command to get the man page content to file

最新推荐文章于 2020-07-29 23:30:03 发布
最新推荐文章于 2020-07-29 23:30:03 发布 · 68 阅读 · 0

博客内容展示了两条命令，通过‘man tcsh | col -b > tcsh.txt’和‘info tcsh -o tcsh.txt -s’获取tcsh的帮助信息，并将其保存到tcsh.txt文件中，涉及命令行操作。

man tcsh | col -b > tcsh.txt ; info tcsh -o tcsh.txt -s

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未安装该包会导致`mount.cifs: command not found`错误[^3]。 #### 2. 基础权限检查 在挂载命令中使用明确的凭据参数： ```bash sudo mount.cifs //192.168.238.1/jing /mnt -o username=winuser,password=winpass,...
KCONFIG-CONF(1) October 2017 KCONFIG-CONF(1) NAME kconfig-conf - Standalone implementation of the Linux Kconfig parser SYNOPSIS kconfig-conf [options] <KConfig_file> DESCRIPTION The kconfig toolkit support the Kconfig language and implement the parser and the configuration support associated to the KConfig files respecting the Linux kernel KConfig convention. At configuration time: • kconfig-mconf is based on ncurses (menuconfig) • kconfig-conf is based on dialog (config) • kconfig-gconf is based on GTK+ (gconfig) • kconfig-qconf is based on QT (qconfig) Associated tools: • kconfig-diff displays symbols diff between .config files OPTIONS –silentoldconfig Only for kconfig-conf, reload a given .config and regenerate header and command files accordingly. --allnoconfig Set all boolean configuration to no. --allyesconfig Set all boolean configuration to yes. --randconfig Generates a random configuration. ENVIRONMENT Environment variables for ‘*config’ KCONFIG_CONFIG This environment variable can be used to specify a default kernel config file name to override the default name of ".config". KCONFIG_OVERWRITECONFIG If you set KCONFIG_OVERWRITECONFIG in the environment, Kconfig will not break symlinks when .config is a symlink to somewhere else. CONFIG_ If you set CONFIG_ in the environment, Kconfig will prefix all symbols with its value when saving the configuration, instead of using the default, "CONFIG_". Environment variables for ‘{allyes/allmod/allno/rand}config’ KCONFIG_ALLCONFIG The allyesconfig/allmodconfig/allnoconfig/randconfig variants can also use the environment variable KCONFIG_ALLCONFIG as a flag or a filename that contains config symbols that the user requires to be set to a specific value. If KCONFIG_ALLCONFIG is used without a filename where KCONFIG_ALLCONFIG == "" or KCONFIG_ALLCONFIG == "1", "make *config" checks for a file named "all{yes/mod/no/def/random}.config" (corresponding to the *config command that was used) for symbol values that are to be forced. If this file is not found, it checks for a file named "all.config" to contain forced values. This enables you to create "miniature" config (miniconfig) or custom config files containing just the config symbols that you are interested in. Then the kernel config system generates the full .config file, including symbols of your miniconfig file. This 'KCONFIG_ALLCONFIG' file is a config file which contains (usually a subset of all) preset config symbols. These variable settings are still subject to normal dependency checks. Examples: KCONFIG_ALLCONFIG=custom-notebook.config make allnoconfig or KCONFIG_ALLCONFIG=mini.config make allnoconfig or make KCONFIG_ALLCONFIG=mini.config allnoconfig These examples will disable most options (allnoconfig) but enable or disable the options that are explicitly listed in the specified mini-config files. Environment variables for ‘randconfig’ KCONFIG_SEED You can set this to the integer value used to seed the RNG, if you want to somehow debug the behaviour of the kconfig parser/frontends. If not set, the current time will be used. KCONFIG_PROBABILITY This variable can be used to skew the probabilities. See /usr/share/doc/kconfig-frontends/kconfig.txt.gz. Environment variables for 'silentoldconfig' KCONFIG_NOSILENTUPDATE If this variable has a non-blank value, it prevents silent kernel config updates (requires explicit updates). KCONFIG_AUTOCONFIG This environment variable can be set to specify the path name of the "auto.conf" file. Its default value is "include/config/auto.conf". KCONFIG_TRISTATE This environment variable can be set to specify the path name of the "tristate.conf" file. Its default value is "include/config/tristate.conf". KCONFIG_AUTOHEADER This environment variable can be set to specify the path name of the "autoconf.h" (header) file. Its default value is "include/generated/autoconf.h". HISTORY June 2017, Man page originally compiled by Philippe Thierry (phil at reseau-libre dot com) Philippe Thierry kconfig-conf Man Page KCONFIG-CONF(1) 这是手册
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错误信息是“*** Error during update of the configuration.”。 从提供的Makefile片段中，我们看到生成autoconf.h的命令是： $(KCONFIG_TOOL) --silentoldconfig $(CURDIR)/Kconfig $(KCONFIG_CONFIG) 这里，...
GitLab and SSH keys Git is a distributed version control system, which means you can work locally, then share or "push" your changes to a server. In this case, the server is GitLab. GitLab uses the SSH protocol to securely communicate with Git. When you use SSH keys to authenticate to the GitLab remote server, you don't need to supply your username and password each time. Prerequisites To use SSH to communicate with GitLab, you need: The OpenSSH client, which comes pre-installed on GNU/Linux, macOS, and Windows 10. SSH version 6.5 or later. Earlier versions used an MD5 signature, which is not secure. To view the version of SSH installed on your system, run ssh -V. Supported SSH key types To communicate with GitLab, you can use the following SSH key types: ED25519 RSA DSA (Deprecated in GitLab 11.0.) ECDSA (As noted in Practical Cryptography With Go, the security issues related to DSA also apply to ECDSA.) Administrators can restrict which keys are permitted and their minimum lengths. ED25519 SSH keys The book Practical Cryptography With Go suggests that ED25519 keys are more secure and performant than RSA keys. OpenSSH 6.5 introduced ED25519 SSH keys in 2014 and they should be available on most operating systems. RSA SSH keys Available documentation suggests that ED25519 is more secure than RSA. If you use an RSA key, the US National Institute of Science and Technology in Publication 800-57 Part 3 (PDF) recommends a key size of at least 2048 bits. The default key size depends on your version of ssh-keygen. Review the man page for your installed ssh-keygen command for details. See if you have an existing SSH key pair Before you create a key pair, see if a key pair already exists. On Windows, Linux, or macOS, go to your home directory. Go to the .ssh/ subdirectory. If the .ssh/ subdirectory doesn't exist, you are either not in the home directory, or you haven't used ssh before. In the latter case, you need to generate an SSH key pair. See if a file with one of the following formats exists: Algorithm Public key Private key ED25519 (preferred) id_ed25519.pub id_ed25519 RSA (at least 2048-bit key size) id_rsa.pub id_rsa DSA (deprecated) id_dsa.pub id_dsa ECDSA id_ecdsa.pub id_ecdsa Generate an SSH key pair If you do not have an existing SSH key pair, generate a new one. Open a terminal. Type ssh-keygen -t followed by the key type and an optional comment. This comment is included in the .pub file that's created. You may want to use an email address for the comment. For example, for ED25519: ssh-keygen -t ed25519 -C "<comment>" For 2048-bit RSA: ssh-keygen -t rsa -b 2048 -C "<comment>" Press Enter. Output similar to the following is displayed: Generating public/private ed25519 key pair. Enter file in which to save the key (/home/user/.ssh/id_ed25519): Accept the suggested filename and directory, unless you are generating a deploy key or want to save in a specific directory where you store other keys. You can also dedicate the SSH key pair to a specific host. Specify a passphrase: Enter passphrase (empty for no passphrase): Enter same passphrase again: A confirmation is displayed, including information about where your files are stored. A public and private key are generated. Add the public SSH key to your GitLab account and keep the private key secure. Configure SSH to point to a different directory If you did not save your SSH key pair in the default directory, configure your SSH client to point to the directory where the private key is stored. Open a terminal and run this command: eval $(ssh-agent -s) ssh-add <directory to private SSH key> Save these settings in the ~/.ssh/config file. For example: # GitLab.com Host gitlab.com PreferredAuthentications publickey IdentityFile ~/.ssh/gitlab_com_rsa # Private GitLab instance Host gitlab.company.com PreferredAuthentications publickey IdentityFile ~/.ssh/example_com_rsa For more information on these settings, see the man ssh_config page in the SSH configuration manual. Public SSH keys must be unique to GitLab because they bind to your account. Your SSH key is the only identifier you have when you push code with SSH. It must uniquely map to a single user. Update your SSH key passphrase You can update the passphrase for your SSH key. Open a terminal and run this command: ssh-keygen -p -f /path/to/ssh_key At the prompts, type the passphrase and press Enter. Upgrade your RSA key pair to a more secure format If your version of OpenSSH is between 6.5 and 7.8, you can save your private RSA SSH keys in a more secure OpenSSH format. Open a terminal and run this command: ssh-keygen -o -f ~/.ssh/id_rsa Alternatively, you can generate a new RSA key with the more secure encryption format with the following command: ssh-keygen -o -t rsa -b 4096 -C "<comment>" Add an SSH key to your GitLab account To use SSH with GitLab, copy your public key to your GitLab account. Copy the contents of your public key file. You can do this manually or use a script. For example, to copy an ED25519 key to the clipboard: macOS: tr -d '\n' < ~/.ssh/id_ed25519.pub | pbcopy Linux (requires the xclip package): xclip -sel clip < ~/.ssh/id_ed25519.pub Git Bash on Windows: cat ~/.ssh/id_ed25519.pub | clip Replace id_ed25519.pub with your filename. For example, use id_rsa.pub for RSA. Sign in to GitLab. In the top right corner, select your avatar. Select Preferences. From the left sidebar, select SSH Keys. In the Key box, paste the contents of your public key. 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