentication yes
AuthorizedKeysFile .ssh/authorized_keys
PasswordAuthentication yes
PermitEmptyPasswords no
UsePAM yes
UseDNS no
X11Forwarding yes
Subsystem sftp /usr/libexec/openssh/sftp-server
' > /etc/ssh/sshd_config
systemctl enable sshd
systemctl restart sshd
ssh -V
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想问下源码包编译成rpm这个步骤你是怎么解决的:
error: Installed (but unpackaged) file(s) found:
/usr/libexec/openssh/ssh-sk-helper
/usr/share/man/man8/ssh-sk-helper.8.gz
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