System Setting Other Debugs (系统设置其它排错) – Page 2

March 26, 2025December 31, 2025

[排错] Linux 解决使用 authselect apply-changes 命令时报错 “[error] [……] has unexpected content!”

报错命令

# authselect apply-changes

报错代码

[error] [/....../system-auth] has unexpected content!
[error] [/....../password-auth] has unexpected content!
[error] [/....../nsswitch.conf] has unexpected content!
[error] Unexpected changes to the configuration were detected.
[error] Refusing to activate profile unless those changes are removed or overwrite is requested.
Some unexpected changes to the configuration were detected. Use 'select' command instead.

解决方法

创建新的 authselect 文件

步骤一：移走原来的 authselect 文件

# mv /etc/authselect/custom/password-policy /etc/authselect/custom/password-policy-backup

步骤二：创建新的 authselect 的文件

# authselect create-profile password-policy -b sssd --symlink-meta --symlink-pam

步骤三：使用新创建的 authselect 文件

# authselect select custom/password-policy with-sudo with-faillock without-nullok with-mkhomedir --force

步骤四：启用 oddjob 服务

# dnf install oddjob ; systemctl enable --now oddjobd.service

步骤五：启用新的 authselect 文件

# authselect apply-changes

March 14, 2025December 31, 2025

[排错] Linux 解决使用 setfacl 命令时报错 “setfacl: …… : Operation not supported”

报错命令

# setfacl ......

报错代码

setfacl: ......: Operation not supported

解决方法

添加 acl 参数

临时解决方法（临时在挂载时添加 acl 参数）：

# mount -o remount,acl /mnt

（补充：这里以给挂载的 /mnt 目录添加 acl 参数为例）

永久解决方法（永久在挂载时添加 acl 参数）：

# vi /etc/fstab

将部分内容修改如下：

......
/dev/sda5 /mnt xfs defaults,acl 0 0
......

（补充：这里以给从硬盘 /dev/sda5 挂载到 /mnt 目录的目录添加 acl 参数为例）

October 16, 2024December 31, 2025

[排错] 解决 openSUSE & SUSE 使用 zypper 命令时报错 “error: can’t create transaction lock on /usr/lib/sysimage/rpm/.rpm.lock (Resource temporarily unavailable)”

报错命令

# zypper ......

报错代码

error: can't create transaction lock on /usr/lib/sysimage/rpm/.rpm.lock (Resource temporarily unavailable)

解决方法

步骤一：删除 Zypper 的软件数据库

# rm -rf /var/lib/rpm/_db*

步骤二：重建 Zypper 的软件数据库

# rpm --rebuilddb

步骤三：刷新 Zypper 缓存

# zypper refresh

June 21, 2024December 31, 2025

[DEBUG] Linux resolve error code ‘DB version too old ……, expected …… for domain implicit_files!’

Error Code

# useradd <account name>
DB version too old ......, expected ...... for domain implicit_files!
......

Or:

# chage -l <user name>
DB version too old ......, expected ...... for domain implicit_files!
......

Solution

Step One: Create /etc/sssd/sssd.conf file

# vim /etc/sssd/sssd.conf

Add follow lines:

[sssd]
enable_files_domain = true

Step Two: Give /etc/sssd/sssd.conf file properly privilege

# chmod 600 /etc/sssd/sssd.conf

Step Three: Restart sssd service

# systemctl restart sssd

Reference

https://access.redhat.com/solutions/7031304

June 7, 2024December 31, 2025

[排错] openSUSE & SLES 解决开机后 wicked 不能设置 IP 地址

报错代码

开机后 wicked 不能自动设置 IP 地址

# cat /var/log/messages
......
...... wickedd-nanny[1218]: device eth0: call to org.opensuse.Network.Protocol.IPv6.changeProtocol() failed: General failure
...... wickedd-nanny[1218]: eth0: failed to bring up device, still continuing
......
...... lo              up
...... eth0            device-not-running
...... Finished wicked managed network interfaces.
......

解决方法

解决方法一：将 wicked 软件降级到较低版本

（步骤略）

解决方法二：取消 ipv6.disable=1 参数

2.1 修改 /etc/default/grub 文件

# /etc/default/grub

删除以下内容：

......
......ipv6.disable=1......
......

2.2 使刚刚修改的配置生效

# grub2-mkconfig -o /boot/grub2/grub.cfg

2.3 检查刚刚设置的配置

# grep "^\s*ipv6.disable" /boot/grub2/grub.cfg