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1 [BEGIN] 2019/12/4 15:40:43 2 Last login: Wed Dec 4 13:56:18 2019 from 192.168.114.1 3 root@coder:~# man addgroup 4 ADDUSER(8) System Manager's Manual ADDUSER(8) 5 6 NAME 7 adduser, addgroup - add a user or group to the system 8 9 SYNOPSIS 10 adduser [options] [--home DIR] [--shell SHELL] [--no-create-home] [--uid ID] [--firstuid ID] [--lastuid ID] [--ingroup GROUP | --gid ID] [--disabled-pass‐ 11 word] [--disabled-login] [--gecos GECOS] [--add_extra_groups] [--encrypt-home] user 12 13 adduser --system [options] [--home DIR] [--shell SHELL] [--no-create-home] [--uid ID] [--group | --ingroup GROUP | --gid ID] [--disabled-password] [--dis‐ 14 abled-login] [--gecos GECOS] user 15 16 addgroup [options] [--gid ID] group 17 18 addgroup --system [options] [--gid ID] group 19 20 adduser [options] user group 21 22 COMMON OPTIONS 23 ADDUSER(8) System Manager's Manual ADDUSER(8) 24 25 NAME 26 adduser, addgroup - add a user or group to the system 27 28 SYNOPSIS 29 adduser [options] [--home DIR] [--shell SHELL] [--no-create-home] [--uid ID] [--firstuid ID] [--lastuid ID] [--ingroup GROUP | --gid ID] [--disabled-pass‐ 30 word] [--disabled-login] [--gecos GECOS] [--add_extra_groups] [--encrypt-home] user 31 32 adduser --system [options] [--home DIR] [--shell SHELL] [--no-create-home] [--uid ID] [--group | --ingroup GROUP | --gid ID] [--disabled-password] [--dis‐ 33 abled-login] [--gecos GECOS] user 34 35 addgroup [options] [--gid ID] group 36 37 addgroup --system [options] [--gid ID] group 38 39 adduser [options] user group 40 41 COMMON OPTIONS 42 ADDUSER(8) System Manager's Manual ADDUSER(8) 43 44 NAME 45 adduser, addgroup - add a user or group to the system 46 47 SYNOPSIS 48 adduser [options] [--home DIR] [--shell SHELL] [--no-create-home] [--uid ID] [--firstuid ID] [--lastuid ID] [--ingroup GROUP | --gid ID] [--disabled-pass‐ 49 word] [--disabled-login] [--gecos GECOS] [--add_extra_groups] [--encrypt-home] user 50 51 adduser --system [options] [--home DIR] [--shell SHELL] [--no-create-home] [--uid ID] [--group | --ingroup GROUP | --gid ID] [--disabled-password] [--dis‐ 52 abled-login] [--gecos GECOS] user 53 54 addgroup [options] [--gid ID] group 55 56 addgroup --system [options] [--gid ID] group 57 58 adduser [options] user group 59 60 COMMON OPTIONS 61 root@coder:~# man addgroup 62 ADDUSER(8) System Manager's Manual ADDUSER(8) 63 64 NAME 65 adduser, addgroup - add a user or group to the system 66 67 SYNOPSIS 68 adduser [options] [--home DIR] [--shell SHELL] [--no-create-home] [--uid ID] [--firstuid ID] [--lastuid ID] [--ingroup GROUP | --gid ID] [--disabled-pass‐ 69 word] [--disabled-login] [--gecos GECOS] [--add_extra_groups] [--encrypt-home] user 70 71 adduser --system [options] [--home DIR] [--shell SHELL] [--no-create-home] [--uid ID] [--group | --ingroup GROUP | --gid ID] [--disabled-password] [--dis‐ 72 abled-login] [--gecos GECOS] user 73 74 addgroup [options] [--gid ID] group 75 76 addgroup --system [options] [--gid ID] group 77 78 adduser [options] user group 79 80 COMMON OPTIONS 81 [--quiet] [--debug] [--force-badname] [--help|-h] [--version] [--conf FILE] 82 83 DESCRIPTION 84 adduser and addgroup add users and groups to the system according to command line options and configuration information in /etc/adduser.conf. They are 85 friendlier front ends to the low level tools like useradd, groupadd and usermod programs, by default choosing Debian policy conformant UID and GID values, 86 creating a home directory with skeletal configuration, running a custom script, and other features. adduser and addgroup can be run in one of five modes: 87 88 Add a normal user 89 If called with one non-option argument and without the --system or --group options, adduser will add a normal user. 90 91 adduser will choose the first available UID from the range specified for normal users in the configuration file. The UID can be overridden with the --uid 92 option. 93 94 The range specified in the configuration file may be overridden with the --firstuid and --lastuid options. 95 96 By default, each user in Debian GNU/Linux is given a corresponding group with the same name. Usergroups allow group writable directories to be easily main‐ 97 tained by placing the appropriate users in the new group, setting the set-group-ID bit in the directory, and ensuring that all users use a umask of 002. If 98 this option is turned off by setting USERGROUPS to no, all users' GIDs are set to USERS_GID. Users' primary groups can also be overridden from the command 99 line with the --gid or --ingroup options to set the group by id or name, respectively. Also, users can be added to one or more groups defined in 100 adduser.conf either by setting ADD_EXTRA_GROUPS to 1 in adduser.conf, or by passing --add_extra_groups on the commandline. 101 102 adduser will create a home directory subject to DHOME, GROUPHOMES, and LETTERHOMES. The home directory can be overridden from the command line with the 103 --home option, and the shell with the --shell option. The home directory's set-group-ID bit is set if USERGROUPS is yes so that any files created in the 104 user's home directory will have the correct group. 105 106 adduser will copy files from SKEL into the home directory and prompt for finger (gecos) information and a password. The gecos may also be set with the 107 --gecos option. With the --disabled-login option, the account will be created but will be disabled until a password is set. The --disabled-password option 108 will not set a password, but login is still possible (for example with SSH RSA keys). To set up an encrypted home directory for the new user, add the 109 --encrypt-home option. For more information, refer to the -b option of ecryptfs-setup-private(1). 110 111 If the file /usr/local/sbin/adduser.local exists, it will be executed after the user account has been set up in order to do any local setup. The arguments 112 passed to adduser.local are: 113 username uid gid home-directory 114 The environment variable VERBOSE is set according to the following rule: 115 116 0 if --quiet is specified 117 118 1 if neither --quiet nor --debug is specified 119 120 2 if --debug is specified 121 122 (The same applies to the variable DEBUG, but DEBUG is deprecated and will be removed in a later version of adduser.) 123 124 Add a system user 125 If called with one non-option argument and the --system option, adduser will add a system user. If a user with the same name already exists in the system uid 126 range (or, if the uid is specified, if a user with that uid already exists), adduser will exit with a warning. This warning can be suppressed by adding 127 "--quiet". 128 129 adduser will choose the first available UID from the range specified for system users in the configuration file (FIRST_SYSTEM_UID and LAST_SYSTEM_UID). If 130 you want to have a specific UID, you can specify it using the --uid option. 131 132 By default, system users are placed in the nogroup group. To place the new system user in an already existing group, use the --gid or --ingroup options. To 133 place the new system user in a new group with the same ID, use the --group option. 134 135 A home directory is created by the same rules as for normal users. The new system user will have the shell /bin/false (unless overridden with the --shell 136 option), and have logins disabled. Skeletal configuration files are not copied. 137 138 139 2 if --debug is specified 140 141 (The same applies to the variable DEBUG, but DEBUG is deprecated and will be removed in a later version of adduser.) 142 143 Add a system user 144 If called with one non-option argument and the --system option, adduser will add a system user. If a user with the same name already exists in the system uid 145 range (or, if the uid is specified, if a user with that uid already exists), adduser will exit with a warning. This warning can be suppressed by adding 146 "--quiet". 147 148 adduser will choose the first available UID from the range specified for system users in the configuration file (FIRST_SYSTEM_UID and LAST_SYSTEM_UID). If 149 you want to have a specific UID, you can specify it using the --uid option. 150 151 By default, system users are placed in the nogroup group. To place the new system user in an already existing group, use the --gid or --ingroup options. To 152 place the new system user in a new group with the same ID, use the --group option. 153 154 A home directory is created by the same rules as for normal users. The new system user will have the shell /bin/false (unless overridden with the --shell 155 option), and have logins disabled. Skeletal configuration files are not copied. 156 157 158 2 if --debug is specified 159 160 (The same applies to the variable DEBUG, but DEBUG is deprecated and will be removed in a later version of adduser.) 161 162 Add a system user 163 If called with one non-option argument and the --system option, adduser will add a system user. If a user with the same name already exists in the system uid 164 range (or, if the uid is specified, if a user with that uid already exists), adduser will exit with a warning. This warning can be suppressed by adding 165 "--quiet". 166 167 adduser will choose the first available UID from the range specified for system users in the configuration file (FIRST_SYSTEM_UID and LAST_SYSTEM_UID). If 168 you want to have a specific UID, you can specify it using the --uid option. 169 170 By default, system users are placed in the nogroup group. To place the new system user in an already existing group, use the --gid or --ingroup options. To 171 place the new system user in a new group with the same ID, use the --group option. 172 173 A home directory is created by the same rules as for normal users. The new system user will have the shell /bin/false (unless overridden with the --shell 174 option), and have logins disabled. Skeletal configuration files are not copied. 175 176 root@coder:~# man sha256sum 177 SHA256SUM(1) User Commands SHA256SUM(1) 178 179 NAME 180 sha256sum - compute and check SHA256 message digest 181 182 SYNOPSIS 183 sha256sum [OPTION]... [FILE]... 184 185 DESCRIPTION 186 Print or check SHA256 (256-bit) checksums. 187 188 With no FILE, or when FILE is -, read standard input. 189 190 -b, --binary 191 read in binary mode 192 193 -c, --check 194 read SHA256 sums from the FILEs and check them 195 196 root@coder:~# exit 197 注销 198 199 Connection closed by foreign host. 200 201 [END] 2019/12/4 16:39:05