Секреты сисадмина | DevOps, Linux, SRE
Крупнейший справочник системного администратора. Сотрудничество: @max_excel РКН: vk.cc/cHhGTz
Show more📈 Analytical overview of Telegram channel Секреты сисадмина | DevOps, Linux, SRE
Channel Секреты сисадмина | DevOps, Linux, SRE (@sysadmin_library) in the Russian language segment is an active participant. Currently, the community unites 25 487 subscribers, ranking 5 330 in the Technologies & Applications category and 26 112 in the Russia region.
📊 Audience metrics and dynamics
Since its creation on невідомо, the project has demonstrated rapid growth, gathering an audience of 25 487 subscribers.
According to the latest data from 18 June, 2026, the channel demonstrates stable activity. Although there has been a change in the number of participants by -246 over the last 30 days and by -3 over the last 24 hours, overall reach remains high.
- Verification status: Not verified
- Engagement rate (ER): The average audience engagement rate is 11.63%. Within the first 24 hours after publication, content typically collects 6.21% reactions from the total number of subscribers.
- Post reach: On average, each post receives 2 966 views. Within the first day, a publication typically gains 1 583 views.
- Reactions and interaction: The audience actively supports content: the average number of reactions per post is 0.
- Thematic interests: Content is focused on key topics such as секретысисадмина, linux, grep, iodmin, file.txt.
📝 Description and content policy
The author describes the resource as a platform for expressing subjective opinions:
“Крупнейший справочник системного администратора.
Сотрудничество: @max_excel
РКН: vk.cc/cHhGTz”
Thanks to the high frequency of updates (latest data received on 19 June, 2026), the channel maintains relevance and a high level of publication reach. Analytics show that the audience actively interacts with content, making it an important point of influence in the Technologies & Applications category.
{
local username "никнейм"
#ftp account
local ftphost "имя сервера"
local ftpuser "логин"
local ftppassword "пароль"
local ftppath "/pub/mikrotik"
#create full system backup files
/system backup save name="$username.backup"
:delay 30s;
#create config export files
/export compact file="$username.rsc"
:delay 30s;
# upload the system backup
:log info message="Uploading system backup"
/tool fetch address="$ftphost" src-path="$username.backup" user="$ftpuser" mode=ftp password="$ftppassword" dst-path="$ftppath/$username.backup" upload=yes
:delay 30s;
# upload the config export
:log info message="Uploading config export"
/tool fetch address="$ftphost" src-path="$username.rsc" user="$ftpuser" mode=ftp password="$ftppassword" dst-path="$ftppath/$username.rsc" upload=yes
:delay 30s;
# find file name $username- then remove
:foreach i in=[/file find] do={ :if ([:typeof [:find [/file get $i name] "$username"]]!="nil") do={/file remove $i}; }
:log info message="Configuration backup finished.";
}
#СекретыСисадминаnetcat -z -v domain.com 1-1000
запустить netcat на хосте и слушать на tcp порте 4444:
netcat -l 4444
а на другой машине проверить подключение к netcat, запущенному на другом хосте:
netcat domain.com 4444
nc
nc -vt <ip> <port>
telnet
telnet <ip> <port>
nmap
порт 25 tcp: nmap -p25 11.11.11.11
Доступность udp-порта:
netcat
netcat -u host port
nc
nc -vu <ip> <port>
nmap
доступность порта udp 53: nmap -sU -p U:53 11.1.11.12
#СекретыСисадмина
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