linux:admin
Differences
This shows you the differences between two versions of the page.
linux:admin [2017/01/12 02:12] – external edit 127.0.0.1 | linux:admin [2022/10/29 16:15] (current) – external edit 127.0.0.1 | ||
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{{: | {{: | ||
- | ===== install | + | ===== Fix Old CentOS Repos ===== |
- | ==== install | + | Maintainece update not supported from **2020/ |
+ | <code bash> | ||
+ | yum list | ||
+ | Failed to set locale, defaulting to C | ||
+ | Loaded plugins: fastestmirror | ||
+ | Determining fastest mirrors | ||
+ | YumRepo Error: All mirror URLs are not using ftp, http[s] or file. | ||
+ | Eg. Invalid release/ | ||
+ | removing mirrorlist with no valid mirrors: / | ||
+ | </ | ||
+ | |||
+ | Steps: | ||
+ | - Step1: **Update / | ||
+ | <code bash> | ||
+ | [base] | ||
+ | name=CentOS-$releasever - Base | ||
+ | # | ||
+ | baseurl=http:// | ||
+ | gpgcheck=1 | ||
+ | gpgkey=file:/// | ||
+ | #released updates
[updates]
name=CentOS-$releasever - Updates
# | ||
+ | #additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras
# | ||
+ | #additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever - Plus
# | ||
+ | #contrib - packages by Centos Users | ||
+ | [contrib] | ||
+ | name=CentOS-$releasever - Contrib | ||
+ | # | ||
+ | baseurl=http:// | ||
+ | gpgcheck=1 | ||
+ | enabled=0 | ||
+ | gpgkey=file:/// | ||
+ | </ | ||
+ | - Step2:< | ||
+ | yum clean all | ||
+ | </ | ||
+ | ===== Install | ||
+ | ==== Install | ||
mount /dev/cdrom /mnt/cdrom/ | mount /dev/cdrom /mnt/cdrom/ | ||
cd / | cd / | ||
Line 283: | Line 319: | ||
/ | / | ||
</ | </ | ||
- | ==== Check netword | + | ==== Check network |
<code bash> | <code bash> | ||
/ | / | ||
Line 318: | Line 354: | ||
</ | </ | ||
=== Dynamic route === | === Dynamic route === | ||
- | Redhat: update route in / | + | * Redhat: update route in / |
cat > / | cat > / | ||
- | |||
10.199.44.0/ | 10.199.44.0/ | ||
10.199.51.5/ | 10.199.51.5/ | ||
Line 332: | Line 367: | ||
echo ' | echo ' | ||
route add -host 10.30.15.16 gw 10.30.31.1 | route add -host 10.30.15.16 gw 10.30.31.1 | ||
+ | </ | ||
+ | / | ||
+ | </ | ||
+ | * Debian: Edit **/ | ||
+ | up route add -net 10.8.0.0 netmask 255.255.255.0 gw 192.168.1.11 | ||
+ | down route del -net 10.8.0.0 netmask 255.255.255.0 gw 192.168.1.11 | ||
+ | </ | ||
+ | / | ||
</ | </ | ||
==== DNS ==== | ==== DNS ==== | ||
Line 413: | Line 456: | ||
=== crontab configuration file base on linux user === | === crontab configuration file base on linux user === | ||
* cat / | * cat / | ||
- | */30 * * * * / | + | */30 * * * * / |
*/5 * * * * / | */5 * * * * / | ||
14 2 * * * / | 14 2 * * * / | ||
Line 450: | Line 493: | ||
ls / | ls / | ||
=> 214501_170809.txt | => 214501_170809.txt | ||
+ | </ | ||
+ | === Create contab to update date/time of system === | ||
+ | - Step1: Install ntpdate< | ||
+ | yum install ntpdate | ||
+ | </ | ||
+ | - Step2: Create contab content:< | ||
+ | */30 * * * * / | ||
</ | </ | ||
==== logrotate ==== | ==== logrotate ==== |
linux/admin.1484187179.txt.gz · Last modified: 2022/10/29 16:15 (external edit)