MOC - music on console 无头音乐播放器
最近把一台老的笔记本电脑当作NAS使用,都是通过ssh管理。笔记本电脑自带声卡和喇叭,便想着说利用起来播放一些音乐。通过一番搜索,发现MOC这个软件正符合我的需求。
- 官网https://moc.daper.net/
- 命令 mocp 启动TUI
- h 显示帮助信息
- a 添加当前目录到播放列表
- n 下一曲
- b 上一曲
- X 自动播放下一曲
- S 随机播放
- p 或空格 暂停
- q 退出
最近把一台老的笔记本电脑当作NAS使用,都是通过ssh管理。笔记本电脑自带声卡和喇叭,便想着说利用起来播放一些音乐。通过一番搜索,发现MOC这个软件正符合我的需求。
铁威马的系统配置和常见Linux系统配置不一样,搞了好半天。
假设需要启用IPv6的网卡为eth1
编辑 /etc/network
添加或修改配置为:
[eth1]
SLAVE=0
MTU=1500
DHCP=YES
IPV6_CONF=auto
IPV6_DEFROUTE=yes
IPV6INIT=YES
MtuStatus=0
echo 0 > /proc/sys/net/ipv6/conf/eth1/disable_ipv6
DHCP 获取IP
killall -2 nasips
因为要配置防火墙,需要固定NFS mount的绑定端口。之前的做法是配置/etc/default/nfs-kernel-server
,配置RPCMOUNTDOPTS="--manage-gids -p 2050"
。现在该配置文件已经失效,需要修改/etc/nfs.conf
[mountd]
# debug="all|auth|call|general|parse"
manage-gids=y
# descriptors=0
port=2050
TCP Port | Where | Notes |
---|---|---|
443 | vCenter Server, ESXi Host | Default port used for connections to VMware infrastructure (vCenter server and ESXi host). Must be opened on vCenter Servers and ESXi hosts. |
902 | ESXi Host | Port used for data transfer and moving. Must be opened on ESXi hosts. |
Rocky Linux 9 导入 GPG key,报错 warning: Signature not supported. Hash algorithm SHA1 not available.
查询资料得知,SHA1算法已被弃用。
update-crypto-policies --set DEFAULT:SHA1
update-crypto-policies --set DEFAULT
参考资料:
https://www.redhat.com/en/blog/rhel-security-sha-1-package-signatures-distrusted-rhel-9
本文摘自 https://oi-wiki.org/intro/symbol/
本文规定了 OI Wiki 中数学符号的推荐写法,并给出了一些应用范例。
本文参考了 GB/T 3102.11-1993 和 ISO 80000-2:2019 修订,故基本与国内通行教材的符号体系兼容。
符号的 LaTeX 写法请参考 本文章的源代码
编号 | 符号,表达式 | 意义,等同表述 | 备注与示例 |
---|---|---|---|
n1.1 | $p \land q$ | $p$ 和 $q$ 的合取 | $p$ 与 $q$. |
n1.2 | $p \lor q$ | $p$ 和 $q$ 的析取 | $p$ 或 $q$;此处的 “或” 是包含的,即若 $p$,$q$ 中有一个为真陈述,则 $p \lor q$ 为真。 |
n1.3 | $\lnot p$ | $p$ 的否定 | 非 $p$. |
n1.4 | $p \implies q$ | $p$ 蕴含 $q$;若 $p$ 为真,则 $q$ 为真 | $q \impliedby p$ 和 $p \implies q$ 同义。 |
n1.5 | $p \iff q$ | $p$ 等价于 $q$ | $(p \implies q) \land (q \implies p)$ 和 $p \iff q$ 同义。 |
n1.6 | $(\forall~x \in A)~~p(x)$ | 对 $A$ 中所有的 $x$, 命题 $p(x)$ 均为真 | 如果从上下文中可以得知考虑的是哪个集合 $A$, 可以使用记号 $(\forall~x)~~p(x)$.$\forall$ 称为全称量词。 $x \in A$ 的含义见 n2.1. |
n1.7 | $(\exists~x \in A)~~p(x)$ | 存在一个属于 $A$ 的 $x$ 使得 $p(x)$ 为真 | 如果从上下文中可以得知考虑的是哪个集合 $A$, 可以使用记号 $(\exists~x)~~p(x)$.$\exists$ 称为存在量词。 $x \in A$ 的含义见 n2.1. $(\exists!~x)~~p(x)$(唯一量词)用来表示恰有一个 $x$ 使得 $p(x)$ 为真。 $\exists!$ 也可以写作 $\exists^1$. |
Letter | Name | Ancient pronunciation | Modern pronunciation | ||
---|---|---|---|---|---|
Α α | alpha, άλφα | Short: [a] Long: [aː] | Short: first a as in English await Long: a as in English father | [a] | a as in English father, but short |
Β β | beta, βήτα | [b] | b as in English better | [v] | v as in English vote |
Γ γ | gamma, γάμμα | [ɡ] [ŋ] when used before γ, κ, ξ, χ, and possibly μ | g as in English get ng as in English sing when used before γ, κ, ξ, χ, and possibly μ | [ɣ] ~ [ʝ], [ŋ] [ɲ] | g as in Spanish lago or y as in English yellow, ng as in English long |
Δ δ | delta, δέλτα | [d] | d as in English delete | [ð] | th as in English then |
Ε ε | epsilon, έψιλον | [e] | e as in English pet | ||
Ζ ζ | zeta, ζήτα | zd, or possibly [dz] | sd as in English wisdom, or possibly dz as in English adze | [z] | z as in English zoo |
Η η | eta, ήτα | [ɛː] | ê as in French tête | [i] | i as in English machine, but short |
Θ θ | theta, θήτα | [tʰ] | t as in English top | [θ] | th as in English thin |
Ι ι | iota, ιώτα | Short: [i] Long: [iː] | Short: i as in French vite, Long: i as in English machine | [i], [ç], [ʝ], [ɲ] | i as in English machine, but short |
Κ κ | kappa, κάππα | [k] | k as in English, but completely unaspirated | [k] ~ [c] | k as in English make |
Λ λ | la(m)bda, λά(μ)βδα | [l] | l as in English lantern | ||
Μ μ | mu, μυ | [m] | m as in English music | ||
Ν ν | nu, νυ | [n] | n as in English net | ||
Ξ ξ | xi, ξι | [ks] | x as in English fox | ||
Ο ο | omicron, όμικρον | [o] | o as in German ohne | ||
Π π | pi, πι | [p] | p as in English top | ||
Ρ ρ | rho, ρώ | [r] | trilled r as in Italian or Spanish | ||
Σ σ/ς, Ϲ ϲ | sigma, σίγμα | [s] [z] before β, γ, or μ | s as in English soft, s as in English muse when used before β, γ, or μ | ||
Τ τ | tau, ταυ | [t] | t as in English coat | ||
Υ υ | upsilon, ύψιλον | Short: [y] Long: [yː] | Short: u as in French lune Long: u as in French ruse | [i] | i as in English machine, but short |
Φ φ | phi, φι | [pʰ] | p as in English pot | [f] | f as in English five |
Χ χ | chi, χι | [kʰ] | c as in English cat | [x] ~ [ç] | ch as in Scottish loch ~ h as in English hue |
Ψ ψ | psi, ψι | [ps] | ps as in English lapse | ||
Ω ω | omega, ωμέγα | [ɔː] | aw as in English saw | [o] | o as in German ohne, similar to British English call |
创建Admin账号
sudo runuser -u _gvm -- gvmd --create-user=Admin --new-password=12345
重置Admin密码
sudo runuser -u _gvm -- gvmd --user=Admin --new-password=12345
应用目录下storage/app/backup-temp
的所有者是root
,改成www-data
即可。
登录Hermes SEG提示要做动态口令认证,因为是测试环境,所以决定取消该认证。
因为无法登录网页控制台,所以通过修改数据库修改配置。结果发现"access_control" 是"one_factor",用户配置并没有开启。
ESXi的评估许可只有60天,如果不想重装虚拟环境的话,可以重置评估许可。操作如下:
rm -r /etc/vmware/license.cfg
cp /etc/vmware/.#license.cfg /etc/vmware/license.cfg
/etc/init.d/vpxa restart
bootfile-name bootnetx64.efi
next-server 10.0.2.2
H3C交换机DHCP配置中关于PXE的部分,bootfile-name是启动文件,next-server是PXE服务器。