@wwhc 好的我下班回来测试一下 谢谢

@rock6y 是 systemd 管理的 不过目前还不想禁用那个 network 服务 谢谢

@YanwenSun 没有重新建立引导 现在的问题是不知道原因具体在哪里 为嘛重启服务后修改是有效的 重启系统后修改就失败了
@Beebird 不知道其他变量到底是不是对这个修改有影响

@f2f2f
执行 sudo /sbin/sysctl -p/etc/sysctl.conf 之后
重新启动服务
sudo systemctl restart systemd-sysctl.service
cat /proc/sys/net/ipv4/ip_forward
1
到这里设置是有效的
-------------------------------------------------
重启系统：
执行
一 3 月 26|06:39|0:>cat /proc/sys/net/ipv4/ip_forward
0
到这里又失败了
~
一 3 月 26|06:39|0:>sudo sysctl --system
[sudo] xuan 的密码：
* Applying /boot/sysctl.conf-4.4.120-45-default ...
kernel.hung_task_timeout_secs = 0
kernel.msgmax = 65536
kernel.msgmnb = 65536
kernel.shmmax = 0xffffffffffffffff
kernel.shmall = 0x0fffffffffffff00
* Applying /usr/lib/sysctl.d/50-coredump.conf ...
kernel.core_pattern = |/usr/lib/systemd/systemd-coredump %P %u %g %s %t %e
* Applying /usr/lib/sysctl.d/50-default.conf ...
net.ipv4.icmp_echo_ignore_broadcasts = 1
net.ipv4.conf.all.rp_filter = 1
net.ipv4.conf.default.promote_secondaries = 1
net.ipv4.conf.all.promote_secondaries = 1
net.ipv6.conf.default.use_tempaddr = 1
fs.inotify.max_user_watches = 65536
kernel.sysrq = 184
fs.protected_hardlinks = 1
fs.protected_symlinks = 1
kernel.kptr_restrict = 1
* Applying /etc/sysctl.d/99-sysctl.conf ...
kernel.sysrq = 0
net.ipv4.ip_forward = 1
net.ipv4.tcp_syncookies = 1
net.ipv6.conf.all.forwarding = 0
* Applying /etc/sysctl.conf ...
kernel.sysrq = 0
net.ipv4.ip_forward = 1
net.ipv4.tcp_syncookies = 1
net.ipv6.conf.all.forwarding = 0
~
一 3 月 26|06:40|0:>cat /proc/sys/net/ipv4/ip_forward
1

@wwhc 文件： /etc/sysconfig/SuSEfirewall2.rpmnew
可能的值：yes,no
描述：

Do you want to enable additional kernel TCP/IP security features?
If set to yes, some obscure kernel options are set.
(log_martians, rp_filter, routing flush, accept_source_route)

If you have configured one of these settings in /etc/sysctl.conf then
SuSEfirewall2 won't apply any different value to allow you to override some
of these settings to your liking. Also see FW_SYSCTL_DIRS.

Tip: Set this to "no" until you have verified that you have got a
configuration which works for you. Then set this to "yes" and keep it
if everything still works. (It should!) ;-)

Choice: "yes" or "no", if not set defaults to "yes"
这里显示的提示 if not set defaults to "yes

@xAx resolve.conf 可以 chmod attr +i 来解决

@f2f2f 这样配置对吗？
cd /etc/sysctl.d/
sudo cp ../sysctl.conf ./local.conf
sudo mv local.conf 50-locla.conf
sudo vim /etc/init.d/boot.local
重启还是不行....

@f2f2f 我试试 谢谢

@defunct9 SSH 服务随机启动 不过我把端口屏蔽了
另外在 /etc/hosts.deny 里面禁止 sshd 了
另外我刚才 sudo systemctl enable systemd-sysctl.service 之后
重启发现并没有预期结果
sudo systemctl list-unit-files | grep 'enable' 里面并没有这个服务在随开机启动 难道开错了？

@expy 我系统的 /etc/sysctl.d/里面有这个文件 不过他还是指向了上级目录的配置文件
lrwxrwxrwx 1 root root 16 10 月 30 2015 99-sysctl.conf -> /etc/sysctl.conf

@fangdingjun 感谢回复 我找找看

@xfspace systemctl status systemd-sysctl.service 输出内容如下：
日 3 月 25|18:53|0:>systemctl status systemd-sysctl.service
● systemd-sysctl.service - Apply Kernel Variables
Loaded: loaded (/usr/lib/systemd/system/systemd-sysctl.service; static; vendor preset: disabled)
Drop-In: /usr/lib/systemd/system/systemd-sysctl.service.d
└─50-kernel-uname_r.conf
Active: active (exited) since 日 2018-03-25 15:53:46 CST; 3h 0min ago
Docs: man:systemd-sysctl.service(8)
man:sysctl.d(5)
Process: 447 ExecStart=/usr/lib/systemd/systemd-sysctl (code=exited, status=0/SUCCESS)
Process: 437 ExecStartPre=/usr/lib/systemd/systemd-sysctl /boot/sysctl.conf-%v (code=exited, status=0/SUCCESS)
Main PID: 447 (code=exited, status=0/SUCCESS)
Tasks: 0 (limit: 512)
CGroup: /system.slice/systemd-sysctl.service

Warning: Journal has been rotated since unit was started. Log output is incomplete or unavailable.

Linux 系统 Firefox 最新版本 挂 VPN 之后很多网站都得重新登录 不知道是不是这个原因

2 元话费 谢谢

我曾经也是用 find ➕ exec 差点误删除了 幸亏有权限限制 要不然惨大了 （捂脸）逃。。。。

杭州其他黑公司不收录？

@PyPog 信仰没有毛用 洗脑的多

@Tuisku 狗狗真不错

4 楼正解 bbswitch 禁用 N 卡 系统进去之后再随意搞

@kokutou x-plore 这软件真不错 谢谢分享